44caliber | c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015

Analysis

max time kernel
125s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-03-2022 18:13

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General

Target

c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
Size

670KB
MD5

6c91aa94509b1fbf1351b6b601376ced
SHA1

1d201a32c86c47857fa28c4a72eb06430cfdf403
SHA256

c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015
SHA512

71cade36d070cef2f881a8b0275174646ffb3fb853a4283053a3fddf8d9a386b9f392af0588fe99526c64f8db0cefc6dfde8ed3a0ec03f8bc8b4a1f2de36a964

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/935674326005452843/n313_PZZgcgpj4_wtUKbgWkESMf9Tw1q8RyfZ4vXaLdQI1Tu0RDtOvEGux26D8MiKPw4

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

2 freegeoip.app
1 freegeoip.app

flow	ioc
2	freegeoip.app
1	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:

c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

pid	process
1344	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
1344	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
1344	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
1344	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

description pid process

Token: SeDebugPrivilege 1344 c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

description	pid	process
Token: SeDebugPrivilege	1344	c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe

C:\Users\Admin\AppData\Local\Temp\c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe
"C:\Users\Admin\AppData\Local\Temp\c5dacab622f452f91ce005703e0bc6d68ee08817cdc162838a6a78b668ac5015.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1344-133-0x00000000003C0000-0x000000000046C000-memory.dmp

Filesize
688KB

Download
memory/1344-134-0x00007FF81A1B3000-0x00007FF81A1B5000-memory.dmp

Filesize
8KB

Download
memory/1344-135-0x000000001BE10000-0x000000001BE12000-memory.dmp

Filesize
8KB

Download