44caliber | 3a87cc4950e178d0d9cbdaed694c3f66eaa9188b737e77196fb7f04488de87b1

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 10:56

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General

Target

d3de0412bec54446b5d1ed2c4c5f4c70N.exe
Size

303KB
MD5

d3de0412bec54446b5d1ed2c4c5f4c70
SHA1

54495a644a25c7d34dc54bea412dd5cc2a6134a2
SHA256

3a87cc4950e178d0d9cbdaed694c3f66eaa9188b737e77196fb7f04488de87b1
SHA512

b0a45b1802a029db70af34e99ebb366eae3d14abacfbc76a416f0546658144353be9f3239a2e04f8841f570183d19d0a4ac52e1d65f058d5003bf0df6097f50e
SSDEEP

6144:ijFT6MDdbICydeB0iG54G4S+ZoH86rmA1D0pFY:ijzQ54G4SuocQ1D4Y

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1279822438275743797/_20WkTO7p0GPrUxzs4Q2N_pDciklVwX5FNxvTPXTBG6N9rgt5NcWUwHYy3qnBKR_GZGa

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
2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe
2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe
2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2096	2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe	31
PID 2816 wrote to memory of 2096	2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe	31
PID 2816 wrote to memory of 2096	2816	d3de0412bec54446b5d1ed2c4c5f4c70N.exe	31

C:\Users\Admin\AppData\Local\Temp\d3de0412bec54446b5d1ed2c4c5f4c70N.exe
"C:\Users\Admin\AppData\Local\Temp\d3de0412bec54446b5d1ed2c4c5f4c70N.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2816 -s 1196
  2⤵
  PID:2096

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/2816-0-0x000007FEF63F3000-0x000007FEF63F4000-memory.dmp

Filesize
4KB

Download
memory/2816-1-0x0000000000B50000-0x0000000000BA2000-memory.dmp

Filesize
328KB

Download
memory/2816-20-0x000007FEF63F0000-0x000007FEF6DDC000-memory.dmp

Filesize
9.9MB

Download
memory/2816-21-0x000007FEF63F3000-0x000007FEF63F4000-memory.dmp

Filesize
4KB

Download
memory/2816-22-0x000007FEF63F0000-0x000007FEF6DDC000-memory.dmp

Filesize
9.9MB

Download