gootloader | cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 12:03

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General

Target

cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js
Size

9.3MB
MD5

903fcfc5a11c336dfc5d9d881c2c8ac3
SHA1

c21eaf136cf4bc6d3a7f17496b8c164920b5a9b5
SHA256

cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399
SHA512

afa27bacd7335d7389c194c5aa4ea776cb46bb50418eb263095f260431eec2269764b5ad9943423c3c4e132c45605f7ed1a10e4c3360f24d8470e17f1757f48f
SSDEEP

49152:W9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+Lr:W777777q

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
2664	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2664	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2296 wrote to memory of 2880	2296	taskeng.exe	32
PID 2296 wrote to memory of 2880	2296	taskeng.exe	32
PID 2296 wrote to memory of 2880	2296	taskeng.exe	32
PID 2880 wrote to memory of 2936	2880	wscript.EXE	33
PID 2880 wrote to memory of 2936	2880	wscript.EXE	33
PID 2880 wrote to memory of 2936	2880	wscript.EXE	33
PID 2936 wrote to memory of 2664	2936	cscript.exe	35
PID 2936 wrote to memory of 2664	2936	cscript.exe	35
PID 2936 wrote to memory of 2664	2936	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\cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js
1⤵
PID:2096

C:\Windows\system32\taskeng.exe
taskeng.exe {0B0D1B52-608E-407E-95D7-CA2E6FDAEC05} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE NETWOR~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "NETWOR~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2664

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

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Downloads

C:\Users\Admin\AppData\Roaming\Mozilla\NETWOR~1.JS

Filesize
47.3MB

MD5
62cacd71b8e01686363b5154ade6f872

SHA1
d399d7e0cd7334b68413eded43e8f71273b9bbbc

SHA256
f0be0c17a27cacca5a25946d9c2c91cdcd323a3bdfbc9402ef8396f49c3c9223

SHA512
2573a661378d4f741866a67a6260e3055a50cedca896e23a8d428bb2dd4ded06989d36e9376e5cb939c38980fe3d43157ce5d3f7004107a4e1becc841080215e

Download Submit
memory/2664-7-0x000000001B760000-0x000000001BA42000-memory.dmp

Filesize
2.9MB

Download
memory/2664-8-0x0000000001F10000-0x0000000001F18000-memory.dmp

Filesize
32KB

Download