gootloader | ce02817c1a10ba1f49a139db19394fe67b5a1b2485c866d92cc26ef361e0a9d6

Resubmissions

24/04/2024, 03:53

240424-efty4aef5510

24/04/2024, 02:54

240424-ddvxyaed4310

Analysis

max time kernel
356s
max time network
360s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
24/04/2024, 03:53

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General

Target
sumsj.js
Size 12.9MB
Sample240424-efty4aef55
SHA256 ce02817c1a10ba1f49a139db19394fe67b5a1b2485c866d92cc26ef361e0a9d6
MD5 413da71d07370c4579943cc5dfb074e3
SHA1 cdb7f3c1d61c9c61b61a835a17f4b79402199e05
SHA512 afbf8142ced6f01a05b4eb34a5845e73a8be356555ab686e4fc3291a6b93838f989ac25e2009ffe08bb46ae36a05ab0231d95f64bb741c7d6438483f2778fe58
SSDEEP 49152:C7BfzjCxbqqHlp4rHfN0MNhzoNszsYzYBgE5+85R33uK/zp+GiR93quKLagucEP6:H
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gootloader loader

Malware Config

Signatures

GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
loader gootloader
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe
32	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	32	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 1704	4764	wscript.EXE	77
PID 4764 wrote to memory of 1704	4764	wscript.EXE	77
PID 1704 wrote to memory of 32	1704	cscript.exe	79
PID 1704 wrote to memory of 32	1704	cscript.exe	79

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\sumsj.js
1⤵
PID:4788

\??\c:\windows\system32\wscript.EXE
c:\windows\system32\wscript.EXE TECHNI~1.JS
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\System32\cscript.exe
  "C:\Windows\System32\cscript.exe" "TECHNI~1.JS"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:32

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

__PSScriptPolicyTest_vz05kcwk.vb0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vz05kcwk.vb0.ps1
Size 1B
SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
MD5 c4ca4238a0b923820dcc509a6f75849b
SHA1 356a192b7913b04c54574d18c28d46e6395428ab
SHA512 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
MD5 SHA1 SHA512

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TECHNI~1.JS

Path C:\Users\Admin\AppData\Roaming\Microsoft\TECHNI~1.JS
Size 40.8MB
SHA256 1cadd1359d386dea78dba195ae4e5c37875fc1fa1f37719ad3b5afe2a9a1a9e1
MD5 83d7a72932c113d8e1dfae1189b91a1e
SHA1 16aa3470e88284aa470c5385382b212d3d2241ea
SHA512 1f3af1b65715d93a23660f6b4b3baf4792bfc842c1091910504775b8291d20f681ed80106325dc410a45e26101cb036f3435e843dcd703b30ae33aa190a5a8ba
SSDEEP 12288:9hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhv:l
MD5 SHA1 SHA512 SSDEEP

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memory/32-37-0x00000265A8220000-0x00000265A825C000-memory.dmp

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memory/32-9-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-10-0x000002658FC30000-0x000002658FC52000-memory.dmp

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memory/32-8-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-7-0x00007FFA39C90000-0x00007FFA3A67C000-memory.dmp

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memory/32-48-0x00000265A8770000-0x00000265A87E6000-memory.dmp

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memory/32-59-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-65-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-97-0x00007FFA39C90000-0x00007FFA3A67C000-memory.dmp

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memory/32-98-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-99-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-132-0x000002658FA60000-0x000002658FA70000-memory.dmp

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memory/32-133-0x000002658FA60000-0x000002658FA70000-memory.dmp

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