44caliber | dd60d316ef472c3ef62493b316b46255f42730ef2d8f124533e3917027780312

Analysis

max time kernel
104s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2025, 02:01

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General

Target

1e72a9db792b1faa8009ccd252d261de.exe
Size

2.1MB
MD5

1e72a9db792b1faa8009ccd252d261de
SHA1

cd449a868e9e2d5801d385e2c49aa19a67a6fd00
SHA256

dd60d316ef472c3ef62493b316b46255f42730ef2d8f124533e3917027780312
SHA512

400d3f24a941f7848ac80a53d31e29edd5c244779c0571d3a055de8e336dbd46e15a61ffd775487bcca0e03a5407b457e145da2617cd596ebca2401802d5fca1
SSDEEP

24576:xALaiyQh8LwQGTv5fTU5eY3w8hih7ymAyVlpxbiL/90a0OxaHlnJO8gDh5am:xAyI8DGj5Y8n8PkbNXnJqN

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1328443348104515634/LQkwHvZ5wgKz-NuXgc2vsxbqUucIFN9w5eOlOXBKfXJDOLaOJg5AXeztsablYQxwk5D3

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber

Executes dropped EXE 1 IoCs

pid	Process
3892	decrypted.exe

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

Looks up external IP address via web service 2 IoCs

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

flow	ioc
1	freegeoip.app
2	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	decrypted.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	decrypted.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3892	decrypted.exe
3892	decrypted.exe
3892	decrypted.exe
3892	decrypted.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	decrypted.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3892	4836	1e72a9db792b1faa8009ccd252d261de.exe	89
PID 4836 wrote to memory of 3892	4836	1e72a9db792b1faa8009ccd252d261de.exe	89

C:\Users\Admin\AppData\Local\Temp\1e72a9db792b1faa8009ccd252d261de.exe
"C:\Users\Admin\AppData\Local\Temp\1e72a9db792b1faa8009ccd252d261de.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Local\Temp\decrypted.exe
  C:\Users\Admin\AppData\Local\Temp/decrypted.exe
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3892

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\decrypted.exe

Filesize
274KB

MD5
87c8398705c4db39e23971e1777b75f5

SHA1
e36ff9bd2936c613201409705be1ca2bb88d2852

SHA256
16efb9f03e55934143a9dd998aa207ec4d36d1a73508915b7b886585dcfe5863

SHA512
2e57f7bf63e290db6ed8b62f1161d9cb9b1cbc00f974c2a4b0bf150a9906ba6611b07386d4f6440422eed1fb8b4dcfc97683706dcdb41d8a4f93f558d1418c70

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
47027bdd3bf0d0bf6a00fc96187ee8eb

SHA1
516c483e044b35338a59861798f68b38854256f7

SHA256
a0e246e4745163c0b3e62403d5ef6a25e4c9d3b137081da9574bc80e378c5354

SHA512
1fbd2a9b0db7c6ee9c08a72556f8e5369ae41278bdbaf64807005f3cbbdfcff62a7e45f17ef516b9b0344d1207fa5d7cde93198df25f02d7e8a9591325be81e5

Download Submit
memory/3892-5-0x00007FFED6233000-0x00007FFED6235000-memory.dmp

Filesize
8KB

Download
memory/3892-4-0x000001F3C7E20000-0x000001F3C7E6A000-memory.dmp

Filesize
296KB

Download
memory/3892-34-0x00007FFED6230000-0x00007FFED6CF1000-memory.dmp

Filesize
10.8MB

Download
memory/3892-127-0x000001F3E2590000-0x000001F3E2739000-memory.dmp

Filesize
1.7MB

Download
memory/3892-128-0x00007FFED6230000-0x00007FFED6CF1000-memory.dmp

Filesize
10.8MB

Download