44caliber | 9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362

Analysis

max time kernel
148s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 18:47

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General

Target

4e896524210ad3a26c70e5b835a7f791.exe
Size

598KB
MD5

4e896524210ad3a26c70e5b835a7f791
SHA1

56266f2cfcccaadd39a76fd2b71f776d81777f7e
SHA256

9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362
SHA512

bfa8ed75ec6da65875ca654092930cd3ebac0f8e8f2c1650c9dc67e570de5f4622edd20d4b7398365e0bcba2e52c8b5214221fd347c296065bbc40913ea046de
SSDEEP

12288:1tqe3zJK6Y69eyXf1DBLP/NtvEbCzCo06qVwe6FQp9ioP0:bdI6F3PTsbCx06qH6F4RP

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/855417360688480256/JUyPPd3soXD0X_vllpMQMEAEAMSAs1J4iX2r2jRuXhB3kX2tHimYk-jMIi71U29HYoiG

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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 freegeoip.app
5 freegeoip.app

flow	ioc
2	freegeoip.app
5	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	4e896524210ad3a26c70e5b835a7f791.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

pid	process
4164	4e896524210ad3a26c70e5b835a7f791.exe
4164	4e896524210ad3a26c70e5b835a7f791.exe
4164	4e896524210ad3a26c70e5b835a7f791.exe
4164	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4e896524210ad3a26c70e5b835a7f791.exe

description pid process

Token: SeDebugPrivilege 4164 4e896524210ad3a26c70e5b835a7f791.exe

description	pid	process
Token: SeDebugPrivilege	4164	4e896524210ad3a26c70e5b835a7f791.exe

C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe
"C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\44\Process.txt
Filesize
1KB

MD5
279f3b4a005961bee8d6141feb2831ae

SHA1
d5f7fa81a9b47d1f22a4f58773e700336406d31a

SHA256
58f12f29ff7a597bbd8e6408e79d5399adc4574231f0e9a9b334de08bb64698e

SHA512
f1f32e6de1616c1fe4fc533fb303d084f5f969f4f0d3462042a45978e3c658ab1e486ae7d9de1a223721074b95da4e4552a1b10b8ac4fa6a338c6ee62f3ea8ae

Download Submit
C:\ProgramData\44\Process.txt
Filesize
732B

MD5
6eaa30abe68c4d94d0746aec2e9c71ae

SHA1
1262e9a77db7e91ce4c6acb0e8f32834db01bc9e

SHA256
0f87770b40d526dcd8fc45f434a93f9a75c55d44e75aee8b3e3b253a9457c54c

SHA512
0dd5f9ccb06b7f98975c60e44d3b9336a8bafb4355ae4055a4757f5818cb9a919b29d445faa4756bcb948ec29ef6dd0f80f7dd74d3d498864039e20976689dbb

Download Submit
C:\ProgramData\44\Process.txt
Filesize
1KB

MD5
5ebc6f5caf0f3ba7e397acd46793d29d

SHA1
f6b2080667ab8b840c508035a2bd4ff79e3c745e

SHA256
4fea31df146bde4f638a22a4f9371359fd7e5183fa3676b6ce0bbb746502d4c1

SHA512
b32edd15b665e020453222c207ac0bc5145ff4580351932f888839876735a344bb646cbc59bc52592924729533457d7a76c347365c566882bb26f4929bef9325

Download Submit
memory/4164-0-0x0000000000940000-0x00000000009DA000-memory.dmp

Filesize
616KB

Download
memory/4164-32-0x000000001B5E0000-0x000000001B5F0000-memory.dmp

Filesize
64KB

Download
memory/4164-31-0x00007FF9D7B80000-0x00007FF9D8641000-memory.dmp

Filesize
10.8MB

Download
memory/4164-125-0x00007FF9D7B80000-0x00007FF9D8641000-memory.dmp

Filesize
10.8MB

Download