arkei | fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f

General

Target

fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
Size

692KB
MD5

837547af8d2a1f60f8bbe09066f0ffa2
SHA1

727421a8ea79d0c0562870c33d055224c7c9a4bc
SHA256

fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f
SHA512

579fe72723076eb6605660258caf1b8b2a2cf4f05c50f15c0a6a1d8226c13eb847ade0230e5bb1ba21c820e6b2ae0662b33725e65f7b43e0fb2f98c4e41d6961

Score

10^/10

arkei redline 04062022 default infostealer stealer

Malware Config

Extracted

Family

arkei

Botnet

Default

C2

http://62.204.41.69/p8jG9WvgbE.php

Extracted

Family

redline

Botnet

04062022

C2

62.204.41.166:27688

Attributes

auth_value
48182fe753fa2aff7472da064aa2a5d9

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4400-141-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral2/memory/4400-142-0x0000000000400000-0x0000000000424000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
4928	dcaqbmme.exe

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	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3792 set thread context of 4892	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	81
PID 4928 set thread context of 4400	4928	dcaqbmme.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
4928	dcaqbmme.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
4928	dcaqbmme.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 4928	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	80
PID 3792 wrote to memory of 4928	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	80
PID 3792 wrote to memory of 4928	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	80
PID 3792 wrote to memory of 4892	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	81
PID 3792 wrote to memory of 4892	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	81
PID 3792 wrote to memory of 4892	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	81
PID 3792 wrote to memory of 4892	3792	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	81
PID 4928 wrote to memory of 4400	4928	dcaqbmme.exe	82
PID 4928 wrote to memory of 4400	4928	dcaqbmme.exe	82
PID 4928 wrote to memory of 4400	4928	dcaqbmme.exe	82
PID 4928 wrote to memory of 4400	4928	dcaqbmme.exe	82

C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
"C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3792
- C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
  "C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:4400
- C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
  "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
  2⤵
  PID:4892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe

Filesize
324KB

MD5
2652215d4d7a57fc45691bb1d53fb6ce

SHA1
15838b55aa4b2dc05ca09b2b958056fcb17776bd

SHA256
326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6

SHA512
f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59

Download Submit
C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe

Filesize
324KB

MD5
2652215d4d7a57fc45691bb1d53fb6ce

SHA1
15838b55aa4b2dc05ca09b2b958056fcb17776bd

SHA256
326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6

SHA512
f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59

Download Submit
memory/3792-138-0x0000000002400000-0x0000000002407000-memory.dmp

Filesize
28KB

Download
memory/4400-144-0x00000000050C0000-0x00000000050D2000-memory.dmp

Filesize
72KB

Download
memory/4400-146-0x0000000005160000-0x000000000519C000-memory.dmp

Filesize
240KB

Download
memory/4400-145-0x00000000051F0000-0x00000000052FA000-memory.dmp

Filesize
1.0MB

Download
memory/4400-141-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4400-142-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4400-143-0x0000000005620000-0x0000000005C38000-memory.dmp

Filesize
6.1MB

Download
memory/4892-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads