44caliber | c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2023 18:49

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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

13 freegeoip.app
15 freegeoip.app

flow	ioc
13	freegeoip.app
15	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

3068 SPYGAME.exe
3068 SPYGAME.exe
3068 SPYGAME.exe
3068 SPYGAME.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SPYGAME.exe

description pid process

Token: SeDebugPrivilege 3068 SPYGAME.exe

pid	process
3068	SPYGAME.exe
3068	SPYGAME.exe
3068	SPYGAME.exe
3068	SPYGAME.exe

description	pid	process
Token: SeDebugPrivilege	3068	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:3068

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\Roaming\44\Process.txt
Filesize
731B

MD5
99bb4c17930d96ff12a3f4a8fec8bff0

SHA1
9f4904eb7184689c2b3dc6c41ce489fe70d99a79

SHA256
f35e9ebac6eefeacc07b224a08bd3027b976d984605f1774603b0d3939a8f359

SHA512
fec43a428a25d298a68abe1874a41971a4e0b78a93e12cb026817c56a61c52f963c006bf84c524158b58717e87c7f88776caebc5c683d6e6470743109759ce05

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
731B

MD5
99bb4c17930d96ff12a3f4a8fec8bff0

SHA1
9f4904eb7184689c2b3dc6c41ce489fe70d99a79

SHA256
f35e9ebac6eefeacc07b224a08bd3027b976d984605f1774603b0d3939a8f359

SHA512
fec43a428a25d298a68abe1874a41971a4e0b78a93e12cb026817c56a61c52f963c006bf84c524158b58717e87c7f88776caebc5c683d6e6470743109759ce05

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
1KB

MD5
97c466a6da5ebdb6c3a596b8d5e609a8

SHA1
6bd956e01bea34a564a1df051cb0df38ed49276e

SHA256
33573168e2e205ebfd8ef6bfbde6bd565a5c21510525b5ea8ea019fd9e46f4b9

SHA512
9148f2f096737f595bbaf963721810fc6fc55c45dea8b87d9055eed960dfb96ad132c33be258fe2b8c0b862a02552768fd45cad02da763c8b210498f5b01121e

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
1KB

MD5
97c466a6da5ebdb6c3a596b8d5e609a8

SHA1
6bd956e01bea34a564a1df051cb0df38ed49276e

SHA256
33573168e2e205ebfd8ef6bfbde6bd565a5c21510525b5ea8ea019fd9e46f4b9

SHA512
9148f2f096737f595bbaf963721810fc6fc55c45dea8b87d9055eed960dfb96ad132c33be258fe2b8c0b862a02552768fd45cad02da763c8b210498f5b01121e

Download Submit
memory/3068-0-0x00000266716F0000-0x000002667173A000-memory.dmp

Filesize
296KB

Download
memory/3068-30-0x00007FFDAE870000-0x00007FFDAF331000-memory.dmp

Filesize
10.8MB

Download
memory/3068-33-0x0000026671B30000-0x0000026671B40000-memory.dmp

Filesize
64KB

Download
memory/3068-122-0x00007FFDAE870000-0x00007FFDAF331000-memory.dmp

Filesize
10.8MB

Download