MALICIOUS — 5c16b99704eea89649ec7704fd939a6cd906573a0ffe8c5d403cc13b5d00f3d5

MALICIOUS — 5c16b99704eea89649ec7704fd939a6cd906573a0ffe8c5d403cc13b5d00f3d5 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Amhfbyrbndc family. 8 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 5c16b99704eea89649ec7704fd939a6cd906573a0ffe8c5d403cc13b5d00f3d5
SHA-1: e19f3e2f1f084e37d73150a884fadfe707980def
MD5: 8f851ca1117afea2838c48a29a2dfddc
imphash: 0c75723fedd9c27bef321a9d944591c8
ssdeep: 384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJw/jjr:GqDSbP0w+mFko/B8I7JUSiVfVyLA+KY
TLSH: T1A22ABF6C11D144BDDBBF802E24096B4E5CD6E12DBA22CE846D286B5B1DDC6F378D2C12
Submitted as: 5c16b99704eea89649ec7704fd939a6cd906573a0ffe8c5d403cc13b5d00f3d5
File type: pe · Size: 21637 bytes
Verdict: malicious (100/100) · Family: Amhfbyrbndc

Detections (8 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Malware.Amhfbyrbndc-9891058-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: Trojan:Win32/Androm!pz
Emsisoft (Emergency Kit): Gen:Trojan.Heur.D.bmHfbyRbNDc
Trellix Stinger (McAfee): Agent-FQY!8F851CA1117A
Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.gen

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 16 weighted signals:

ClamAV (daily) flagged Win.Malware.Amhfbyrbndc-9891058-0 (rule Win.Malware.Amhfbyrbndc-9891058-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Androm!pz (rule Trojan:Win32/Androm!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.D.bmHfbyRbNDc (rule Gen:Trojan.Heur.D.bmHfbyRbNDc) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Agent-FQY!8F851CA1117A (rule Agent-FQY!8F851CA1117A) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Agent.gen (rule HEUR:Trojan.Win32.Agent.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 4 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
Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\YcuYhPl.exe - bb84a6a263ef8b8340fb34db1d200a96ba1c2bf60c460a8a0e6aee365ea67557
29933f38b51501416a2b9b8cba04702eb765e31c52c145177fab0ea5f2d116df - 29933f38b51501416a2b9b8cba04702eb765e31c52c145177fab0ea5f2d116df

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

test.besthotel360.com

Embedded IP addresses

4.207.44.66
52.253.84.76
4.230.171.124
20.165.94.54
57.155.101.212
20.184.175.7
135.233.95.144
20.42.65.84
52.110.12.47
52.110.12.53
172.178.240.162
52.110.12.33
52.110.12.26

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report