gootloader | 3876d44d7aa8e213ee680f2390850ad2464c98e96f5bddc2fd2a3c2fadfc5686

Analysis

max time kernel
84s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 12:07

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General

Target

union_of_taxation_employees_collective_agreement5199.js
Size

9.0MB
MD5

9f3c383042e789c18b0d5f9711617eae
SHA1

ebd6a4b4cc29531e0d0934e3b39d028dcb27de71
SHA256

3876d44d7aa8e213ee680f2390850ad2464c98e96f5bddc2fd2a3c2fadfc5686
SHA512

2e3519cca51f2477bcaaaee5953f817caecf846d3f44e01ec3670a3698ece5a6cd416dfa0857648eebc19c2e3dcc08072e1e3dba5bb025594d2f55e9ce111237
SSDEEP

49152:GQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9EQEXJrPV9l:YxPVUxPVUxPVUxPVUxPVUxPVUxPVD

Score

10^/10

gootloader execution loader

Malware Config

Signatures

GootLoader
JavaScript loader known for delivering other families such as Gootkit and Cobaltstrike.
loader gootloader
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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2872	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2884	2948	taskeng.exe	30
PID 2948 wrote to memory of 2884	2948	taskeng.exe	30
PID 2948 wrote to memory of 2884	2948	taskeng.exe	30
PID 2884 wrote to memory of 2780	2884	wscript.EXE	31
PID 2884 wrote to memory of 2780	2884	wscript.EXE	31
PID 2884 wrote to memory of 2780	2884	wscript.EXE	31
PID 2780 wrote to memory of 2872	2780	cscript.exe	33
PID 2780 wrote to memory of 2872	2780	cscript.exe	33
PID 2780 wrote to memory of 2872	2780	cscript.exe	33

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\union_of_taxation_employees_collective_agreement5199.js
1⤵
PID:2328

C:\Windows\system32\taskeng.exe
taskeng.exe {7F120EC7-D9A8-42C7-BA5A-28D86DF4AA9A} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE CERTIF~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" CERTIF~1.JS
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2872

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\Roaming\Adobe\CERTIF~1.JS

Filesize
40.4MB

MD5
81a415c4bb95d2e027b132c81e1223ef

SHA1
8f0a18608f5e8c4e1209b94dc29af2208e3e8117

SHA256
42f897fe0748bbd416e599f74c187847d54a259be5e7a0ad0252ea934005789f

SHA512
6477174d3d9bdb97c8bece7ee13ce7a99d4c201ed26a38830ce82952ffb5cc42d2e7184b897499009b6fecf2718bd832292fb5d12280c3d360d59403502d0ad5

Download Submit
memory/2872-7-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2872-8-0x0000000001E50000-0x0000000001E58000-memory.dmp

Filesize
32KB

Download