44caliber | d6ff445d907d3cf0ca59cc2fa738de8b83f03c8bcb1420f425adf5b113fbdf38

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 13:42

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General

Target

Loader.exe
Size

303KB
MD5

06cefa8ca9d8b957ff7862c2bc095532
SHA1

00ddd5275d33b114891e8a1304f022cf31a3badc
SHA256

d6ff445d907d3cf0ca59cc2fa738de8b83f03c8bcb1420f425adf5b113fbdf38
SHA512

5e53b85ac8694cdcfab457a872811a5e42da18ab41de32b12d2ed28c32b9e4090c069833caf6fc9b02f9717314f5647027f85b506bea6ecf6f639d64c8d4aa90
SSDEEP

6144:uNFT6MDdbICydeBpxUKCa269TwHfw6fmA1D0H/s:uNzIKCa2yT301DUs

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1338494455816130602/RfPMucy7qNgnF1KO1MI5iOATLOqPdaYE1pn3HhuPCtXjqRXs3t1NFhCJsYBUYOc2mSD5

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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

pid	Process
2688	Loader.exe
2688	Loader.exe
2688	Loader.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	Loader.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2812	2688	Loader.exe	30
PID 2688 wrote to memory of 2812	2688	Loader.exe	30
PID 2688 wrote to memory of 2812	2688	Loader.exe	30

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2688 -s 1196
  2⤵
  PID:2812

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/2688-0-0x000007FEF5983000-0x000007FEF5984000-memory.dmp

Filesize
4KB

Download
memory/2688-1-0x0000000001300000-0x0000000001352000-memory.dmp

Filesize
328KB

Download
memory/2688-19-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download
memory/2688-20-0x000007FEF5980000-0x000007FEF636C000-memory.dmp

Filesize
9.9MB

Download