44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
121s
max time network
171s
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 00:50

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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

19 freegeoip.app
21 freegeoip.app

flow	ioc
19	freegeoip.app
21	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

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

Processes:

SPYGAME.exe

description pid process

Token: SeDebugPrivilege 900 SPYGAME.exe

pid	process
900	SPYGAME.exe
900	SPYGAME.exe
900	SPYGAME.exe
900	SPYGAME.exe

description	pid	process
Token: SeDebugPrivilege	900	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:900

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
741B

MD5
cc24cd77e123bc79e02964e72cbe500b

SHA1
abe53023e03d35814b427b144a900d16b255d0aa

SHA256
ef6deb3c6b29e8969a18a0437971fe17657f0412b05343cec74fda725af71c95

SHA512
4a26a2bcf7d60b0943b0ac1ae39791cfeabb3e93dc2f911daeee3b2da9352692c5abdbeaa9b04b74252b2026908c927bc75883bab85b1c75d0fc47ffd32e0a62

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
28c34bedbc07cccd7116f2875be6bbfb

SHA1
deeda07cfc20195105d98dcff24dae7d0c4b376f

SHA256
9e76b12fe194d9f1eec42866553da38bd55e0f46ae4be63e4685fbbb7cbe5b76

SHA512
b48fd241293c615f05093957b699afc292c61b9cbf6d6c7b99ec6a9c51b0eb975111c7f248c2cc5d046451c31592ab3f6fa5e4594dc67365ac8eded9b0362d11

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
1KB

MD5
28c34bedbc07cccd7116f2875be6bbfb

SHA1
deeda07cfc20195105d98dcff24dae7d0c4b376f

SHA256
9e76b12fe194d9f1eec42866553da38bd55e0f46ae4be63e4685fbbb7cbe5b76

SHA512
b48fd241293c615f05093957b699afc292c61b9cbf6d6c7b99ec6a9c51b0eb975111c7f248c2cc5d046451c31592ab3f6fa5e4594dc67365ac8eded9b0362d11

Download Submit
memory/900-0-0x0000028E881E0000-0x0000028E8822A000-memory.dmp

Filesize
296KB

Download
memory/900-5-0x00007FFA9C3A0000-0x00007FFA9CE61000-memory.dmp

Filesize
10.8MB

Download
memory/900-6-0x0000028E89F10000-0x0000028E89F20000-memory.dmp

Filesize
64KB

Download
memory/900-122-0x00007FFA9C3A0000-0x00007FFA9CE61000-memory.dmp

Filesize
10.8MB

Download