MALICIOUS — 03e71051b0d3f1ad377b6ac35b6feb594ddcc81530a83267e7886250b647aa8d

MALICIOUS — 03e71051b0d3f1ad377b6ac35b6feb594ddcc81530a83267e7886250b647aa8d 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: 03e71051b0d3f1ad377b6ac35b6feb594ddcc81530a83267e7886250b647aa8d
SHA-1: ba5a12dac46acbab0eefdd492f5243c425f79ec9
MD5: b096f309ec9ea519e8d01ecba1367ae5
imphash: 0c75723fedd9c27bef321a9d944591c8
ssdeep: 384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJwXyKRmuk:GqDSbP0w+mFko/B8I7JUSiVfVyLA+KzH
TLSH: T18E2AC06842A159BAE7BF823E2059671F4C91F12D3E13C9586D346B4A14EDBF394C3C22
Submitted as: 03e71051b0d3f1ad377b6ac35b6feb594ddcc81530a83267e7886250b647aa8d
File type: pe · Size: 20572 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!B096F309EC9E
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!B096F309EC9E (rule Agent-FQY!B096F309EC9E) - 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 17 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)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\gGe1pl.exe - 4d5426a75964bc9559844b5e50de6614230f03ad3c048ec9e8dc8d542a413cc1
49c2cbe93aaeae7d196223c1c9710faa368c838776340d75b549e219dcab0959 - 49c2cbe93aaeae7d196223c1c9710faa368c838776340d75b549e219dcab0959

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

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

Embedded IP addresses

20.184.175.19
57.155.104.224
4.230.171.124
85.210.193.152
74.179.77.204
74.178.240.51
40.79.150.121
104.18.33.89
4.144.132.223
52.110.12.38
52.110.12.28
125.56.205.42
125.56.205.32
72.145.35.109
52.148.114.188
52.110.12.24
52.110.12.2

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report