44caliber | 14a1264513387d0de5b2ff845e9f87281c541454f3602195bd4722071c9cd993

Analysis

max time kernel
104s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
26/02/2025, 04:30

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General

Target

Insidious.exe
Size

274KB
MD5

7a083b21373fd2434499809259fde79b
SHA1

76a4435b5d6962ac5075ab5f6da961c3ec8b69c9
SHA256

14a1264513387d0de5b2ff845e9f87281c541454f3602195bd4722071c9cd993
SHA512

bc1ccfa81f536f05870030b681a090b867bdb2ac557bd136590566a7c1b0487f9360d59d765dddc017ed0a1b611df8bdc08ad3e50c167a968b3a7168f38056b0
SSDEEP

6144:Sf+BLtABPDtFxzerToNZrOGy4xlc41V6GIeyXsRA1D0F+t:AFfNZrOR4EY69eyXd1DXt

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/882489630065319956/VC0YwvBy87naF4ORGT57s3TAJyA-YLmF9HH8KTWMAMdx5J5HhF5egYZOK_c3-xXSTcUg

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
3	freegeoip.app
4	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
224	Insidious.exe
224	Insidious.exe
224	Insidious.exe
224	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	224	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:224

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\Local\44\Process.txt

Filesize
1KB

MD5
847e3c251484e7639812c40e68e53afa

SHA1
e409a5d43983fa45e6f6d2885d7fa35fd944ca1d

SHA256
ae758a29993c4c38d3dee3504d9b32675156a8e5e9d9283e63e4a1a1390883dc

SHA512
d771cc812c7d3f5dbcbec219a73331ce1209915950c454a764949a7fce2a14eea28e9fcd6426c44c895be51f29118e6d7404e8884e30c453735ce635649607fe

Download Submit
memory/224-0-0x00007FF9562F3000-0x00007FF9562F5000-memory.dmp

Filesize
8KB

Download
memory/224-1-0x0000000000C90000-0x0000000000CDA000-memory.dmp

Filesize
296KB

Download
memory/224-32-0x00007FF9562F0000-0x00007FF956DB1000-memory.dmp

Filesize
10.8MB

Download
memory/224-122-0x00007FF9562F0000-0x00007FF956DB1000-memory.dmp

Filesize
10.8MB

Download