netsupport | 21a24922b29742977c4f7e25dd2be056dc02bc5e70c98e32ec3e0c6206f4d9ef

Analysis

max time kernel
69s
max time network
70s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
08/04/2025, 17:34

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General

Target

Chrome 135.0.7049.87363.js
Size

1.1MB
MD5

c6ae1c6b01fa51111c9f86e12bd18eb9
SHA1

7b1671915c0605539c2c3d96ca88539831490b27
SHA256

21a24922b29742977c4f7e25dd2be056dc02bc5e70c98e32ec3e0c6206f4d9ef
SHA512

4144c2d56cff73b5afb7b842715e4b12939292c22912ecb9c2c5dcfa9a0614b95843c4a746f9232d93737b83bb4e010e4b7a3417f41faa49f22bde7b127c9d5f
SSDEEP

6144:Wb6NJhIrDjyeLyXyberDq91ItXMIX+CdppUyM4JMRUdt0FjyD0EjpQahloWbGhIR:5DUiZDWiYle

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 4 IoCs

flow	pid	Process
2	3028	wscript.exe
37	3028	wscript.exe
39	3028	wscript.exe
41	3028	wscript.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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	wscript.exe

Deletes itself 1 IoCs

pid	Process
3028	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
2776	client32.exe
2776	client32.exe
2776	client32.exe
2776	client32.exe
2776	client32.exe
2776	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-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\w32api_deftype = "C:\\ProgramData\\dfkg1ole\\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

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2776	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2776	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2776	3028	wscript.exe	101
PID 3028 wrote to memory of 2776	3028	wscript.exe	101
PID 3028 wrote to memory of 2776	3028	wscript.exe	101

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Chrome 135.0.7049.87363.js"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Deletes itself
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3028
- C:\ProgramData\dfkg1ole\client32.exe
  "C:\ProgramData\dfkg1ole\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2776

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\dfkg1ole\client32.exe
1⤵
PID:716

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5356

Network

MITRE ATT&CK Enterprise v16

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

Query Registry

T1012

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\dfkg1ole.zip

Filesize
4.7MB

MD5
33088f1f9b632ed561a53f97a9858739

SHA1
b9612c4e862fba59a44d25e96299a01c8ea86137

SHA256
4d528959d600d23597d8ade531353e8fc58cb95f4075cc94950593f2875f9675

SHA512
9e292718dbd7592a4c4e512b5f403f110ace5dd17d06b3404f874d3caf13fd4f6fb69523a7dcde7d14cdbf959ec6b5be3cdf05184fbd6d7bab51661be1fdfefc

Download Submit
C:\ProgramData\dfkg1ole\HTCTL32.DLL

Filesize
306KB

MD5
3eed18b47412d3f91a394ae880b56ed2

SHA1
1b521a3ed4a577a33cce78eee627ae02445694ab

SHA256
13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f

SHA512
835f35af4fd241caa8b6a639626b8762db8525ccceb43afe8fffc24dffad76ca10852a5a8e9fc114bfbf7d1dc1950130a67037fc09b63a74374517a1f5448990

Download Submit
C:\ProgramData\dfkg1ole\NSM.LIC

Filesize
262B

MD5
b9956282a0fed076ed083892e498ac69

SHA1
d14a665438385203283030a189ff6c5e7c4bf518

SHA256
fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc

SHA512
7daa09113c0e8a36c91cc6d657c65851a20dff6b60ac3d2f40c5737c12c1613c553955f84d131ba2139959973fef9fc616ca5e968cb16c25acf2d4739eed87eb

Download Submit
C:\ProgramData\dfkg1ole\PCICAPI.dll

Filesize
44KB

MD5
9daa86d91a18131d5caf49d14fb8b6f2

SHA1
6b2f7ceb6157909e114a2b05a48a1a2606b5caf1

SHA256
1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557

SHA512
9a98e0d9e2dda8aefa54bddb3c7b71501d638dff68863939de6caa117b0e7bf15e581a75419ef8a0da3f1c56a19f1b0f4c86d65f8581773ab88ff5764b9bb3aa

Download Submit
C:\ProgramData\dfkg1ole\PCICL32.dll

Filesize
3.3MB

MD5
1274cca13cc5e37ca94d35e5b0673e89

SHA1
a8754c94f88273c304bc45a5afd61a383bb52117

SHA256
cd5510c8bc7ea60be77ad4aab502ee02d871bf4e917aeeb6921c20eebd9693dd

SHA512
52eafa31ee942dc92d0b8f52c12206f6abc1d5fae799b37b371e97c38ce66bd0693263de86b4880748ba1405054701288caf2cd00cd327edc164e1390cf9191c

Download Submit
C:\ProgramData\dfkg1ole\client32.exe

Filesize
117KB

MD5
1c19c2e97c5e6b30de69ee684e6e5589

SHA1
5734ef7f9e4dba0639c98881e00f03eea35a62ee

SHA256
312a0e4db34a40cb95ba1fac8bf87deb45d0c5f048d38ac65eb060273b07df67

SHA512
ab7240b81be04f1bced47701a5791bbeedcba6037ee936327478c304aa1ce5ae75856ca7f568f909f847e27db2a6b9c08db7cc1057a18fab14a39a5854f15cba

Download Submit
C:\ProgramData\dfkg1ole\client32.ini

Filesize
724B

MD5
18d78473117572d07f9fba97b752a59d

SHA1
2e0035972219b71b2922305b25d4847c7f5cac80

SHA256
54c475bc78c365a6d1857fc86564eedf558df815a6b1e8b390b62f019d08bafa

SHA512
c4eab3ec994443bed1d04f7cf6b7017b45707ab99d2296c1b6f7708c5c2a0f2fd776c08d7686aff66c2cfe322f0e008a279a29855eed6588380aa3abf45d28cb

Download Submit
C:\ProgramData\dfkg1ole\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\ProgramData\dfkg1ole\pcichek.dll

Filesize
27KB

MD5
e311935a26ee920d5b7176cfa469253c

SHA1
eda6c815a02c4c91c9aacd819dc06e32ececf8f0

SHA256
0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e

SHA512
48164e8841cfc91f4cbf4d3291d4f359518d081d9079a7995378f970e4085b534f4bafc15b83f4824cc79b5a1e54457b879963589b1acbcfe727a03eb3dffd1c

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads