gootloader | ce65f287ae04e41c01f6626665c8da528a982e71273470c45b27890f6fdd5c3c

General

Target

union_of_taxation_employees_collective_agreement(55046).js
Size

3.9MB
MD5

446dd7bc70c650d23613c4f100fb50b0
SHA1

91a223d7cde592b3e066b95741e84e1904856351
SHA256

ce65f287ae04e41c01f6626665c8da528a982e71273470c45b27890f6fdd5c3c
SHA512

3bdd33be83d2e0cb2327001fee752ae58af24b2a4cf83eec9863f114923ad9d769aee50ff8cc05ff4edf20cefd9bb9b47e2b9a56c334bc1307c58c94e2b7be04
SSDEEP

24576:Edm5xI0HKPFQPV9Ladm5xI0HKPFQPV9Ladm5xI0HKPFQPV9LZ:Ed4KuPV9ed4KuPV9ed4KuPV9l

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 11 IoCs

Processes:

powershell.exe

flow	pid	process
34	3332	powershell.exe
42	3332	powershell.exe
45	3332	powershell.exe
48	3332	powershell.exe
50	3332	powershell.exe
53	3332	powershell.exe
55	3332	powershell.exe
57	3332	powershell.exe
58	3332	powershell.exe
59	3332	powershell.exe
61	3332	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-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

powershell.exe

pid	process
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe
3332	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeIncreaseQuotaPrivilege	3332	powershell.exe
Token: SeSecurityPrivilege	3332	powershell.exe
Token: SeTakeOwnershipPrivilege	3332	powershell.exe
Token: SeLoadDriverPrivilege	3332	powershell.exe
Token: SeSystemProfilePrivilege	3332	powershell.exe
Token: SeSystemtimePrivilege	3332	powershell.exe
Token: SeProfSingleProcessPrivilege	3332	powershell.exe
Token: SeIncBasePriorityPrivilege	3332	powershell.exe
Token: SeCreatePagefilePrivilege	3332	powershell.exe
Token: SeBackupPrivilege	3332	powershell.exe
Token: SeRestorePrivilege	3332	powershell.exe
Token: SeShutdownPrivilege	3332	powershell.exe
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeSystemEnvironmentPrivilege	3332	powershell.exe
Token: SeRemoteShutdownPrivilege	3332	powershell.exe
Token: SeUndockPrivilege	3332	powershell.exe
Token: SeManageVolumePrivilege	3332	powershell.exe
Token: 33	3332	powershell.exe
Token: 34	3332	powershell.exe
Token: 35	3332	powershell.exe
Token: 36	3332	powershell.exe
Token: SeIncreaseQuotaPrivilege	3332	powershell.exe
Token: SeSecurityPrivilege	3332	powershell.exe
Token: SeTakeOwnershipPrivilege	3332	powershell.exe
Token: SeLoadDriverPrivilege	3332	powershell.exe
Token: SeSystemProfilePrivilege	3332	powershell.exe
Token: SeSystemtimePrivilege	3332	powershell.exe
Token: SeProfSingleProcessPrivilege	3332	powershell.exe
Token: SeIncBasePriorityPrivilege	3332	powershell.exe
Token: SeCreatePagefilePrivilege	3332	powershell.exe
Token: SeBackupPrivilege	3332	powershell.exe
Token: SeRestorePrivilege	3332	powershell.exe
Token: SeShutdownPrivilege	3332	powershell.exe
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeSystemEnvironmentPrivilege	3332	powershell.exe
Token: SeRemoteShutdownPrivilege	3332	powershell.exe
Token: SeUndockPrivilege	3332	powershell.exe
Token: SeManageVolumePrivilege	3332	powershell.exe
Token: 33	3332	powershell.exe
Token: 34	3332	powershell.exe
Token: 35	3332	powershell.exe
Token: 36	3332	powershell.exe
Token: SeIncreaseQuotaPrivilege	3332	powershell.exe
Token: SeSecurityPrivilege	3332	powershell.exe
Token: SeTakeOwnershipPrivilege	3332	powershell.exe
Token: SeLoadDriverPrivilege	3332	powershell.exe
Token: SeSystemProfilePrivilege	3332	powershell.exe
Token: SeSystemtimePrivilege	3332	powershell.exe
Token: SeProfSingleProcessPrivilege	3332	powershell.exe
Token: SeIncBasePriorityPrivilege	3332	powershell.exe
Token: SeCreatePagefilePrivilege	3332	powershell.exe
Token: SeBackupPrivilege	3332	powershell.exe
Token: SeRestorePrivilege	3332	powershell.exe
Token: SeShutdownPrivilege	3332	powershell.exe
Token: SeDebugPrivilege	3332	powershell.exe
Token: SeSystemEnvironmentPrivilege	3332	powershell.exe
Token: SeRemoteShutdownPrivilege	3332	powershell.exe
Token: SeUndockPrivilege	3332	powershell.exe
Token: SeManageVolumePrivilege	3332	powershell.exe
Token: 33	3332	powershell.exe
Token: 34	3332	powershell.exe
Token: 35	3332	powershell.exe
Token: 36	3332	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 4652 wrote to memory of 3972	4652	wscript.EXE	cscript.exe
PID 4652 wrote to memory of 3972	4652	wscript.EXE	cscript.exe
PID 3972 wrote to memory of 3332	3972	cscript.exe	powershell.exe
PID 3972 wrote to memory of 3332	3972	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(55046).js
1⤵
PID:3772

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE FACEBO~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4652

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" FACEBO~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:3972

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:3332

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_gxtcdcvh.1xk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
42.7MB

MD5
fa4bd4a2359198fafd8404cc905b18a7

SHA1
adb45e1e5bd7027dab5dd14bb0acadf728bc05cc

SHA256
848e40899f3f75675d89be23ea86e4d1642c282681164455ee8c13d72fea6cce

SHA512
c0b546c3e6383a5c870eec9d5113277f16344c33ce19927cdbc6cb74b1c8cb78d1d1726f343a8ab4f2d8a8a14451d49c97247a55d5ffffc6e595de5abee26047

Download Submit
memory/3332-3-0x0000024059550000-0x0000024059572000-memory.dmp

Filesize
136KB

Download
memory/3332-13-0x000002405B9E0000-0x000002405BA24000-memory.dmp

Filesize
272KB

Download
memory/3332-14-0x000002405BCC0000-0x000002405BD36000-memory.dmp

Filesize
472KB

Download
memory/3332-15-0x000002405BF10000-0x000002405BF3A000-memory.dmp

Filesize
168KB

Download
memory/3332-16-0x000002405BF10000-0x000002405BF34000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads