44caliber | 9e32f2a3e32335a0787dc706e717253486cde7902f0268f6513f84fb20ebd45b

Analysis

max time kernel
1330s
max time network
1151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 12:01

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General

Target

gamesense loader.exe
Size

274KB
MD5

cfbcc27a1f00d7c734f03bb166836c8b
SHA1

500a3e664976fea881997381b0d9b8337adea9ee
SHA256

9e32f2a3e32335a0787dc706e717253486cde7902f0268f6513f84fb20ebd45b
SHA512

d2c5b5b60c5bd0dbcc2359e860be4ce1beec5326d181483d28ab7c71d964bb990bcca5d0592347135bad73961412cf81924687aa85305e58dc8ab0e95e9a0538
SSDEEP

6144:ff+BLtABPDdNF6daduZTjAHUtVU141V6GIeyXuRA1D0C1X:5NQxZTjA0tEY69eyXT1DjX

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/850434657128677426/NKtzHjpXTc8DWd5W7crWJQCaeVPSDZfP98WZ2JMx4BYhJfWt9hwb4ZsH-AtwJO41HgKu

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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.

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3000	gamesense loader.exe
3000	gamesense loader.exe
3000	gamesense loader.exe
3000	gamesense loader.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	gamesense loader.exe

C:\Users\Admin\AppData\Local\Temp\gamesense loader.exe
"C:\Users\Admin\AppData\Local\Temp\gamesense loader.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3000

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\Roaming\44\Process.txt

Filesize
1KB

MD5
8056edd36ca7fe58b0618b071be4bbd9

SHA1
6498904028229a5d24eb5d1c947efc5aebfdb6fe

SHA256
895360239f5d2d819ddbe6fc00d71ae95ba1a59889acd00bbcc40206dd063364

SHA512
c4f18a03d114c09197706cf5836f20c66304129627446f07f095c65d2667215fb47ead693c4d9d02e5ccccbc73206940b92eb7d69f921671d0bf756c7ace6874

Download Submit
memory/3000-0-0x00007FFB5CC93000-0x00007FFB5CC95000-memory.dmp

Filesize
8KB

Download
memory/3000-1-0x0000000000890000-0x00000000008DA000-memory.dmp

Filesize
296KB

Download
memory/3000-31-0x00007FFB5CC90000-0x00007FFB5D751000-memory.dmp

Filesize
10.8MB

Download
memory/3000-120-0x00007FFB5CC90000-0x00007FFB5D751000-memory.dmp

Filesize
10.8MB

Download