44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
145s
max time network
151s
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 00:49

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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

7 freegeoip.app
8 freegeoip.app

flow	ioc
7	freegeoip.app
8	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

4796 SPYGAME.exe
4796 SPYGAME.exe
4796 SPYGAME.exe
4796 SPYGAME.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.exe

description pid process

Token: SeDebugPrivilege 4796 SPYGAME.exe

pid	process
4796	SPYGAME.exe
4796	SPYGAME.exe
4796	SPYGAME.exe
4796	SPYGAME.exe

description	pid	process
Token: SeDebugPrivilege	4796	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:4796

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:\ProgramData\44\Process.txt
Filesize
1KB

MD5
26fd39a0b2a84ef1159136003b85899c

SHA1
9d7f87eb52c30e98fb632c7e5da7c2f255c52973

SHA256
f96afafc6623be7ed83fd11f098e586261615134131c3593959fe0aaa9c3ccc7

SHA512
1ad11fbb754fa5d5eea923367eda08af6651cda795e91e0bf16667e07b46a7868b2896472066e895b1e3ff3352b21870b7f65cc2c57396a5bf1c329e6adad066

Download Submit
memory/4796-0-0x000001F3BE770000-0x000001F3BE7BA000-memory.dmp

Filesize
296KB

Download
memory/4796-31-0x00007FFA170D0000-0x00007FFA17B91000-memory.dmp

Filesize
10.8MB

Download
memory/4796-32-0x000001F3D8D30000-0x000001F3D8D40000-memory.dmp

Filesize
64KB

Download
memory/4796-34-0x00007FFA170D0000-0x00007FFA17B91000-memory.dmp

Filesize
10.8MB

Download
memory/4796-35-0x000001F3DA060000-0x000001F3DA209000-memory.dmp

Filesize
1.7MB

Download
memory/4796-122-0x000001F3D8D30000-0x000001F3D8D40000-memory.dmp

Filesize
64KB

Download
memory/4796-125-0x000001F3DA060000-0x000001F3DA209000-memory.dmp

Filesize
1.7MB

Download
memory/4796-126-0x00007FFA170D0000-0x00007FFA17B91000-memory.dmp

Filesize
10.8MB

Download