44caliber | 16163da307efedbc8a540ec1c6b643d2b40587494086af3dead37127f4966987

Analysis

max time kernel
31s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13-04-2023 02:15

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General

Target

29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe
Size

303KB
MD5

f9484530eef5af91375b16ad1312dd29
SHA1

0bf165ea23cf50314f63efc6b1fe70dfc513fc9a
SHA256

29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee
SHA512

6683fb523fed816538c763859cbad5805b03334521d4ca83be1fff30d8cb84bc836ae1612d677accb984000d45644bfcadf9618e63ede98e2643b5702d93c0ba
SSDEEP

6144:n+AC6MDdbICydeBWJaDNnqrMtt1KLIbldMWA1D0Usje:n+vzDNnqrqYd1Dkje

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1095429503737675886/XSOjpaYnkVlwzQqXu4kvtIMhmZQVCMFwUVjdoKgnPXh4ER5XWIZ-0wzCDA36bKxszrIs

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1768 924 WerFault.exe 29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

pid	pid_target	process	target process
1768	924	WerFault.exe	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

pid	process
924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe
924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

description pid process

Token: SeDebugPrivilege 924 29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

description	pid	process
Token: SeDebugPrivilege	924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe

description	pid	process	target process
PID 924 wrote to memory of 1768	924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe	WerFault.exe
PID 924 wrote to memory of 1768	924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe	WerFault.exe
PID 924 wrote to memory of 1768	924	29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe
"C:\Users\Admin\AppData\Local\Temp\29e74d69dbe506f07c91cd245427379aebc67b1c24dafc2cd0bde49ed6fd5cee.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:924
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 924 -s 1180
  2⤵
  - Program crash
  PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/924-54-0x0000000000C90000-0x0000000000CE2000-memory.dmp

Filesize
328KB

Download
memory/924-72-0x000000001A740000-0x000000001A7C0000-memory.dmp

Filesize
512KB

Download
memory/924-73-0x000000001A740000-0x000000001A7C0000-memory.dmp

Filesize
512KB

Download