MALICIOUS — 6bbcba7c45ed953f0937b739281638c1199034da36dfb31fb3280e6de3571e4b
MALICIOUS — 6bbcba7c45ed953f0937b739281638c1199034da36dfb31fb3280e6de3571e4b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Stelega family. 9 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
6bbcba7c45ed953f0937b739281638c1199034da36dfb31fb3280e6de3571e4b - SHA-1:
90024e2c113508d36a4b130053437950ea9517c5 - MD5:
fdb56ad1a708f513640f8c3eb9633784 - imphash:
72ebfeeddd2986ac9449b91657dc8c07 - ssdeep:
49152:xnyMA9uZ7+XD6EHWwsnMmUEc44UGv7D8jjSYRexSRABz8:kmUW8P8vywRs - TLSH:
T18E616C8640563497C4F5AE40F460EDEDB443F885A63882CD934BE50DE37A2B7B9F04A9 - Submitted as: 6bbcba7c45ed953f0937b739281638c1199034da36dfb31fb3280e6de3571e4b
- File type: pe · Size: 3817472 bytes
- Verdict: malicious (100/100) · Family: Stelega
Detections (9 of 56 engines)
- YARA: MalwareAnalyser built-in: Suspicious_PowerShell_Download_Exec
- capa (capabilities): capability:credential-access
- ClamAV (daily): Win.Malware.Mikey-9916794-0
- YARA: Stratosphere IPS: STRATO_Malicious_UserAgent
- YARA: MalwareAnalyser community pack: TL_Suspicious_PowerShell_Download
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Trojan:Win32/Tiggre!rfn
- Emsisoft (Emergency Kit): Trojan.Generic.37961865
- Kaspersky (KVRT): Trojan-PSW.Win32.Stelega.eds
MITRE ATT&CK
YARA
- Suspicious_PowerShell_Download_Exec
Why this verdict
The malicious score of 100/100 is the fusion of 16 weighted signals:
- ClamAV (daily) flagged Win.Malware.Mikey-9916794-0 (rule
Win.Malware.Mikey-9916794-0) - engine signal, weight 0.90, confidence 0.95 - Encoded/hidden PowerShell download-and-exec (rule
Suspicious_PowerShell_Download_Exec) - yara signal, weight 0.70, confidence 0.90 - 1 behavioral detection(s) across 1 rule(s): Credential Access: browser credential store read [high] (rule
tl-browser-credential-access) - dynamic signal, weight 0.60, confidence 0.90 - Microsoft Defender flagged Trojan:Win32/Tiggre!rfn (rule
Trojan:Win32/Tiggre!rfn) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.Generic.37961865 (rule
Trojan.Generic.37961865) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Trojan-PSW.Win32.Stelega.eds (rule
Trojan-PSW.Win32.Stelega.eds) - engine signal, weight 0.55, confidence 0.85 - access stored credentials (rule
access stored credentials) - capa signal, weight 0.50, confidence 0.80 - YARA: MalwareAnalyser community pack flagged TL_Suspicious_PowerShell_Download (rule
TL_Suspicious_PowerShell_Download) - engine signal, weight 0.50, confidence 0.70 - Contacted 3 external host(s) and 4 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- YARA: Stratosphere IPS flagged STRATO_Malicious_UserAgent (rule
STRATO_Malicious_UserAgent) - engine signal, weight 0.45, confidence 0.70 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser built-in flagged Suspicious_PowerShell_Download_Exec (rule
Suspicious_PowerShell_Download_Exec) - engine signal, weight 0.35, confidence 0.70 - capa (capabilities) flagged capability:credential-access (rule
capability:credential-access) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://business.facebook.com/business_locationsMozilla/5.0, https://graph.facebook.com/v9.0/me/businesses?fields=is_disabled_for_integrity_reasons, https://graph.facebook.com/v10.0//business_users/?access_token=&role=ADMIN&email=markjjh_support@gmail.com&method=post/pending_users?access_token= - static signal, weight 0.35, confidence 0.60
- Extracted generic config (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
99 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- update.googleapis.com
- edgedl.me.gvt1.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- assets.msn.com
- fe3cr.delivery.mp.microsoft.com
- settings-win.data.microsoft.com
- v10.events.data.microsoft.com
- slscr.update.microsoft.com
Dropped files
- C:\Users\analyst\check.txt -
2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df
Embedded URLs
- https://business.facebook.com/business_locationsMozilla/5.0
- https://graph.facebook.com/v9.0/me/businesses?fields=is_disabled_for_integrity_reasons
- https://graph.facebook.com/v10.0//business_users/?access_token=&role=ADMIN&email=markjjh_support@gmail.com&method=post/pending_users?access_token=
- https://graph.facebook.com/v10.0/me/personal_ad_accounts?fields=adtrust_dsl
- https://graph.facebook.com/v9.0/me/facebook_pages?fields=id
- https://graph.facebook.com/v10.0/me?fields=id
- https://api.adtrusk.com/cookie/?file=
- https://mail.google.com/mail/u/0/h/1bv8kc9tad0za/?v=luiUser-Agentmax-age=0sec-ch-ua-mobile?0en-US
- https://github.com/lunaryorn/gethostname.rs/issues
- https://squidpcgame.com/inj.dll
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- github.com
- business.facebook.com
- graph.facebook.com
- gmail.com
- api.adtrusk.com
- mail.google.com
- squidpcgame.com
Embedded IP addresses
- 113.02.02.13
- 03.13.24.04
- 15.05.15.26
- 06.16.26.37
- 4.144.132.114
- 20.184.175.21
- 52.123.252.223
- 4.230.171.124
- 74.178.240.51
- 40.84.97.4
- 20.165.94.63
- 4.150.223.112
- 52.110.12.48
- 135.233.45.222
- 48.200.63.27
- 52.110.12.2
- 34.104.35.123
- 52.110.12.32
- 52.110.12.53
File paths
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\hyper-0.14.14\src\body\to_bytes.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aes-0.7.5\src\soft\fixslice64.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\classes.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\packed\teddy\runtime.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\prefilter.rsRareBytesTwooffsetsbyte2
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\packed\teddy\compile.rsassertion
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\ahocorasick.rsRabinKarpbuckets
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\packed\rabinkarp.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\aho-corasick-0.7.18\src\packed\pattern.rsRabin-Karp
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\gb18030.rs
- R:\Sg
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\euc_jp.rsChecked
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\iso_2022_jp.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\data.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\utf_8.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\encoding_rs-0.8.29\src\handles.rs+
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\futures-core-0.3.17\src\task\__internal\atomic_waker.rs
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\gethostname-0.2.1\src\lib.rsGetComputerNameExW
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:393h2::proto::streams::recv
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:706
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:795
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:867
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:957assertion
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:134
- C:\Users\Admin\.cargo\registry\src\github.com-1ecc6299db9ec823\h2-0.3.7\src\proto\streams\recv.rs:199could
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