netsupport | bb451151e52f0868f98e32d26ffa7c2be412b47cd470bf90d3cfe777b4a19f85

Analysis

max time kernel
147s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
14-11-2024 18:31

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General

Target

Update.js
Size

3.9MB
MD5

63693e30eb835046a0db9785f689819c
SHA1

288438abcddd04599e240330b6d84f3b174642b1
SHA256

bb451151e52f0868f98e32d26ffa7c2be412b47cd470bf90d3cfe777b4a19f85
SHA512

cc7d964df6f4df261022ad436b5e0d89418f4b19c8c3d43d39febff8d1ba20bbce6848137e0241d8ebadab66fae281bea604d6fff23c448a4fd725a85cc1da44
SSDEEP

49152:OCz4F9dM2furCz4F9dM2fu1Cz4F9dM2furCz4F9dM2fuVCz4F9dM2furCz4F9dME:OkGgkGwkGgkGMkGgkG9

Score

10^/10

netsupport discovery execution persistence rat

Malware Config

Signatures

NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
rat netsupport
Netsupport family
netsupport

Blocklisted process makes network request 5 IoCs

flow	pid	Process
3	5544	wscript.exe
6	5544	wscript.exe
7	5544	wscript.exe
9	5544	wscript.exe
10	5544	wscript.exe

Deletes itself 1 IoCs

pid	Process
5544	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
5740	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
5740	client32.exe
5740	client32.exe
5740	client32.exe
5740	client32.exe
5740	client32.exe
5740	client32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\ProgramData\\p4dtj1m\\client32.exe"	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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	5740	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5740	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5544 wrote to memory of 5740	5544	wscript.exe	78
PID 5544 wrote to memory of 5740	5544	wscript.exe	78
PID 5544 wrote to memory of 5740	5544	wscript.exe	78

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Update.js
1⤵
- Blocklisted process makes network request
- Deletes itself
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5544
- C:\ProgramData\p4dtj1m\client32.exe
  "C:\ProgramData\p4dtj1m\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:5740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\p4dtj1m.zip

Filesize
2.2MB

MD5
6369be46b4583085d707c82ab686f55d

SHA1
61b0b0ac2de334782cb7b5055b437fe72a3edeb5

SHA256
763d42512bbce79b6608d475373f155983cab60ec077f475da43fb33bc629e96

SHA512
293a4af4b41cff142edc3ba1d9ce306828ddb677f78361398ba5c939b372cf7602ba2c942638fa08861321ab9ae0e43d7b99745400d4ccfe821f751bb34ea786

Download Submit
C:\ProgramData\p4dtj1m\HTCTL32.DLL

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

Download Submit
C:\ProgramData\p4dtj1m\NSM.LIC

Filesize
195B

MD5
e9609072de9c29dc1963be208948ba44

SHA1
03bbe27d0d1ba651ff43363587d3d6d2e170060f

SHA256
dc6a52ad6d637eb407cc060e98dfeedcca1167e7f62688fb1c18580dd1d05747

SHA512
f0e26aa63b0c7f1b31074b9d6eef88d0cfbc467f86b12205cb539a45b0352e77ce2f99f29baeab58960a197714e72289744143ba17975699d058fe75d978dfd0

Download Submit
C:\ProgramData\p4dtj1m\PCICHEK.DLL

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

Download Submit
C:\ProgramData\p4dtj1m\PCICL32.dll

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

Download Submit
C:\ProgramData\p4dtj1m\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\ProgramData\p4dtj1m\client32.ini

Filesize
669B

MD5
f734588a7620c48021688d3c2940353a

SHA1
c9b9aece48b4c134b838217426145fdd542f60e6

SHA256
97a2ce9683de5c9e03331d22309b5348f45cf65e77b1f011ba3505e2deafafc6

SHA512
0549dcc50347802c774078f6f9ecfec2b21b0c489aa8e96168ea12a2cec55169d4172baac13819a07686755697794f05ac5b75d554229faf268f9e64f54e2033

Download Submit
C:\ProgramData\p4dtj1m\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\ProgramData\p4dtj1m\new_delegatedWebFeatures.sccd

Filesize
17KB

MD5
7fd9cd05f23d42fb6deda65bd1977ac9

SHA1
df25a2c9e1e9fa05805da69ff41337b9f59755fb

SHA256
ca6c469655d4d0d7ce5beb447dab43048a377a6042c4800b322257567ac135d9

SHA512
6ae8addf0c55058803305f937593ba02202c99639a572be0cacbfde598019cf8db7067e0392bd66c43cf7d8780e454ec5e08d68bcfd491b60a450ffc280c81b8

Download Submit
C:\ProgramData\p4dtj1m\pcicapi.dll

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads