gootloader | 8dc7a16681b340165f395d2f624307ab0bbb05671dbf2e0d4a8f418d4730e188

General

Target

union_of_taxation_employees_collective_agreement(70741).js
Size

3.9MB
MD5

21584a643666c13aa114ebac576086a4
SHA1

c3c44af9ad5eff0677e20d3ee51ff573123b268d
SHA256

8dc7a16681b340165f395d2f624307ab0bbb05671dbf2e0d4a8f418d4730e188
SHA512

8db79be4c2a21c13d3eb66316c7146b36a1ff06f590a8a13df38822cc922b1739463611b0ab1b64d45ccf2cf2da30d0cadf0cbe0b2d30b906791ff4ec63a2d6d
SSDEEP

24576:97Q5xcYozTt6QPV9LP7Q5xcYozTt6QPV9LP7Q5xcYozTt6QPV9LZ:97lzT1PV9r7lzT1PV9r7lzT1PV9l

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 9 IoCs

Processes:

powershell.exe

flow	pid	process
49	3180	powershell.exe
51	3180	powershell.exe
61	3180	powershell.exe
64	3180	powershell.exe
67	3180	powershell.exe
69	3180	powershell.exe
70	3180	powershell.exe
72	3180	powershell.exe
75	3180	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-1-5-21-1194130065-3471212556-1656947724-1000\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-1-5-21-1194130065-3471212556-1656947724-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

powershell.exe

pid	process
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe
3180	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeIncreaseQuotaPrivilege	3180	powershell.exe
Token: SeSecurityPrivilege	3180	powershell.exe
Token: SeTakeOwnershipPrivilege	3180	powershell.exe
Token: SeLoadDriverPrivilege	3180	powershell.exe
Token: SeSystemProfilePrivilege	3180	powershell.exe
Token: SeSystemtimePrivilege	3180	powershell.exe
Token: SeProfSingleProcessPrivilege	3180	powershell.exe
Token: SeIncBasePriorityPrivilege	3180	powershell.exe
Token: SeCreatePagefilePrivilege	3180	powershell.exe
Token: SeBackupPrivilege	3180	powershell.exe
Token: SeRestorePrivilege	3180	powershell.exe
Token: SeShutdownPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeSystemEnvironmentPrivilege	3180	powershell.exe
Token: SeRemoteShutdownPrivilege	3180	powershell.exe
Token: SeUndockPrivilege	3180	powershell.exe
Token: SeManageVolumePrivilege	3180	powershell.exe
Token: 33	3180	powershell.exe
Token: 34	3180	powershell.exe
Token: 35	3180	powershell.exe
Token: 36	3180	powershell.exe
Token: SeIncreaseQuotaPrivilege	3180	powershell.exe
Token: SeSecurityPrivilege	3180	powershell.exe
Token: SeTakeOwnershipPrivilege	3180	powershell.exe
Token: SeLoadDriverPrivilege	3180	powershell.exe
Token: SeSystemProfilePrivilege	3180	powershell.exe
Token: SeSystemtimePrivilege	3180	powershell.exe
Token: SeProfSingleProcessPrivilege	3180	powershell.exe
Token: SeIncBasePriorityPrivilege	3180	powershell.exe
Token: SeCreatePagefilePrivilege	3180	powershell.exe
Token: SeBackupPrivilege	3180	powershell.exe
Token: SeRestorePrivilege	3180	powershell.exe
Token: SeShutdownPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeSystemEnvironmentPrivilege	3180	powershell.exe
Token: SeRemoteShutdownPrivilege	3180	powershell.exe
Token: SeUndockPrivilege	3180	powershell.exe
Token: SeManageVolumePrivilege	3180	powershell.exe
Token: 33	3180	powershell.exe
Token: 34	3180	powershell.exe
Token: 35	3180	powershell.exe
Token: 36	3180	powershell.exe
Token: SeIncreaseQuotaPrivilege	3180	powershell.exe
Token: SeSecurityPrivilege	3180	powershell.exe
Token: SeTakeOwnershipPrivilege	3180	powershell.exe
Token: SeLoadDriverPrivilege	3180	powershell.exe
Token: SeSystemProfilePrivilege	3180	powershell.exe
Token: SeSystemtimePrivilege	3180	powershell.exe
Token: SeProfSingleProcessPrivilege	3180	powershell.exe
Token: SeIncBasePriorityPrivilege	3180	powershell.exe
Token: SeCreatePagefilePrivilege	3180	powershell.exe
Token: SeBackupPrivilege	3180	powershell.exe
Token: SeRestorePrivilege	3180	powershell.exe
Token: SeShutdownPrivilege	3180	powershell.exe
Token: SeDebugPrivilege	3180	powershell.exe
Token: SeSystemEnvironmentPrivilege	3180	powershell.exe
Token: SeRemoteShutdownPrivilege	3180	powershell.exe
Token: SeUndockPrivilege	3180	powershell.exe
Token: SeManageVolumePrivilege	3180	powershell.exe
Token: 33	3180	powershell.exe
Token: 34	3180	powershell.exe
Token: 35	3180	powershell.exe
Token: 36	3180	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 3472 wrote to memory of 1560	3472	wscript.EXE	cscript.exe
PID 3472 wrote to memory of 1560	3472	wscript.EXE	cscript.exe
PID 1560 wrote to memory of 3180	1560	cscript.exe	powershell.exe
PID 1560 wrote to memory of 3180	1560	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\union_of_taxation_employees_collective_agreement(70741).js
1⤵
PID:3236

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE KNOWLE~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3472

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" KNOWLE~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:1560

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:3180

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v24stytc.wbc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\KNOWLE~1.JS

Filesize
44.5MB

MD5
f548cc8529adc53682c9aa5422e4b722

SHA1
1dd840d628244fcceecba2dc5b54f9990f1d2eb8

SHA256
060a5f2f82a938b3cedf7367d47868cb3b75f0ab6f8398243b9daf25abb24f65

SHA512
559d0301967f4e1473b62183aa53205e90f8431505664636a0a56f7ec87e5432239b2ac70e29e7c19a747e050a3e31a804ec2dba4a32aa1eac9676b559572f00

Download Submit
memory/3180-8-0x000001F4322E0000-0x000001F432302000-memory.dmp

Filesize
136KB

Download
memory/3180-13-0x000001F44CD50000-0x000001F44CD94000-memory.dmp

Filesize
272KB

Download
memory/3180-14-0x000001F44CE20000-0x000001F44CE96000-memory.dmp

Filesize
472KB

Download
memory/3180-15-0x000001F44D060000-0x000001F44D08A000-memory.dmp

Filesize
168KB

Download
memory/3180-16-0x000001F44D060000-0x000001F44D084000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads