gootloader | e5391d5bb4636c7ae31e60e7765b774260ece20b76dfece36a64e05523f8ccce

General

Target

pa collective agreement pay 48495.js
Size

6.6MB
MD5

2849d3933ec7151c700658f88b394697
SHA1

646ef3ab09d88b11149c4c7c87fd5f3aa37819d6
SHA256

e5391d5bb4636c7ae31e60e7765b774260ece20b76dfece36a64e05523f8ccce
SHA512

f029296d5fc33b4ecceda10cdc033fd96601ccd53a1541f86e821d78b0034decf1afef3db1907c4ac6032b6813ba11150fbdad33fb2054bcbf09cba926630c66
SSDEEP

49152:uytwpCQK+z4ytwpCQK+z4ytwpCQK+z4ytwpCQK+z4ytwpCQK+z4ytwpCQK+zp:h

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 10 IoCs

Processes:

powershell.exe

flow	pid	process
58	636	powershell.exe
73	636	powershell.exe
76	636	powershell.exe
78	636	powershell.exe
80	636	powershell.exe
83	636	powershell.exe
86	636	powershell.exe
89	636	powershell.exe
92	636	powershell.exe
94	636	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-1-5-21-4018855536-2201274732-320770143-1000\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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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-1-5-21-4018855536-2201274732-320770143-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

powershell.exe

pid	process
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe
636	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	process
Token: SeDebugPrivilege	636	powershell.exe
Token: SeIncreaseQuotaPrivilege	636	powershell.exe
Token: SeSecurityPrivilege	636	powershell.exe
Token: SeTakeOwnershipPrivilege	636	powershell.exe
Token: SeLoadDriverPrivilege	636	powershell.exe
Token: SeSystemProfilePrivilege	636	powershell.exe
Token: SeSystemtimePrivilege	636	powershell.exe
Token: SeProfSingleProcessPrivilege	636	powershell.exe
Token: SeIncBasePriorityPrivilege	636	powershell.exe
Token: SeCreatePagefilePrivilege	636	powershell.exe
Token: SeBackupPrivilege	636	powershell.exe
Token: SeRestorePrivilege	636	powershell.exe
Token: SeShutdownPrivilege	636	powershell.exe
Token: SeDebugPrivilege	636	powershell.exe
Token: SeSystemEnvironmentPrivilege	636	powershell.exe
Token: SeRemoteShutdownPrivilege	636	powershell.exe
Token: SeUndockPrivilege	636	powershell.exe
Token: SeManageVolumePrivilege	636	powershell.exe
Token: 33	636	powershell.exe
Token: 34	636	powershell.exe
Token: 35	636	powershell.exe
Token: 36	636	powershell.exe
Token: SeIncreaseQuotaPrivilege	636	powershell.exe
Token: SeSecurityPrivilege	636	powershell.exe
Token: SeTakeOwnershipPrivilege	636	powershell.exe
Token: SeLoadDriverPrivilege	636	powershell.exe
Token: SeSystemProfilePrivilege	636	powershell.exe
Token: SeSystemtimePrivilege	636	powershell.exe
Token: SeProfSingleProcessPrivilege	636	powershell.exe
Token: SeIncBasePriorityPrivilege	636	powershell.exe
Token: SeCreatePagefilePrivilege	636	powershell.exe
Token: SeBackupPrivilege	636	powershell.exe
Token: SeRestorePrivilege	636	powershell.exe
Token: SeShutdownPrivilege	636	powershell.exe
Token: SeDebugPrivilege	636	powershell.exe
Token: SeSystemEnvironmentPrivilege	636	powershell.exe
Token: SeRemoteShutdownPrivilege	636	powershell.exe
Token: SeUndockPrivilege	636	powershell.exe
Token: SeManageVolumePrivilege	636	powershell.exe
Token: 33	636	powershell.exe
Token: 34	636	powershell.exe
Token: 35	636	powershell.exe
Token: 36	636	powershell.exe
Token: SeIncreaseQuotaPrivilege	636	powershell.exe
Token: SeSecurityPrivilege	636	powershell.exe
Token: SeTakeOwnershipPrivilege	636	powershell.exe
Token: SeLoadDriverPrivilege	636	powershell.exe
Token: SeSystemProfilePrivilege	636	powershell.exe
Token: SeSystemtimePrivilege	636	powershell.exe
Token: SeProfSingleProcessPrivilege	636	powershell.exe
Token: SeIncBasePriorityPrivilege	636	powershell.exe
Token: SeCreatePagefilePrivilege	636	powershell.exe
Token: SeBackupPrivilege	636	powershell.exe
Token: SeRestorePrivilege	636	powershell.exe
Token: SeShutdownPrivilege	636	powershell.exe
Token: SeDebugPrivilege	636	powershell.exe
Token: SeSystemEnvironmentPrivilege	636	powershell.exe
Token: SeRemoteShutdownPrivilege	636	powershell.exe
Token: SeUndockPrivilege	636	powershell.exe
Token: SeManageVolumePrivilege	636	powershell.exe
Token: 33	636	powershell.exe
Token: 34	636	powershell.exe
Token: 35	636	powershell.exe
Token: 36	636	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	process	target process
PID 1636 wrote to memory of 588	1636	wscript.EXE	cscript.exe
PID 1636 wrote to memory of 588	1636	wscript.EXE	cscript.exe
PID 588 wrote to memory of 636	588	cscript.exe	powershell.exe
PID 588 wrote to memory of 636	588	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\pa collective agreement pay 48495.js"
1⤵
PID:1112

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE TAXCON~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\System32\cscript.exe
"C:\Windows\System32\cscript.exe" "TAXCON~1.JS"
2⤵
- Suspicious use of WriteProcessMemory
PID:588

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:636

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ky0l0t5.awe.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Sun\TAXCON~1.JS
Filesize
45.3MB

MD5
34a654f48d9e95c78b0922197bcd6caf

SHA1
ec3e1feac0e08e1387a8e8faca62a22b66a7f9f8

SHA256
4a297362f3c8350ed0e808fb4fcc9e3e14c78161cfb5a3e0500f742a3072f37a

SHA512
9a97f3a73a0002a2dcce970b876ff02731cd2a4afdcf8123126999c0924461444eea33cf3171fd1d0fb56a401938f450bbad950d9c7dd7fffcd602c4405918b4

Download Submit
memory/636-3-0x0000019853EF0000-0x0000019853F12000-memory.dmp

Filesize
136KB

Download
memory/636-13-0x00000198543E0000-0x0000019854424000-memory.dmp

Filesize
272KB

Download
memory/636-14-0x00000198544B0000-0x0000019854526000-memory.dmp

Filesize
472KB

Download
memory/636-15-0x00000198546F0000-0x000001985471A000-memory.dmp

Filesize
168KB

Download
memory/636-16-0x00000198546F0000-0x0000019854714000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads