44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
240s
max time network
284s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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

5 freegeoip.app
4 freegeoip.app

flow	ioc
5	freegeoip.app
4	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

2800 SPYGAME.bin.exe
2800 SPYGAME.bin.exe
2800 SPYGAME.bin.exe
2800 SPYGAME.bin.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.bin.exe

description pid process

Token: SeDebugPrivilege 2800 SPYGAME.bin.exe

pid	process
2800	SPYGAME.bin.exe
2800	SPYGAME.bin.exe
2800	SPYGAME.bin.exe
2800	SPYGAME.bin.exe

description	pid	process
Token: SeDebugPrivilege	2800	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:2800

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2800-0-0x000007FEF5740000-0x000007FEF612C000-memory.dmp

Filesize
9.9MB

Download
memory/2800-1-0x0000000000FE0000-0x000000000102A000-memory.dmp

Filesize
296KB

Download
memory/2800-2-0x000000001B280000-0x000000001B300000-memory.dmp

Filesize
512KB

Download
memory/2800-48-0x000007FEF5740000-0x000007FEF612C000-memory.dmp

Filesize
9.9MB

Download
memory/2800-49-0x000000001B280000-0x000000001B300000-memory.dmp

Filesize
512KB

Download
memory/2800-51-0x000007FEF5740000-0x000007FEF612C000-memory.dmp

Filesize
9.9MB

Download