arkei | df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731

Analysis

max time kernel
171s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12/05/2022, 16:25

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General

Target

ghjkl.exe
Size

100KB
MD5

c7a310982da68b10360854f9cd78e718
SHA1

60140c28e0b7db797a771c2dee081fa3812246db
SHA256

df4876573295b4e7beb618db31a015ea617f61b811978bb168d432c4052f7731
SHA512

6747fa3f7637922eeaa0feeb25d430dc6ab66fd9f3d22e7e5fd16bad9b75528a8174c34a8baf681950b64e8cdaa6a14e37633592e843c363e75468622ebd2ec3

Score

10^/10

arkei default stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei

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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	ghjkl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 2336	2552	ghjkl.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	ghjkl.exe
2552	ghjkl.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	ghjkl.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84
PID 2552 wrote to memory of 2336	2552	ghjkl.exe	84

C:\Users\Admin\AppData\Local\Temp\ghjkl.exe
"C:\Users\Admin\AppData\Local\Temp\ghjkl.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:2336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-135-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2336-137-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2336-138-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2552-130-0x0000000000550000-0x000000000056E000-memory.dmp

Filesize
120KB

Download
memory/2552-131-0x00000000053E0000-0x0000000005984000-memory.dmp

Filesize
5.6MB

Download
memory/2552-132-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/2552-133-0x00000000050B0000-0x00000000050BA000-memory.dmp

Filesize
40KB

Download