MALICIOUS — afd304ed1c0826a280ee9c5b60d1c7b82eaae8ee8581fdb231f87e81457e519f

MALICIOUS — afd304ed1c0826a280ee9c5b60d1c7b82eaae8ee8581fdb231f87e81457e519f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Delf family. 7 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: afd304ed1c0826a280ee9c5b60d1c7b82eaae8ee8581fdb231f87e81457e519f
• SHA-1: 2116cb02d568bf2e81e998870750fdfe516d543f
• MD5: fb8ea2f19b4c23a6d79457c14c3d8c56
• imphash: 31d1c48ee7d8e07a5706e963146db875
• ssdeep: 6144:StfDEsjPhczU+AGVNaPtpNZxI4sTBCFyn/7IwBqPimd5:SbqaFjdsTcFyn/7Iwov5
• TLSH: T19E456B3657231692E9FBF2451C5099AE8433B1BD20BD440E6247D86EB7D8C3395F23A8
• Submitted as: afd304ed1c0826a280ee9c5b60d1c7b82eaae8ee8581fdb231f87e81457e519f
• File type: pe · Size: 281256 bytes
• Verdict: malicious (98/100) · Family: Delf

Detections (7 of 52 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Trojan.Delf-1564
• YARA: JPCERT/CC: JPCERT_Emotet
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Microsoft Defender: Virus:Win32/Viking.JX
• Emsisoft (Emergency Kit): Dropped:Generic.Malware.PWB!dld!Pk!.69063F94
• Kaspersky (KVRT): Virus.Win32.Delf.62976

MITRE ATT&CK

• T1071.001
• T1057
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 98/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Delf-1564 (rule Win.Trojan.Delf-1564) - engine signal, weight 0.90, confidence 0.95
• Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
• YARA: JPCERT/CC flagged JPCERT_Emotet (rule JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://www.lookde5.com/1.exe - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• 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://www.lookde5.com/1.exe
• https://www.digicert.com/CPS0
• http://crl3.digicert.com/sha2-assured-cs-g1.crl05
• http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
• http://crl3.digicert.com/sha2-assured-ts.crl02
• http://crl4.digicert.com/sha2-assured-ts.crl0

Embedded domains

• www.lookde5.com
• cacerts.digicert.com
• crl4.digicert.com
• crl3.digicert.com
• www.digicert.com

Embedded IP addresses

• 192.168.0.30
• 192.168.8.1

File paths

• c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u281\880\build\windows-amd64\jdk\objs\unpackexe\unpack200.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report