44caliber | b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
05-12-2023 06:49

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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

2 freegeoip.app

flow	ioc
2	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
2940	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
2940	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
2940	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
2940	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description pid process

Token: SeDebugPrivilege 2940 b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description	pid	process
Token: SeDebugPrivilege	2940	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:2940

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

Replay Monitor

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Downloads

C:\ProgramData\44\Process.txt

Filesize
87B

MD5
cb6374f746ee433856232e375dc02ca1

SHA1
bbb7644e70311e46768589c589f3696f962b7896

SHA256
c68f7a2fe853811a59cfea517da68505394636cba4b79bbca62f0d2fd6c2e94b

SHA512
befff90585b4044b478573603e8fae6a5306c4d18a3b60bb37b10b9606b9b0b98fbbf71bc25f84b473947566ff2ea3d8409f61ad34eed1fd288cbbff7881b1f1

Download Submit
C:\ProgramData\44\Process.txt

Filesize
429B

MD5
248eb1a4b02560b59e6e731e881a36ce

SHA1
39c2769ab7c44a98b19901b43690fe0f2b550f07

SHA256
ce965674830070376b63b87f9c08a0918d56bb132fe87e5a6645f1e97bb7434f

SHA512
c303674813542d865e1cd9f227bf76d48e85d66e66b8d26d30f8fc758ad96a8976bc8497c0dc49582bb3c9c9c40eee33e2f721db8bd18f6b8635f3e532c77452

Download Submit
C:\ProgramData\44\Process.txt

Filesize
429B

MD5
248eb1a4b02560b59e6e731e881a36ce

SHA1
39c2769ab7c44a98b19901b43690fe0f2b550f07

SHA256
ce965674830070376b63b87f9c08a0918d56bb132fe87e5a6645f1e97bb7434f

SHA512
c303674813542d865e1cd9f227bf76d48e85d66e66b8d26d30f8fc758ad96a8976bc8497c0dc49582bb3c9c9c40eee33e2f721db8bd18f6b8635f3e532c77452

Download Submit
memory/2940-0-0x0000000000850000-0x000000000089A000-memory.dmp

Filesize
296KB

Download
memory/2940-2-0x000000001B410000-0x000000001B490000-memory.dmp

Filesize
512KB

Download
memory/2940-1-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

Filesize
9.9MB

Download
memory/2940-48-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

Filesize
9.9MB

Download