44caliber | 158ec994a6de6b0b7cffcf86c9474f91cacdb6b0ce0e7a070df250870cc0c044

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-02-2025 12:12

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General

Target

Insidious.exe
Size

303KB
MD5

9aa717cec4e9f75aa00e786eae4a3d04
SHA1

ac99a075824a6b085745e302ff48abf368d31d27
SHA256

158ec994a6de6b0b7cffcf86c9474f91cacdb6b0ce0e7a070df250870cc0c044
SHA512

8d092206c0f3d11e2f5146bbc15488990c2952dbd843188aa91c745b5a513f9ea3d63ced78a113c17544d684031f123ec989034fafd1f70c9f355efc02fccde5
SSDEEP

6144:dRlT6MDdbICydeBV9suqPmlF62y6hmA1D0tUt:dRT4uqPmH6Da1D5t

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1338833550199492618/rw2c6QUr58msenoKNKsg8ZLDsVFUzkO7iGhk2kE6ipUW1tOa4RuHOLFqDfRB05yiIfWD

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
1704	Insidious.exe
1704	Insidious.exe
1704	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2456	1704	Insidious.exe	30
PID 1704 wrote to memory of 2456	1704	Insidious.exe	30
PID 1704 wrote to memory of 2456	1704	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:1704
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1704 -s 1192
  2⤵
  PID:2456

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/1704-0-0x000007FEF56B3000-0x000007FEF56B4000-memory.dmp

Filesize
4KB

Download
memory/1704-1-0x0000000001300000-0x0000000001352000-memory.dmp

Filesize
328KB

Download
memory/1704-6-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/1704-20-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download