44caliber | 83fa8d782b344ad03557650a4d3c8d8b9d34d74238bdfa470c40ee1b43a5aa0c

Analysis

max time kernel
23s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 20:55

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General

Target

Alpha.exe
Size

303KB
MD5

f25055b8bc6c0ea610dc7e7f537c965e
SHA1

ec7867e4f67a589b3dcfc6eb2937f51b6f586acb
SHA256

83fa8d782b344ad03557650a4d3c8d8b9d34d74238bdfa470c40ee1b43a5aa0c
SHA512

0552cd40771593c2c00d922555a02bdfdec0922c6ce51611f0b780384c8f44332df19277360012d830fa7944967767d2db2af0a7d4f2653d3fe695f50861636c
SSDEEP

6144:DXt3T6MDdbICydeBimcmXKhJUP+6jmA1D0goc:DXttpcmXKnUWY1Dkc

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1299714323437846560/8vTyp7oBL-pL3lSrtcRSiyqmJ0QAxIj3uJD3LMbf2ZP-8fjjLRUvMZtdpz8DfGxdoou6

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

Processes:

Alpha.exe

pid process

2792 Alpha.exe
2792 Alpha.exe
2792 Alpha.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Alpha.exe

description pid process

Token: SeDebugPrivilege 2792 Alpha.exe

pid	process
2792	Alpha.exe
2792	Alpha.exe
2792	Alpha.exe

description	pid	process
Token: SeDebugPrivilege	2792	Alpha.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Alpha.exe

description	pid	process	target process
PID 2792 wrote to memory of 2236	2792	Alpha.exe	WerFault.exe
PID 2792 wrote to memory of 2236	2792	Alpha.exe	WerFault.exe
PID 2792 wrote to memory of 2236	2792	Alpha.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Alpha.exe
"C:\Users\Admin\AppData\Local\Temp\Alpha.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2792 -s 776
  2⤵
  PID:2236

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/2792-0-0x000007FEF5FB3000-0x000007FEF5FB4000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x00000000012E0000-0x0000000001332000-memory.dmp

Filesize
328KB

Download
memory/2792-8-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2792-22-0x000007FEF5FB3000-0x000007FEF5FB4000-memory.dmp

Filesize
4KB

Download
memory/2792-23-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download