gootloader | 75816e07ba8ddb18c9bdbb04cfb4b506b31eb83cd6573943b3ca46446353dc13

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
26/03/2025, 22:09

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General

Target

template letter to cancel service contract 10094.js
Size

13.9MB
MD5

98ea723de2f4ce7c0ce6083bee82168c
SHA1

345780ed928b6b21b951a8c57fbd1daa21b86a0a
SHA256

5ab7c599252ac1c908edcbeb408e12c6398330a91bab4a21fc853731ecb4f7b1
SHA512

6fa08f38b7131080685ca7511db874e5a0a246ff2613f39aa31d9ee6f1d4cc1a43acc07b8725885aff70739791ebbd7485e8266f74cbfd9de0cdb7e641623ff0
SSDEEP

49152:hyd08dPXWR4ba/JOtdF5pHE2lsfiaahM3o43ORV59VDKtDwyd08dPXWR4ba/JOt4:1c43mvc43mvc43ml

Score

10^/10

gootloader execution loader

Malware Config

Signatures

GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
loader gootloader
Gootloader family
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

pid	Process
1796	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 2736	2752	taskeng.exe	32
PID 2752 wrote to memory of 2736	2752	taskeng.exe	32
PID 2752 wrote to memory of 2736	2752	taskeng.exe	32
PID 2736 wrote to memory of 2628	2736	wscript.EXE	33
PID 2736 wrote to memory of 2628	2736	wscript.EXE	33
PID 2736 wrote to memory of 2628	2736	wscript.EXE	33
PID 2628 wrote to memory of 1796	2628	cscript.exe	35
PID 2628 wrote to memory of 1796	2628	cscript.exe	35
PID 2628 wrote to memory of 1796	2628	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\template letter to cancel service contract 10094.js"
1⤵
PID:2248

C:\Windows\system32\taskeng.exe
taskeng.exe {3FC3D001-0E76-4159-A1AC-7EEB507A0B9F} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE BRITIS~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "BRITIS~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1796

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\Mozilla\BRITIS~1.JS

Filesize
39.9MB

MD5
7f38f78a529c806e29905ed425f87f3a

SHA1
d838b1902f30a973905b1d7e89b1b300daa9abaa

SHA256
03f6cd790090de091c69dc208a927126e6ef13a0293aa5f3c2896b89dbbd2558

SHA512
fc89c0acc45ae7de5ef40482cbe12d12fb0dddb0d010ef741ea88b34fd0a98e0008ef3dd7d53c46a01a3dab13f7020d9d92a253e5d3d43b910224a87f1667c46

Download Submit
memory/1796-7-0x000000001B820000-0x000000001BB02000-memory.dmp

Filesize
2.9MB

Download
memory/1796-8-0x0000000001D20000-0x0000000001D28000-memory.dmp

Filesize
32KB

Download