gootloader | b53ec71b7a07ad3fb8c36a3c8cfc28eefd146cd3e17228b4c340474f25c48e37

Analysis

max time kernel
290s
max time network
296s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
29-07-2024 12:46

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General

Target

canada revenue agency psac collective agreement 60755.js
Size

13.7MB
MD5

63cf4b18ae1acb7db0a839c351608697
SHA1

890f9d086cf309e97f71501dec3dfe417ac7f5a2
SHA256

b53ec71b7a07ad3fb8c36a3c8cfc28eefd146cd3e17228b4c340474f25c48e37
SHA512

e90108845735cddb202c08db00e391d028d2a48e8743b2ef33a810bc2bbdee475894dce08f5b1194f20daa9df040da011205f842942d9f7f64e55445cbac67f7
SSDEEP

49152:YYRxr8uC0NjaCXB7gYRxr8uC0NjaCXB7f:nLz

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 14 IoCs

Processes:

powershell.exe

flow	pid	Process
65	3236	powershell.exe
68	3236	powershell.exe
71	3236	powershell.exe
78	3236	powershell.exe
81	3236	powershell.exe
83	3236	powershell.exe
84	3236	powershell.exe
85	3236	powershell.exe
89	3236	powershell.exe
92	3236	powershell.exe
94	3236	powershell.exe
95	3236	powershell.exe
98	3236	powershell.exe
100	3236	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-1-5-21-464762018-485119342-1613148473-1000\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-1-5-21-464762018-485119342-1613148473-1000_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 22 IoCs

Processes:

powershell.exe

pid	Process
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe
3236	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeIncreaseQuotaPrivilege	3236	powershell.exe
Token: SeSecurityPrivilege	3236	powershell.exe
Token: SeTakeOwnershipPrivilege	3236	powershell.exe
Token: SeLoadDriverPrivilege	3236	powershell.exe
Token: SeSystemProfilePrivilege	3236	powershell.exe
Token: SeSystemtimePrivilege	3236	powershell.exe
Token: SeProfSingleProcessPrivilege	3236	powershell.exe
Token: SeIncBasePriorityPrivilege	3236	powershell.exe
Token: SeCreatePagefilePrivilege	3236	powershell.exe
Token: SeBackupPrivilege	3236	powershell.exe
Token: SeRestorePrivilege	3236	powershell.exe
Token: SeShutdownPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeSystemEnvironmentPrivilege	3236	powershell.exe
Token: SeRemoteShutdownPrivilege	3236	powershell.exe
Token: SeUndockPrivilege	3236	powershell.exe
Token: SeManageVolumePrivilege	3236	powershell.exe
Token: 33	3236	powershell.exe
Token: 34	3236	powershell.exe
Token: 35	3236	powershell.exe
Token: 36	3236	powershell.exe
Token: SeIncreaseQuotaPrivilege	3236	powershell.exe
Token: SeSecurityPrivilege	3236	powershell.exe
Token: SeTakeOwnershipPrivilege	3236	powershell.exe
Token: SeLoadDriverPrivilege	3236	powershell.exe
Token: SeSystemProfilePrivilege	3236	powershell.exe
Token: SeSystemtimePrivilege	3236	powershell.exe
Token: SeProfSingleProcessPrivilege	3236	powershell.exe
Token: SeIncBasePriorityPrivilege	3236	powershell.exe
Token: SeCreatePagefilePrivilege	3236	powershell.exe
Token: SeBackupPrivilege	3236	powershell.exe
Token: SeRestorePrivilege	3236	powershell.exe
Token: SeShutdownPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeSystemEnvironmentPrivilege	3236	powershell.exe
Token: SeRemoteShutdownPrivilege	3236	powershell.exe
Token: SeUndockPrivilege	3236	powershell.exe
Token: SeManageVolumePrivilege	3236	powershell.exe
Token: 33	3236	powershell.exe
Token: 34	3236	powershell.exe
Token: 35	3236	powershell.exe
Token: 36	3236	powershell.exe
Token: SeIncreaseQuotaPrivilege	3236	powershell.exe
Token: SeSecurityPrivilege	3236	powershell.exe
Token: SeTakeOwnershipPrivilege	3236	powershell.exe
Token: SeLoadDriverPrivilege	3236	powershell.exe
Token: SeSystemProfilePrivilege	3236	powershell.exe
Token: SeSystemtimePrivilege	3236	powershell.exe
Token: SeProfSingleProcessPrivilege	3236	powershell.exe
Token: SeIncBasePriorityPrivilege	3236	powershell.exe
Token: SeCreatePagefilePrivilege	3236	powershell.exe
Token: SeBackupPrivilege	3236	powershell.exe
Token: SeRestorePrivilege	3236	powershell.exe
Token: SeShutdownPrivilege	3236	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe
Token: SeSystemEnvironmentPrivilege	3236	powershell.exe
Token: SeRemoteShutdownPrivilege	3236	powershell.exe
Token: SeUndockPrivilege	3236	powershell.exe
Token: SeManageVolumePrivilege	3236	powershell.exe
Token: 33	3236	powershell.exe
Token: 34	3236	powershell.exe
Token: 35	3236	powershell.exe
Token: 36	3236	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

wscript.EXEcscript.exe

description	pid	Process	procid_target
PID 1952 wrote to memory of 5072	1952	wscript.EXE	105
PID 1952 wrote to memory of 5072	1952	wscript.EXE	105
PID 5072 wrote to memory of 3236	5072	cscript.exe	107
PID 5072 wrote to memory of 3236	5072	cscript.exe	107

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\canada revenue agency psac collective agreement 60755.js"
1⤵
PID:3940

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE EVENTM~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "EVENTM~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5072
- - 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:3236

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_quoffwuk.0ur.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\EVENTM~1.JS

Filesize
38.4MB

MD5
d6cbdefd0621c8f45853f9d0852e2c64

SHA1
b2bf9fb053bacd217d94d3492981b3826f2f1e42

SHA256
aa228ec9abb6c81bd5c390c0b386c0d682f3061c4548e0370631ec2402d4d4f1

SHA512
e3c3029e1362dc65d86464af570646add3ab5fc6371b04801f0636a3d5bd35aeebee7807d73bba4e287cd9da44411e954818a7420e9606984f330f6e8187c976

Download Submit
memory/3236-8-0x000001EC4BF50000-0x000001EC4BF72000-memory.dmp

Filesize
136KB

Download
memory/3236-13-0x000001EC4CA60000-0x000001EC4CAA4000-memory.dmp

Filesize
272KB

Download
memory/3236-14-0x000001EC4CEB0000-0x000001EC4CF26000-memory.dmp

Filesize
472KB

Download
memory/3236-15-0x000001EC4D0D0000-0x000001EC4D0FA000-memory.dmp

Filesize
168KB

Download
memory/3236-16-0x000001EC4D0D0000-0x000001EC4D0F4000-memory.dmp

Filesize
144KB

Download