44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
118s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 00:50

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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

2240 SPYGAME.exe
2240 SPYGAME.exe
2240 SPYGAME.exe
2240 SPYGAME.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.exe

description pid process

Token: SeDebugPrivilege 2240 SPYGAME.exe

pid	process
2240	SPYGAME.exe
2240	SPYGAME.exe
2240	SPYGAME.exe
2240	SPYGAME.exe

description	pid	process
Token: SeDebugPrivilege	2240	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:2240

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

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Downloads

C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
372B

MD5
d1d8935aa5946250a7b14f05e8689e94

SHA1
6c6e4445d02face3876bc2011bd5e6f8a91968e7

SHA256
6381633d9645c06c4fe1cc2bd6511dbe9dd899338511517472b74f5166e1feff

SHA512
d7a3e3770d65613d8b283d7f018a56f6b8c076646d733212bdcd872458be7b72bedac786662e246fddfa6e07f766bcb509a85185e6897b9333458d5d56586af8

Download Submit
memory/2240-0-0x0000000001000000-0x000000000104A000-memory.dmp

Filesize
296KB

Download
memory/2240-1-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download
memory/2240-2-0x000000001AF80000-0x000000001B000000-memory.dmp

Filesize
512KB

Download
memory/2240-49-0x000007FEF6060000-0x000007FEF6A4C000-memory.dmp

Filesize
9.9MB

Download