blackguard | abc9f44b74bbd427025796c98425c5f10fe5d6272143601d59b0c0187c291900

Analysis

max time kernel
2s
max time network
4s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
18-06-2024 14:59

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General

Target

Loader.exe
Size

273KB
MD5

20c1572e3522b3387e05074d4f5e19fc
SHA1

b8bd0221456b3d933d3cdf225408e77bb0a62374
SHA256

abc9f44b74bbd427025796c98425c5f10fe5d6272143601d59b0c0187c291900
SHA512

a3b34ea5012e9cb6f1591484381619980b58ac74214eb700689433d5f69161d34e7f27388bf2cd7e59b7066e186486ecc59dc8223e5397daaba677b8d06d601f
SSDEEP

6144:ef+BLtABPDM5pPTgxWGomsXSbklxLfdEzyIme0wa6:h57hmsXSkHdmme06

Score

10^/10

blackguard persistence spyware stealer

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Loader.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-952492217-3293592999-1071733403-1000\Software\Microsoft\Windows\CurrentVersion\Run\Loader.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Loader.exe\""	Loader.exe

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

1 freegeoip.app
3 freegeoip.app

flow	ioc
1	freegeoip.app
3	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:

Loader.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Loader.exe

pid process

4544 Loader.exe
4544 Loader.exe
4544 Loader.exe
4544 Loader.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Loader.exe

description pid process

Token: SeDebugPrivilege 4544 Loader.exe

pid	process
4544	Loader.exe
4544	Loader.exe
4544	Loader.exe
4544	Loader.exe

description	pid	process
Token: SeDebugPrivilege	4544	Loader.exe

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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:\Users\Admin\AppData\Local\1337\Process.txt

Filesize
749B

MD5
43fbcdea35f357e9ada883dc5f898321

SHA1
b7c8f5b51e39a9479f32070b08ffa1f11533c76c

SHA256
8d9c3ef8cf47dbefb68a2fd051fc595e30b49138aee42ebf7db8ac6b299b3be7

SHA512
d6573142e2717d039bd2ece0789fd57e19fb4588c8e96f8913dad0e78b8d800ec03e5591a8ced65780a16c5fd87d486fcf127ad424edc0c488ab00bc67c4fc88

Download Submit
C:\Users\Admin\AppData\Local\1337\Process.txt

Filesize
1KB

MD5
5511079764af6eb07d2bc778f11c640c

SHA1
50d4665878836bc05412b4165343e3bde463d255

SHA256
3222fb98088e6ed3b664f14bed19c2dbd98fb1dbd417c71b5c8d8d119af31f17

SHA512
4314c817a625abcfaeacfbfde6e1ade8fa67996006d95dac3ee6ee8795d493c366048ad93ae3746718b8ca9761f83a205c79b6d216129c3f3df155f9ab5154ab

Download Submit
memory/4544-0-0x00007FF8991A3000-0x00007FF8991A5000-memory.dmp

Filesize
8KB

Download
memory/4544-1-0x00000220EE640000-0x00000220EE688000-memory.dmp

Filesize
288KB

Download
memory/4544-2-0x00007FF8991A0000-0x00007FF899C62000-memory.dmp

Filesize
10.8MB

Download
memory/4544-115-0x00007FF8991A0000-0x00007FF899C62000-memory.dmp

Filesize
10.8MB

Download