44caliber | 638d64d65efd9ad2661bb6f33677689fc17a8b370751e7bb8ae255bc0ebba282

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 16:58

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General

Target

WoksiMeneg.exe
Size

303KB
MD5

ee725ca0f25f388656a01de2d5f222b8
SHA1

d67fd88ffc308db1b7f2d60ce9299191cdfdcf48
SHA256

638d64d65efd9ad2661bb6f33677689fc17a8b370751e7bb8ae255bc0ebba282
SHA512

18f3de4ffdebd550bbb40547138da3f2ad905a35bb6af3d4e862de157cd9e090218cd4b1407c69a451e8ad18afa248220e8e5aa70623cd53ff01e9148f55c504
SSDEEP

6144:w1E0T6MDdbICydeB1MnyCvG/9GzC6LmA1D0XoO:w1z6yCvGFG+w1DPO

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1282656223682105405/fZzk0Hd_vZyiyOmXb8Q0ODSwm2YlkGtfF7H4LgbvREcWNQZksDAPfCAcrAdCpAx0oVA1

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

WoksiMeneg.exe

pid	Process
2272	WoksiMeneg.exe
2272	WoksiMeneg.exe
2272	WoksiMeneg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WoksiMeneg.exe

description	pid	Process
Token: SeDebugPrivilege	2272	WoksiMeneg.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WoksiMeneg.exe

description	pid	Process	procid_target
PID 2272 wrote to memory of 2744	2272	WoksiMeneg.exe	31
PID 2272 wrote to memory of 2744	2272	WoksiMeneg.exe	31
PID 2272 wrote to memory of 2744	2272	WoksiMeneg.exe	31

C:\Users\Admin\AppData\Local\Temp\WoksiMeneg.exe
"C:\Users\Admin\AppData\Local\Temp\WoksiMeneg.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2272 -s 1060
  2⤵
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-0-0x000007FEF6793000-0x000007FEF6794000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000001110000-0x0000000001162000-memory.dmp

Filesize
328KB

Download
memory/2272-6-0x000007FEF6790000-0x000007FEF717C000-memory.dmp

Filesize
9.9MB

Download
memory/2272-20-0x000007FEF6793000-0x000007FEF6794000-memory.dmp

Filesize
4KB

Download
memory/2272-21-0x000007FEF6790000-0x000007FEF717C000-memory.dmp

Filesize
9.9MB

Download