gootloader | 2cd0ad7a7787ec4689c9f9da6cf34c2d830ebfb13e651f5d0696f54b9574c6dc

Analysis

max time kernel
141s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 15:38

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General

Target

unionoftaxationemployeescollectiveagreement94254.js
Size

6.6MB
MD5

e40592dc72b2a8fa9b3e82c934b3f465
SHA1

b6cbfd8b419d287c4ecfb757aadea79f04d50606
SHA256

2cd0ad7a7787ec4689c9f9da6cf34c2d830ebfb13e651f5d0696f54b9574c6dc
SHA512

8c0a903b7a7ecfd658d445212eeea1d663735812df7d27c67538f6c3260410628ccddf4f6ba8ce3cc38811d8008095e5c8a4136a1da58ad1eb8f6c4c6968dd3f
SSDEEP

49152:+0c2nq1ZwFNEzIB/s+LfHQ30c2nq1ZwFNEzIB/s+LfHQ30c2nq1ZwFNEzIB/s+L7:+7777i

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 4 IoCs

flow	pid	Process
42	3740	powershell.exe
48	3740	powershell.exe
51	3740	powershell.exe
55	3740	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-1-5-21-2170637797-568393320-3232933035-1000\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-1-5-21-2170637797-568393320-3232933035-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe
3740	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeIncreaseQuotaPrivilege	3740	powershell.exe
Token: SeSecurityPrivilege	3740	powershell.exe
Token: SeTakeOwnershipPrivilege	3740	powershell.exe
Token: SeLoadDriverPrivilege	3740	powershell.exe
Token: SeSystemProfilePrivilege	3740	powershell.exe
Token: SeSystemtimePrivilege	3740	powershell.exe
Token: SeProfSingleProcessPrivilege	3740	powershell.exe
Token: SeIncBasePriorityPrivilege	3740	powershell.exe
Token: SeCreatePagefilePrivilege	3740	powershell.exe
Token: SeBackupPrivilege	3740	powershell.exe
Token: SeRestorePrivilege	3740	powershell.exe
Token: SeShutdownPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeSystemEnvironmentPrivilege	3740	powershell.exe
Token: SeRemoteShutdownPrivilege	3740	powershell.exe
Token: SeUndockPrivilege	3740	powershell.exe
Token: SeManageVolumePrivilege	3740	powershell.exe
Token: 33	3740	powershell.exe
Token: 34	3740	powershell.exe
Token: 35	3740	powershell.exe
Token: 36	3740	powershell.exe
Token: SeIncreaseQuotaPrivilege	3740	powershell.exe
Token: SeSecurityPrivilege	3740	powershell.exe
Token: SeTakeOwnershipPrivilege	3740	powershell.exe
Token: SeLoadDriverPrivilege	3740	powershell.exe
Token: SeSystemProfilePrivilege	3740	powershell.exe
Token: SeSystemtimePrivilege	3740	powershell.exe
Token: SeProfSingleProcessPrivilege	3740	powershell.exe
Token: SeIncBasePriorityPrivilege	3740	powershell.exe
Token: SeCreatePagefilePrivilege	3740	powershell.exe
Token: SeBackupPrivilege	3740	powershell.exe
Token: SeRestorePrivilege	3740	powershell.exe
Token: SeShutdownPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeSystemEnvironmentPrivilege	3740	powershell.exe
Token: SeRemoteShutdownPrivilege	3740	powershell.exe
Token: SeUndockPrivilege	3740	powershell.exe
Token: SeManageVolumePrivilege	3740	powershell.exe
Token: 33	3740	powershell.exe
Token: 34	3740	powershell.exe
Token: 35	3740	powershell.exe
Token: 36	3740	powershell.exe
Token: SeIncreaseQuotaPrivilege	3740	powershell.exe
Token: SeSecurityPrivilege	3740	powershell.exe
Token: SeTakeOwnershipPrivilege	3740	powershell.exe
Token: SeLoadDriverPrivilege	3740	powershell.exe
Token: SeSystemProfilePrivilege	3740	powershell.exe
Token: SeSystemtimePrivilege	3740	powershell.exe
Token: SeProfSingleProcessPrivilege	3740	powershell.exe
Token: SeIncBasePriorityPrivilege	3740	powershell.exe
Token: SeCreatePagefilePrivilege	3740	powershell.exe
Token: SeBackupPrivilege	3740	powershell.exe
Token: SeRestorePrivilege	3740	powershell.exe
Token: SeShutdownPrivilege	3740	powershell.exe
Token: SeDebugPrivilege	3740	powershell.exe
Token: SeSystemEnvironmentPrivilege	3740	powershell.exe
Token: SeRemoteShutdownPrivilege	3740	powershell.exe
Token: SeUndockPrivilege	3740	powershell.exe
Token: SeManageVolumePrivilege	3740	powershell.exe
Token: 33	3740	powershell.exe
Token: 34	3740	powershell.exe
Token: 35	3740	powershell.exe
Token: 36	3740	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4428 wrote to memory of 3576	4428	wscript.EXE	104
PID 4428 wrote to memory of 3576	4428	wscript.EXE	104
PID 3576 wrote to memory of 3740	3576	cscript.exe	106
PID 3576 wrote to memory of 3740	3576	cscript.exe	106

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\unionoftaxationemployeescollectiveagreement94254.js
1⤵
PID:1148

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4388,i,3210801877307184477,8078594481454001567,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:8
1⤵
PID:2152

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE PEAKPE~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "PEAKPE~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3576
- - 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:3740

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_fsrm3eds.xq3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\PEAKPE~1.JS

Filesize
45.8MB

MD5
39a78c28d3a8562c58f425b8177b0153

SHA1
689f966c148f042af26847d70a19a8775cbfc8c9

SHA256
78c940264e4f837f308fe0fca743f965b9d2ca47589d814f68e6da9f72be8668

SHA512
9491dc974392a4c88e2aa4409b2668ca84d34eac8f50b2504302deffdee5bf60fcd126137ce17903115b17f35937fe684cd3131e6db0705e86189b51725fdda3

Download Submit
memory/3740-3-0x0000026CA7580000-0x0000026CA75A2000-memory.dmp

Filesize
136KB

Download
memory/3740-13-0x0000026CC0580000-0x0000026CC05C4000-memory.dmp

Filesize
272KB

Download
memory/3740-14-0x0000026CC08A0000-0x0000026CC0916000-memory.dmp

Filesize
472KB

Download
memory/3740-15-0x0000026CC0AC0000-0x0000026CC0AEA000-memory.dmp

Filesize
168KB

Download
memory/3740-16-0x0000026CC0AC0000-0x0000026CC0AE4000-memory.dmp

Filesize
144KB

Download