gootloader | 1771f94e898e28e8d9e6eac9ff8fa457ca17948d4599890915b833e71106982c

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 15:42

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General

Target

1771f94e898e28e8d9e6eac9ff8fa457ca17948d4599890915b833e71106982c.js
Size

5.3MB
MD5

c34769845b3c81530e785a2539d55ad9
SHA1

f429bbe44bc3c633b7675175708c76093003feff
SHA256

1771f94e898e28e8d9e6eac9ff8fa457ca17948d4599890915b833e71106982c
SHA512

c1d9a7db007e82d8ff2a60be97b1096e28beec1fbed847db0d4656b447441d4317d32159261a4eaf53022702c81256a4adb79c6fce50a82b9b88c15ee14a4ace
SSDEEP

49152:tWR+nGElwTrd6gG/s+LfHQ0WR+nGElwTrd6gG/s+LfHQ0WR+nGElwTrd6gG/s+Lr:trrr9

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
2820	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2820	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2856 wrote to memory of 2904	2856	taskeng.exe	32
PID 2856 wrote to memory of 2904	2856	taskeng.exe	32
PID 2856 wrote to memory of 2904	2856	taskeng.exe	32
PID 2904 wrote to memory of 2912	2904	wscript.EXE	33
PID 2904 wrote to memory of 2912	2904	wscript.EXE	33
PID 2904 wrote to memory of 2912	2904	wscript.EXE	33
PID 2912 wrote to memory of 2820	2912	cscript.exe	35
PID 2912 wrote to memory of 2820	2912	cscript.exe	35
PID 2912 wrote to memory of 2820	2912	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\1771f94e898e28e8d9e6eac9ff8fa457ca17948d4599890915b833e71106982c.js
1⤵
PID:1952

C:\Windows\system32\taskeng.exe
taskeng.exe {B260FF70-166C-48C1-B43D-02CBAAB5A13C} S-1-5-21-3434294380-2554721341-1919518612-1000:ELZYPTFV\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE VIRTUA~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2904
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "VIRTUA~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2912
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2820

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\Macromedia\VIRTUA~1.JS

Filesize
45.7MB

MD5
fa33856cdd141858ba2ac178f7fa578e

SHA1
f1679423b57a78d29e7a46962a89e08f29db0f55

SHA256
83c748a7477453552193038657cd29fbc47cea50cb77ec52767ee7091f7af6f8

SHA512
97a728ce3576bec8512e069d150a75695450176443243655b62b126abdbeace6bfe93979959d150f82362c375f3e688543cc29f2ad4ed6fb3c1bdf679fcf710f

Download Submit
memory/2820-7-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2820-8-0x0000000001F80000-0x0000000001F88000-memory.dmp

Filesize
32KB

Download