d3ca45dfbdf1156990b4eeba1282d2e3f42131b3748a356e1cfe54557f4cdab1

Analysis

max time kernel
131s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 17:01

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General

Target

virussign.com_8926cecf11c74e10589cab65ba6bf580.exe
Size

55KB
MD5

8926cecf11c74e10589cab65ba6bf580
SHA1

acad9bec360a488cbdc34527deb39af442f14bd4
SHA256

d3ca45dfbdf1156990b4eeba1282d2e3f42131b3748a356e1cfe54557f4cdab1
SHA512

9d7ae6ef11b8dc2532b026e0b370d2374d2651c29652475ccefb708fda38b6d67e9be489fe6f71ff0000f88b7a240ba83d80dc32f872a2cb05a6b5914e494ff9
SSDEEP

768:MApQr0DHvdFJI34nGxusOy9Rp1pLeAxoeC48PqK1OtaP6cCFzENREMZ7Asc:MAaAJlzsh7pWezEPJB+Ok

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	virussign.com_8926cecf11c74e10589cab65ba6bf580.exe

Executes dropped EXE 1 IoCs

pid	Process
4484	sal.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	\??\c:\windows\SysWOW64\sal.exe	virussign.com_8926cecf11c74e10589cab65ba6bf580.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 4484	2152	virussign.com_8926cecf11c74e10589cab65ba6bf580.exe	83
PID 2152 wrote to memory of 4484	2152	virussign.com_8926cecf11c74e10589cab65ba6bf580.exe	83
PID 2152 wrote to memory of 4484	2152	virussign.com_8926cecf11c74e10589cab65ba6bf580.exe	83

C:\Users\Admin\AppData\Local\Temp\virussign.com_8926cecf11c74e10589cab65ba6bf580.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_8926cecf11c74e10589cab65ba6bf580.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2152
- C:\windows\SysWOW64\sal.exe
  "C:\windows\system32\sal.exe"
  2⤵
  - Executes dropped EXE
  PID:4484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\sal.exe

Filesize
55KB

MD5
a52fefe0b628d8f8340da7582803ffb5

SHA1
64b8a8ce65a50a026dc73aef6a52d35406100f3a

SHA256
63fbf8e8d3068de9c1f4de5d6ea85a5c7302d74aafd2ddaccb4a5dc6cad8154f

SHA512
a6df5347dc88cb35509e5cdf7e2ecae8b752b199e3213dcf30fdd39a88a64a9b2e2f19c6556a2a82c19df222f9c3e76fd2e5162a028a10f14b982f3ab47d1f4b

Download Submit
memory/2152-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2152-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4484-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download