gootloader | aa69518515803dc5f4126950d94443f0bc281a71b08441b704e2459f4f3f8511

General

Target

unionoftaxationemployeescollectiveagreement31442.js
Size

9.0MB
MD5

ebc47d7b05d2cb462f3366cd0a62d595
SHA1

41b1b09e348e0cea83c9840cef8565fbc15e40e4
SHA256

aa69518515803dc5f4126950d94443f0bc281a71b08441b704e2459f4f3f8511
SHA512

ccceaa7db00f1ad820b2171cbfefbad0e554a9c211527e934f364bef84241fe1f021cbd5dd2ac9f652dc84419260789d169d291657d09c6a5e2420e075302d22
SSDEEP

49152:BjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9PjF0tlPV9l:aPVWPVWPVWPVWPVWPVWPVD

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

42 216 powershell.exe
49 216 powershell.exe
52 216 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-1-5-21-523280732-2327480845-3730041215-1000\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
42	216	powershell.exe
49	216	powershell.exe
52	216	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exe

pid process

216 powershell.exe
216 powershell.exe
216 powershell.exe
216 powershell.exe
216 powershell.exe
216 powershell.exe
216 powershell.exe
216 powershell.exe

pid	process
216	powershell.exe
216	powershell.exe
216	powershell.exe
216	powershell.exe
216	powershell.exe
216	powershell.exe
216	powershell.exe
216	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	216	powershell.exe
Token: SeIncreaseQuotaPrivilege	216	powershell.exe
Token: SeSecurityPrivilege	216	powershell.exe
Token: SeTakeOwnershipPrivilege	216	powershell.exe
Token: SeLoadDriverPrivilege	216	powershell.exe
Token: SeSystemProfilePrivilege	216	powershell.exe
Token: SeSystemtimePrivilege	216	powershell.exe
Token: SeProfSingleProcessPrivilege	216	powershell.exe
Token: SeIncBasePriorityPrivilege	216	powershell.exe
Token: SeCreatePagefilePrivilege	216	powershell.exe
Token: SeBackupPrivilege	216	powershell.exe
Token: SeRestorePrivilege	216	powershell.exe
Token: SeShutdownPrivilege	216	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeSystemEnvironmentPrivilege	216	powershell.exe
Token: SeRemoteShutdownPrivilege	216	powershell.exe
Token: SeUndockPrivilege	216	powershell.exe
Token: SeManageVolumePrivilege	216	powershell.exe
Token: 33	216	powershell.exe
Token: 34	216	powershell.exe
Token: 35	216	powershell.exe
Token: 36	216	powershell.exe
Token: SeIncreaseQuotaPrivilege	216	powershell.exe
Token: SeSecurityPrivilege	216	powershell.exe
Token: SeTakeOwnershipPrivilege	216	powershell.exe
Token: SeLoadDriverPrivilege	216	powershell.exe
Token: SeSystemProfilePrivilege	216	powershell.exe
Token: SeSystemtimePrivilege	216	powershell.exe
Token: SeProfSingleProcessPrivilege	216	powershell.exe
Token: SeIncBasePriorityPrivilege	216	powershell.exe
Token: SeCreatePagefilePrivilege	216	powershell.exe
Token: SeBackupPrivilege	216	powershell.exe
Token: SeRestorePrivilege	216	powershell.exe
Token: SeShutdownPrivilege	216	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeSystemEnvironmentPrivilege	216	powershell.exe
Token: SeRemoteShutdownPrivilege	216	powershell.exe
Token: SeUndockPrivilege	216	powershell.exe
Token: SeManageVolumePrivilege	216	powershell.exe
Token: 33	216	powershell.exe
Token: 34	216	powershell.exe
Token: 35	216	powershell.exe
Token: 36	216	powershell.exe
Token: SeIncreaseQuotaPrivilege	216	powershell.exe
Token: SeSecurityPrivilege	216	powershell.exe
Token: SeTakeOwnershipPrivilege	216	powershell.exe
Token: SeLoadDriverPrivilege	216	powershell.exe
Token: SeSystemProfilePrivilege	216	powershell.exe
Token: SeSystemtimePrivilege	216	powershell.exe
Token: SeProfSingleProcessPrivilege	216	powershell.exe
Token: SeIncBasePriorityPrivilege	216	powershell.exe
Token: SeCreatePagefilePrivilege	216	powershell.exe
Token: SeBackupPrivilege	216	powershell.exe
Token: SeRestorePrivilege	216	powershell.exe
Token: SeShutdownPrivilege	216	powershell.exe
Token: SeDebugPrivilege	216	powershell.exe
Token: SeSystemEnvironmentPrivilege	216	powershell.exe
Token: SeRemoteShutdownPrivilege	216	powershell.exe
Token: SeUndockPrivilege	216	powershell.exe
Token: SeManageVolumePrivilege	216	powershell.exe
Token: 33	216	powershell.exe
Token: 34	216	powershell.exe
Token: 35	216	powershell.exe
Token: 36	216	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 4588 wrote to memory of 1452	4588	wscript.EXE	cscript.exe
PID 4588 wrote to memory of 1452	4588	wscript.EXE	cscript.exe
PID 1452 wrote to memory of 216	1452	cscript.exe	powershell.exe
PID 1452 wrote to memory of 216	1452	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\unionoftaxationemployeescollectiveagreement31442.js
1⤵
PID:4892

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE GUIDEL~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4588

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" GUIDEL~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:1452

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:216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rrwk2y3f.j3f.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
45.7MB

MD5
b66686ad0668f57a7d9fb203ff381d70

SHA1
910b44d48d45f7377d231f92666f25608248fa8b

SHA256
d9a001b47c965d3b797808e3dde7fcac423b132d1727bc1adb5ad6adda6b1865

SHA512
3a28e98fd81af006c6373b1066d15094fdb402663bf602eb15b851e057e312ff1f0957d848ca5e6a2e1ca8115aa74ad9b4fba4d62a84d0c30dbc8098d861093e

Download Submit
memory/216-10-0x0000019170E90000-0x0000019170EB2000-memory.dmp

Filesize
136KB

Download
memory/216-13-0x0000019171510000-0x0000019171554000-memory.dmp

Filesize
272KB

Download
memory/216-14-0x0000019173A30000-0x0000019173AA6000-memory.dmp

Filesize
472KB

Download
memory/216-15-0x0000019173CE0000-0x0000019173D0A000-memory.dmp

Filesize
168KB

Download
memory/216-16-0x0000019173CE0000-0x0000019173D04000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads