44caliber | 235419025a4370a900cb615294e8c0328368159d94554da60bb63003606a1aed

Analysis

max time kernel
104s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 00:34

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General

Target

Release/Insidious.exe
Size

274KB
MD5

bd0abf4bc598b5ec4c2dc202130d1ca5
SHA1

3c5e112efab2d799c84be216b2f79ae3842d670c
SHA256

5ed924877d2133ba8cc49bcc184fc705ec7f245b48a1f1f6ea58efe27a8c9318
SHA512

fd2cef1420136a77bb9d43cb69b088c19836df788ef4d4adb89a66ee2cd18511d05dd45510d7293caa3825cbc189dcce9aa2c1d131ee552f3fa9971bc842ddff
SSDEEP

6144:3f+BLtABPDZU0/r7ePNztEObl/afTiylI1D003q:1ULFztEObPv1D3q

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1352794031603712081/f-woauUxsO8FZ8GtPcSrZ_FxrccVOu_QXZdJAg8J3qgh9hizPxYvJ6Hq6QwtqH3P-wl6

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
2	freegeoip.app
3	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Insidious.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Insidious.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5284	Insidious.exe
5284	Insidious.exe
5284	Insidious.exe
5284	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5284	Insidious.exe

C:\Users\Admin\AppData\Local\Temp\Release\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Release\Insidious.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5284

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
440B

MD5
9a95f8d169ff6479e95342478ed81b1e

SHA1
0c45786e821e6252e574810bf64703c9b02a3905

SHA256
07537a6223e241a7925bd2f2f7fc0bf4569cbace3c86e0be0c7fc225fe5e28d7

SHA512
418c1aa5ed18f93fcd7290e5fdfb9d0f61dab57ea0d1adb5e7e71f6c173e5c4abc6c5ecab77c77011bab488d8384bc066f0bb994358825727f2ef7070538bc08

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
732B

MD5
fa37721ce98d97bf054f5e16d85e4aa9

SHA1
0bb978f3206cb5c046627dbe38128e03aef38b84

SHA256
e31d68c10d32223287c13e2fb503340a629834ffc214db7e415ca0f6c488bec1

SHA512
37b98ac0e710bb30769cd7a8ec8ea52e5cf1ec5fe36372d036e4741bec3e47f3eaa561e5dd87d203330049c9f3d76d16d3d161362a0bb189d8783e8eec5a784e

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
1KB

MD5
7f8395a63c2e13cda9c19f47604fdccb

SHA1
9b4de222f8c386f6890aa01f6be0b2a0ad16f690

SHA256
5d75cce32cf7d4e200262a1a751823a6d9970345dfdbed51980d1391f0f23261

SHA512
ec94507da8f6cc77dcdf38d8c07bc7504b030b51e5be4e9bde1d375f39f4165c7727993baef0ed51ed49303af6de7057929efc19dab95de3ebe602e89b151b07

Download Submit
memory/5284-0-0x00007FFC495C3000-0x00007FFC495C5000-memory.dmp

Filesize
8KB

Download
memory/5284-1-0x00000230DF340000-0x00000230DF38A000-memory.dmp

Filesize
296KB

Download
memory/5284-23-0x00007FFC495C0000-0x00007FFC4A081000-memory.dmp

Filesize
10.8MB

Download
memory/5284-121-0x00007FFC495C0000-0x00007FFC4A081000-memory.dmp

Filesize
10.8MB

Download