netsupport | a6f1f68827303e655488c8d54b3be3ce8b1097f3ff374a2e4bc82ff96812781c

Analysis

max time kernel
142s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 10:21

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General

Target

Chrome 134.0.6998.06076.js
Size

272KB
MD5

42c7cb5bf47f4cb1bf513b50681bdfac
SHA1

ccfbcb44daab190c51fd80c3064f435d44a46860
SHA256

a6f1f68827303e655488c8d54b3be3ce8b1097f3ff374a2e4bc82ff96812781c
SHA512

c2bff53ea8c1b09c2d034ca398d5f8ac409eb25c5aae96a84deba66bf5b151c665d9f9e76ae78dbff3c00a28ff9cf9dd89fb97ee8f8c411bd8c1a6e01e0c5db3
SSDEEP

6144:hap3Ih6n/cSCP4wlyT/jd4OflUa2QGFmmaxJFa8FBIPI1fdAT2stiQw:hFlS4OfhsFmdv31fdA/tTw

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 3 IoCs

flow	pid	Process
4	3464	wscript.exe
35	3464	wscript.exe
37	3464	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-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	wscript.exe

Deletes itself 1 IoCs

pid	Process
3464	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2148	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
2148	client32.exe
2148	client32.exe
2148	client32.exe
2148	client32.exe
2148	client32.exe
2148	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-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyHelp = "C:\\ProgramData\\fi8c1adg\\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	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2148	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2148	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 2148	3464	wscript.exe	97
PID 3464 wrote to memory of 2148	3464	wscript.exe	97
PID 3464 wrote to memory of 2148	3464	wscript.exe	97

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Chrome 134.0.6998.06076.js"
1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Deletes itself
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3464
- C:\ProgramData\fi8c1adg\client32.exe
  "C:\ProgramData\fi8c1adg\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2148

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

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\fi8c1adg.zip

Filesize
3.1MB

MD5
eac6818890d7493565a1ef17315ceaf6

SHA1
3c5abc8328f6a7a8ad0223a3e78ad6eccfbdfd82

SHA256
c4af38501c8217a76e19ccf5331f5b9de0cc685c25b8e69cb1aa486b78b93e61

SHA512
59c75477f2210428e561d749987716749fc7a234e4ec27662341ea66c7013a007b4b4684a948fc0aa6d53ab6bfd2721b144bdb469e123a56a2c1e81149546d65

Download Submit
C:\ProgramData\fi8c1adg\HTCTL32.DLL

Filesize
306KB

MD5
3eed18b47412d3f91a394ae880b56ed2

SHA1
1b521a3ed4a577a33cce78eee627ae02445694ab

SHA256
13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f

SHA512
835f35af4fd241caa8b6a639626b8762db8525ccceb43afe8fffc24dffad76ca10852a5a8e9fc114bfbf7d1dc1950130a67037fc09b63a74374517a1f5448990

Download Submit
C:\ProgramData\fi8c1adg\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\ProgramData\fi8c1adg\NSM.LIC

Filesize
262B

MD5
b9956282a0fed076ed083892e498ac69

SHA1
d14a665438385203283030a189ff6c5e7c4bf518

SHA256
fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc

SHA512
7daa09113c0e8a36c91cc6d657c65851a20dff6b60ac3d2f40c5737c12c1613c553955f84d131ba2139959973fef9fc616ca5e968cb16c25acf2d4739eed87eb

Download Submit
C:\ProgramData\fi8c1adg\PCICL32.dll

Filesize
3.3MB

MD5
1274cca13cc5e37ca94d35e5b0673e89

SHA1
a8754c94f88273c304bc45a5afd61a383bb52117

SHA256
cd5510c8bc7ea60be77ad4aab502ee02d871bf4e917aeeb6921c20eebd9693dd

SHA512
52eafa31ee942dc92d0b8f52c12206f6abc1d5fae799b37b371e97c38ce66bd0693263de86b4880748ba1405054701288caf2cd00cd327edc164e1390cf9191c

Download Submit
C:\ProgramData\fi8c1adg\client32.exe

Filesize
117KB

MD5
1c19c2e97c5e6b30de69ee684e6e5589

SHA1
5734ef7f9e4dba0639c98881e00f03eea35a62ee

SHA256
312a0e4db34a40cb95ba1fac8bf87deb45d0c5f048d38ac65eb060273b07df67

SHA512
ab7240b81be04f1bced47701a5791bbeedcba6037ee936327478c304aa1ce5ae75856ca7f568f909f847e27db2a6b9c08db7cc1057a18fab14a39a5854f15cba

Download Submit
C:\ProgramData\fi8c1adg\client32.ini

Filesize
724B

MD5
f86798beead6be1e0e4b389e901f7640

SHA1
a222244bc199be44e1c041b6ee296a62fc2062bd

SHA256
3d725d512aec4e8708884334c7f180b7d071da8560ba49c2836fc6acb726afa6

SHA512
68945896e265d67d13cf2155bb58715b68a0ade556025d9ce063eef8034cd3a40614f366f139bdd953d2306cdd53e479b4c1ff05babc85c91b5a0ace1acc0332

Download Submit
C:\ProgramData\fi8c1adg\pcicapi.dll

Filesize
44KB

MD5
9daa86d91a18131d5caf49d14fb8b6f2

SHA1
6b2f7ceb6157909e114a2b05a48a1a2606b5caf1

SHA256
1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557

SHA512
9a98e0d9e2dda8aefa54bddb3c7b71501d638dff68863939de6caa117b0e7bf15e581a75419ef8a0da3f1c56a19f1b0f4c86d65f8581773ab88ff5764b9bb3aa

Download Submit
C:\ProgramData\fi8c1adg\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 v15

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Downloads