gootloader | 5f2ee690f0d412b8e8003f7bdf4ecf813c5f99e930ea7dbda0154f913e68be54

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 02:57

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General

Target
tmp632513wj.js
Size 6.6MB
Sample260523-dfw8saet2x
SHA256 5f2ee690f0d412b8e8003f7bdf4ecf813c5f99e930ea7dbda0154f913e68be54
MD5 5f9509cada03763da54b72f4f3b09e9c
SHA1 e7b044d7a16bbe841baec19d4d1ed2150f469026
SHA512 15216d1ca7ed0c7419a2f7d30bdb355597fe4f81ca9b98d0687e960974927f364856629524461b84984bc87d2eb1d837f709539a093384130e2ee40183fe7b62
SSDEEP 49152:1WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQA:1ZZZZZj
TLSH
T123662A5D7FF21122065771B64ABFA00AF2B98413941CD954F96CC3D02FE092986FBEE9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

execution gootloader loader persistence

Malware Config

Signatures

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe
2140	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 1168	5064	wscript.EXE	86
PID 1168 wrote to memory of 2140	1168	cscript.exe	88

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\tmp632513wj.js
1⤵
PID:1596

C:\Windows\system32\wscript.exe
wscript
1⤵
PID:3776

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE NEWPRO~1.JS
1⤵
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "NEWPRO~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2140

Network

MITRE ATT&CK Enterprise v16

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

__PSScriptPolicyTest_sjefb3ll.gsy.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sjefb3ll.gsy.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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NEWPRO~1.JS

Path C:\Users\Admin\AppData\Roaming\Sun\NEWPRO~1.JS
Size 44.4MB
SHA256 fd1393d252f95c4472cdb8c0d655fea5797ac585d14c90cc83b806feb6249e9b
MD5 5248626e534b9fda762e92dfd061c672
SHA1 4d5db87f4b01989a4159527ab80a8d5021eb520b
SHA512 bf0daf5ff791420348d045ee3dea368344e5950b42a854f9b10cef3921a41907fa586958f2fb9b31933a69381d0a58d9980727a3839186940be02be152e61b90
SSDEEP 1536:jwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrpwrF:G
TLSH
T157A76CFDE5DAE03201DB76622B270E76D9E48AC14BCD40049EE047252CDE93E071BDE4
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2140-8-0x000001B436690000-0x000001B4366B2000-memory.dmp

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memory/2140-10-0x000001B450D90000-0x000001B450DD6000-memory.dmp

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memory/2140-11-0x000001B435A30000-0x000001B4364F2000-memory.dmp

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memory/2140-13-0x000001B435A30000-0x000001B4364F2000-memory.dmp

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memory/2140-14-0x000001B435A30000-0x000001B4364F2000-memory.dmp

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memory/2140-16-0x000001B435A30000-0x000001B4364F2000-memory.dmp

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