44caliber | 235419025a4370a900cb615294e8c0328368159d94554da60bb63003606a1aed

Analysis

max time kernel
103s
max time network
145s
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, 00:26

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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
7	freegeoip.app
6	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
2192	Insidious.exe
2192	Insidious.exe
2192	Insidious.exe
2192	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	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:2192

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:\ProgramData\44\Process.txt

Filesize
734B

MD5
981a0216b3c430bee1a42d0f4dd8ab2c

SHA1
f597ba45f08aabb2b8a52a648a2a16426069f934

SHA256
1f137366ca398ab9ffe625d8eda3cd99ab3ac74d57bf1743562f221c7b455907

SHA512
b783c3286f93b0d2d54b144993780266bc7c1bca5f8b5046785c1a47c48ec678ed17a6f8bbff0850e24943e0f1232ecc15ea62b0414967d9047dfe37734f3586

Download Submit
C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
f9139f095b3c8b9322fbde4a0ff8ac1e

SHA1
c08f324834497ebce0ece4c463d6070b9c38e720

SHA256
07a142b693d2788089ca6900aa7129e5446d0750a8453f7fa69e6fddfc4712b5

SHA512
9a8fa71b006e29ab4c11fafe80ee745135ef2d50a9e360242b172d134ab7923b609590fdbc09ba4c119d0822169e1179bbfc0700be5af7a6211934ea7f064509

Download Submit
memory/2192-0-0x00007FFD5DD13000-0x00007FFD5DD15000-memory.dmp

Filesize
8KB

Download
memory/2192-1-0x00000218F8640000-0x00000218F868A000-memory.dmp

Filesize
296KB

Download
memory/2192-15-0x00007FFD5DD10000-0x00007FFD5E7D1000-memory.dmp

Filesize
10.8MB

Download
memory/2192-120-0x00007FFD5DD10000-0x00007FFD5E7D1000-memory.dmp

Filesize
10.8MB

Download