44caliber | f2b5cbbdb4beb4ccfe4220af1bc7a1065524ee4dcad89fa180ccd3a4cac0d87a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-08-2024 10:51

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General

Target

Insidious.exe
Size

303KB
MD5

73f91b648c6e449c678cc4bcaf217651
SHA1

8cb0cec0e31531b73bc04630c0ef86aec11894e6
SHA256

f2b5cbbdb4beb4ccfe4220af1bc7a1065524ee4dcad89fa180ccd3a4cac0d87a
SHA512

a2ad7c032bb93a9dc32a243cc0febb6fbe4272d44f381f6e9f2be7e94aca30a7b9871e9dd2a67f48b98202351605d81e5416e4c1d76275d590eba575bf8b006f
SSDEEP

6144:TRlT6MDdbICydeBV9suqPmlF62y6bmA1D0Gsp:TRT4uqPmH6Dg1Dmp

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1275043194824032316/eqfjpwfw-Aa32DfOOcp2pilYlVMwJCH973ItNa5eap8KHs1eapnkS0U23LDUza9Imjji

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

2352 Insidious.exe
2352 Insidious.exe
2352 Insidious.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description pid process

Token: SeDebugPrivilege 2352 Insidious.exe

pid	process
2352	Insidious.exe
2352	Insidious.exe
2352	Insidious.exe

description	pid	process
Token: SeDebugPrivilege	2352	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Insidious.exe

description	pid	process	target process
PID 2352 wrote to memory of 2720	2352	Insidious.exe	WerFault.exe
PID 2352 wrote to memory of 2720	2352	Insidious.exe	WerFault.exe
PID 2352 wrote to memory of 2720	2352	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:2352
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2352 -s 1016
  2⤵
  PID:2720

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/2352-0-0x000007FEF59F3000-0x000007FEF59F4000-memory.dmp

Filesize
4KB

Download
memory/2352-1-0x0000000000040000-0x0000000000092000-memory.dmp

Filesize
328KB

Download
memory/2352-7-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Filesize
9.9MB

Download
memory/2352-21-0x000007FEF59F0000-0x000007FEF63DC000-memory.dmp

Filesize
9.9MB

Download