44caliber | cbd7ccd03a3a3be29a706140db118e3236bf9c1e661faa3484d7eeb7595320fb

Analysis

max time kernel
138s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 23:35

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General

Target

812730ab78b75e54447cc2cef657f049.exe
Size

1.2MB
MD5

812730ab78b75e54447cc2cef657f049
SHA1

74b23bbf12f837211fb10153b9297f7a4d22080f
SHA256

cbd7ccd03a3a3be29a706140db118e3236bf9c1e661faa3484d7eeb7595320fb
SHA512

4a1f1db3a9c5147bd57cd8610f3621f2c6f8113336fc649636f7fd2987751be44d363196dd3f105bc27179abdfcd0bb45b34e2ca9395b12467ca4f07563fd155
SSDEEP

24576:aWONscvqS0UDwzUYhwNf7Pqby1NYYVLs1OhqaBYIhuKtXUUKgVs:nOucv0JzTGBEaLI1qB4KtXUBgV

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/880153662645735455/ykvlzZ1p3W0sqQLzdINgrSNgQACh5-eayADFlIFVAXdkj6t4sAsGJjlgezM8GeSm7XVe

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.

flow	ioc
10	freegeoip.app
11	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4496	812730ab78b75e54447cc2cef657f049.exe
4496	812730ab78b75e54447cc2cef657f049.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3536	4496	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4496	812730ab78b75e54447cc2cef657f049.exe
4496	812730ab78b75e54447cc2cef657f049.exe
4496	812730ab78b75e54447cc2cef657f049.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4496	812730ab78b75e54447cc2cef657f049.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4496	812730ab78b75e54447cc2cef657f049.exe

C:\Users\Admin\AppData\Local\Temp\812730ab78b75e54447cc2cef657f049.exe
"C:\Users\Admin\AppData\Local\Temp\812730ab78b75e54447cc2cef657f049.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 1356
  2⤵
  - Program crash
  PID:3536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4496 -ip 4496
1⤵
PID:820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/4496-0-0x0000000000BD0000-0x0000000000F88000-memory.dmp

Filesize
3.7MB

Download
memory/4496-1-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/4496-2-0x0000000000BD0000-0x0000000000F88000-memory.dmp

Filesize
3.7MB

Download
memory/4496-3-0x0000000005C90000-0x0000000005CA0000-memory.dmp

Filesize
64KB

Download
memory/4496-38-0x0000000000BD0000-0x0000000000F88000-memory.dmp

Filesize
3.7MB

Download
memory/4496-39-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download