44caliber | c299a7b28254577fe16224670a8a30bb8b3fb40423c8e3c44f2b7e4a15ec9ddb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 12:14

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General

Target

Insidious.exe
Size

303KB
MD5

edda50b770fce0dc088f1441f79d5e32
SHA1

4fd5d8c6b9689e2208bec77c5e664e636ab0acfa
SHA256

c299a7b28254577fe16224670a8a30bb8b3fb40423c8e3c44f2b7e4a15ec9ddb
SHA512

384be5d82f55f243ccbc8cdd219138ce9b77d615fb3eb7eb00497a0094aacbd1ea590f041457dd6790e0daf30ec7ac09ce032349d401f4706348ca423060ed07
SSDEEP

6144:FlFT6MDdbICydeBjy5i25C9nb/n6+mA1D0csI:Flz+5i25anbf51DoI

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1253318521178554430/zySBpAEalZ7s-Wf1Maut3o0LsaJjPWJRDMPKHSH6hL7hLtsJPM4goQk5nY-hbCoViGht

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 2 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
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

Processes:

Insidious.exe

pid process

2344 Insidious.exe
2344 Insidious.exe
2344 Insidious.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description pid process

Token: SeDebugPrivilege 2344 Insidious.exe

pid	process
2344	Insidious.exe
2344	Insidious.exe
2344	Insidious.exe

description	pid	process
Token: SeDebugPrivilege	2344	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Insidious.exe

description	pid	process	target process
PID 2344 wrote to memory of 2648	2344	Insidious.exe	WerFault.exe
PID 2344 wrote to memory of 2648	2344	Insidious.exe	WerFault.exe
PID 2344 wrote to memory of 2648	2344	Insidious.exe	WerFault.exe

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:2344
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2344 -s 1188
  2⤵
  PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

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/2344-0-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2344-1-0x0000000001360000-0x00000000013B2000-memory.dmp

Filesize
328KB

Download
memory/2344-21-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2344-22-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2344-23-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download