MALICIOUS — cfd7fdc9447d994abd14313bcd934d5a1bf9c1f8cef57a0e7887c9db48a26ee0
MALICIOUS — cfd7fdc9447d994abd14313bcd934d5a1bf9c1f8cef57a0e7887c9db48a26ee0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AsyncRAT family. 8 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
cfd7fdc9447d994abd14313bcd934d5a1bf9c1f8cef57a0e7887c9db48a26ee0 - SHA-1:
acdbc6c5db8040b0384f976cebb3036c63349424 - MD5:
89778fac276ad8fa141dd652660d8440 - imphash:
f34d5f2d4577ed6d9ceec516c1f5a744 - ssdeep:
3072:Kj5R5s6Fmrw8bw4gSnaxkWdDzXqIPu/i9bOO2cq6+WpDheMGnWBHY5msuh3UJQz:Umrw8E4gqanDbXPSi9bpMRQYu+JQ - TLSH:
T1E74626CED2091A01CCE47ED0E137836DB1B2DCC6E0A36B59CACB55BD5CD58B78825226 - Submitted as: cfd7fdc9447d994abd14313bcd934d5a1bf9c1f8cef57a0e7887c9db48a26ee0
- File type: pe · Size: 291840 bytes
- Verdict: malicious (100/100) · Family: AsyncRAT
Detections (8 of 56 engines)
- capa (capabilities): capability:credential-access
- ClamAV (daily): Win.Packed.AsyncRAT-9856570-1
- YARA: InQuest Labs: AgentTesla
- YARA: PhishingKit (t4d): PK_Credential_Exfil_Telegram
- YARA: MalwareAnalyser community pack: TL_Ransomware_Note_Markers
- Microsoft Defender: Backdoor:MSIL/AsyncRat!atmn
- Emsisoft (Emergency Kit): Gen:Variant.BigHead.20
- Kaspersky (KVRT): HEUR:Trojan-PSW.MSIL.Stealer.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 17 weighted signals:
- ClamAV (daily) flagged Win.Packed.AsyncRAT-9856570-1 (rule
Win.Packed.AsyncRAT-9856570-1) - engine signal, weight 0.90, confidence 0.95 - YARA: InQuest Labs flagged AgentTesla (rule
AgentTesla) - engine signal, weight 0.70, confidence 0.70 - YARA: PhishingKit (t4d) flagged PK_Credential_Exfil_Telegram (rule
PK_Credential_Exfil_Telegram) - engine signal, weight 0.70, confidence 0.70 - Microsoft Defender flagged Backdoor:MSIL/AsyncRat!atmn (rule
Backdoor:MSIL/AsyncRat!atmn) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.BigHead.20 (rule
Gen:Variant.BigHead.20) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan-PSW.MSIL.Stealer.gen (rule
HEUR:Trojan-PSW.MSIL.Stealer.gen) - 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_Ransomware_Note_Markers (rule
TL_Ransomware_Note_Markers) - engine signal, weight 0.50, confidence 0.70 - execute via PowerShell (rule
execute via PowerShell) - capa signal, weight 0.40, confidence 0.80 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Extracted WorldWind config (0 C2) - engine signal, weight 0.45, confidence 0.60
- capa (capabilities) flagged capability:credential-access (rule
capability:credential-access) - engine signal, weight 0.35, confidence 0.70 - query domain / anti-analysis (rule
query domain / anti-analysis) - capa signal, weight 0.35, confidence 0.60 - Embedded network infrastructure: https://api.telegram.org/bot - static signal, weight 0.35, confidence 0.60
- encrypt data (rule
encrypt data) - capa signal, weight 0.15, confidence 0.60 - Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in SppExtComObj.E (pid 6076) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1750 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
- login.live.com
- desktop-hsgcbep
- settings-win.data.microsoft.com
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
- v10.events.data.microsoft.com
- watson.events.data.microsoft.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- f6a94457a9ee2486b8dfed56f149ea6408d7ecbdd650eb5b6ae03234ccbd4135 -
f6a94457a9ee2486b8dfed56f149ea6408d7ecbdd650eb5b6ae03234ccbd4135
Embedded URLs
- https://api.telegram.org/bot
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- github.com
- api.telegram.org
Embedded IP addresses
- 20.184.175.1
- 20.42.179.204
- 4.144.132.223
- 4.230.171.124
- 4.150.223.113
- 135.234.160.246
- 52.110.12.33
- 52.110.12.18
File paths
- C:\Users\Eric\Desktop\Site
More AsyncRAT samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report