MALICIOUS — 3b595bfeb892db4667270fa04d36a844def9e1ee3e58979a8c3e0982b186e342

MALICIOUS — 3b595bfeb892db4667270fa04d36a844def9e1ee3e58979a8c3e0982b186e342 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Amhfbekgo8p family. 7 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 3b595bfeb892db4667270fa04d36a844def9e1ee3e58979a8c3e0982b186e342
SHA-1: 5eeb779ff24c9d26b732ced78eb1b2e2f4a8d9dc
MD5: 1ddef11c48d4f5b585072122a2ec7f77
imphash: 0c75723fedd9c27bef321a9d944591c8
ssdeep: 384:YQ9h5rTaMlUktE1uE8eBpqgNFHfuoeyPhCiP/QK5tJw5wFryy:Lh5ahkC1xOOBfrCiHf1zyy
TLSH: T11127C08098B2BCB4CABD117CB00D1A6CB4A255611E364B2470B1AA962ECC53702A9F5F
Submitted as: 3b595bfeb892db4667270fa04d36a844def9e1ee3e58979a8c3e0982b186e342
File type: pe · Size: 15632 bytes
Verdict: malicious (100/100) · Family: Amhfbekgo8p

Detections (7 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Malware.Amhfbekgo8p-9908263-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: flagged
Emsisoft (Emergency Kit): Gen:Trojan.Heur.D.amHfbeKgo8p
Kaspersky (KVRT): HEUR:Trojan.Win32.Convagent.gen

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 14 weighted signals:

ClamAV (daily) flagged Win.Malware.Amhfbekgo8p-9908263-0 (rule Win.Malware.Amhfbekgo8p-9908263-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged flagged (rule flagged) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.D.amHfbeKgo8p (rule Gen:Trojan.Heur.D.amHfbeKgo8p) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Convagent.gen (rule HEUR:Trojan.Win32.Convagent.gen) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 2 external host(s) and 18 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - 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, Microsoft Linker - static signal, weight 0.25, confidence 0.55
Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

253 behavior events · 2 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\5GQ2llAObUuvfK.exe - a5b2e4011530d8c86ad1b04a2e0ab68dbfd1d9812e75722d7d7390c4bcfb29a3
130a891983444a7df375b8d5bd9622d1f266597abf786ce1daab6b066f4f4689 - 130a891983444a7df375b8d5bd9622d1f266597abf786ce1daab6b066f4f4689

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

fileapi.besthotel360.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

20.184.175.20
4.247.188.233
4.144.132.223
4.230.171.124
20.42.179.192
135.233.95.144
74.179.77.164
20.50.201.206
104.18.33.89
52.110.12.33
52.110.12.24
72.145.35.107
52.148.114.188
52.110.12.40
52.110.12.21

More Amhfbekgo8p samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report