arkei | df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731

General

Target

zxcv.exe
Size

100KB
MD5

c7a310982da68b10360854f9cd78e718
SHA1

60140c28e0b7db797a771c2dee081fa3812246db
SHA256

df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731
SHA512

6747fa3f7637922eeaa0feeb25d430dc6ab66fd9f3d22e7e5fd16bad9b75528a8174c34a8baf681950b64e8cdaa6a14e37633592e843c363e75468622ebd2ec3

Score

10^/10

arkei default stealer suricata

Malware Config

Extracted

Family

arkei

Botnet

Default

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata: ET MALWARE Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4
suricata

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\International\Geo\Nation	zxcv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 916	1936	zxcv.exe	28

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1936	zxcv.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1936	zxcv.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28
PID 1936 wrote to memory of 916	1936	zxcv.exe	28

C:\Users\Admin\AppData\Local\Temp\zxcv.exe
"C:\Users\Admin\AppData\Local\Temp\zxcv.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:916

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/916-64-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-58-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-71-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-67-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-59-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-66-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-70-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-61-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/916-63-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/1936-54-0x0000000000CE0000-0x0000000000CFE000-memory.dmp

Filesize
120KB

Download
memory/1936-55-0x0000000076721000-0x0000000076723000-memory.dmp

Filesize
8KB

Download
memory/1936-57-0x0000000004E00000-0x0000000004E48000-memory.dmp

Filesize
288KB

Download
memory/1936-56-0x00000000085E0000-0x0000000008744000-memory.dmp

Filesize
1.4MB

Download

Analysis

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