44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
23-09-2023 18:45

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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.

flow	ioc
2	freegeoip.app
3	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

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

pid	Process
2220	SPYGAME.bin.exe
2220	SPYGAME.bin.exe
2220	SPYGAME.bin.exe
2220	SPYGAME.bin.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	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:2220

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:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
391B

MD5
8ff64fd8c1a17eaae8e55dddbc71edd3

SHA1
987d5ea894e7169df293f2a61a2d2f313d375207

SHA256
06ab19e15a551a8112600498e43391bded3be0996536ecc6b6ccfc3491b29578

SHA512
6f6dadffe813644d2fb7d89141b7a19530b45590e60eecafffac6f4cea9b006daf42b37dd308c27a9eb750542be1e3803844e8664e4ebbfb4e1dab2a41bfc0ae

Download Submit
memory/2220-0-0x0000000001100000-0x000000000114A000-memory.dmp

Filesize
296KB

Download
memory/2220-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2220-2-0x000000001B080000-0x000000001B100000-memory.dmp

Filesize
512KB

Download
memory/2220-50-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download