44caliber | 9b7e5212ceb95912f0776f8bd48eac1b1098e9807e8f27291a3ffdd592c4e974

Analysis

max time kernel
37s
max time network
19s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 11:12

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General

Target

Insidious.exe
Size

303KB
MD5

cd1ac5775cfc183e6ebfb9397f4ae3c7
SHA1

8937b324e8c47f3b858d6e56c3705a96d5cf5d40
SHA256

9b7e5212ceb95912f0776f8bd48eac1b1098e9807e8f27291a3ffdd592c4e974
SHA512

d26c95bb9ccad0b1b3195e23dfc5b9e8cfeba458c0605ddefae3d807545b024a09d70aeb6d6f0c9d04472124b0ff7f28744ca534f107be2a72c0ab4366826c78
SSDEEP

6144:YjFT6MDdbICydeB0iG54G4S+ZoHi63mA1D0LGC:YjzQ54G4SuoCU1DBC

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1209815343875235840/T1sUleC88lxasrU1EpgCYPjJI1NBPf57Wdr3z0H9p3gJmNIVwOVbhzTSCb3qRBCKKNRj

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

pid	Process
2112	Insidious.exe
2112	Insidious.exe
2112	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2804	2112	Insidious.exe	28
PID 2112 wrote to memory of 2804	2112	Insidious.exe	28
PID 2112 wrote to memory of 2804	2112	Insidious.exe	28

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:2112
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2112 -s 888
  2⤵
  PID:2804

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/2112-0-0x0000000001230000-0x0000000001282000-memory.dmp

Filesize
328KB

Download
memory/2112-1-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2112-2-0x000000001B190000-0x000000001B210000-memory.dmp

Filesize
512KB

Download
memory/2112-21-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download