gootloader | cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399

General

Target

cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js
Size

9.3MB
MD5

903fcfc5a11c336dfc5d9d881c2c8ac3
SHA1

c21eaf136cf4bc6d3a7f17496b8c164920b5a9b5
SHA256

cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399
SHA512

afa27bacd7335d7389c194c5aa4ea776cb46bb50418eb263095f260431eec2269764b5ad9943423c3c4e132c45605f7ed1a10e4c3360f24d8470e17f1757f48f
SSDEEP

49152:W9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+LfHQH9canpP9w8LZ4WG/s+Lr:W777777q

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 4 IoCs

Processes:

powershell.exe

flow pid process

39 1604 powershell.exe
47 1604 powershell.exe
50 1604 powershell.exe
53 1604 powershell.exe

flow	pid	process
39	1604	powershell.exe
47	1604	powershell.exe
50	1604	powershell.exe
53	1604	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-1-5-21-2392887640-1187051047-2909758433-1000\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\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exe

pid	process
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe
1604	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	1604	powershell.exe
Token: SeIncreaseQuotaPrivilege	1604	powershell.exe
Token: SeSecurityPrivilege	1604	powershell.exe
Token: SeTakeOwnershipPrivilege	1604	powershell.exe
Token: SeLoadDriverPrivilege	1604	powershell.exe
Token: SeSystemProfilePrivilege	1604	powershell.exe
Token: SeSystemtimePrivilege	1604	powershell.exe
Token: SeProfSingleProcessPrivilege	1604	powershell.exe
Token: SeIncBasePriorityPrivilege	1604	powershell.exe
Token: SeCreatePagefilePrivilege	1604	powershell.exe
Token: SeBackupPrivilege	1604	powershell.exe
Token: SeRestorePrivilege	1604	powershell.exe
Token: SeShutdownPrivilege	1604	powershell.exe
Token: SeDebugPrivilege	1604	powershell.exe
Token: SeSystemEnvironmentPrivilege	1604	powershell.exe
Token: SeRemoteShutdownPrivilege	1604	powershell.exe
Token: SeUndockPrivilege	1604	powershell.exe
Token: SeManageVolumePrivilege	1604	powershell.exe
Token: 33	1604	powershell.exe
Token: 34	1604	powershell.exe
Token: 35	1604	powershell.exe
Token: 36	1604	powershell.exe
Token: SeIncreaseQuotaPrivilege	1604	powershell.exe
Token: SeSecurityPrivilege	1604	powershell.exe
Token: SeTakeOwnershipPrivilege	1604	powershell.exe
Token: SeLoadDriverPrivilege	1604	powershell.exe
Token: SeSystemProfilePrivilege	1604	powershell.exe
Token: SeSystemtimePrivilege	1604	powershell.exe
Token: SeProfSingleProcessPrivilege	1604	powershell.exe
Token: SeIncBasePriorityPrivilege	1604	powershell.exe
Token: SeCreatePagefilePrivilege	1604	powershell.exe
Token: SeBackupPrivilege	1604	powershell.exe
Token: SeRestorePrivilege	1604	powershell.exe
Token: SeShutdownPrivilege	1604	powershell.exe
Token: SeDebugPrivilege	1604	powershell.exe
Token: SeSystemEnvironmentPrivilege	1604	powershell.exe
Token: SeRemoteShutdownPrivilege	1604	powershell.exe
Token: SeUndockPrivilege	1604	powershell.exe
Token: SeManageVolumePrivilege	1604	powershell.exe
Token: 33	1604	powershell.exe
Token: 34	1604	powershell.exe
Token: 35	1604	powershell.exe
Token: 36	1604	powershell.exe
Token: SeIncreaseQuotaPrivilege	1604	powershell.exe
Token: SeSecurityPrivilege	1604	powershell.exe
Token: SeTakeOwnershipPrivilege	1604	powershell.exe
Token: SeLoadDriverPrivilege	1604	powershell.exe
Token: SeSystemProfilePrivilege	1604	powershell.exe
Token: SeSystemtimePrivilege	1604	powershell.exe
Token: SeProfSingleProcessPrivilege	1604	powershell.exe
Token: SeIncBasePriorityPrivilege	1604	powershell.exe
Token: SeCreatePagefilePrivilege	1604	powershell.exe
Token: SeBackupPrivilege	1604	powershell.exe
Token: SeRestorePrivilege	1604	powershell.exe
Token: SeShutdownPrivilege	1604	powershell.exe
Token: SeDebugPrivilege	1604	powershell.exe
Token: SeSystemEnvironmentPrivilege	1604	powershell.exe
Token: SeRemoteShutdownPrivilege	1604	powershell.exe
Token: SeUndockPrivilege	1604	powershell.exe
Token: SeManageVolumePrivilege	1604	powershell.exe
Token: 33	1604	powershell.exe
Token: 34	1604	powershell.exe
Token: 35	1604	powershell.exe
Token: 36	1604	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 1532 wrote to memory of 5084	1532	wscript.EXE	cscript.exe
PID 1532 wrote to memory of 5084	1532	wscript.EXE	cscript.exe
PID 5084 wrote to memory of 1604	5084	cscript.exe	powershell.exe
PID 5084 wrote to memory of 1604	5084	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\cefe81ea428bdb45033875b07539d8e77f6c55f3488838cf17033cb4f87f4399.js
1⤵
PID:1772

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE NETWOR~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1532

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "NETWOR~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:5084

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:1604

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_0jen1ve5.uzo.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Sun\NETWOR~1.JS

Filesize
47.3MB

MD5
62cacd71b8e01686363b5154ade6f872

SHA1
d399d7e0cd7334b68413eded43e8f71273b9bbbc

SHA256
f0be0c17a27cacca5a25946d9c2c91cdcd323a3bdfbc9402ef8396f49c3c9223

SHA512
2573a661378d4f741866a67a6260e3055a50cedca896e23a8d428bb2dd4ded06989d36e9376e5cb939c38980fe3d43157ce5d3f7004107a4e1becc841080215e

Download Submit
memory/1604-8-0x000001F8D5340000-0x000001F8D5362000-memory.dmp

Filesize
136KB

Download
memory/1604-13-0x000001F8D7670000-0x000001F8D76B4000-memory.dmp

Filesize
272KB

Download
memory/1604-14-0x000001F8D7A90000-0x000001F8D7B06000-memory.dmp

Filesize
472KB

Download
memory/1604-15-0x000001F8D7CD0000-0x000001F8D7CFA000-memory.dmp

Filesize
168KB

Download
memory/1604-16-0x000001F8D7CD0000-0x000001F8D7CF4000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads