44caliber | b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05-12-2023 17:22

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General

Target

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
Size

274KB
MD5

57ccf63a7e54b14239f13b49c90c6624
SHA1

dad4d1a51104b449f5c68d6e367c1e330c3d689b
SHA256

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb
SHA512

4061844766b440f483bce85e900e1e121780eb57e7b47d7a13ddcd34c48de02bd9c55fc2350174e3efeeccecb6505d112feac8c8049414857e6f1d5fb90ef271
SSDEEP

6144:uf+BLtABPDM5pPTgxWGomsXSb6WtafTy8lI1D0lvP:R57hmsXS6Yx1DSP

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1180235571138936842/0LJ571UFuTLaKpO7KBs12_uE0OnG-UkEHb7l8uaUnAlrrOyMv1lU6nnxKlX7bg-fad7L

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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 freegeoip.app

flow	ioc
4	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:

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

pid	process
1788	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1788	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1788	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1788	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description pid process

Token: SeDebugPrivilege 1788 b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description	pid	process
Token: SeDebugPrivilege	1788	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

C:\Users\Admin\AppData\Local\Temp\b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
"C:\Users\Admin\AppData\Local\Temp\b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788

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:\ProgramData\44\Process.txt

Filesize
245B

MD5
72414d3151869e3b0cf08be9c72dcf22

SHA1
3c29ee48da08d3c8bbdeb45b0344ab6839747393

SHA256
3cdf9c7784d741fb4ac831aa003391912a9b1da3070c662003f340ee24f83e50

SHA512
957324c11e6a1f11d6c731a20c0239f1b9e0890245c86c3ec055a21f80dc4b019e8e3e139338e3c28085090ffb51e2a8f32599ad20f38fc2d1b9a3ef91e85824

Download Submit
memory/1788-0-0x0000000000D70000-0x0000000000DBA000-memory.dmp

Filesize
296KB

Download
memory/1788-1-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download
memory/1788-2-0x0000000000B90000-0x0000000000C10000-memory.dmp

Filesize
512KB

Download
memory/1788-49-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp

Filesize
9.9MB

Download