44caliber | 077208157453c61a8e0e0595da78aaffac3731f594918cc0b7c2e75016b17812

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 12:40

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General

Target

Insidious.exe
Size

303KB
MD5

76479a85ccdb095400ce6f8e49f6f96c
SHA1

dfec26827b24892ba64c748bedfc48b8f83723fa
SHA256

077208157453c61a8e0e0595da78aaffac3731f594918cc0b7c2e75016b17812
SHA512

b77c51a9e24fc06384ed38dcff109a37e95076ccc80bc7a041e75f400ebca77a3cadab207df1f3048bd28193ed9425e3a4ce347f1da7adb3fb30b2d27f28e41e
SSDEEP

6144:Cb4T6MDdbICydeBrdcQG3yf51+/wjmA1D0phr:CbGhcQG3yB1aK1D8r

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1300845993885171797/d6XLWleeGXHsZqUyCp-qA8LBbM-bHv706qhOGiaznpjmNKEE5oNNgdQn4SftKZB758x_

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2516	Insidious.exe
2516	Insidious.exe
2516	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2724	2516	Insidious.exe	30
PID 2516 wrote to memory of 2724	2516	Insidious.exe	30
PID 2516 wrote to memory of 2724	2516	Insidious.exe	30

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2516 -s 1072
  2⤵
  PID:2724

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2516-0-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

Filesize
4KB

Download
memory/2516-1-0x0000000000890000-0x00000000008E2000-memory.dmp

Filesize
328KB

Download
memory/2516-19-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

Filesize
9.9MB

Download
memory/2516-20-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

Filesize
9.9MB

Download