44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 00:51

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General

Target

SPYGAME.bin.exe
Size

274KB
MD5

e94364b4239eb39286dd3b07a9ea469c
SHA1

95a3fc71b5a4f63e1ce10c163af55b56f168a6f8
SHA256

c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f
SHA512

bb924f1c1f8b851c70d5639abed43ed047452bac62580d060229e7a054d5f1be269e2888a3dfe511b434ac5a785dcf37216c95cffd8baaa9432cd930670acc13
SSDEEP

6144:8f+BLtABPDWlR1ZroWT0Ilb5wqlYeJ6lA1D0wIk:RluK0Ilb5/lYed1DMk

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1101119692103491584/GTMNvMSwfNfgMdtSqTcvjCvj1QDXJYPNxW9vEtgHszOELGeSAQDBrIp9Qf7oWif26BJd

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

11 freegeoip.app
12 freegeoip.app

flow	ioc
11	freegeoip.app
12	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

Processes:

SPYGAME.bin.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	SPYGAME.bin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	SPYGAME.bin.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

SPYGAME.bin.exe

pid process

2812 SPYGAME.bin.exe
2812 SPYGAME.bin.exe
2812 SPYGAME.bin.exe
2812 SPYGAME.bin.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.bin.exe

description pid process

Token: SeDebugPrivilege 2812 SPYGAME.bin.exe

pid	process
2812	SPYGAME.bin.exe
2812	SPYGAME.bin.exe
2812	SPYGAME.bin.exe
2812	SPYGAME.bin.exe

description	pid	process
Token: SeDebugPrivilege	2812	SPYGAME.bin.exe

C:\Users\Admin\AppData\Local\Temp\SPYGAME.bin.exe
"C:\Users\Admin\AppData\Local\Temp\SPYGAME.bin.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2812

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\44\Process.txt

Filesize
1KB

MD5
a6d3685336500f81a59eec7a4edb99bf

SHA1
427d0a92d9745f67f26d0018cfdc5a39cca6bb08

SHA256
103500a6e31f4ca058b381398d98379a43cd52fc0ee6cd00b04babcbd10531b9

SHA512
adb21f6f5ab765138c5dddce8d82635a8d7313651bcfa2a0c96fc76b7cda7646dd99cd2aa2a6275f18272df10203fd0d3a9c057cc5b353e65d14cd75a39c40a2

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

Filesize
1KB

MD5
a6d3685336500f81a59eec7a4edb99bf

SHA1
427d0a92d9745f67f26d0018cfdc5a39cca6bb08

SHA256
103500a6e31f4ca058b381398d98379a43cd52fc0ee6cd00b04babcbd10531b9

SHA512
adb21f6f5ab765138c5dddce8d82635a8d7313651bcfa2a0c96fc76b7cda7646dd99cd2aa2a6275f18272df10203fd0d3a9c057cc5b353e65d14cd75a39c40a2

Download Submit
memory/2812-0-0x000001BF06000000-0x000001BF0604A000-memory.dmp

Filesize
296KB

Download
memory/2812-32-0x00007FFB76B40000-0x00007FFB77601000-memory.dmp

Filesize
10.8MB

Download
memory/2812-33-0x000001BF20600000-0x000001BF20610000-memory.dmp

Filesize
64KB

Download
memory/2812-34-0x00007FFB76B40000-0x00007FFB77601000-memory.dmp

Filesize
10.8MB

Download
memory/2812-123-0x000001BF20600000-0x000001BF20610000-memory.dmp

Filesize
64KB

Download
memory/2812-126-0x00007FFB76B40000-0x00007FFB77601000-memory.dmp

Filesize
10.8MB

Download