44caliber | beecfc72917651d131028b60ab9a5dfb0b8e5e4ec60248321637048e06c524b7

Analysis

max time kernel
78s
max time network
79s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
26-04-2024 12:57

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General

Target

Chrome.exe
Size

303KB
MD5

0806acefdfc7d5602fb29b696edb0c64
SHA1

ff456af5fecb477cc00fffbaa4c206d18a62ee6a
SHA256

beecfc72917651d131028b60ab9a5dfb0b8e5e4ec60248321637048e06c524b7
SHA512

aa9bf80089dd565e2a4fa0af41f42c033c8093f83e52020b6c86c4cafeb49b627d712de89625adfbbc537d60f8fa0525b3c02164f4e34900c64ca3fd4fee134e
SSDEEP

6144:sdFT6MDdbICydeBvRaifWp93duW6jmA1D00Yp:sdzJaifWz3BY1D8p

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1233119648527159317/Az86qBZQwyED_alc1sGO6UWR18PzIJCJX0PM3XdL1VTOwZPXr0B4Rc6-GqAkKUjg4Jn2

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 freegeoip.app
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Chrome.exe

pid process

1384 Chrome.exe
1384 Chrome.exe
1384 Chrome.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Chrome.exe

description pid process

Token: SeDebugPrivilege 1384 Chrome.exe

flow	ioc
1	freegeoip.app

pid	process
1384	Chrome.exe
1384	Chrome.exe
1384	Chrome.exe

description	pid	process
Token: SeDebugPrivilege	1384	Chrome.exe

C:\Users\Admin\AppData\Local\Temp\Chrome.exe
"C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1384-0-0x00000164FC890000-0x00000164FC8E2000-memory.dmp

Filesize
328KB

Download
memory/1384-19-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

Filesize
9.9MB

Download
memory/1384-20-0x00000164FCCA0000-0x00000164FCCB0000-memory.dmp

Filesize
64KB

Download
memory/1384-21-0x00007FFA016F0000-0x00007FFA020DC000-memory.dmp

Filesize
9.9MB

Download