gootloader | 919e71361afffa7a9edd5fdf11efaeff25f2e742c9a24cbbb030d192d041ddfb

Analysis

max time kernel
117s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 13:22

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General

Target

union_of_taxation_employees_collective_agreement28424.js
Size

3.9MB
MD5

052d55bc0edd41bc0c7a26155be6d359
SHA1

d1173d863f73736e9585facdab76c964d02681c4
SHA256

919e71361afffa7a9edd5fdf11efaeff25f2e742c9a24cbbb030d192d041ddfb
SHA512

4f9da4c35e67b29b69cd8015c5fdb8f0ab4c009118f3438f3e1c1102fc7b0e9d08e28cda65452de9070d4787e6ffed7ec967a20ca10cc4bc1960e3bf45f43edc
SSDEEP

24576:pvZ5xxv6JbHQPV9LfvZ5xxv6JbHQPV9LfvZ5xxv6JbHQPV9LZ:pvqJEPV97vqJEPV97vqJEPV9l

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
1840	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	1840	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2672 wrote to memory of 2696	2672	taskeng.exe	31
PID 2672 wrote to memory of 2696	2672	taskeng.exe	31
PID 2672 wrote to memory of 2696	2672	taskeng.exe	31
PID 2696 wrote to memory of 752	2696	wscript.EXE	33
PID 2696 wrote to memory of 752	2696	wscript.EXE	33
PID 2696 wrote to memory of 752	2696	wscript.EXE	33
PID 752 wrote to memory of 1840	752	cscript.exe	35
PID 752 wrote to memory of 1840	752	cscript.exe	35
PID 752 wrote to memory of 1840	752	cscript.exe	35

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_agreement28424.js
1⤵
PID:320

C:\Windows\system32\taskeng.exe
taskeng.exe {E1DBFB9F-79A3-437A-9788-214CAFD214B2} S-1-5-21-457978338-2990298471-2379561640-1000:WOUOSVRD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE ADULTE~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" ADULTE~1.JS
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:752
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1840

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\ADULTE~1.JS

Filesize
39.2MB

MD5
042f5142b1a4f2a8547ec9ef5cad68c4

SHA1
700937127557a3a774124548378ce6e7b1e0e07d

SHA256
5579121416b959903415c032070cca375af9cf59b3735100c4a4ea3b562f5aa5

SHA512
413393700763a539cb4680bf041d1f3a52835c48651cf878f07beafb3c8a42476b1b100127798f06e633051f4c70475472acff5ac93f777cde6eb54960d7db84

Download Submit
memory/1840-7-0x000000001B3C0000-0x000000001B6A2000-memory.dmp

Filesize
2.9MB

Download
memory/1840-8-0x0000000002610000-0x0000000002618000-memory.dmp

Filesize
32KB

Download