gootloader | b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 12:54

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General

Target

b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc.js
Size

13.7MB
MD5

92e6cb8641e076331bd36d69dd7a8533
SHA1

132ce2dfb397e170b89a987399ba1589d0ffe9e6
SHA256

b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc
SHA512

60a10c7f04691240081056dac1e8052450e7c85638f4ed9b53021f778c14a13dfbf7730924e9e4500f68a7800e26540cbe9046c21c9b1c052e039c19eeb38fc9
SSDEEP

49152:YYRxr8uC0NjaCXoK5gYRxr8uC0NjaCXoK5f:m9g

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

Processes:

powershell.exe

pid	Process
1240	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	1240	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

taskeng.exewscript.EXEcscript.exe

description	pid	Process	procid_target
PID 2760 wrote to memory of 2792	2760	taskeng.exe	32
PID 2760 wrote to memory of 2792	2760	taskeng.exe	32
PID 2760 wrote to memory of 2792	2760	taskeng.exe	32
PID 2792 wrote to memory of 2748	2792	wscript.EXE	33
PID 2792 wrote to memory of 2748	2792	wscript.EXE	33
PID 2792 wrote to memory of 2748	2792	wscript.EXE	33
PID 2748 wrote to memory of 1240	2748	cscript.exe	35
PID 2748 wrote to memory of 1240	2748	cscript.exe	35
PID 2748 wrote to memory of 1240	2748	cscript.exe	35

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\b41cc5bbc8e836c57260ebcf3d61e2790ec4b6d2fd10c367d94751d4c36cb8cc.js
1⤵
PID:1016

C:\Windows\system32\taskeng.exe
taskeng.exe {1E1902B5-004D-4E64-85D9-7A3C1E97F352} S-1-5-21-2958949473-3205530200-1453100116-1000:WHMFPZKA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\system32\wscript.EXE
  C:\Windows\system32\wscript.EXE OUTSOU~1.JS
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\System32\cscript.exe
    "C:\Windows\System32\cscript.exe" "OUTSOU~1.JS"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1240

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\Macromedia\OUTSOU~1.JS

Filesize
41.1MB

MD5
58b4a319ee39b25ce9eb5e5e8169c555

SHA1
b8a5e1ca4960ec47c8dd2cbba51652c456b86e9f

SHA256
69a63855902f9387a5174b45528e1c456b8007392e7f514197d32fa5ddd299de

SHA512
2386d9611ca7676f29defd2a2ec4c7ac28efcecf9319155c1aacfd8cfce6084f4a16ee86fd36af185ad8b7f0ab7b0d41315cc8a49738bd6aed750cd2e0a96f8d

Download Submit
memory/1240-7-0x000000001B6B0000-0x000000001B992000-memory.dmp

Filesize
2.9MB

Download
memory/1240-8-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download