gootloader | c3d9f7a1303c30f70fc683dc2ffd6177e47fa0b1f524ec24790c956a2df226d1

General

Target

pa collective agreement pay 25351.js
Size

9.9MB
MD5

528045881d2bd02bc605bafd7217e4bc
SHA1

a029dfb91a872648ccc55b657c1a4099de672baa
SHA256

c3d9f7a1303c30f70fc683dc2ffd6177e47fa0b1f524ec24790c956a2df226d1
SHA512

4446ca5e1d15ec649ecc2fae2d7be9bab83bcc0efe8521aef64288b6e68843c96c6687dd979d9020e5062568e117f46a43f11a88aa970cd8fd25b95e80ee47de
SSDEEP

49152:1SytwpCQK+UTSytwpCQK+UTSytwpCQK+UTSytwpCQK+UTSytwpCQK+UTSytwpCQ8:R

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
47	4992	powershell.exe
48	4992	powershell.exe
72	4992	powershell.exe
75	4992	powershell.exe
80	4992	powershell.exe
84	4992	powershell.exe
86	4992	powershell.exe
88	4992	powershell.exe
90	4992	powershell.exe
91	4992	powershell.exe
93	4992	powershell.exe
96	4992	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-1-5-21-3906287020-2915474608-1755617787-1000\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-1-5-21-3906287020-2915474608-1755617787-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

powershell.exe

pid	process
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe
4992	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeIncreaseQuotaPrivilege	4992	powershell.exe
Token: SeSecurityPrivilege	4992	powershell.exe
Token: SeTakeOwnershipPrivilege	4992	powershell.exe
Token: SeLoadDriverPrivilege	4992	powershell.exe
Token: SeSystemProfilePrivilege	4992	powershell.exe
Token: SeSystemtimePrivilege	4992	powershell.exe
Token: SeProfSingleProcessPrivilege	4992	powershell.exe
Token: SeIncBasePriorityPrivilege	4992	powershell.exe
Token: SeCreatePagefilePrivilege	4992	powershell.exe
Token: SeBackupPrivilege	4992	powershell.exe
Token: SeRestorePrivilege	4992	powershell.exe
Token: SeShutdownPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeSystemEnvironmentPrivilege	4992	powershell.exe
Token: SeRemoteShutdownPrivilege	4992	powershell.exe
Token: SeUndockPrivilege	4992	powershell.exe
Token: SeManageVolumePrivilege	4992	powershell.exe
Token: 33	4992	powershell.exe
Token: 34	4992	powershell.exe
Token: 35	4992	powershell.exe
Token: 36	4992	powershell.exe
Token: SeIncreaseQuotaPrivilege	4992	powershell.exe
Token: SeSecurityPrivilege	4992	powershell.exe
Token: SeTakeOwnershipPrivilege	4992	powershell.exe
Token: SeLoadDriverPrivilege	4992	powershell.exe
Token: SeSystemProfilePrivilege	4992	powershell.exe
Token: SeSystemtimePrivilege	4992	powershell.exe
Token: SeProfSingleProcessPrivilege	4992	powershell.exe
Token: SeIncBasePriorityPrivilege	4992	powershell.exe
Token: SeCreatePagefilePrivilege	4992	powershell.exe
Token: SeBackupPrivilege	4992	powershell.exe
Token: SeRestorePrivilege	4992	powershell.exe
Token: SeShutdownPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeSystemEnvironmentPrivilege	4992	powershell.exe
Token: SeRemoteShutdownPrivilege	4992	powershell.exe
Token: SeUndockPrivilege	4992	powershell.exe
Token: SeManageVolumePrivilege	4992	powershell.exe
Token: 33	4992	powershell.exe
Token: 34	4992	powershell.exe
Token: 35	4992	powershell.exe
Token: 36	4992	powershell.exe
Token: SeIncreaseQuotaPrivilege	4992	powershell.exe
Token: SeSecurityPrivilege	4992	powershell.exe
Token: SeTakeOwnershipPrivilege	4992	powershell.exe
Token: SeLoadDriverPrivilege	4992	powershell.exe
Token: SeSystemProfilePrivilege	4992	powershell.exe
Token: SeSystemtimePrivilege	4992	powershell.exe
Token: SeProfSingleProcessPrivilege	4992	powershell.exe
Token: SeIncBasePriorityPrivilege	4992	powershell.exe
Token: SeCreatePagefilePrivilege	4992	powershell.exe
Token: SeBackupPrivilege	4992	powershell.exe
Token: SeRestorePrivilege	4992	powershell.exe
Token: SeShutdownPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeSystemEnvironmentPrivilege	4992	powershell.exe
Token: SeRemoteShutdownPrivilege	4992	powershell.exe
Token: SeUndockPrivilege	4992	powershell.exe
Token: SeManageVolumePrivilege	4992	powershell.exe
Token: 33	4992	powershell.exe
Token: 34	4992	powershell.exe
Token: 35	4992	powershell.exe
Token: 36	4992	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 1920 wrote to memory of 4404	1920	wscript.EXE	cscript.exe
PID 1920 wrote to memory of 4404	1920	wscript.EXE	cscript.exe
PID 4404 wrote to memory of 4992	4404	cscript.exe	powershell.exe
PID 4404 wrote to memory of 4992	4404	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\pa collective agreement pay 25351.js"
1⤵
PID:628

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE INTELL~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "INTELL~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:4404

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:4992

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_cjtf3tqv.2kz.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\INTELL~1.JS
Filesize
41.2MB

MD5
7596ea9dc5f8b060c16fa702815d5b48

SHA1
ae60d29d8ec476b5cb21381316d69e516e5e78cd

SHA256
8548e66f56b8d4bc0f6a724ad954ba2e336b8e82d75a7a62eaf2134904ebdcab

SHA512
62d5a7e28dad745ce1a3dc16f32a65aaa00337b86dc5d8608f84f96ca7aecae91dcc51ef792ca6b0c479900e8504a59fb60129c05106d43825a5b5a3f840dc69

Download Submit
memory/4992-10-0x00000234A1F70000-0x00000234A1F92000-memory.dmp

Filesize
136KB

Download
memory/4992-13-0x00000234BC4F0000-0x00000234BC534000-memory.dmp

Filesize
272KB

Download
memory/4992-14-0x00000234BC920000-0x00000234BC996000-memory.dmp

Filesize
472KB

Download
memory/4992-15-0x00000234BCB90000-0x00000234BCBBA000-memory.dmp

Filesize
168KB

Download
memory/4992-16-0x00000234BCB90000-0x00000234BCBB4000-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