gootloader | 95e2205bfcc9cd16ce54c703dd3f514e49d6a606f8265fbf77b60388ba0fb00c

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 14:31

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General

Target

airline baggage agreement 31221.js
Size

8.8MB
MD5

ca93562528adff608bee7c962c65ed02
SHA1

8b2d9cb6f0133522f765c0de5222c24640ac1c4b
SHA256

95e2205bfcc9cd16ce54c703dd3f514e49d6a606f8265fbf77b60388ba0fb00c
SHA512

ed3a37a286297c2036e184e74073a8cbb6158ed2425ee16d1f6ddacc6803561758adee1c6828fce374abfdde492b2d5be8052664836e1db82f709c4a0a839b47
SSDEEP

49152:6ytwpCQK+7cytwpCQK+7cytwpCQK+7cytwpCQK+7cytwpCQK+7cytwpCQK+7cytd:H

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 3 IoCs

Processes:

powershell.exe

flow pid process

39 3872 powershell.exe
48 3872 powershell.exe
53 3872 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-1-5-21-4204450073-1267028356-951339405-1000\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

flow	pid	process
39	3872	powershell.exe
48	3872	powershell.exe
53	3872	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	wscript.EXE

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-1-5-21-4204450073-1267028356-951339405-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exe

pid process

3872 powershell.exe
3872 powershell.exe
3872 powershell.exe
3872 powershell.exe
3872 powershell.exe
3872 powershell.exe
3872 powershell.exe
3872 powershell.exe

pid	process
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe
3872	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeIncreaseQuotaPrivilege	3872	powershell.exe
Token: SeSecurityPrivilege	3872	powershell.exe
Token: SeTakeOwnershipPrivilege	3872	powershell.exe
Token: SeLoadDriverPrivilege	3872	powershell.exe
Token: SeSystemProfilePrivilege	3872	powershell.exe
Token: SeSystemtimePrivilege	3872	powershell.exe
Token: SeProfSingleProcessPrivilege	3872	powershell.exe
Token: SeIncBasePriorityPrivilege	3872	powershell.exe
Token: SeCreatePagefilePrivilege	3872	powershell.exe
Token: SeBackupPrivilege	3872	powershell.exe
Token: SeRestorePrivilege	3872	powershell.exe
Token: SeShutdownPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeSystemEnvironmentPrivilege	3872	powershell.exe
Token: SeRemoteShutdownPrivilege	3872	powershell.exe
Token: SeUndockPrivilege	3872	powershell.exe
Token: SeManageVolumePrivilege	3872	powershell.exe
Token: 33	3872	powershell.exe
Token: 34	3872	powershell.exe
Token: 35	3872	powershell.exe
Token: 36	3872	powershell.exe
Token: SeIncreaseQuotaPrivilege	3872	powershell.exe
Token: SeSecurityPrivilege	3872	powershell.exe
Token: SeTakeOwnershipPrivilege	3872	powershell.exe
Token: SeLoadDriverPrivilege	3872	powershell.exe
Token: SeSystemProfilePrivilege	3872	powershell.exe
Token: SeSystemtimePrivilege	3872	powershell.exe
Token: SeProfSingleProcessPrivilege	3872	powershell.exe
Token: SeIncBasePriorityPrivilege	3872	powershell.exe
Token: SeCreatePagefilePrivilege	3872	powershell.exe
Token: SeBackupPrivilege	3872	powershell.exe
Token: SeRestorePrivilege	3872	powershell.exe
Token: SeShutdownPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeSystemEnvironmentPrivilege	3872	powershell.exe
Token: SeRemoteShutdownPrivilege	3872	powershell.exe
Token: SeUndockPrivilege	3872	powershell.exe
Token: SeManageVolumePrivilege	3872	powershell.exe
Token: 33	3872	powershell.exe
Token: 34	3872	powershell.exe
Token: 35	3872	powershell.exe
Token: 36	3872	powershell.exe
Token: SeIncreaseQuotaPrivilege	3872	powershell.exe
Token: SeSecurityPrivilege	3872	powershell.exe
Token: SeTakeOwnershipPrivilege	3872	powershell.exe
Token: SeLoadDriverPrivilege	3872	powershell.exe
Token: SeSystemProfilePrivilege	3872	powershell.exe
Token: SeSystemtimePrivilege	3872	powershell.exe
Token: SeProfSingleProcessPrivilege	3872	powershell.exe
Token: SeIncBasePriorityPrivilege	3872	powershell.exe
Token: SeCreatePagefilePrivilege	3872	powershell.exe
Token: SeBackupPrivilege	3872	powershell.exe
Token: SeRestorePrivilege	3872	powershell.exe
Token: SeShutdownPrivilege	3872	powershell.exe
Token: SeDebugPrivilege	3872	powershell.exe
Token: SeSystemEnvironmentPrivilege	3872	powershell.exe
Token: SeRemoteShutdownPrivilege	3872	powershell.exe
Token: SeUndockPrivilege	3872	powershell.exe
Token: SeManageVolumePrivilege	3872	powershell.exe
Token: 33	3872	powershell.exe
Token: 34	3872	powershell.exe
Token: 35	3872	powershell.exe
Token: 36	3872	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 3228 wrote to memory of 4392	3228	wscript.EXE	cscript.exe
PID 3228 wrote to memory of 4392	3228	wscript.EXE	cscript.exe
PID 4392 wrote to memory of 3872	4392	cscript.exe	powershell.exe
PID 4392 wrote to memory of 3872	4392	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\airline baggage agreement 31221.js"
1⤵
PID:4660

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE WEB-BA~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3228

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "WEB-BA~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:4392

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:3872

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_twbzxujc.ujd.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\WEB-BA~1.JS
Filesize
39.9MB

MD5
13aec28e171c57e33dcc53916e0d74e0

SHA1
613c526933b61d59c122c7a83fffd0fc04e950a8

SHA256
5455f46fc2fa2a81e48f11d5346062758cc6993ca5350c87564a9879e92c432c

SHA512
6eff6c1df0001f42c8ff3db2527a5d83d73c9b478a6a274719b0e082e0ac9f84db123d2f767bbf1f1b7bfcd7d467751effcc073b7dfa848f3c63843a7e664098

Download Submit
memory/3872-12-0x0000025B757C0000-0x0000025B757E2000-memory.dmp

Filesize
136KB

Download
memory/3872-13-0x0000025B77DA0000-0x0000025B77DE4000-memory.dmp

Filesize
272KB

Download
memory/3872-14-0x0000025B77DF0000-0x0000025B77E66000-memory.dmp

Filesize
472KB

Download
memory/3872-15-0x0000025B78080000-0x0000025B780AA000-memory.dmp

Filesize
168KB

Download
memory/3872-16-0x0000025B78080000-0x0000025B780A4000-memory.dmp

Filesize
144KB

Download