gootloader | 3876d44d7aa8e213ee680f2390850ad2464c98e96f5bddc2fd2a3c2fadfc5686

Analysis

max time kernel
298s
max time network
300s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 12:01

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General

Target

union_of_taxation_employees_collective_agreement(5199).js
Size

9.0MB
MD5

9f3c383042e789c18b0d5f9711617eae
SHA1

ebd6a4b4cc29531e0d0934e3b39d028dcb27de71
SHA256

3876d44d7aa8e213ee680f2390850ad2464c98e96f5bddc2fd2a3c2fadfc5686
SHA512

2e3519cca51f2477bcaaaee5953f817caecf846d3f44e01ec3670a3698ece5a6cd416dfa0857648eebc19c2e3dcc08072e1e3dba5bb025594d2f55e9ce111237
SSDEEP

49152:GQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9l:YxPVUxPVUxPVUxPVUxPVUxPVUxPVD

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 12 IoCs

Processes:

powershell.exe

flow	pid	Process
44	2004	powershell.exe
53	2004	powershell.exe
56	2004	powershell.exe
59	2004	powershell.exe
61	2004	powershell.exe
62	2004	powershell.exe
63	2004	powershell.exe
65	2004	powershell.exe
68	2004	powershell.exe
69	2004	powershell.exe
71	2004	powershell.exe
73	2004	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-1-5-21-656926755-4116854191-210765258-1000\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-1-5-21-656926755-4116854191-210765258-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exe

pid	Process
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe
2004	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	2004	powershell.exe
Token: SeIncreaseQuotaPrivilege	2004	powershell.exe
Token: SeSecurityPrivilege	2004	powershell.exe
Token: SeTakeOwnershipPrivilege	2004	powershell.exe
Token: SeLoadDriverPrivilege	2004	powershell.exe
Token: SeSystemProfilePrivilege	2004	powershell.exe
Token: SeSystemtimePrivilege	2004	powershell.exe
Token: SeProfSingleProcessPrivilege	2004	powershell.exe
Token: SeIncBasePriorityPrivilege	2004	powershell.exe
Token: SeCreatePagefilePrivilege	2004	powershell.exe
Token: SeBackupPrivilege	2004	powershell.exe
Token: SeRestorePrivilege	2004	powershell.exe
Token: SeShutdownPrivilege	2004	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe
Token: SeSystemEnvironmentPrivilege	2004	powershell.exe
Token: SeRemoteShutdownPrivilege	2004	powershell.exe
Token: SeUndockPrivilege	2004	powershell.exe
Token: SeManageVolumePrivilege	2004	powershell.exe
Token: 33	2004	powershell.exe
Token: 34	2004	powershell.exe
Token: 35	2004	powershell.exe
Token: 36	2004	powershell.exe
Token: SeIncreaseQuotaPrivilege	2004	powershell.exe
Token: SeSecurityPrivilege	2004	powershell.exe
Token: SeTakeOwnershipPrivilege	2004	powershell.exe
Token: SeLoadDriverPrivilege	2004	powershell.exe
Token: SeSystemProfilePrivilege	2004	powershell.exe
Token: SeSystemtimePrivilege	2004	powershell.exe
Token: SeProfSingleProcessPrivilege	2004	powershell.exe
Token: SeIncBasePriorityPrivilege	2004	powershell.exe
Token: SeCreatePagefilePrivilege	2004	powershell.exe
Token: SeBackupPrivilege	2004	powershell.exe
Token: SeRestorePrivilege	2004	powershell.exe
Token: SeShutdownPrivilege	2004	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe
Token: SeSystemEnvironmentPrivilege	2004	powershell.exe
Token: SeRemoteShutdownPrivilege	2004	powershell.exe
Token: SeUndockPrivilege	2004	powershell.exe
Token: SeManageVolumePrivilege	2004	powershell.exe
Token: 33	2004	powershell.exe
Token: 34	2004	powershell.exe
Token: 35	2004	powershell.exe
Token: 36	2004	powershell.exe
Token: SeIncreaseQuotaPrivilege	2004	powershell.exe
Token: SeSecurityPrivilege	2004	powershell.exe
Token: SeTakeOwnershipPrivilege	2004	powershell.exe
Token: SeLoadDriverPrivilege	2004	powershell.exe
Token: SeSystemProfilePrivilege	2004	powershell.exe
Token: SeSystemtimePrivilege	2004	powershell.exe
Token: SeProfSingleProcessPrivilege	2004	powershell.exe
Token: SeIncBasePriorityPrivilege	2004	powershell.exe
Token: SeCreatePagefilePrivilege	2004	powershell.exe
Token: SeBackupPrivilege	2004	powershell.exe
Token: SeRestorePrivilege	2004	powershell.exe
Token: SeShutdownPrivilege	2004	powershell.exe
Token: SeDebugPrivilege	2004	powershell.exe
Token: SeSystemEnvironmentPrivilege	2004	powershell.exe
Token: SeRemoteShutdownPrivilege	2004	powershell.exe
Token: SeUndockPrivilege	2004	powershell.exe
Token: SeManageVolumePrivilege	2004	powershell.exe
Token: 33	2004	powershell.exe
Token: 34	2004	powershell.exe
Token: 35	2004	powershell.exe
Token: 36	2004	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2352 wrote to memory of 3636	2352	wscript.EXE	92
PID 2352 wrote to memory of 3636	2352	wscript.EXE	92
PID 3636 wrote to memory of 2004	3636	cscript.exe	94
PID 3636 wrote to memory of 2004	3636	cscript.exe	94

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\union_of_taxation_employees_collective_agreement(5199).js
1⤵
PID:1748

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE CERTIF~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" CERTIF~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3636
- - 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:2004

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\Local\Temp\__PSScriptPolicyTest_ayjp1wbi.zu0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\CERTIF~1.JS

Filesize
40.4MB

MD5
81a415c4bb95d2e027b132c81e1223ef

SHA1
8f0a18608f5e8c4e1209b94dc29af2208e3e8117

SHA256
42f897fe0748bbd416e599f74c187847d54a259be5e7a0ad0252ea934005789f

SHA512
6477174d3d9bdb97c8bece7ee13ce7a99d4c201ed26a38830ce82952ffb5cc42d2e7184b897499009b6fecf2718bd832292fb5d12280c3d360d59403502d0ad5

Download Submit
memory/2004-3-0x000001B9FEC40000-0x000001B9FEC62000-memory.dmp

Filesize
136KB

Download
memory/2004-13-0x000001B9FEC70000-0x000001B9FECB4000-memory.dmp

Filesize
272KB

Download
memory/2004-14-0x000001B9FED40000-0x000001B9FEDB6000-memory.dmp

Filesize
472KB

Download
memory/2004-15-0x000001B9FECC0000-0x000001B9FECEA000-memory.dmp

Filesize
168KB

Download
memory/2004-16-0x000001B9FECC0000-0x000001B9FECE4000-memory.dmp

Filesize
144KB

Download