44caliber | 8807b5909f1b81254dfd6d62a3c4d590d1330085eaf786f6ff995617f8c5e562

Resubmissions

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 19:06

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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
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	AstraImageLogger.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AstraImageLogger.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4824	AstraImageLogger.exe
4824	AstraImageLogger.exe
4824	AstraImageLogger.exe
4824	AstraImageLogger.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4824	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:4824

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
1KB

MD5
6fe82fb9d66e6eb1e3e171b5b1c1dfa0

SHA1
f8170b861dcd3aa1188a337f1a7953ec830bc7c4

SHA256
9cfd7e84d22ab343bfe25d5c9b67ac5d9201b9050fe32c57be2652f5a80860e6

SHA512
743f211b8b1852157a5101e2bfada8dd8c4731fc492b2a4ef06fdbac11959b99461698392878750083e7f681ea5a6c4f5c54ae5b66b99c22c54a37fcb387555a

Download Submit
C:\ProgramData\44\Process.txt

Filesize
207B

MD5
5184cdbee143cc7e801be4ae1480e023

SHA1
510de33a468333da7a37b32ee1adfacf9b4a943f

SHA256
4c6fe2b56e7227b92377c434838752cf5021a36c4a897c4a8f3dfe69ba84d2eb

SHA512
45f4352decc17fa3ce6d8ae5261abbd3fef90075a5d69d50bb6cef91a87c1abd3ff61a91a92d72168778232687dbc9a6547997e8c42b9b1db590339943859711

Download Submit
C:\ProgramData\44\Process.txt

Filesize
474B

MD5
eb9b1018b479b82e3bdb55442e9b7529

SHA1
d5ef67e1400ef1bd12400c339a26ac48d6943c2e

SHA256
245da53b478eca9d46f3f00e9c573ec33819ac4c97c3600d3cb17adc2d991747

SHA512
171c4bebaee8a91b69254fe0499d30046821de331fe177d8f8898668b685a2e265b4b928011c9634e3ae0ac14f5cb64786a242c5d332aa4d8fd51ec46cade1eb

Download Submit
C:\ProgramData\44\Process.txt

Filesize
489B

MD5
34154d28e7ce47d03e9e648d7dbd8d65

SHA1
bbfc36149fc473b73d6cd335215a416071ed2e38

SHA256
a2eaa1047f01885fc93f1bc0406dc6942d60d30867f569d8b809378a3716f710

SHA512
2eef5ad23f23ed40a50e771fee4350530c41dc0e368f924ab64c5413714c75ee7861cab69c19257bbcc447201e1a877d21574971798b20013afc6554cd1c451b

Download Submit
C:\ProgramData\44\Process.txt

Filesize
781B

MD5
dbbc8afe3719cea018614c49d1ff3a55

SHA1
c9b395a2bd71a29b50b29e25cb44dcec80e681d8

SHA256
6f62fc979d987f547079e3fc68ab1f8f365648e97cef86fe815b1258cc807c16

SHA512
3ca6faabd2a0cca1b6916c019a7bf6bd85a30306c247ab09e187e0d317e35b9ebc7ea84331f466c620ca9ade07eaa43ad175d8c4a1baff7cb320207d46ec6431

Download Submit
C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
c7a518681f555f7871fcf9522c1c7cfc

SHA1
d381a7c0338efb0706f1cf75439d58b643a73ff0

SHA256
721b6b6560ead7496ad48639e47d9085ccdc3606b20a1dc5d410656540b7eb7d

SHA512
686b4309e8c15590102eb005a4fbbfcf3c48e599f0e164fa3858fd3d49f43c7b6194fb7d67f52d893de25fd73b3328fa6f95c7edb7494b756f0086d430d60c6d

Download Submit
memory/4824-0-0x00007FF8589A3000-0x00007FF8589A5000-memory.dmp

Filesize
8KB

Download
memory/4824-1-0x0000022FB1CF0000-0x0000022FB1D3C000-memory.dmp

Filesize
304KB

Download
memory/4824-32-0x00007FF8589A0000-0x00007FF859461000-memory.dmp

Filesize
10.8MB

Download
memory/4824-120-0x0000022FCC4F0000-0x0000022FCC699000-memory.dmp

Filesize
1.7MB

Download
memory/4824-121-0x00007FF8589A0000-0x00007FF859461000-memory.dmp

Filesize
10.8MB

Download