gootloader | aa69518515803dc5f4126950d94443f0bc281a71b08441b704e2459f4f3f8511

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 01:15

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General

Target

unionoftaxationemployeescollectiveagreement31442.js
Size

9.0MB
MD5

ebc47d7b05d2cb462f3366cd0a62d595
SHA1

41b1b09e348e0cea83c9840cef8565fbc15e40e4
SHA256

aa69518515803dc5f4126950d94443f0bc281a71b08441b704e2459f4f3f8511
SHA512

ccceaa7db00f1ad820b2171cbfefbad0e554a9c211527e934f364bef84241fe1f021cbd5dd2ac9f652dc84419260789d169d291657d09c6a5e2420e075302d22
SSDEEP

49152:BjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9l:aPVWPVWPVWPVWPVWPVWPVD

Score

10^/10

gootloader execution loader

Malware Config

Signatures

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 1 IoCs

Processes:

powershell.exe

pid process

2220 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2220 powershell.exe

pid	process
2220	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2220	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	process	target process
PID 2544 wrote to memory of 2620	2544	taskeng.exe	wscript.EXE
PID 2544 wrote to memory of 2620	2544	taskeng.exe	wscript.EXE
PID 2544 wrote to memory of 2620	2544	taskeng.exe	wscript.EXE
PID 2620 wrote to memory of 1572	2620	wscript.EXE	cscript.exe
PID 2620 wrote to memory of 1572	2620	wscript.EXE	cscript.exe
PID 2620 wrote to memory of 1572	2620	wscript.EXE	cscript.exe
PID 1572 wrote to memory of 2220	1572	cscript.exe	powershell.exe
PID 1572 wrote to memory of 2220	1572	cscript.exe	powershell.exe
PID 1572 wrote to memory of 2220	1572	cscript.exe	powershell.exe

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\unionoftaxationemployeescollectiveagreement31442.js
1⤵
PID:1792

C:\Windows\system32\taskeng.exe
taskeng.exe {C9550260-6E12-42FF-A2CC-4CDCE6C49F1E} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2544

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE GUIDEL~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" GUIDEL~1.JS
3⤵
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2220

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\GUIDEL~1.JS

Filesize
45.7MB

MD5
b66686ad0668f57a7d9fb203ff381d70

SHA1
910b44d48d45f7377d231f92666f25608248fa8b

SHA256
d9a001b47c965d3b797808e3dde7fcac423b132d1727bc1adb5ad6adda6b1865

SHA512
3a28e98fd81af006c6373b1066d15094fdb402663bf602eb15b851e057e312ff1f0957d848ca5e6a2e1ca8115aa74ad9b4fba4d62a84d0c30dbc8098d861093e

Download Submit
memory/2220-7-0x000000001B570000-0x000000001B852000-memory.dmp

Filesize
2.9MB

Download
memory/2220-8-0x0000000000670000-0x0000000000678000-memory.dmp

Filesize
32KB

Download