44caliber | 22fc72bf7944d527de7b6c86417ffce23c08d98137160db3a25898012c26e359

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 23:15

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General

Target

44ae03fe50c0375bcaf2d8636daa6d2e.exe
Size

673KB
MD5

44ae03fe50c0375bcaf2d8636daa6d2e
SHA1

a66fb6c4377966296d623351b54f5e2dd330b568
SHA256

22fc72bf7944d527de7b6c86417ffce23c08d98137160db3a25898012c26e359
SHA512

a3857393e7d7e29db751207d7c762a592d178e414ae0427534d553a552d382bf5881ff4e0a1766d6e8f36027c4b97b2a384699ba25a0c81afb3627c496558a41
SSDEEP

12288:7eGZYm7ds6GikjPZ695jzC1owCmS4r9Wge8sHT:7eGZYb6HwPM95jeo7P4hWjT

Score

10^/10

44caliber zgrat rat spyware stealer

Malware Config

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/2516-0-0x00000000008C0000-0x000000000096E000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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
4	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	44ae03fe50c0375bcaf2d8636daa6d2e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	44ae03fe50c0375bcaf2d8636daa6d2e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2516	44ae03fe50c0375bcaf2d8636daa6d2e.exe
2516	44ae03fe50c0375bcaf2d8636daa6d2e.exe
2516	44ae03fe50c0375bcaf2d8636daa6d2e.exe
2516	44ae03fe50c0375bcaf2d8636daa6d2e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	44ae03fe50c0375bcaf2d8636daa6d2e.exe

C:\Users\Admin\AppData\Local\Temp\44ae03fe50c0375bcaf2d8636daa6d2e.exe
"C:\Users\Admin\AppData\Local\Temp\44ae03fe50c0375bcaf2d8636daa6d2e.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516

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:\Users\Admin\AppData\Local\44\Process.txt

Filesize
1KB

MD5
2aea7f79e7ff21da6afb7e59453863d8

SHA1
35a588e22da6237d00b3b9a04920bb6ebbc1f64d

SHA256
fa83d6bf01be296c6ee54500697e35a48f4d5a57cb4193a7ecc8c1ed79885fb7

SHA512
0c78f8ca46a407e6a623178ad0bf3bb5d55f79d87116f1ee5a2c68e4c09c065a888fc621d762759cdbe83d0caf1747ffe5e54708e5a11f1a04bd939e54adb966

Download Submit
memory/2516-0-0x00000000008C0000-0x000000000096E000-memory.dmp

Filesize
696KB

Download
memory/2516-30-0x00007FFD7D370000-0x00007FFD7DE31000-memory.dmp

Filesize
10.8MB

Download
memory/2516-31-0x000000001B770000-0x000000001B780000-memory.dmp

Filesize
64KB

Download
memory/2516-124-0x00007FFD7D370000-0x00007FFD7DE31000-memory.dmp

Filesize
10.8MB

Download