44caliber | 3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2022 20:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe
Size

303KB
MD5

74a7ff4c9395b44c406ca8e7ed5dee9b
SHA1

9f2a294a86246658dfae747001e551575e8855d9
SHA256

3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876
SHA512

39417987022f08a292cacc47f230db45089c9f92222de407022ae92900ffa13068b3c391881297131f8625347ae088ea0c48279b5d89bbc4d5b6e2a33ad1bf64

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/991370448359149568/RQxL-Wum2YoYSXPZfI3xuNcwtnpuYnQk8G0BlkCMwdJqrQOP34mG0-uNULXiYZDZOObD

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

4 freegeoip.app
5 freegeoip.app
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1368 1560 WerFault.exe 3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

flow	ioc
4	freegeoip.app
5	freegeoip.app

pid	pid_target	process	target process
1368	1560	WerFault.exe	3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

pid	process
1560	3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe
1560	3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe
1560	3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

description pid process

Token: SeDebugPrivilege 1560 3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

description	pid	process
Token: SeDebugPrivilege	1560	3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe

C:\Users\Admin\AppData\Local\Temp\3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe
"C:\Users\Admin\AppData\Local\Temp\3ac95607d654c3a0457075744e46c2277e7be98ddb21f1e4c29a98fa6c562876.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1560

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1560 -s 1628
2⤵
- Program crash
PID:1368

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 1560 -ip 1560
1⤵
PID:4928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1560-132-0x0000022C2EA80000-0x0000022C2EAD2000-memory.dmp

Filesize
328KB

Download
memory/1560-133-0x00007FFC9AB30000-0x00007FFC9B5F1000-memory.dmp

Filesize
10.8MB

Download
memory/1560-134-0x00007FFC9AB30000-0x00007FFC9B5F1000-memory.dmp

Filesize
10.8MB

Download