44caliber | e526c085f182858a961dd965e704e1b61c5e8fbf702a6d9be630290165b987f9

Analysis

max time kernel
185s
max time network
293s
platform
windows10-1703_x64
resource
win10-20230915-en
resource tags

arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
submitted
20-10-2023 11:47

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General

Target

Insidious.exe
Size

303KB
MD5

f31aa1d0e8e31801277a077e02cc3596
SHA1

8c7cdb9936f061a730241221da623dddeeaa5dca
SHA256

e526c085f182858a961dd965e704e1b61c5e8fbf702a6d9be630290165b987f9
SHA512

427deb5daa82b1e92f22b921944549ebc176b2ca8661e7fe0c77b2d77e2ed537b85f64373d0cec44390f3fb8583fe1e3c307c7de963671e8cf5841687248ffae
SSDEEP

6144:+dGT6MDdbICydeBfwm+CcPN8ZevarImI1D0sza:+dsom+CcV8fu1DVa

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1164891015933612082/Ol42sD8SDrB7wVefz8II7IFXtGKM6cRwW0ttrACgGEz1zA8ex_BzfKkV9EbrWvDHDbWj

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

Processes:

flow ioc

2 freegeoip.app
1 freegeoip.app
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

vlc.exe

pid process

3376 vlc.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Insidious.exe

pid process

3928 Insidious.exe
3928 Insidious.exe
3928 Insidious.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

vlc.exe

pid process

3376 vlc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description pid process

Token: SeDebugPrivilege 3928 Insidious.exe
Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

vlc.exe

pid process

3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
Suspicious use of SendNotifyMessage 8 IoCs

Processes:

vlc.exe

pid process

3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
3376 vlc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vlc.exe

pid process

3376 vlc.exe

flow	ioc
2	freegeoip.app
1	freegeoip.app

pid	process
3376	vlc.exe

pid	process
3928	Insidious.exe
3928	Insidious.exe
3928	Insidious.exe

pid	process
3376	vlc.exe

description	pid	process
Token: SeDebugPrivilege	3928	Insidious.exe

pid	process
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe

pid	process
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe
3376	vlc.exe

pid	process
3376	vlc.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
PID:3928

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SuspendUnpublish.M2T"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:3376

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/3376-36-0x00007FF7F2990000-0x00007FF7F2A88000-memory.dmp

Filesize
992KB

Download
memory/3376-37-0x00007FFB7EB70000-0x00007FFB7EBA4000-memory.dmp

Filesize
208KB

Download
memory/3376-38-0x00007FFB7E410000-0x00007FFB7E6C4000-memory.dmp

Filesize
2.7MB

Download
memory/3376-39-0x00007FFB6DE90000-0x00007FFB6EF3B000-memory.dmp

Filesize
16.7MB

Download
memory/3376-40-0x00007FFB71C90000-0x00007FFB71DA2000-memory.dmp

Filesize
1.1MB

Download
memory/3928-0-0x0000025075EE0000-0x0000025075F32000-memory.dmp

Filesize
328KB

Download
memory/3928-21-0x00007FFB6F190000-0x00007FFB6FB7C000-memory.dmp

Filesize
9.9MB

Download
memory/3928-22-0x0000025077CB0000-0x0000025077CC0000-memory.dmp

Filesize
64KB

Download
memory/3928-23-0x00007FFB6F190000-0x00007FFB6FB7C000-memory.dmp

Filesize
9.9MB

Download