44caliber | 9b64f57a1d8bb73e88ac85d60dd976baf6eef38f41cc54a1bb1fd320b92d1fd2

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 12:10

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General

Target

35b66345f1c3290ca69590beaa4ce3e8.exe
Size

843KB
MD5

35b66345f1c3290ca69590beaa4ce3e8
SHA1

880396d988c3eb62442a6018abb133929fa8bf41
SHA256

9b64f57a1d8bb73e88ac85d60dd976baf6eef38f41cc54a1bb1fd320b92d1fd2
SHA512

e50030bcc7be5e2aaed59d58ac22bb6ab30438e65d0e212a15738653dbc9b723540ebe607fe35530723502d9057e016689f5d659818ba65db4632ec7ca88b390
SSDEEP

12288:vKPJkaflSaldGlCTa87+ttV6sQG3r/p0iEiRYhdtWAAxfr6IwCYeaZIPxSX9Evox:iPJka9trH+tdQabptpbJPq

Score

10^/10

44caliber spyware stealer

Malware Config

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.

flow	ioc
3	freegeoip.app
5	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	35b66345f1c3290ca69590beaa4ce3e8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	35b66345f1c3290ca69590beaa4ce3e8.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3480	35b66345f1c3290ca69590beaa4ce3e8.exe
3480	35b66345f1c3290ca69590beaa4ce3e8.exe
3480	35b66345f1c3290ca69590beaa4ce3e8.exe
3480	35b66345f1c3290ca69590beaa4ce3e8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3480	35b66345f1c3290ca69590beaa4ce3e8.exe

C:\Users\Admin\AppData\Local\Temp\35b66345f1c3290ca69590beaa4ce3e8.exe
"C:\Users\Admin\AppData\Local\Temp\35b66345f1c3290ca69590beaa4ce3e8.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480

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
84dd13510b67e674ec205a539215ef9d

SHA1
fd7b23af1e9882475ac9ccbcb57d0442768e93d9

SHA256
029694053d19f17bccfe5a7916c9ebefafe654e4ddc726880c85e4bec4fef4b5

SHA512
e2a182a2a4326482125c3116e9e8341514fbb64085fb3df2b278342213330281a24a76234f24f879887857502b41159e34bacbf682ea6dc7704bb42fceef8fd3

Download Submit
memory/3480-0-0x0000000000280000-0x000000000035A000-memory.dmp

Filesize
872KB

Download
memory/3480-1-0x00007FFEA6D30000-0x00007FFEA77F1000-memory.dmp

Filesize
10.8MB

Download
memory/3480-2-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3480-3-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/3480-128-0x00007FFEA6D30000-0x00007FFEA77F1000-memory.dmp

Filesize
10.8MB

Download