MALICIOUS — ffdffbe73cf8898f5f2b751da1219f74b8fed3bcf21071bc01d9f571ca086b2f
MALICIOUS — ffdffbe73cf8898f5f2b751da1219f74b8fed3bcf21071bc01d9f571ca086b2f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Upantix family. 5 of 25 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
ffdffbe73cf8898f5f2b751da1219f74b8fed3bcf21071bc01d9f571ca086b2f - SHA-1:
091aafce17a8f728e71551ba2131c6ff8581178c - MD5:
f7eedd6ee4e646f0a458d21360cb2aa0 - imphash:
24b60c57cc33f3e633431b7ad497fda7 - ssdeep:
6144:5dkkkkkku21Fdkkkkkku21W14OdkkkkkkoQcGpdkkkkkku21Fgmy65dZTuO0:5w23w2Q14O2QTw23gC5dZL0 - TLSH:
T1834CE100327A358CCB34AF605514999DA26592C5897D3EDA4B03071C3DB78BBB9E8FB1 - Submitted as: ffdffbe73cf8898f5f2b751da1219f74b8fed3bcf21071bc01d9f571ca086b2f
- File type: pe · Size: 537917 bytes
- Verdict: malicious (98/100) · Family: Upantix
Detections (5 of 25 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:UPX 3.91
- Microsoft Defender: Trojan:Win32/Upantix.GM!MTB
- Kaspersky (KVRT): HEUR:Packed.Win32.Upantix.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 9 weighted signals:
- Dropped a malicious payload (Upantix): 4c856a4034031ac3e1cd185a61c159b9b94564779cf3bc549a765fef446af369 - dynamic signal, weight 0.80, confidence 0.90
- Microsoft Defender flagged Trojan:Win32/Upantix.GM!MTB (rule
Trojan:Win32/Upantix.GM!MTB) - engine signal, weight 0.55, confidence 0.85 - 1 behavioral detection(s): C2: connection to non-standard port [medium] (rule
tl-c2-rare-port) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 55 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:UPX 3.91 (rule
DIE:UPX 3.91) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, UPX 3.91 - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
421 behavior events · 1 ATT&CK techniques · 6 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- us.undernet.org
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/25391/files/4c856a4034031ac3e1cd185a61c159b9b94564779cf3bc549a765fef446af369 -
4c856a4034031ac3e1cd185a61c159b9b94564779cf3bc549a765fef446af369 - /opt/CAPEv2/storage/analyses/25391/files/c03a33927a19827dc064d0664ab79215ff657dbe4a1bee8a3f1df5dc3a60bf86 -
c03a33927a19827dc064d0664ab79215ff657dbe4a1bee8a3f1df5dc3a60bf86 - /opt/CAPEv2/storage/analyses/25391/files/2e2f5b178588c639a08bd988b9cc5a1f7046eefea2922f39eb758cc11d0a1abc -
2e2f5b178588c639a08bd988b9cc5a1f7046eefea2922f39eb758cc11d0a1abc - /opt/CAPEv2/storage/analyses/25391/files/84ab8347d288d458b63428f2573c0ddf430d9ad3a61d4060442635234f0af202 -
84ab8347d288d458b63428f2573c0ddf430d9ad3a61d4060442635234f0af202 - /opt/CAPEv2/storage/analyses/25391/files/965ff80fca9fff2bd00461d44bf124117d2fca78df691bc0f985bfce0e9a8444 -
965ff80fca9fff2bd00461d44bf124117d2fca78df691bc0f985bfce0e9a8444 - /opt/CAPEv2/storage/analyses/25391/files/d251513a0ad3b496e6fb43260c41bf851d8f9f101f5b5ee18c515c1f53cdde4b -
d251513a0ad3b496e6fb43260c41bf851d8f9f101f5b5ee18c515c1f53cdde4b
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- us.undernet.org
Embedded IP addresses
- 4.150.223.112
- 52.123.252.222
- 4.230.171.124
- 20.42.179.204
- 20.247.185.124
- 74.178.76.128
- 20.184.175.0
- 20.76.201.171
- 172.178.240.162
- 135.233.95.135
- 52.168.117.175
- 203.26.79.13
- 199.71.214.87
- 92.223.78.30
- 20.165.94.63
- 162.159.36.2
- 135.233.45.222
- 4.150.223.101
- 52.148.114.188
- 52.123.252.216
- 20.165.94.46
- 74.179.77.204
- 52.123.252.232
- 20.236.44.162
- 52.123.128.14
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report