bc57b8e48598918d1a9502250daed583175be5542a8ec2dd30c21006d776af57

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2024 19:53

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General

Target

6375c813fc9d6c53f2268cbb4e51d7fe.exe
Size

48KB
MD5

6375c813fc9d6c53f2268cbb4e51d7fe
SHA1

7b5c424112bd92bb7071f34517e92974facc11e0
SHA256

bc57b8e48598918d1a9502250daed583175be5542a8ec2dd30c21006d776af57
SHA512

6c429429468fb9da2e8a28a4a11cf252aed99c7a843203373c0c9216217fced31345b97d064ea14b76e0a061b2f6dd8a16895cf59c5dace7814c654c2092b2f7
SSDEEP

768:/TvXadySyLwd+FXpQwP/cyQreS75fHgYB7y/MkuFtsFR5KpPfQyjdeWFqNu:Z++FXpQd3reS75fAWypmscpHQt9Nu

Score

10^/10

evasion spyware stealer upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	6375c813fc9d6c53f2268cbb4e51d7fe.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\6375c813fc9d6c53f2268cbb4e51d7fe.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\6375c813fc9d6c53f2268cbb4e51d7fe.exe:*:Enabled:ldrsoft"	6375c813fc9d6c53f2268cbb4e51d7fe.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	6375c813fc9d6c53f2268cbb4e51d7fe.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	6375c813fc9d6c53f2268cbb4e51d7fe.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6375c813fc9d6c53f2268cbb4e51d7fe.exe

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

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-2-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-3-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-5-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-6-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-9-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-11-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-13-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-15-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3932-18-0x0000000000400000-0x000000000145A000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 3020	3932	6375c813fc9d6c53f2268cbb4e51d7fe.exe	98
PID 3932 wrote to memory of 3020	3932	6375c813fc9d6c53f2268cbb4e51d7fe.exe	98
PID 3932 wrote to memory of 3020	3932	6375c813fc9d6c53f2268cbb4e51d7fe.exe	98

C:\Users\Admin\AppData\Local\Temp\6375c813fc9d6c53f2268cbb4e51d7fe.exe
"C:\Users\Admin\AppData\Local\Temp\6375c813fc9d6c53f2268cbb4e51d7fe.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:3932
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\6375C8~1.EXE00.bat
  2⤵
  PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\6375C8~1.EXE00.bat

Filesize
192B

MD5
effd006646aac1900f86f003dbae2652

SHA1
257ff76dde8fd93a6b816789c7c291674f064ed7

SHA256
5c2095152fc90c4d318c058c619a3499b9c87008e702eb5f5b03162e249d82ec

SHA512
dd7b468d21f1f5c30dfcc7f1ae3e4492dbc9778992a243e88960522c92bd61c40bdd829bc4e280bf31a05e3aafeefd2082c42a25fb39040e3bf1d87b91976818

Download Submit
memory/3932-0-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-2-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-3-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-5-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-6-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-9-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-11-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-13-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-15-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3932-18-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads