44caliber | 8807b5909f1b81254dfd6d62a3c4d590d1330085eaf786f6ff995617f8c5e562

Resubmissions

Analysis

max time kernel
5s
max time network
6s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
19-02-2025 19:24

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General

Target

AstraImageLogger.exe
Size

275KB
MD5

a3696dd072443ecb27c0c7f12a14b61f
SHA1

7525f55b0015b8ae66452c3ef143c18325ff9bd0
SHA256

8807b5909f1b81254dfd6d62a3c4d590d1330085eaf786f6ff995617f8c5e562
SHA512

aaba4ed34e31592ecf3f6c408a89aff88891d6ca9dcd3b8073f84ac6371ef7626e0d6783cf23fcfd7b055944c1a739cc64543986bc4cb4a95ba96def5af8a6ed
SSDEEP

6144:zf+BLtABPDwnBoKVjuGHm0uu4zblYeJ7lA1D03v9:AnXjm0uu4/lYeM1De9

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1067305012188958802/Toi3qZ0OM4SmK4Z6bWOUhNfyduj98KvQjF8a_1cAjycHP2nSnt94ILWCXAZ6BeViBqUy

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
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
4	freegeoip.app
5	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	AstraImageLogger.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AstraImageLogger.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2608	AstraImageLogger.exe
2608	AstraImageLogger.exe
2608	AstraImageLogger.exe
2608	AstraImageLogger.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	AstraImageLogger.exe

C:\Users\Admin\AppData\Local\Temp\AstraImageLogger.exe
"C:\Users\Admin\AppData\Local\Temp\AstraImageLogger.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608

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:\ProgramData\44\Process.txt

Filesize
442B

MD5
598a808324fd7e170277064acff769dd

SHA1
604f551dffa2a299a4df2581cd5b0562ccd8a85e

SHA256
e78692bc2ce1ed6377d98f6f5688de820edf754f0abb6c6fb4774482bcc35b77

SHA512
dfc9ab3470701fc6e198367bf786c03ce091ecdcd9b4145ddbb9c36b08a7f0dde697077271309f1eacf37dddd03261b318859beea4ea1b64ee3ec77bb7846f36

Download Submit
memory/2608-0-0x000007FEF5F43000-0x000007FEF5F44000-memory.dmp

Filesize
4KB

Download
memory/2608-1-0x0000000000CD0000-0x0000000000D1C000-memory.dmp

Filesize
304KB

Download
memory/2608-20-0x000007FEF5F40000-0x000007FEF692C000-memory.dmp

Filesize
9.9MB

Download
memory/2608-53-0x000007FEF5F40000-0x000007FEF692C000-memory.dmp

Filesize
9.9MB

Download