gootloader | 5f2ee690f0d412b8e8003f7bdf4ecf813c5f99e930ea7dbda0154f913e68be54

General

Target

sample signature page for agreement 50504.js
Size

6.6MB
MD5

5f9509cada03763da54b72f4f3b09e9c
SHA1

e7b044d7a16bbe841baec19d4d1ed2150f469026
SHA256

5f2ee690f0d412b8e8003f7bdf4ecf813c5f99e930ea7dbda0154f913e68be54
SHA512

15216d1ca7ed0c7419a2f7d30bdb355597fe4f81ca9b98d0687e960974927f364856629524461b84984bc87d2eb1d837f709539a093384130e2ee40183fe7b62
SSDEEP

49152:1WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQK+O3WytwpCQA:1ZZZZZj

Score

10^/10

gootloader execution loader

Malware Config

Signatures

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

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-1-5-21-1181767204-2009306918-3718769404-1000\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\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exe

pid	process
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe
4484	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeIncreaseQuotaPrivilege	4484	powershell.exe
Token: SeSecurityPrivilege	4484	powershell.exe
Token: SeTakeOwnershipPrivilege	4484	powershell.exe
Token: SeLoadDriverPrivilege	4484	powershell.exe
Token: SeSystemProfilePrivilege	4484	powershell.exe
Token: SeSystemtimePrivilege	4484	powershell.exe
Token: SeProfSingleProcessPrivilege	4484	powershell.exe
Token: SeIncBasePriorityPrivilege	4484	powershell.exe
Token: SeCreatePagefilePrivilege	4484	powershell.exe
Token: SeBackupPrivilege	4484	powershell.exe
Token: SeRestorePrivilege	4484	powershell.exe
Token: SeShutdownPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeSystemEnvironmentPrivilege	4484	powershell.exe
Token: SeRemoteShutdownPrivilege	4484	powershell.exe
Token: SeUndockPrivilege	4484	powershell.exe
Token: SeManageVolumePrivilege	4484	powershell.exe
Token: 33	4484	powershell.exe
Token: 34	4484	powershell.exe
Token: 35	4484	powershell.exe
Token: 36	4484	powershell.exe
Token: SeIncreaseQuotaPrivilege	4484	powershell.exe
Token: SeSecurityPrivilege	4484	powershell.exe
Token: SeTakeOwnershipPrivilege	4484	powershell.exe
Token: SeLoadDriverPrivilege	4484	powershell.exe
Token: SeSystemProfilePrivilege	4484	powershell.exe
Token: SeSystemtimePrivilege	4484	powershell.exe
Token: SeProfSingleProcessPrivilege	4484	powershell.exe
Token: SeIncBasePriorityPrivilege	4484	powershell.exe
Token: SeCreatePagefilePrivilege	4484	powershell.exe
Token: SeBackupPrivilege	4484	powershell.exe
Token: SeRestorePrivilege	4484	powershell.exe
Token: SeShutdownPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeSystemEnvironmentPrivilege	4484	powershell.exe
Token: SeRemoteShutdownPrivilege	4484	powershell.exe
Token: SeUndockPrivilege	4484	powershell.exe
Token: SeManageVolumePrivilege	4484	powershell.exe
Token: 33	4484	powershell.exe
Token: 34	4484	powershell.exe
Token: 35	4484	powershell.exe
Token: 36	4484	powershell.exe
Token: SeIncreaseQuotaPrivilege	4484	powershell.exe
Token: SeSecurityPrivilege	4484	powershell.exe
Token: SeTakeOwnershipPrivilege	4484	powershell.exe
Token: SeLoadDriverPrivilege	4484	powershell.exe
Token: SeSystemProfilePrivilege	4484	powershell.exe
Token: SeSystemtimePrivilege	4484	powershell.exe
Token: SeProfSingleProcessPrivilege	4484	powershell.exe
Token: SeIncBasePriorityPrivilege	4484	powershell.exe
Token: SeCreatePagefilePrivilege	4484	powershell.exe
Token: SeBackupPrivilege	4484	powershell.exe
Token: SeRestorePrivilege	4484	powershell.exe
Token: SeShutdownPrivilege	4484	powershell.exe
Token: SeDebugPrivilege	4484	powershell.exe
Token: SeSystemEnvironmentPrivilege	4484	powershell.exe
Token: SeRemoteShutdownPrivilege	4484	powershell.exe
Token: SeUndockPrivilege	4484	powershell.exe
Token: SeManageVolumePrivilege	4484	powershell.exe
Token: 33	4484	powershell.exe
Token: 34	4484	powershell.exe
Token: 35	4484	powershell.exe
Token: 36	4484	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 2476 wrote to memory of 1720	2476	wscript.EXE	cscript.exe
PID 2476 wrote to memory of 1720	2476	wscript.EXE	cscript.exe
PID 1720 wrote to memory of 4484	1720	cscript.exe	powershell.exe
PID 1720 wrote to memory of 4484	1720	cscript.exe	powershell.exe

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\sample signature page for agreement 50504.js"
1⤵
PID:4072

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 --no-appcompat-clear --field-trial-handle=1036,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
1⤵
PID:116

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE NEWPRO~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2476

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "NEWPRO~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell
3⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4484

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

JavaScript

1

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hyeucpy5.cat.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\NEWPRO~1.JS
Filesize
44.4MB

MD5
5248626e534b9fda762e92dfd061c672

SHA1
4d5db87f4b01989a4159527ab80a8d5021eb520b

SHA256
fd1393d252f95c4472cdb8c0d655fea5797ac585d14c90cc83b806feb6249e9b

SHA512
bf0daf5ff791420348d045ee3dea368344e5950b42a854f9b10cef3921a41907fa586958f2fb9b31933a69381d0a58d9980727a3839186940be02be152e61b90

Download Submit
memory/4484-3-0x0000019BB0750000-0x0000019BB0772000-memory.dmp

Filesize
136KB

Download
memory/4484-13-0x0000019BB0C90000-0x0000019BB0CD4000-memory.dmp

Filesize
272KB

Download
memory/4484-14-0x0000019BB0CE0000-0x0000019BB0D56000-memory.dmp

Filesize
472KB

Download
memory/4484-15-0x0000019BB0F90000-0x0000019BB0FBA000-memory.dmp

Filesize
168KB

Download
memory/4484-16-0x0000019BB0F90000-0x0000019BB0FB4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads