gootloader | b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 14:12

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General

Target

b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f.js
Size

10.6MB
MD5

1d0bf84687e2a729b33f415e558e7fdb
SHA1

cc4e6437fa0a216540b10498c7d5e7c7854b4550
SHA256

b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f
SHA512

950bd85e04d2be8aab4f68d7cbba73144557bd4a08c7086a8805f01260b19f8ea069ecb9caa15f5dcadd0e4e2b7baf963fa0cfecb6939054750560d168c14391
SSDEEP

49152:ZZmKvXnWYiwPNgEHF/s+LfHQeZmKvXnWYiwPNgEHF/s+LfHQeZmKvXnWYiwPNgE1:Z1F1F1F1F1F1F1F1z

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
688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	688	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2744 wrote to memory of 2160	2744	taskeng.exe	32
PID 2744 wrote to memory of 2160	2744	taskeng.exe	32
PID 2744 wrote to memory of 2160	2744	taskeng.exe	32
PID 2160 wrote to memory of 2616	2160	wscript.EXE	33
PID 2160 wrote to memory of 2616	2160	wscript.EXE	33
PID 2160 wrote to memory of 2616	2160	wscript.EXE	33
PID 2616 wrote to memory of 688	2616	cscript.exe	35
PID 2616 wrote to memory of 688	2616	cscript.exe	35
PID 2616 wrote to memory of 688	2616	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\b72dc2b479a9f8a1a9e55eb6bd21a823d4f5ccefc20e566b3d00fd8811185a7f.js
1⤵
PID:1936

C:\Windows\system32\taskeng.exe
taskeng.exe {02C359DA-123B-4622-B412-D027676043DD} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE COLLAB~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "COLLAB~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2616
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:688

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\Microsoft\COLLAB~1.JS

Filesize
41.5MB

MD5
2c44817cc5e1290bb2bc186e46a5f8ba

SHA1
dd1d60fdffa99ccffc2c1fb87945aa92653b03f8

SHA256
0ffb65fe5a090bd43f82ff6f790007d9f1ccedc1bcfb7b4d35659bff7a333717

SHA512
b00ef5bf66c2ce8b5d9a25968f481f07683033b9355b7ed9068acbf8ea0053d3f68e60365b56e7329257ae39b81acb5988da21a1d5d4846a21d6479e93bd4c67

Download Submit
memory/688-7-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/688-8-0x0000000001F10000-0x0000000001F18000-memory.dmp

Filesize
32KB

Download