44caliber | beecfc72917651d131028b60ab9a5dfb0b8e5e4ec60248321637048e06c524b7

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 13:02

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General

Target

Insidious.exe
Size

303KB
MD5

0806acefdfc7d5602fb29b696edb0c64
SHA1

ff456af5fecb477cc00fffbaa4c206d18a62ee6a
SHA256

beecfc72917651d131028b60ab9a5dfb0b8e5e4ec60248321637048e06c524b7
SHA512

aa9bf80089dd565e2a4fa0af41f42c033c8093f83e52020b6c86c4cafeb49b627d712de89625adfbbc537d60f8fa0525b3c02164f4e34900c64ca3fd4fee134e
SSDEEP

6144:sdFT6MDdbICydeBvRaifWp93duW6jmA1D00Yp:sdzJaifWz3BY1D8p

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1233119648527159317/Az86qBZQwyED_alc1sGO6UWR18PzIJCJX0PM3XdL1VTOwZPXr0B4Rc6-GqAkKUjg4Jn2

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	freegeoip.app

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2128	Insidious.exe
2128	Insidious.exe
2128	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2680	2128	Insidious.exe	28
PID 2128 wrote to memory of 2680	2128	Insidious.exe	28
PID 2128 wrote to memory of 2680	2128	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:2128
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2128 -s 1088
  2⤵
  PID:2680

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/2128-0-0x00000000000E0000-0x0000000000132000-memory.dmp

Filesize
328KB

Download
memory/2128-1-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2128-2-0x000000001B5A0000-0x000000001B620000-memory.dmp

Filesize
512KB

Download
memory/2128-20-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download