44caliber | 59a6f06a6c3fb38fea0456447ef4b2be6c32b66c5eee189df4dcd07b7802cfb6

Analysis

max time kernel
472s
max time network
605s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-03-2024 21:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Insidious.exe
Size

303KB
MD5

1fde4c0ddc141022ae31beadbae65aca
SHA1

ad4767a9905590f29e588fde1cd19a124fa42ef4
SHA256

59a6f06a6c3fb38fea0456447ef4b2be6c32b66c5eee189df4dcd07b7802cfb6
SHA512

b1a8bbc8a876355a6f04b1e40112f1ec1931f3d6bbab7036f87d8661b025310cd854dd789ca19fe8052d003c234ba607f3d5e27581e333b160ad2a833a1d30f1
SSDEEP

6144:bb2T6MDdbICydeB4mAQG0yB5cqVsvurTbmI1D0rAC:bb8HAQG0yXcsTR1DVC

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/1218245532355395716/g11t27knevSG81QEKAU9x-8eGlSzRRXTzD3cakygbS3BZNqW4JAN5zponvMiNKqlhNYv

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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 freegeoip.app
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Insidious.exe

pid process

3416 Insidious.exe
3416 Insidious.exe
3416 Insidious.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description pid process

Token: SeDebugPrivilege 3416 Insidious.exe

flow	ioc
3	freegeoip.app

pid	process
3416	Insidious.exe
3416	Insidious.exe
3416	Insidious.exe

description	pid	process
Token: SeDebugPrivilege	3416	Insidious.exe

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3416

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4180

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3416-0-0x000001D3AE9F0000-0x000001D3AEA42000-memory.dmp

Filesize
328KB

Download
memory/3416-11-0x00007FFD60BF0000-0x00007FFD616B1000-memory.dmp

Filesize
10.8MB

Download
memory/3416-32-0x000001D3C9020000-0x000001D3C9030000-memory.dmp

Filesize
64KB

Download
memory/3416-33-0x00007FFD60BF0000-0x00007FFD616B1000-memory.dmp

Filesize
10.8MB

Download