gootloader | 1f11db7a18daabfd2b565045e4da48f5839d3be6a9270aaecd454782927bde16

Analysis

max time kernel
288s
max time network
291s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 12:57

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General

Target

union_of_taxation_employees_collective_agreement(17678).js
Size

4.0MB
MD5

4676cd61991f2abc92a0b9e2d10be99b
SHA1

2cf90c975093ac69607377992e63d52f9a67e033
SHA256

1f11db7a18daabfd2b565045e4da48f5839d3be6a9270aaecd454782927bde16
SHA512

c9aa43ef7356e0ac75be85a3d36841525450a79466176a442e86af70587aef36ca3b283f7b8d2df448c8cb3d72d2e8567f31bf3ef28ec0e111d4fe47de56445f
SSDEEP

49152:UYqenIoDwoc4yoQu/s+LfHQvYqenIoDwoc4yoQu/s+LfHQvYqenIoDwoc4yoQu/P:UxxI

Score

10^/10

gootloader execution loader

Malware Config

Signatures

GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
loader gootloader

Blocklisted process makes network request 9 IoCs

Processes:

powershell.exe

flow	pid	Process
56	2068	powershell.exe
74	2068	powershell.exe
77	2068	powershell.exe
80	2068	powershell.exe
83	2068	powershell.exe
85	2068	powershell.exe
87	2068	powershell.exe
90	2068	powershell.exe
93	2068	powershell.exe

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

Processes:

wscript.EXE

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	wscript.EXE

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

powershell.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	Process	procid_target
PID 1244 wrote to memory of 384	1244	wscript.EXE	100
PID 1244 wrote to memory of 384	1244	wscript.EXE	100
PID 384 wrote to memory of 2068	384	cscript.exe	102
PID 384 wrote to memory of 2068	384	cscript.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\union_of_taxation_employees_collective_agreement(17678).js
1⤵
PID:4536

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE ONLINE~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "ONLINE~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Blocklisted process makes network request
    - Modifies registry class
    PID:2068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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:\Users\Admin\AppData\Roaming\Microsoft\ONLINE~1.JS

Filesize
39.2MB

MD5
3f319d850947abf02998276618d2504f

SHA1
4a563bba89b5f0b873a7e323b0344d129c3da0f3

SHA256
49988f7a4c8288fe2bb887e38f9b004d90a8049c815f3a3afae6bc49cdfbd739

SHA512
6f524475435384aa24d5805f3c1b4ba0367142d252df562ea56736b14f7e5a14d6dc96a98b53e272a4b9f8aa3cbc4f7e51cbdd7df1017bafeeeda94360fea72e

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