44caliber | b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-10-2024 03:58

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General

Target

b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe
Size

303KB
MD5

ef510464a3d8928dbccdab5cbe2249c0
SHA1

a20c03443a8279717430b86cdbc38fe6ada088eb
SHA256

b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453
SHA512

97a6ab7759834b4bb2db5a8ebadc3c549bc5383edb2358cbb69a19c1e1de9529fc083f4d4e6cc87bf4be421766036a04c2bab482436234046731424167153d31
SSDEEP

6144:8Xt3T6MDdbICydeBimcmXKhJUPw6jmA1D0bVs:8XttpcmXKnUoY1Dms

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1292528994620538911/b4Kbyxg1xDjUFAcWJSUfjn2DKcY8pdGE4lxFXa8owajjCsbtPiwbxPBB9k29Y86QwgML

Signatures

44Caliber
An open source infostealer written in C#.
stealer 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
2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe
2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe
2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2948	2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe	30
PID 2264 wrote to memory of 2948	2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe	30
PID 2264 wrote to memory of 2948	2264	b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe	30

C:\Users\Admin\AppData\Local\Temp\b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe
"C:\Users\Admin\AppData\Local\Temp\b9f641e833bf3605544cbdad55ac15485307a4a50ded37142fc4ea5f668cb453N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2264 -s 1188
  2⤵
  PID:2948

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/2264-0-0x000007FEF6003000-0x000007FEF6004000-memory.dmp

Filesize
4KB

Download
memory/2264-1-0x0000000000BD0000-0x0000000000C22000-memory.dmp

Filesize
328KB

Download
memory/2264-20-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download
memory/2264-21-0x000007FEF6000000-0x000007FEF69EC000-memory.dmp

Filesize
9.9MB

Download