netsupport | 8a04f6e18e5ef8bae7791c1b3df25ee4c32598483aa5a1c45de54dbedc68f727

General

Target

Update_Accounting_billing_details_dtd_0026032024_pdf.exe
Size

2.3MB
MD5

6caefeb698c894cfa2a753e5f9ee8837
SHA1

f6ebb2eb5e42bb1a3eac7027b0ef0ee919d65d06
SHA256

ce15d5dc596387515a6efad0fffa352d1fa10365b223d07cb50019c4c8d23652
SHA512

bf0e46d319132fc913de8a1039c0dc82716d1df1914fda36c25eea574a572a14d872f23458159f4a65e47cdf915f83e96af66f22d7891606a6febc95a6325c84
SSDEEP

49152:6Bux81yXk8fQLTe3RJrwfRzrqLb6fCanBzMjPuXAONSJQ1:yuwy0uQLK3RJr5LbCjYjPqAjJI

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\automnruns2012.ini.lnk	Update_Accounting_billing_details_dtd_0026032024_pdf.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	client32.exe

Loads dropped DLL 10 IoCs

pid	Process
2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe
2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe
2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe
2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe
2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe
2028	client32.exe
2028	client32.exe
2028	client32.exe
2028	client32.exe
2028	client32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2028	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2028	client32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28
PID 2244 wrote to memory of 2028	2244	Update_Accounting_billing_details_dtd_0026032024_pdf.exe	28

C:\Users\Admin\AppData\Local\Temp\Update_Accounting_billing_details_dtd_0026032024_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Update_Accounting_billing_details_dtd_0026032024_pdf.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Roaming\updatein1432\client32.exe
  "C:\Users\Admin\AppData\Roaming\updatein1432\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\updatein1432\HTCTL32.DLL

Filesize
316KB

MD5
051cdb6ac8e168d178e35489b6da4c74

SHA1
38c171457d160f8a6f26baa668f5c302f6c29cd1

SHA256
6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269

SHA512
602ab9999f7164a2d1704f712d8a622d69148eefe9a380c30bc8b310eadedf846ce6ae7940317437d5da59404d141dc2d1e0c3f954ca4ac7ae3497e56fcb4e36

Download Submit
C:\Users\Admin\AppData\Roaming\updatein1432\NSM.LIC

Filesize
261B

MD5
973c4ae4cd184a3913111eb60eefbad0

SHA1
e03f97864390c9ab88c19c97fe7529eea29b204a

SHA256
bd73c8aa4ef7f7616734416c92b27935a7c8209527c78751d2d61cb9c0f8e92a

SHA512
419d71d63c7394d6565ef46d012bec79710aca8ac8ae1ede3511c5e1e6b317a02eac23632dcb2b456afb65560d38e8100727458bedf5bb11bbcf3e88d7ca6f81

Download Submit
C:\Users\Admin\AppData\Roaming\updatein1432\PCICAPI.dll

Filesize
106KB

MD5
67c53a770390e8c038060a1921c20da9

SHA1
49e63af91169c8ce7ef7de3d6a6fb9f8f739fa3a

SHA256
2dfdc169dfc27462adc98dde39306de8d0526dcf4577a1a486c2eef447300689

SHA512
201e07dbccd83480d6c4d8562e6d0a9e4c52ed12895f0b91d875c2bbcc50b3b1802e11e5e829c948be302bf98ebde7fb2a99476065d1709b3bdbcd5d59a1612d

Download Submit
C:\Users\Admin\AppData\Roaming\updatein1432\PCICL32.dll

Filesize
3.3MB

MD5
e7b92529ea10176fe35ba73fa4edef74

SHA1
fc5b325d433cde797f6ad0d8b1305d6fb16d4e34

SHA256
b6d4ad0231941e0637485ac5833e0fdc75db35289b54e70f3858b70d36d04c80

SHA512
fb3a70e87772c1fb386ad8def6c7bdf325b8d525355d4386102649eb2d61f09ce101fce37ccc1f44d5878e604e2e426d96618e836367ab460cae01f627833517

Download Submit
C:\Users\Admin\AppData\Roaming\updatein1432\client32.ini

Filesize
665B

MD5
d6ab548cef2a8a905ff711ec285b97ce

SHA1
f8587a38b408759e2c4b24d135f7b7e35840f712

SHA256
545a0768987bc6efd4134c397e092c026f4bc57a18536e15a02032f6f6f3cf6b

SHA512
de7ed0e41f7c7d1e39dcc128e22bfc98602ae99798903b6abfdd9070db7752d786ea9b49dbfd092ee670a2665855442449a6853808c26ad896a7b8b71ecd5120

Download Submit
C:\Users\Admin\AppData\Roaming\updatein1432\pcichek.dll

Filesize
14KB

MD5
3aabcd7c81425b3b9327a2bf643251c6

SHA1
ea841199baa7307280fc9e4688ac75e5624f2181

SHA256
0cff893b1e7716d09fb74b7a0313b78a09f3f48c586d31fc5f830bd72ce8331f

SHA512
97605b07be34948541462000345f1e8f9a9134d139448d4f331cefeeca6dad51c025fcab09d182b86e5a4a8e2f9412b3745ec86b514b0523497c821cb6b8c592

Download Submit
\Users\Admin\AppData\Roaming\updatein1432\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
\Users\Admin\AppData\Roaming\updatein1432\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit

Analysis

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