44caliber | 5ed924877d2133ba8cc49bcc184fc705ec7f245b48a1f1f6ea58efe27a8c9318

Analysis

max time kernel
107s
max time network
143s
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, 00:25

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General

Target

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
8	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
5308	Insidious.exe
5308	Insidious.exe
5308	Insidious.exe
5308	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5308	Insidious.exe

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5308

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

Replay Monitor

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Downloads

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

Filesize
832B

MD5
982f7be0f6fc6bc089613513e4dc652d

SHA1
8f4c658c465d049ef80814845e4d975691efb145

SHA256
5c8180829a75a6ebf6a50f78d1f8b7a3a356eb8895c66eaecdeb7b78ef63c5fb

SHA512
cba3c1d656f7da1e2305b0cac0765827eab355543e668f752f1d67ccc55b1b9a1a45958f24a9f4b951ab5054a9fe350c5f84613a873de968df3c45b04446be37

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

Filesize
945B

MD5
7ff2a4a373accedecab31b37c1edb92b

SHA1
30b30c306423cd9036af99720a9069fe6bd3053f

SHA256
6a8048a630ac33dbc010d780aee9022ce8cb7ed49851b0f247281f2f3ad2bb17

SHA512
3443f7327e43d12b1c7eef645b0d3e10a8d3b94c8dc936935f66b2edd3a8287c459b111f3635d2739f3d97e3ee4054177d57e73d7398989df91f89520ed0e565

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

Filesize
1KB

MD5
cd85174eaafeb31f3ecd4985386cad30

SHA1
3e6bf582fa4dab7f7a6ea8f0f3955657916f673f

SHA256
723d174ae88148561982b957f068418ec67c39af1c5d67e86f96cbd2e76decd9

SHA512
4a67f8be707f83966f28bfe97bf9a1bc3482d7ddfeeac3e39ea8c460ebee368f5effec85b267ee618b65ed5e05fa8a42d34232dda2e818a33f2ae1c135287641

Download Submit
memory/5308-0-0x00007FFFDD033000-0x00007FFFDD035000-memory.dmp

Filesize
8KB

Download
memory/5308-1-0x0000019122C20000-0x0000019122C6A000-memory.dmp

Filesize
296KB

Download
memory/5308-28-0x00007FFFDD030000-0x00007FFFDDAF1000-memory.dmp

Filesize
10.8MB

Download
memory/5308-120-0x00007FFFDD030000-0x00007FFFDDAF1000-memory.dmp

Filesize
10.8MB

Download