44caliber | 14a1264513387d0de5b2ff845e9f87281c541454f3602195bd4722071c9cd993

Analysis

max time kernel
133s
max time network
139s
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, 04:31

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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
1	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
368	Insidious.exe
368	Insidious.exe
368	Insidious.exe
368	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	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:368

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
1KB

MD5
d519467fe178fb96fa5b64f33e96f75e

SHA1
0396b11a6d9010d3232fecc86d14bbb5ef1bdbf5

SHA256
88edebf8ef926c4668fae9da17ce09581c43b0af3af92c9f7ea95026d71197a1

SHA512
c230980864eb272a99497b1aae037678d8176db55abd1c97d2757f740b8f5c45dfd4c1c3ac8e32648a1bbd60c6fdb521973fbd0bb2abff82e52e9fa4b5b58c2e

Download Submit
memory/368-0-0x00007FFD4BBD3000-0x00007FFD4BBD5000-memory.dmp

Filesize
8KB

Download
memory/368-1-0x0000000000130000-0x000000000017A000-memory.dmp

Filesize
296KB

Download
memory/368-31-0x00007FFD4BBD0000-0x00007FFD4C691000-memory.dmp

Filesize
10.8MB

Download
memory/368-124-0x00007FFD4BBD0000-0x00007FFD4C691000-memory.dmp

Filesize
10.8MB

Download