44caliber | f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/03/2025, 20:08

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General

Target

f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe
Size

303KB
MD5

e6d4263c0072f91e030d9f3e456f76a0
SHA1

83af72a1204dd56bfe0dd8e87384c36724d0d198
SHA256

f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636e
SHA512

6dea33c5261deb852e47875fd3fd5fb4447d60e7a964c26433485f18117ce76417e17e764fa898f519c85fb133d0863bb0760a79c4be61dd98a8d96a2a44447e
SSDEEP

6144:yv1T6MDdbICydeBxbf0G3aLpbwsCwvmA1D0h8J:yvD10G3alstW1DFJ

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1349107907471609938/ryDHij2m7lX3y2BsfcEqrdcyg5cAB6Mox5Qpkc5glH5mS5EMBSpcCYjIgriqI1v4xyfz

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
2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe
2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe
2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1976	2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe	31
PID 2972 wrote to memory of 1976	2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe	31
PID 2972 wrote to memory of 1976	2972	f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe	31

C:\Users\Admin\AppData\Local\Temp\f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe
"C:\Users\Admin\AppData\Local\Temp\f8f537927599dfb23d134256041c23260267468cb0443f880914f6efe285636eN.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2972 -s 1196
  2⤵
  PID:1976

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/2972-0-0x000007FEF53E3000-0x000007FEF53E4000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000000C90000-0x0000000000CE2000-memory.dmp

Filesize
328KB

Download
memory/2972-20-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2972-21-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download