gootloader | 5ea87676fa668a09c1db2988aadf70e29a377c172f17f1ed48b34d09730ebb47

Resubmissions

06-11-2024 14:57

241106-sbs3ws1paw 3

29-10-2024 14:27

241029-rsdtvswdjh 10

04-09-2024 18:25

240904-w2ngwavbmq 10

Analysis

max time kernel
133s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 18:25

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General

Target

unionoftaxationemployeescollectiveagreement91985.js
Size

8.0MB
MD5

cabe44b59e1b9d2e16c944787ac48e61
SHA1

d5111f4a5432aef1d4cd4aa632958e4d90b102ee
SHA256

5ea87676fa668a09c1db2988aadf70e29a377c172f17f1ed48b34d09730ebb47
SHA512

b7b81d2df403b88d84b075671dc0604f9a9b6e637f99050f14ef5d947d5ff1a99de3f7a5604df0470949bd856cabbface9c46a8d5d9bde37efc8f88bd5d2318d
SSDEEP

49152:/y+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LfHQiy+nncMHwtllKdy/s+LO:/MMMMMY

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

flow	pid	Process
41	388	powershell.exe
47	388	powershell.exe
50	388	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-1-5-21-2412658365-3084825385-3340777666-1000\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-1-5-21-2412658365-3084825385-3340777666-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	powershell.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
388	powershell.exe
388	powershell.exe
388	powershell.exe
388	powershell.exe
388	powershell.exe
388	powershell.exe
388	powershell.exe
388	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	388	powershell.exe
Token: SeIncreaseQuotaPrivilege	388	powershell.exe
Token: SeSecurityPrivilege	388	powershell.exe
Token: SeTakeOwnershipPrivilege	388	powershell.exe
Token: SeLoadDriverPrivilege	388	powershell.exe
Token: SeSystemProfilePrivilege	388	powershell.exe
Token: SeSystemtimePrivilege	388	powershell.exe
Token: SeProfSingleProcessPrivilege	388	powershell.exe
Token: SeIncBasePriorityPrivilege	388	powershell.exe
Token: SeCreatePagefilePrivilege	388	powershell.exe
Token: SeBackupPrivilege	388	powershell.exe
Token: SeRestorePrivilege	388	powershell.exe
Token: SeShutdownPrivilege	388	powershell.exe
Token: SeDebugPrivilege	388	powershell.exe
Token: SeSystemEnvironmentPrivilege	388	powershell.exe
Token: SeRemoteShutdownPrivilege	388	powershell.exe
Token: SeUndockPrivilege	388	powershell.exe
Token: SeManageVolumePrivilege	388	powershell.exe
Token: 33	388	powershell.exe
Token: 34	388	powershell.exe
Token: 35	388	powershell.exe
Token: 36	388	powershell.exe
Token: SeIncreaseQuotaPrivilege	388	powershell.exe
Token: SeSecurityPrivilege	388	powershell.exe
Token: SeTakeOwnershipPrivilege	388	powershell.exe
Token: SeLoadDriverPrivilege	388	powershell.exe
Token: SeSystemProfilePrivilege	388	powershell.exe
Token: SeSystemtimePrivilege	388	powershell.exe
Token: SeProfSingleProcessPrivilege	388	powershell.exe
Token: SeIncBasePriorityPrivilege	388	powershell.exe
Token: SeCreatePagefilePrivilege	388	powershell.exe
Token: SeBackupPrivilege	388	powershell.exe
Token: SeRestorePrivilege	388	powershell.exe
Token: SeShutdownPrivilege	388	powershell.exe
Token: SeDebugPrivilege	388	powershell.exe
Token: SeSystemEnvironmentPrivilege	388	powershell.exe
Token: SeRemoteShutdownPrivilege	388	powershell.exe
Token: SeUndockPrivilege	388	powershell.exe
Token: SeManageVolumePrivilege	388	powershell.exe
Token: 33	388	powershell.exe
Token: 34	388	powershell.exe
Token: 35	388	powershell.exe
Token: 36	388	powershell.exe
Token: SeIncreaseQuotaPrivilege	388	powershell.exe
Token: SeSecurityPrivilege	388	powershell.exe
Token: SeTakeOwnershipPrivilege	388	powershell.exe
Token: SeLoadDriverPrivilege	388	powershell.exe
Token: SeSystemProfilePrivilege	388	powershell.exe
Token: SeSystemtimePrivilege	388	powershell.exe
Token: SeProfSingleProcessPrivilege	388	powershell.exe
Token: SeIncBasePriorityPrivilege	388	powershell.exe
Token: SeCreatePagefilePrivilege	388	powershell.exe
Token: SeBackupPrivilege	388	powershell.exe
Token: SeRestorePrivilege	388	powershell.exe
Token: SeShutdownPrivilege	388	powershell.exe
Token: SeDebugPrivilege	388	powershell.exe
Token: SeSystemEnvironmentPrivilege	388	powershell.exe
Token: SeRemoteShutdownPrivilege	388	powershell.exe
Token: SeUndockPrivilege	388	powershell.exe
Token: SeManageVolumePrivilege	388	powershell.exe
Token: 33	388	powershell.exe
Token: 34	388	powershell.exe
Token: 35	388	powershell.exe
Token: 36	388	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 4428	4908	wscript.EXE	98
PID 4908 wrote to memory of 4428	4908	wscript.EXE	98
PID 4428 wrote to memory of 388	4428	cscript.exe	100
PID 4428 wrote to memory of 388	4428	cscript.exe	100

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\unionoftaxationemployeescollectiveagreement91985.js
1⤵
PID:4640

C:\Windows\system32\wscript.EXE
C:\Windows\system32\wscript.EXE BEHAVI~1.JS
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "BEHAVI~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4428
- - 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:388

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gnd34v4r.atv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
45.1MB

MD5
2edcfcc1ffdbdfd1c2b31dfe573ccf88

SHA1
ab36ffc11cf18d5b4df8ce531bc5bff639cd0a7f

SHA256
22ddb03cc947756259473f69e151233610fb3cac1cd349d0bd5951ab06bb4a57

SHA512
b57cc495ba5f9db6f768fa7c8bac1369a74c9dadfd977c99650867c9f6f5fdc6e8f5cb329893ec2332e0a84fc5b73232022a631935c61da27ba36111be1536ba

Download Submit
memory/388-3-0x000001DD6FDF0000-0x000001DD6FE12000-memory.dmp

Filesize
136KB

Download
memory/388-13-0x000001DD725B0000-0x000001DD725F4000-memory.dmp

Filesize
272KB

Download
memory/388-14-0x000001DD72890000-0x000001DD72906000-memory.dmp

Filesize
472KB

Download
memory/388-15-0x000001DD72AE0000-0x000001DD72B0A000-memory.dmp

Filesize
168KB

Download
memory/388-16-0x000001DD72AE0000-0x000001DD72B04000-memory.dmp

Filesize
144KB

Download