gootloader | d844fb8765ac8322880dcc1bdd9526f5a92c4ad666453c46cfb22a1850db5cae

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 13:10

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General

Target

d844fb8765ac8322880dcc1bdd9526f5a92c4ad666453c46cfb22a1850db5cae.js
Size

19.8MB
MD5

5dfa4ad1f910aee0e338936b60e49265
SHA1

89adff951076ff97a926d758d8dd36651e8d41f3
SHA256

d844fb8765ac8322880dcc1bdd9526f5a92c4ad666453c46cfb22a1850db5cae
SHA512

ac33f852455a9c036dd0967e9c1df54d5871c093581226df2658b4290c3a56c07482b0c32678f5d26c4a3fc65c36473302064400f09318cd0393a95e483adc87
SSDEEP

49152:9U9z+k4FbEc6GhQa5CUl+4SSNRLFjzW03NZPn3SbYmGBl+Kn8P4BlwUC3kiQijsB:r3w3w3w3w3w3w3w3K

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
1420	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	1420	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2676 wrote to memory of 2528	2676	taskeng.exe	31
PID 2676 wrote to memory of 2528	2676	taskeng.exe	31
PID 2676 wrote to memory of 2528	2676	taskeng.exe	31
PID 2528 wrote to memory of 576	2528	wscript.EXE	32
PID 2528 wrote to memory of 576	2528	wscript.EXE	32
PID 2528 wrote to memory of 576	2528	wscript.EXE	32
PID 576 wrote to memory of 1420	576	cscript.exe	34
PID 576 wrote to memory of 1420	576	cscript.exe	34
PID 576 wrote to memory of 1420	576	cscript.exe	34

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\d844fb8765ac8322880dcc1bdd9526f5a92c4ad666453c46cfb22a1850db5cae.js
1⤵
PID:2292

C:\Windows\system32\taskeng.exe
taskeng.exe {F4ED48AF-7F6B-4CFB-A3B4-A0A52899E29B} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE FLAVOR~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "FLAVOR~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:576
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1420

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\Macromedia\FLAVOR~1.JS

Filesize
40.9MB

MD5
38405385e29b2a758b6f1566a4b04b13

SHA1
1835dbcf36860c3002a0bbdf693dca20ea493fc3

SHA256
0540941eed3f587bf451d3cb9032f89160748119f8176f84f36e6a0a0a34be62

SHA512
67c8856bdcd66c061622e3556e784239be09720a8a6a1c567b706e53573d08e2c9897f3a1313ea7869f7552d44b940934577ed7f01f4fc41f7781e0169fbd9b9

Download Submit
memory/1420-7-0x000000001B3E0000-0x000000001B6C2000-memory.dmp

Filesize
2.9MB

Download
memory/1420-8-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download