gootloader | 01812a0f68ccb64e1d1bf4dd7f329c2373ea7b7ba831a386d80f3e1b205fa400

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 07:55

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General

Target

file2.js
Size

22.5MB
MD5

37faffbf9559840ab26c368380015b7e
SHA1

45751e456f6f6afb84ba4fb87566b29a3cbd451f
SHA256

01812a0f68ccb64e1d1bf4dd7f329c2373ea7b7ba831a386d80f3e1b205fa400
SHA512

2a14dd1abf5dbad4b308adb149fe89b9200a55c78ccef23b1bf384ed832e49d760c22f13b7e9c8235dce9b0b4c93c2b6308a1faa4f4544d476bf6751f32a4315
SSDEEP

49152:j7hbzjCxbhqHlp4lOrN0uRh+YfTzeYzYTvri+8mem3NQ/2bMGscL3qtAOsgecEig:S

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

flow	pid	Process
55	3108	powershell.exe
69	3108	powershell.exe
72	3108	powershell.exe
74	3108	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

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

Modifies registry class 2 IoCs

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 10 IoCs

pid	Process
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe
3108	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3108	powershell.exe
Token: SeIncreaseQuotaPrivilege	3108	powershell.exe
Token: SeSecurityPrivilege	3108	powershell.exe
Token: SeTakeOwnershipPrivilege	3108	powershell.exe
Token: SeLoadDriverPrivilege	3108	powershell.exe
Token: SeSystemProfilePrivilege	3108	powershell.exe
Token: SeSystemtimePrivilege	3108	powershell.exe
Token: SeProfSingleProcessPrivilege	3108	powershell.exe
Token: SeIncBasePriorityPrivilege	3108	powershell.exe
Token: SeCreatePagefilePrivilege	3108	powershell.exe
Token: SeBackupPrivilege	3108	powershell.exe
Token: SeRestorePrivilege	3108	powershell.exe
Token: SeShutdownPrivilege	3108	powershell.exe
Token: SeDebugPrivilege	3108	powershell.exe
Token: SeSystemEnvironmentPrivilege	3108	powershell.exe
Token: SeRemoteShutdownPrivilege	3108	powershell.exe
Token: SeUndockPrivilege	3108	powershell.exe
Token: SeManageVolumePrivilege	3108	powershell.exe
Token: 33	3108	powershell.exe
Token: 34	3108	powershell.exe
Token: 35	3108	powershell.exe
Token: 36	3108	powershell.exe
Token: SeIncreaseQuotaPrivilege	3108	powershell.exe
Token: SeSecurityPrivilege	3108	powershell.exe
Token: SeTakeOwnershipPrivilege	3108	powershell.exe
Token: SeLoadDriverPrivilege	3108	powershell.exe
Token: SeSystemProfilePrivilege	3108	powershell.exe
Token: SeSystemtimePrivilege	3108	powershell.exe
Token: SeProfSingleProcessPrivilege	3108	powershell.exe
Token: SeIncBasePriorityPrivilege	3108	powershell.exe
Token: SeCreatePagefilePrivilege	3108	powershell.exe
Token: SeBackupPrivilege	3108	powershell.exe
Token: SeRestorePrivilege	3108	powershell.exe
Token: SeShutdownPrivilege	3108	powershell.exe
Token: SeDebugPrivilege	3108	powershell.exe
Token: SeSystemEnvironmentPrivilege	3108	powershell.exe
Token: SeRemoteShutdownPrivilege	3108	powershell.exe
Token: SeUndockPrivilege	3108	powershell.exe
Token: SeManageVolumePrivilege	3108	powershell.exe
Token: 33	3108	powershell.exe
Token: 34	3108	powershell.exe
Token: 35	3108	powershell.exe
Token: 36	3108	powershell.exe
Token: SeIncreaseQuotaPrivilege	3108	powershell.exe
Token: SeSecurityPrivilege	3108	powershell.exe
Token: SeTakeOwnershipPrivilege	3108	powershell.exe
Token: SeLoadDriverPrivilege	3108	powershell.exe
Token: SeSystemProfilePrivilege	3108	powershell.exe
Token: SeSystemtimePrivilege	3108	powershell.exe
Token: SeProfSingleProcessPrivilege	3108	powershell.exe
Token: SeIncBasePriorityPrivilege	3108	powershell.exe
Token: SeCreatePagefilePrivilege	3108	powershell.exe
Token: SeBackupPrivilege	3108	powershell.exe
Token: SeRestorePrivilege	3108	powershell.exe
Token: SeShutdownPrivilege	3108	powershell.exe
Token: SeDebugPrivilege	3108	powershell.exe
Token: SeSystemEnvironmentPrivilege	3108	powershell.exe
Token: SeRemoteShutdownPrivilege	3108	powershell.exe
Token: SeUndockPrivilege	3108	powershell.exe
Token: SeManageVolumePrivilege	3108	powershell.exe
Token: 33	3108	powershell.exe
Token: 34	3108	powershell.exe
Token: 35	3108	powershell.exe
Token: 36	3108	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 3216	2012	wscript.EXE	100
PID 2012 wrote to memory of 3216	2012	wscript.EXE	100
PID 3216 wrote to memory of 3108	3216	cscript.exe	102
PID 3216 wrote to memory of 3108	3216	cscript.exe	102

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\file2.js
1⤵
PID:4472

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE WASHDE~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "WASHDE~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3216
- - 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:3108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tyeanyxm.gzb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\WASHDE~1.JS

Filesize
44.6MB

MD5
8e5f3dc509d437a1b00fc85ddc3291cb

SHA1
8f81a3c57c3d6c931172fa8eff7cd3a032249436

SHA256
9e64f3d5b9ab48b0b4a0b54df39212b9614e55f564af403ee3f24dc144ddd210

SHA512
1b539a65cea8646b8ef43ce1153cc33c98857a17c41be8982d298a02c6c6ba0e7dfd6cdf8c2627d037e3bf04d2a7fcc1bb455ef5cf9664696567b606083c23ec

Download Submit
memory/3108-3-0x0000025076F70000-0x0000025076F92000-memory.dmp

Filesize
136KB

Download
memory/3108-13-0x0000025077CF0000-0x0000025077D34000-memory.dmp

Filesize
272KB

Download
memory/3108-14-0x0000025077FC0000-0x0000025078036000-memory.dmp

Filesize
472KB

Download
memory/3108-15-0x0000025078200000-0x000002507822A000-memory.dmp

Filesize
168KB

Download
memory/3108-16-0x0000025078200000-0x0000025078224000-memory.dmp

Filesize
144KB

Download