44caliber | b356d0dfecf39874a2bbbe4cae33f580d91a8991860df23314f35950f574485c

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 06:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

117b28e18c3cdee58cee6f5b4c6b708b.exe
Size

1.2MB
MD5

117b28e18c3cdee58cee6f5b4c6b708b
SHA1

bf3f7cf88712b01a8123d3836bf19f25b17a70ec
SHA256

b356d0dfecf39874a2bbbe4cae33f580d91a8991860df23314f35950f574485c
SHA512

3a2331e1f7266a262e308eab726ee43127631c7348e7931186d13f54577abb1a18a92d6a6664dc69a9cbe9098914bd0e6173d1adc634a545b9c87b3bedd600ea
SSDEEP

24576:8Shu0Xd9baM1zjL0KfafjvjZLJNWttqmO96tY:8SL7VUfjJWttlO9IY

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/859014405580783637/J-rOLcLQORAp4rSIpre0H46Lhmzd8QK1hgRFNA4mqYSEz6dtJRq9HsK-id725NgqZTvK

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
2	freegeoip.app
3	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe

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	117b28e18c3cdee58cee6f5b4c6b708b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	117b28e18c3cdee58cee6f5b4c6b708b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1940	117b28e18c3cdee58cee6f5b4c6b708b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1940	117b28e18c3cdee58cee6f5b4c6b708b.exe

C:\Users\Admin\AppData\Local\Temp\117b28e18c3cdee58cee6f5b4c6b708b.exe
"C:\Users\Admin\AppData\Local\Temp\117b28e18c3cdee58cee6f5b4c6b708b.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1940

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

Loading Replay Monitor...

Downloads

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

Filesize
397B

MD5
4e177750be99f164264730e187be9338

SHA1
51c2a86ab01b1b14a896ae47668c6c5baee71167

SHA256
02ff2e07531616c7b3ba115cc723c9941c24145fc96684bd184fbd6c3077f029

SHA512
69ea8143d4b5f7c79acbbb1c1862e1b6d09c85920e9ca2351f5ba13df772e3676d55da252c85b2fe089a63e0e1752ffd6ce426abd29d777908b1ce47f2ab4492

Download Submit
memory/1940-0-0x00000000010A0000-0x000000000144E000-memory.dmp

Filesize
3.7MB

Download
memory/1940-1-0x00000000010A0000-0x000000000144E000-memory.dmp

Filesize
3.7MB

Download
memory/1940-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/1940-3-0x0000000002F90000-0x0000000002FD0000-memory.dmp

Filesize
256KB

Download
memory/1940-53-0x00000000010A0000-0x000000000144E000-memory.dmp

Filesize
3.7MB

Download
memory/1940-54-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download