gootloader | 75816e07ba8ddb18c9bdbb04cfb4b506b31eb83cd6573943b3ca46446353dc13

Analysis

max time kernel
135s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
66	376	powershell.exe
72	376	powershell.exe
75	376	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000\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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-869607583-2483572573-2297019986-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
376	powershell.exe
376	powershell.exe
376	powershell.exe
376	powershell.exe
376	powershell.exe
376	powershell.exe
376	powershell.exe
376	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	376	powershell.exe
Token: SeIncreaseQuotaPrivilege	376	powershell.exe
Token: SeSecurityPrivilege	376	powershell.exe
Token: SeTakeOwnershipPrivilege	376	powershell.exe
Token: SeLoadDriverPrivilege	376	powershell.exe
Token: SeSystemProfilePrivilege	376	powershell.exe
Token: SeSystemtimePrivilege	376	powershell.exe
Token: SeProfSingleProcessPrivilege	376	powershell.exe
Token: SeIncBasePriorityPrivilege	376	powershell.exe
Token: SeCreatePagefilePrivilege	376	powershell.exe
Token: SeBackupPrivilege	376	powershell.exe
Token: SeRestorePrivilege	376	powershell.exe
Token: SeShutdownPrivilege	376	powershell.exe
Token: SeDebugPrivilege	376	powershell.exe
Token: SeSystemEnvironmentPrivilege	376	powershell.exe
Token: SeRemoteShutdownPrivilege	376	powershell.exe
Token: SeUndockPrivilege	376	powershell.exe
Token: SeManageVolumePrivilege	376	powershell.exe
Token: 33	376	powershell.exe
Token: 34	376	powershell.exe
Token: 35	376	powershell.exe
Token: 36	376	powershell.exe
Token: SeIncreaseQuotaPrivilege	376	powershell.exe
Token: SeSecurityPrivilege	376	powershell.exe
Token: SeTakeOwnershipPrivilege	376	powershell.exe
Token: SeLoadDriverPrivilege	376	powershell.exe
Token: SeSystemProfilePrivilege	376	powershell.exe
Token: SeSystemtimePrivilege	376	powershell.exe
Token: SeProfSingleProcessPrivilege	376	powershell.exe
Token: SeIncBasePriorityPrivilege	376	powershell.exe
Token: SeCreatePagefilePrivilege	376	powershell.exe
Token: SeBackupPrivilege	376	powershell.exe
Token: SeRestorePrivilege	376	powershell.exe
Token: SeShutdownPrivilege	376	powershell.exe
Token: SeDebugPrivilege	376	powershell.exe
Token: SeSystemEnvironmentPrivilege	376	powershell.exe
Token: SeRemoteShutdownPrivilege	376	powershell.exe
Token: SeUndockPrivilege	376	powershell.exe
Token: SeManageVolumePrivilege	376	powershell.exe
Token: 33	376	powershell.exe
Token: 34	376	powershell.exe
Token: 35	376	powershell.exe
Token: 36	376	powershell.exe
Token: SeIncreaseQuotaPrivilege	376	powershell.exe
Token: SeSecurityPrivilege	376	powershell.exe
Token: SeTakeOwnershipPrivilege	376	powershell.exe
Token: SeLoadDriverPrivilege	376	powershell.exe
Token: SeSystemProfilePrivilege	376	powershell.exe
Token: SeSystemtimePrivilege	376	powershell.exe
Token: SeProfSingleProcessPrivilege	376	powershell.exe
Token: SeIncBasePriorityPrivilege	376	powershell.exe
Token: SeCreatePagefilePrivilege	376	powershell.exe
Token: SeBackupPrivilege	376	powershell.exe
Token: SeRestorePrivilege	376	powershell.exe
Token: SeShutdownPrivilege	376	powershell.exe
Token: SeDebugPrivilege	376	powershell.exe
Token: SeSystemEnvironmentPrivilege	376	powershell.exe
Token: SeRemoteShutdownPrivilege	376	powershell.exe
Token: SeUndockPrivilege	376	powershell.exe
Token: SeManageVolumePrivilege	376	powershell.exe
Token: 33	376	powershell.exe
Token: 34	376	powershell.exe
Token: 35	376	powershell.exe
Token: 36	376	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 4476	4012	wscript.EXE	107
PID 4012 wrote to memory of 4476	4012	wscript.EXE	107
PID 4476 wrote to memory of 376	4476	cscript.exe	110
PID 4476 wrote to memory of 376	4476	cscript.exe	110

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:3796

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE BRITIS~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "BRITIS~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4476
- - 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:376

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_j1omew15.j2o.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Sun\BRITIS~1.JS

Filesize
39.9MB

MD5
7f38f78a529c806e29905ed425f87f3a

SHA1
d838b1902f30a973905b1d7e89b1b300daa9abaa

SHA256
03f6cd790090de091c69dc208a927126e6ef13a0293aa5f3c2896b89dbbd2558

SHA512
fc89c0acc45ae7de5ef40482cbe12d12fb0dddb0d010ef741ea88b34fd0a98e0008ef3dd7d53c46a01a3dab13f7020d9d92a253e5d3d43b910224a87f1667c46

Download Submit
memory/376-3-0x000001CFE7EE0000-0x000001CFE7F02000-memory.dmp

Filesize
136KB

Download
memory/376-13-0x000001CFE7F60000-0x000001CFE7FA4000-memory.dmp

Filesize
272KB

Download
memory/376-14-0x000001D000080000-0x000001D0000F6000-memory.dmp

Filesize
472KB

Download
memory/376-15-0x000001CFE7F10000-0x000001CFE7F3A000-memory.dmp

Filesize
168KB

Download
memory/376-16-0x000001CFE7F10000-0x000001CFE7F34000-memory.dmp

Filesize
144KB

Download