gootloader | 4f2846f0cd6bdf7a93b1fa0b34844414bd287367edf203ef206c90f4bf6147e4

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 12:45

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General

Target

4f2846f0cd6bdf7a93b1fa0b34844414bd287367edf203ef206c90f4bf6147e4.js
Size

4.0MB
MD5

b6bed8b75a4418875fed6d8bcff17f95
SHA1

d2762e10e7abcd191650fe3f2b50c4630855cdb2
SHA256

4f2846f0cd6bdf7a93b1fa0b34844414bd287367edf203ef206c90f4bf6147e4
SHA512

94a694c4224bfed73b5397e7d0aec53b2ebef1abd474dc06e507948738a41b7619e568a5f5cb577a5a8b16ade43c806db8e8fc67db667c26ff694c2ec14bdfd4
SSDEEP

49152:3icUnqsGw1cICwa/s+LfHQkicUnqsGw1cICwa/s+LfHQkicUnqsGw1cICwa/s+Lr:3ppR

Score

10^/10

gootloader execution loader

Malware Config

Signatures

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

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow	pid	Process
49	4496	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.EXE

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	wscript.EXE

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

Modifies registry class 2 IoCs

Processes:

powershell.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe

pid	Process
4496	powershell.exe
4496	powershell.exe
4496	powershell.exe
4496	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	4496	powershell.exe
Token: SeIncreaseQuotaPrivilege	4496	powershell.exe
Token: SeSecurityPrivilege	4496	powershell.exe
Token: SeTakeOwnershipPrivilege	4496	powershell.exe
Token: SeLoadDriverPrivilege	4496	powershell.exe
Token: SeSystemProfilePrivilege	4496	powershell.exe
Token: SeSystemtimePrivilege	4496	powershell.exe
Token: SeProfSingleProcessPrivilege	4496	powershell.exe
Token: SeIncBasePriorityPrivilege	4496	powershell.exe
Token: SeCreatePagefilePrivilege	4496	powershell.exe
Token: SeBackupPrivilege	4496	powershell.exe
Token: SeRestorePrivilege	4496	powershell.exe
Token: SeShutdownPrivilege	4496	powershell.exe
Token: SeDebugPrivilege	4496	powershell.exe
Token: SeSystemEnvironmentPrivilege	4496	powershell.exe
Token: SeRemoteShutdownPrivilege	4496	powershell.exe
Token: SeUndockPrivilege	4496	powershell.exe
Token: SeManageVolumePrivilege	4496	powershell.exe
Token: 33	4496	powershell.exe
Token: 34	4496	powershell.exe
Token: 35	4496	powershell.exe
Token: 36	4496	powershell.exe
Token: SeIncreaseQuotaPrivilege	4496	powershell.exe
Token: SeSecurityPrivilege	4496	powershell.exe
Token: SeTakeOwnershipPrivilege	4496	powershell.exe
Token: SeLoadDriverPrivilege	4496	powershell.exe
Token: SeSystemProfilePrivilege	4496	powershell.exe
Token: SeSystemtimePrivilege	4496	powershell.exe
Token: SeProfSingleProcessPrivilege	4496	powershell.exe
Token: SeIncBasePriorityPrivilege	4496	powershell.exe
Token: SeCreatePagefilePrivilege	4496	powershell.exe
Token: SeBackupPrivilege	4496	powershell.exe
Token: SeRestorePrivilege	4496	powershell.exe
Token: SeShutdownPrivilege	4496	powershell.exe
Token: SeDebugPrivilege	4496	powershell.exe
Token: SeSystemEnvironmentPrivilege	4496	powershell.exe
Token: SeRemoteShutdownPrivilege	4496	powershell.exe
Token: SeUndockPrivilege	4496	powershell.exe
Token: SeManageVolumePrivilege	4496	powershell.exe
Token: 33	4496	powershell.exe
Token: 34	4496	powershell.exe
Token: 35	4496	powershell.exe
Token: 36	4496	powershell.exe
Token: SeIncreaseQuotaPrivilege	4496	powershell.exe
Token: SeSecurityPrivilege	4496	powershell.exe
Token: SeTakeOwnershipPrivilege	4496	powershell.exe
Token: SeLoadDriverPrivilege	4496	powershell.exe
Token: SeSystemProfilePrivilege	4496	powershell.exe
Token: SeSystemtimePrivilege	4496	powershell.exe
Token: SeProfSingleProcessPrivilege	4496	powershell.exe
Token: SeIncBasePriorityPrivilege	4496	powershell.exe
Token: SeCreatePagefilePrivilege	4496	powershell.exe
Token: SeBackupPrivilege	4496	powershell.exe
Token: SeRestorePrivilege	4496	powershell.exe
Token: SeShutdownPrivilege	4496	powershell.exe
Token: SeDebugPrivilege	4496	powershell.exe
Token: SeSystemEnvironmentPrivilege	4496	powershell.exe
Token: SeRemoteShutdownPrivilege	4496	powershell.exe
Token: SeUndockPrivilege	4496	powershell.exe
Token: SeManageVolumePrivilege	4496	powershell.exe
Token: 33	4496	powershell.exe
Token: 34	4496	powershell.exe
Token: 35	4496	powershell.exe
Token: 36	4496	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	Process	procid_target
PID 1988 wrote to memory of 3400	1988	wscript.EXE	99
PID 1988 wrote to memory of 3400	1988	wscript.EXE	99
PID 3400 wrote to memory of 4496	3400	cscript.exe	101
PID 3400 wrote to memory of 4496	3400	cscript.exe	101

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\4f2846f0cd6bdf7a93b1fa0b34844414bd287367edf203ef206c90f4bf6147e4.js
1⤵
PID:840

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE CULTUR~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "CULTUR~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3400
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Blocklisted process makes network request
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4496

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\Local\Temp\__PSScriptPolicyTest_swpwd2ow.t2d.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\CULTUR~1.JS

Filesize
43.5MB

MD5
c7fa3835de8bc61dac831d2719a64a33

SHA1
aec562944d852880619fe4a7c67a2f36d685ebc9

SHA256
bc71bfd085e89375dded036e65518df4f772dac440ef80de9aeebc3fd3b9ba14

SHA512
29ede48d0d99d5766d69e0964a6ee61b131b922d6b07b1528d6789507f9b6c8d11bc218563f5c902a98a94139dd80dbb621de98d418ec4e3a0dee8ae416e1d90

Download Submit
memory/4496-3-0x000002182BF00000-0x000002182BF22000-memory.dmp

Filesize
136KB

Download
memory/4496-13-0x00000218450F0000-0x0000021845134000-memory.dmp

Filesize
272KB

Download
memory/4496-14-0x00000218453C0000-0x0000021845436000-memory.dmp

Filesize
472KB

Download
memory/4496-15-0x0000021845640000-0x000002184566A000-memory.dmp

Filesize
168KB

Download
memory/4496-16-0x0000021845640000-0x0000021845664000-memory.dmp

Filesize
144KB

Download