gootloader | 919e71361afffa7a9edd5fdf11efaeff25f2e742c9a24cbbb030d192d041ddfb

General

Target

union_of_taxation_employees_collective_agreement28424.js
Size

3.9MB
MD5

052d55bc0edd41bc0c7a26155be6d359
SHA1

d1173d863f73736e9585facdab76c964d02681c4
SHA256

919e71361afffa7a9edd5fdf11efaeff25f2e742c9a24cbbb030d192d041ddfb
SHA512

4f9da4c35e67b29b69cd8015c5fdb8f0ab4c009118f3438f3e1c1102fc7b0e9d08e28cda65452de9070d4787e6ffed7ec967a20ca10cc4bc1960e3bf45f43edc
SSDEEP

24576:pvZ5xxv6JbHQPV9LfvZ5xxv6JbHQPV9LfvZ5xxv6JbHQPV9LZ:pvqJEPV97vqJEPV97vqJEPV9l

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

15 1500 powershell.exe
19 1500 powershell.exe
22 1500 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-1-5-21-940901362-3608833189-1915618603-1000\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
15	1500	powershell.exe
19	1500	powershell.exe
22	1500	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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-1-5-21-940901362-3608833189-1915618603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exe

pid	process
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe
1500	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	1500	powershell.exe
Token: SeIncreaseQuotaPrivilege	1500	powershell.exe
Token: SeSecurityPrivilege	1500	powershell.exe
Token: SeTakeOwnershipPrivilege	1500	powershell.exe
Token: SeLoadDriverPrivilege	1500	powershell.exe
Token: SeSystemProfilePrivilege	1500	powershell.exe
Token: SeSystemtimePrivilege	1500	powershell.exe
Token: SeProfSingleProcessPrivilege	1500	powershell.exe
Token: SeIncBasePriorityPrivilege	1500	powershell.exe
Token: SeCreatePagefilePrivilege	1500	powershell.exe
Token: SeBackupPrivilege	1500	powershell.exe
Token: SeRestorePrivilege	1500	powershell.exe
Token: SeShutdownPrivilege	1500	powershell.exe
Token: SeDebugPrivilege	1500	powershell.exe
Token: SeSystemEnvironmentPrivilege	1500	powershell.exe
Token: SeRemoteShutdownPrivilege	1500	powershell.exe
Token: SeUndockPrivilege	1500	powershell.exe
Token: SeManageVolumePrivilege	1500	powershell.exe
Token: 33	1500	powershell.exe
Token: 34	1500	powershell.exe
Token: 35	1500	powershell.exe
Token: 36	1500	powershell.exe
Token: SeIncreaseQuotaPrivilege	1500	powershell.exe
Token: SeSecurityPrivilege	1500	powershell.exe
Token: SeTakeOwnershipPrivilege	1500	powershell.exe
Token: SeLoadDriverPrivilege	1500	powershell.exe
Token: SeSystemProfilePrivilege	1500	powershell.exe
Token: SeSystemtimePrivilege	1500	powershell.exe
Token: SeProfSingleProcessPrivilege	1500	powershell.exe
Token: SeIncBasePriorityPrivilege	1500	powershell.exe
Token: SeCreatePagefilePrivilege	1500	powershell.exe
Token: SeBackupPrivilege	1500	powershell.exe
Token: SeRestorePrivilege	1500	powershell.exe
Token: SeShutdownPrivilege	1500	powershell.exe
Token: SeDebugPrivilege	1500	powershell.exe
Token: SeSystemEnvironmentPrivilege	1500	powershell.exe
Token: SeRemoteShutdownPrivilege	1500	powershell.exe
Token: SeUndockPrivilege	1500	powershell.exe
Token: SeManageVolumePrivilege	1500	powershell.exe
Token: 33	1500	powershell.exe
Token: 34	1500	powershell.exe
Token: 35	1500	powershell.exe
Token: 36	1500	powershell.exe
Token: SeIncreaseQuotaPrivilege	1500	powershell.exe
Token: SeSecurityPrivilege	1500	powershell.exe
Token: SeTakeOwnershipPrivilege	1500	powershell.exe
Token: SeLoadDriverPrivilege	1500	powershell.exe
Token: SeSystemProfilePrivilege	1500	powershell.exe
Token: SeSystemtimePrivilege	1500	powershell.exe
Token: SeProfSingleProcessPrivilege	1500	powershell.exe
Token: SeIncBasePriorityPrivilege	1500	powershell.exe
Token: SeCreatePagefilePrivilege	1500	powershell.exe
Token: SeBackupPrivilege	1500	powershell.exe
Token: SeRestorePrivilege	1500	powershell.exe
Token: SeShutdownPrivilege	1500	powershell.exe
Token: SeDebugPrivilege	1500	powershell.exe
Token: SeSystemEnvironmentPrivilege	1500	powershell.exe
Token: SeRemoteShutdownPrivilege	1500	powershell.exe
Token: SeUndockPrivilege	1500	powershell.exe
Token: SeManageVolumePrivilege	1500	powershell.exe
Token: 33	1500	powershell.exe
Token: 34	1500	powershell.exe
Token: 35	1500	powershell.exe
Token: 36	1500	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 2636 wrote to memory of 3504	2636	wscript.EXE	cscript.exe
PID 2636 wrote to memory of 3504	2636	wscript.EXE	cscript.exe
PID 3504 wrote to memory of 1500	3504	cscript.exe	powershell.exe
PID 3504 wrote to memory of 1500	3504	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_agreement28424.js
1⤵
PID:3128

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE ADULTE~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" ADULTE~1.JS
2⤵
- Suspicious use of WriteProcessMemory
PID:3504

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:1500

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_d2xlg2bc.r2l.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
39.2MB

MD5
042f5142b1a4f2a8547ec9ef5cad68c4

SHA1
700937127557a3a774124548378ce6e7b1e0e07d

SHA256
5579121416b959903415c032070cca375af9cf59b3735100c4a4ea3b562f5aa5

SHA512
413393700763a539cb4680bf041d1f3a52835c48651cf878f07beafb3c8a42476b1b100127798f06e633051f4c70475472acff5ac93f777cde6eb54960d7db84

Download Submit
memory/1500-12-0x00000142BA1A0000-0x00000142BA1C2000-memory.dmp

Filesize
136KB

Download
memory/1500-13-0x00000142BA690000-0x00000142BA6D4000-memory.dmp

Filesize
272KB

Download
memory/1500-14-0x00000142BA760000-0x00000142BA7D6000-memory.dmp

Filesize
472KB

Download
memory/1500-15-0x00000142BA9F0000-0x00000142BAA1A000-memory.dmp

Filesize
168KB

Download
memory/1500-16-0x00000142BA9F0000-0x00000142BAA14000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads