44caliber | c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
01-03-2022 18:13

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General

Target

c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
Size

274KB
MD5

5d3d4afde93c6324c9809216b9abe59e
SHA1

8fce953f0fd66ac17a4863363f51900436e8c4b1
SHA256

c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16
SHA512

b38fa09b4f558d725210fb6b68fd057f1f7c3d3c6152e1dbf6f4e8423947b8cf240780d635a610f9d4924be17f1bfbcf61d95fc97d7237716de0dbc6a49e0351

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/934355069707632650/hyRrt61MYA7c28dna-Ut-5vdx9SFhuIF4DtPfr4D2euROzHDvZidTGp3k0E9xTPSm2kN

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

6 freegeoip.app
7 freegeoip.app

flow	ioc
6	freegeoip.app
7	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:

c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

pid	process
1708	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
1708	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
1708	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
1708	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

description pid process

Token: SeDebugPrivilege 1708 c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

description	pid	process
Token: SeDebugPrivilege	1708	c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe

C:\Users\Admin\AppData\Local\Temp\c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe
"C:\Users\Admin\AppData\Local\Temp\c2c088a08dc0e9eb10547ab1410ef700a1e10c4e72f2510fb0e24e9d17eaee16.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708

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/1708-130-0x0000000000C30000-0x0000000000C7A000-memory.dmp

Filesize
296KB

Download
memory/1708-131-0x00007FFA9E353000-0x00007FFA9E355000-memory.dmp

Filesize
8KB

Download
memory/1708-132-0x0000000002D70000-0x0000000002D72000-memory.dmp

Filesize
8KB

Download