MALICIOUS — 1c0c6ce0e5c402a072b50fe2d16af7b62d42a344e5a2a0028f421a3c8d671a0c
MALICIOUS — 1c0c6ce0e5c402a072b50fe2d16af7b62d42a344e5a2a0028f421a3c8d671a0c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the FlyAgent family. 11 of 52 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
1c0c6ce0e5c402a072b50fe2d16af7b62d42a344e5a2a0028f421a3c8d671a0c - SHA-1:
1ef33d4a87a214e4d20d5dc791ae0e241c527fde - MD5:
471cb5ea1e8545640ac161f142ffce0f - imphash:
7700dc8e87e8a6c0c69971842b4b7691 - ssdeep:
24576:zkEq6Xru36vHi3ubATxjr/AL9d81HuDL/Y7LmtYpD6BaVo2aE:lm3oy/68Vun/5sXo2aE - TLSH:
T1A454AEDB3B0BA847DD343A960D11567DC032BBB346BA1DE5B6A6E32463D28034D33991 - Submitted as: 1c0c6ce0e5c402a072b50fe2d16af7b62d42a344e5a2a0028f421a3c8d671a0c
- File type: pe · Size: 1180224 bytes
- Verdict: malicious (98/100) · Family: FlyAgent
Detections (11 of 52 engines)
- capa (capabilities): capability:collection/keylog
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- ClamAV (daily): Win.Malware.FlyAgent-9850229-1
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Stratosphere IPS: STRATO_Malicious_UserAgent
- YARA: MalwareAnalyser community pack: TL_Windows_Persistence_RunKey
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): GenPack:Generic.Dacic.4803.19E0780E
- Trellix Stinger (McAfee): Flyagent.d
- Kaspersky (KVRT): UDS:Trojan.Win32.Agent
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Malware.FlyAgent-9850229-1 (rule
Win.Malware.FlyAgent-9850229-1) - engine signal, weight 0.90, confidence 0.95 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule
DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - YARA: Stratosphere IPS flagged STRATO_Malicious_UserAgent (rule
STRATO_Malicious_UserAgent) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Windows_Persistence_RunKey (rule
TL_Windows_Persistence_RunKey) - engine signal, weight 0.35, confidence 0.70 - persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - Embedded network infrastructure: http://sf.symcb.com/sf.crl0a, https://d.symcb.com/rpa0, http://sf.symcb.com/sf.crt0 - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
- enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dynamic analysis
No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.
Embedded URLs
- http://crl.thawte.com/ThawteTimestampingCA.crl0
- http://ts-aia.ws.symantec.com/tss-ca-g2.cer0
- http://ts-crl.ws.symantec.com/tss-ca-g2.crl0
- https://www.verisign.com/rpa
- http://sf.symcb.com/sf.crl0a
- https://d.symcb.com/rpa0
- http://sf.symcb.com/sf.crt0
- https://www.verisign.com/cps0*
- https://www.verisign.com/rpa0
- http://logo.verisign.com/vslogo.gif04
- http://crl.verisign.com/pca3-g5.crl04
- http://sv.symcb.com/sv.crl0a
- http://sv.symcb.com/sv.crt0
- http://www.symauth.com/cps0
- http://www.symauth.com/rpa00
- http://s1.symcb.com/pca3-g5.crl0
- http://www.eyuyan.com
Embedded domains
- proc.name
- crl.thawte.com
- ts-aia.ws.symantec.com
- ts-crl.ws.symantec.com
- www.verisign.com
- sf.symcb.com
- d.symcb.com
- logo.verisign.com
- crl.verisign.com
- sv.symcb.com
- www.symauth.com
- s1.symcb.com
- www.eyuyan.com
Registry keys
- HKLM\SYSTEM\CurrentControlSet\Control\Terminal
File paths
- C:\ProgramData\Microsoft\Windows\Start
- C:\Documents
- c:\windows\system32\termsrv.dll
- C:\WINDOWS\system32\termsrv.dll
- C:\WINDOWS\system32\Termsrvs.dll
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report