44caliber | 8d14c3ddc1f328f6afa101354b3bd237ea5f6d5ede5526c301d647db5e7b2829

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 19:29

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General

Target

e2780d5f4e1a30a57a4e47f893370e60N.exe
Size

303KB
MD5

e2780d5f4e1a30a57a4e47f893370e60
SHA1

f5adbd631b5303cb832eb59085210176dfb0bdb6
SHA256

8d14c3ddc1f328f6afa101354b3bd237ea5f6d5ede5526c301d647db5e7b2829
SHA512

d9b68d4d01e6fc495afcbf2255f684a609fc96edfdb17cc34bd2b3c27d54374225424a7f16214f38ea44281f0f63c21e46edda89de71aacc72cfb0d8ab6198e1
SSDEEP

6144:h/oT6MDdbICydeBrdEGHpcJWbg6vmA1D0q0G:h/WJEGHpQWEM1DWG

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1275104139587616934/cVYjsimoHW_MSjxoI5Prmq28mq3wQZ0Q6S-d_VTdoxMVqXW-c2M0A6ByJLCYIAEg0gsS

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2404	e2780d5f4e1a30a57a4e47f893370e60N.exe
2404	e2780d5f4e1a30a57a4e47f893370e60N.exe
2404	e2780d5f4e1a30a57a4e47f893370e60N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	e2780d5f4e1a30a57a4e47f893370e60N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2684	2404	e2780d5f4e1a30a57a4e47f893370e60N.exe	31
PID 2404 wrote to memory of 2684	2404	e2780d5f4e1a30a57a4e47f893370e60N.exe	31
PID 2404 wrote to memory of 2684	2404	e2780d5f4e1a30a57a4e47f893370e60N.exe	31

C:\Users\Admin\AppData\Local\Temp\e2780d5f4e1a30a57a4e47f893370e60N.exe
"C:\Users\Admin\AppData\Local\Temp\e2780d5f4e1a30a57a4e47f893370e60N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2404 -s 1176
  2⤵
  PID:2684

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/2404-0-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000000960000-0x00000000009B2000-memory.dmp

Filesize
328KB

Download
memory/2404-8-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download
memory/2404-22-0x000007FEF56A3000-0x000007FEF56A4000-memory.dmp

Filesize
4KB

Download
memory/2404-23-0x000007FEF56A0000-0x000007FEF608C000-memory.dmp

Filesize
9.9MB

Download