44caliber | d963729366502cb3aa25b180774331bbc36505388b9a88e18de5c1e31bb22c44

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-02-2024 16:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

874dad172d7d4af0bab54a7a5b7dc6a7.exe
Size

1.7MB
MD5

874dad172d7d4af0bab54a7a5b7dc6a7
SHA1

26917510b8f15642cf6ded5281ee4f364366ede1
SHA256

d963729366502cb3aa25b180774331bbc36505388b9a88e18de5c1e31bb22c44
SHA512

be2744820aad996309429fec956d04ffaa34deea3f539406d19a7ab8119948b5ddc90a4a7febb69cac8aefde164aaa6868c15d35932af0032784883e2195ea4c
SSDEEP

49152:QtgXScc+ckmtEs4MMrb1NpN95VDLTwNAjg:9i+Xm2BMu/nX

Score

10^/10

44caliber blackguard spyware stealer

Malware Config

Extracted

Family

blackguard

https://api.telegram.org/bot1942918979:AAFYbo4y_dydty9_QVi9q57Nc95ysGNQ3N0/sendMessage?chat_id=1346139054

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
BlackGuard
Infostealer first seen in Late 2021.
stealer blackguard
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

4 freegeoip.app
5 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

874dad172d7d4af0bab54a7a5b7dc6a7.exe

pid process

836 874dad172d7d4af0bab54a7a5b7dc6a7.exe
836 874dad172d7d4af0bab54a7a5b7dc6a7.exe
836 874dad172d7d4af0bab54a7a5b7dc6a7.exe

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

Processes:

874dad172d7d4af0bab54a7a5b7dc6a7.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	874dad172d7d4af0bab54a7a5b7dc6a7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	874dad172d7d4af0bab54a7a5b7dc6a7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

874dad172d7d4af0bab54a7a5b7dc6a7.exe

pid	process
836	874dad172d7d4af0bab54a7a5b7dc6a7.exe
836	874dad172d7d4af0bab54a7a5b7dc6a7.exe
836	874dad172d7d4af0bab54a7a5b7dc6a7.exe
836	874dad172d7d4af0bab54a7a5b7dc6a7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

874dad172d7d4af0bab54a7a5b7dc6a7.exe

description pid process

Token: SeDebugPrivilege 836 874dad172d7d4af0bab54a7a5b7dc6a7.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

874dad172d7d4af0bab54a7a5b7dc6a7.exe

pid process

836 874dad172d7d4af0bab54a7a5b7dc6a7.exe

description	pid	process
Token: SeDebugPrivilege	836	874dad172d7d4af0bab54a7a5b7dc6a7.exe

C:\Users\Admin\AppData\Local\Temp\874dad172d7d4af0bab54a7a5b7dc6a7.exe
"C:\Users\Admin\AppData\Local\Temp\874dad172d7d4af0bab54a7a5b7dc6a7.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:836

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\44\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
397B

MD5
6b19c2c3d7fb42db0e00c5ff8481d1e9

SHA1
618ea0e11312b1d97aeb61a0984b73c6480c64db

SHA256
0380e83d961f92f216e4424eadd238c8ea234e235ddf673e2463ccf1b04d879d

SHA512
e88bc86f96ac6be9b9cb3db6f1ba7076f697f38a802d783dfb060c9f1c9c622bd2a6fcc7cbe0aa6b4bc3de2fa18e21db9e5b40a24bcb15a5aeb8125b7040db4c

Download Submit
memory/836-0-0x0000000000CB0000-0x0000000001192000-memory.dmp

Filesize
4.9MB

Download
memory/836-2-0x0000000000CB0000-0x0000000001192000-memory.dmp

Filesize
4.9MB

Download
memory/836-1-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/836-3-0x0000000005400000-0x0000000005440000-memory.dmp

Filesize
256KB

Download
memory/836-75-0x0000000002600000-0x000000000260A000-memory.dmp

Filesize
40KB

Download
memory/836-76-0x0000000002610000-0x0000000002618000-memory.dmp

Filesize
32KB

Download
memory/836-79-0x0000000000CB0000-0x0000000001192000-memory.dmp

Filesize
4.9MB

Download
memory/836-80-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download