MALICIOUS — 9a402a11bc61c50ed1a4e066b63b091754c7351e88c873364d8fe2169835d28e

MALICIOUS — 9a402a11bc61c50ed1a4e066b63b091754c7351e88c873364d8fe2169835d28e is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Urelas family. 7 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: 9a402a11bc61c50ed1a4e066b63b091754c7351e88c873364d8fe2169835d28e
SHA-1: 9f750e7f83a5d2eec48ad6d88d512b4fc896fe51
MD5: 849ad2c3ba2abd74f13c66e2a277d11b
imphash: b2ebca593338c42ad46c5b3601170d88
ssdeep: 12288:YOlx4kk9HKda4YfM/1T3PPSnPI2VAWNDTJHq9DIMTW8c1C:YA4Ya1fQzPPSnPFqWtTJK9DIMTW8j
TLSH: T18450E05EC3A6778AEAF787605D906F1E20E258DCC1BE0C4C4B87C11D67A29CBE495027
Submitted as: 9a402a11bc61c50ed1a4e066b63b091754c7351e88c873364d8fe2169835d28e
File type: pe · Size: 802389 bytes
Verdict: malicious (100/100) · Family: Urelas

Detections (7 of 56 engines)

capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:IOKGDTTY
ClamAV (daily): Win.Packed.Mikey-9645700-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Trojan:Win32/Urelas.AA
Trellix Stinger (McAfee): Corrupt-FY!849AD2C3BA2A
Kaspersky (KVRT): Backdoor.Win32.Plite.bhtj

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 17 weighted signals:

ClamAV (daily) flagged Win.Packed.Mikey-9645700-0 (rule Win.Packed.Mikey-9645700-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Urelas.AA (rule Trojan:Win32/Urelas.AA) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Corrupt-FY!849AD2C3BA2A (rule Corrupt-FY!849AD2C3BA2A) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Backdoor.Win32.Plite.bhtj (rule Backdoor.Win32.Plite.bhtj) - 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
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 5 external host(s) and 6 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:IOKGDTTY (rule high-entropy-sections:IOKGDTTY) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: 1.234.83.146, 133.242.129.155, 218.54.31.226 - static signal, weight 0.35, confidence 0.60
Packing/obfuscation: high-entropy-sections:IOKGDTTY - 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
Extracted generic config (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
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)

14004 behavior events · 2 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\golfinfo.ini - b6eb67aed43e5cef2c70d8509cfac3fcf422d2949129a78fee41a80da74f2470
C:\Users\analyst\AppData\Local\Temp\noabh.exe - 4c8686bc0593dd568c428ee1dde7b70a32f77e51140f422dd96ff4106ec113d3

Embedded URLs

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

Embedded IP addresses

1.234.83.146
133.242.129.155
218.54.31.226
218.54.31.165
20.184.175.1
4.230.171.124
40.84.97.4
57.154.63.210
74.178.76.54
20.89.1.11
135.233.95.144
52.230.59.222
52.110.12.19
52.110.12.49
20.42.65.91
52.168.117.174
135.233.45.223
72.145.35.102
52.148.114.188
52.110.12.8

File paths

f:\dd\vctools\vc7libs\ship\atlmfc\src\mfc\auxdata.cpp
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin2.inl
f:\dd\vctools\vc7libs\ship\atlmfc\include\afxwin1.inl

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report