44caliber | 686ef70e6f83b17792aac10f5853cd728d1647be6c57cfae1331602df69b211f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 14:49

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General

Target

Insidious.exe
Size

303KB
MD5

7c71b3abefc0cd9e6852c577e466d905
SHA1

1e2777765eb8340b0f9eefaa36b213634806d20c
SHA256

686ef70e6f83b17792aac10f5853cd728d1647be6c57cfae1331602df69b211f
SHA512

8f3a8f7142a73aacca46b930cf11b21efa0f8433480cb3e95d560a1a96f958413f00a2e8b05d7749656e50c6aa31e6da815434b0f703541821f42529b9a41114
SSDEEP

6144:0b4T6MDdbICydeBrdcQG3yf51+/wjmA1D0113:0bGhcQG3yB1aK1DY3

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1346493084548075560/YEckkrmFm7scerU_vEBzkRjSlTmaNinaKTCIOFAolLHyb8EgBC4MRQBOOkH10nX3NlHv

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
3068	Insidious.exe
3068	Insidious.exe
3068	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2764	3068	Insidious.exe	30
PID 3068 wrote to memory of 2764	3068	Insidious.exe	30
PID 3068 wrote to memory of 2764	3068	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:3068
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 3068 -s 1196
  2⤵
  PID:2764

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/3068-0-0x000007FEF5A83000-0x000007FEF5A84000-memory.dmp

Filesize
4KB

Download
memory/3068-1-0x0000000000AA0000-0x0000000000AF2000-memory.dmp

Filesize
328KB

Download
memory/3068-18-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

Filesize
9.9MB

Download
memory/3068-21-0x000007FEF5A80000-0x000007FEF646C000-memory.dmp

Filesize
9.9MB

Download