arkei | fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
11/05/2022, 19:51

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General

Target
fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
Size 692KB
Sample220511-yk84cscchk
SHA256 fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f
MD5 837547af8d2a1f60f8bbe09066f0ffa2
SHA1 727421a8ea79d0c0562870c33d055224c7c9a4bc
SHA512 579fe72723076eb6605660258caf1b8b2a2cf4f05c50f15c0a6a1d8226c13eb847ade0230e5bb1ba21c820e6b2ae0662b33725e65f7b43e0fb2f98c4e41d6961
MD5 SHA1 SHA512

Score

10^/10

arkei redline 04062022 default infostealer stealer

Malware Config

Extracted

Family

redline

Botnet

04062022

62.204.41.166:27688

Attributes

auth_value
48182fe753fa2aff7472da064aa2a5d9

Extracted

Family

arkei

Botnet

Default

http://62.204.41.69/p8jG9WvgbE.php

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/4544-140-0x0000000000400000-0x0000000000424000-memory.dmp	family_redline
behavioral2/memory/4544-142-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
4904	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-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 4544	4904	dcaqbmme.exe	82
PID 4668 set thread context of 4636	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	83

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
4904	dcaqbmme.exe
4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
4904	dcaqbmme.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 4904	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	78
PID 4668 wrote to memory of 4904	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	78
PID 4668 wrote to memory of 4904	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	78
PID 4904 wrote to memory of 4544	4904	dcaqbmme.exe	82
PID 4904 wrote to memory of 4544	4904	dcaqbmme.exe	82
PID 4904 wrote to memory of 4544	4904	dcaqbmme.exe	82
PID 4904 wrote to memory of 4544	4904	dcaqbmme.exe	82
PID 4668 wrote to memory of 4636	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	83
PID 4668 wrote to memory of 4636	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	83
PID 4668 wrote to memory of 4636	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	83
PID 4668 wrote to memory of 4636	4668	fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe	83

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:4668
- 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:4904
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
    3⤵
    PID:4544
- C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe
  "C:\Users\Admin\AppData\Local\Temp\fb368927d9051a0ed52610ad43849d1b0cdf2acee3bb1bf88c63e3fce54a4f0f.exe"
  2⤵
  PID:4636

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

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Downloads

dcaqbmme.exe

Path C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
Size 324KB
SHA256 326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6
MD5 2652215d4d7a57fc45691bb1d53fb6ce
SHA1 15838b55aa4b2dc05ca09b2b958056fcb17776bd
SHA512 f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59
SSDEEP 6144:Vk0sdrHKMq6qCZHSLl6gw1s16Rl3Xz2UOFtiQqj6QyFpMkdLpdE:S0sFGm45w1s16RlXz2UOFoJjjy3MkxE
MD5 SHA1 SHA512 SSDEEP

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dcaqbmme.exe

Path C:\Users\Admin\AppData\Local\Temp\dcaqbmme.exe
Size 324KB
SHA256 326923ce18fd7a9c8210697d8ffab62481db036588c12f05a21798fcf67bd9a6
MD5 2652215d4d7a57fc45691bb1d53fb6ce
SHA1 15838b55aa4b2dc05ca09b2b958056fcb17776bd
SHA512 f4694966c4beb4e9cca674b85311de400f7c9ebf7eb9e0e271074281447513d562757bb477a7884b02ba9cdc8caf9b3952afcc0e66b9a36c6c167aa5e731ca59
SSDEEP 6144:Vk0sdrHKMq6qCZHSLl6gw1s16Rl3Xz2UOFtiQqj6QyFpMkdLpdE:S0sFGm45w1s16RlXz2UOFoJjjy3MkxE
MD5 SHA1 SHA512 SSDEEP

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memory/4544-140-0x0000000000400000-0x0000000000424000-memory.dmp

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memory/4544-142-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/4544-143-0x00000000057B0000-0x0000000005DC8000-memory.dmp

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memory/4544-144-0x0000000005200000-0x0000000005212000-memory.dmp

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memory/4544-145-0x0000000005330000-0x000000000543A000-memory.dmp

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memory/4544-146-0x0000000005260000-0x000000000529C000-memory.dmp

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memory/4636-141-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/4904-139-0x0000000000910000-0x0000000000917000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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