44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 00:49

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General

Target

SPYGAME.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

4 freegeoip.app
5 freegeoip.app

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

Processes:

SPYGAME.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

SPYGAME.exe

pid process

2244 SPYGAME.exe
2244 SPYGAME.exe
2244 SPYGAME.exe
2244 SPYGAME.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.exe

description pid process

Token: SeDebugPrivilege 2244 SPYGAME.exe

pid	process
2244	SPYGAME.exe
2244	SPYGAME.exe
2244	SPYGAME.exe
2244	SPYGAME.exe

description	pid	process
Token: SeDebugPrivilege	2244	SPYGAME.exe

C:\Users\Admin\AppData\Local\Temp\SPYGAME.exe
"C:\Users\Admin\AppData\Local\Temp\SPYGAME.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244

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
372B

MD5
e9c4c1dcb95087bd35d77f8b048aa963

SHA1
4c9bc011bbb701b83a27e6c944c948c9b4edada8

SHA256
5b3e534e1ec82c25eef37ffe0406a7a46f6688b35beb5841e05b5cbb2cc10fa9

SHA512
40e9a0751fb801ff43df3b9da6b8e5db6ca80011b9cf8681baf8fd8875dc9fc584a8278b2bdef280767aa4bdc6a33038fc2d4420f23c359a9e8ae29602d81a6d

Download Submit
memory/2244-0-0x00000000008A0000-0x00000000008EA000-memory.dmp

Filesize
296KB

Download
memory/2244-1-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2244-2-0x000000001B160000-0x000000001B1E0000-memory.dmp

Filesize
512KB

Download
memory/2244-49-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download