44caliber | b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb

Analysis

max time kernel
142s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 freegeoip.app
10 freegeoip.app

flow	ioc
9	freegeoip.app
10	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
1152	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1152	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1152	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe
1152	b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description pid process

Token: SeDebugPrivilege 1152 b1182007e714621a5ecbfd6fbe486889cd16c2099eea069ab787b8edeade1cdb.exe

description	pid	process
Token: SeDebugPrivilege	1152	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:1152

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
1KB

MD5
772d4879451000e3f9cfde39499035c0

SHA1
1b56e6b84c6f958672cbdf652d1a0be904a5bbad

SHA256
32333b479e058c933ecf14fb7b9fe1a26e32599dbf054637888f5dcde3934b57

SHA512
c3707ae51ceaf3a3515f2ee4cf87adba6932626060a93ae17a660cca1d155575c5b9f04758a2d60b99239b96488a559bb306303ea1c8c5529ff72ba5077f8ca6

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

Filesize
1KB

MD5
772d4879451000e3f9cfde39499035c0

SHA1
1b56e6b84c6f958672cbdf652d1a0be904a5bbad

SHA256
32333b479e058c933ecf14fb7b9fe1a26e32599dbf054637888f5dcde3934b57

SHA512
c3707ae51ceaf3a3515f2ee4cf87adba6932626060a93ae17a660cca1d155575c5b9f04758a2d60b99239b96488a559bb306303ea1c8c5529ff72ba5077f8ca6

Download Submit
memory/1152-0-0x00000178264B0000-0x00000178264FA000-memory.dmp

Filesize
296KB

Download
memory/1152-32-0x0000017840B90000-0x0000017840BA0000-memory.dmp

Filesize
64KB

Download
memory/1152-31-0x00007FFA258D0000-0x00007FFA26391000-memory.dmp

Filesize
10.8MB

Download
memory/1152-123-0x00007FFA258D0000-0x00007FFA26391000-memory.dmp

Filesize
10.8MB

Download