44caliber | 66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-uk
resource tags

arch:x64arch:x86image:win10v2004-20240802-uklocale:uk-uaos:windows10-2004-x64systemwindows
submitted
18-08-2024 09:53

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General

Target

Inject.exe
Size

303KB
MD5

f5a2f1da8fcc5e51cc8eec426fa3e545
SHA1

da3c79d8d5e6584d3adbd71912291d18681ee109
SHA256

66c68a3d95d231010e91deed9676b68a529955d8cd44e41fd6dc55a19143acb9
SHA512

ea3f4b03b149f97e500679d0667b5c1c7b66db242ef27c8520f4b86a5e706ca8424d49ec154cebe90ec1643bbe1a4c5f5e82261ec5f77137e408e8428bc13ec9
SSDEEP

6144:HtBuT6MDdbICydeBPKqCBu19FsN6LmA1D0CKU:HtaSqCBu/Few1DUU

Score

10^/10

44caliber credential_access spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1259819169050923028/FgFc46vkD5YoeeRf3p_mErGG96JCipzz-kU6-Gb301GlKvAaNpgaDswVn7i9JLTzy5-c

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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

3 freegeoip.app
4 freegeoip.app
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Inject.exe

pid process

1444 Inject.exe
1444 Inject.exe
1444 Inject.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Inject.exe

description pid process

Token: SeDebugPrivilege 1444 Inject.exe

flow	ioc
3	freegeoip.app
4	freegeoip.app

pid	process
1444	Inject.exe
1444	Inject.exe
1444	Inject.exe

description	pid	process
Token: SeDebugPrivilege	1444	Inject.exe

C:\Users\Admin\AppData\Local\Temp\Inject.exe
"C:\Users\Admin\AppData\Local\Temp\Inject.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1444

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1444-0-0x00007FF877AB3000-0x00007FF877AB5000-memory.dmp

Filesize
8KB

Download
memory/1444-1-0x00000190B91F0000-0x00000190B9242000-memory.dmp

Filesize
328KB

Download
memory/1444-28-0x00007FF877AB0000-0x00007FF878571000-memory.dmp

Filesize
10.8MB

Download
memory/1444-33-0x00007FF877AB0000-0x00007FF878571000-memory.dmp

Filesize
10.8MB

Download