netsupport | 90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0

General

Target

90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe
Size

2.1MB
MD5

6159ee59aeaafe9dbfd8ba7863a79a47
SHA1

6c2c30b18eb90a7d3006e7144269740d6c39994d
SHA256

90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0
SHA512

0af746fdd719756d0f91356eef6ea92412d34d705f3f21d46b2d2d283f548558ae8f3d990dd1fd1ea52573f110e94433d15941cdd9ff6abc602139164dc6a46b
SSDEEP

49152:zBN1Wku+0l5qO6T9xI2AdPj15GZ0yB/dqyvV4mJ8:lN1Wku+0lju3PAdPj15GZftu

Score

10^/10

netsupport rat

Malware Config

Signatures

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

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-1-5-21-1414748551-1520717498-2956787782-1000\Control Panel\International\Geo\Nation	90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\suprunners14.ini.lnk	90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe

Executes dropped EXE 1 IoCs

pid	Process
4464	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
4464	client32.exe
4464	client32.exe
4464	client32.exe
4464	client32.exe
4464	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	4464	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4464	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 4464	3068	90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe	90
PID 3068 wrote to memory of 4464	3068	90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe	90
PID 3068 wrote to memory of 4464	3068	90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe	90

C:\Users\Admin\AppData\Local\Temp\90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe
"C:\Users\Admin\AppData\Local\Temp\90e33c8f2a91e71f3882d4170da5daa0d24918d3b37739c4d556bb92ac2693b0.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Roaming\Supsetupudate43921\client32.exe
  "C:\Users\Admin\AppData\Roaming\Supsetupudate43921\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Supsetupudate43921\HTCTL32.DLL

Filesize
316KB

MD5
051cdb6ac8e168d178e35489b6da4c74

SHA1
38c171457d160f8a6f26baa668f5c302f6c29cd1

SHA256
6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269

SHA512
602ab9999f7164a2d1704f712d8a622d69148eefe9a380c30bc8b310eadedf846ce6ae7940317437d5da59404d141dc2d1e0c3f954ca4ac7ae3497e56fcb4e36

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\NSM.LIC

Filesize
259B

MD5
4e8ecebce46ceef1f6e29c71b6d3be94

SHA1
2345f5203dc819c33782d8f3632f13e835066392

SHA256
76f0b30a1d93469ab744ac81a2f9f96f180e5df964189d3f9b71aef2673dff46

SHA512
80c0949bc0842e036a3ee3ca2023af9465c3f9d6a18a028b1453630a6b1005c9d9b44747600c41899ad551a57510fbe845a7f06df04763ec278189f22b4d2b3e

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\PCICAPI.dll

Filesize
106KB

MD5
67c53a770390e8c038060a1921c20da9

SHA1
49e63af91169c8ce7ef7de3d6a6fb9f8f739fa3a

SHA256
2dfdc169dfc27462adc98dde39306de8d0526dcf4577a1a486c2eef447300689

SHA512
201e07dbccd83480d6c4d8562e6d0a9e4c52ed12895f0b91d875c2bbcc50b3b1802e11e5e829c948be302bf98ebde7fb2a99476065d1709b3bdbcd5d59a1612d

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\PCICHEK.DLL

Filesize
14KB

MD5
3aabcd7c81425b3b9327a2bf643251c6

SHA1
ea841199baa7307280fc9e4688ac75e5624f2181

SHA256
0cff893b1e7716d09fb74b7a0313b78a09f3f48c586d31fc5f830bd72ce8331f

SHA512
97605b07be34948541462000345f1e8f9a9134d139448d4f331cefeeca6dad51c025fcab09d182b86e5a4a8e2f9412b3745ec86b514b0523497c821cb6b8c592

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\PCICL32.dll

Filesize
3.3MB

MD5
e7b92529ea10176fe35ba73fa4edef74

SHA1
fc5b325d433cde797f6ad0d8b1305d6fb16d4e34

SHA256
b6d4ad0231941e0637485ac5833e0fdc75db35289b54e70f3858b70d36d04c80

SHA512
fb3a70e87772c1fb386ad8def6c7bdf325b8d525355d4386102649eb2d61f09ce101fce37ccc1f44d5878e604e2e426d96618e836367ab460cae01f627833517

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\client32.exe

Filesize
101KB

MD5
c4f1b50e3111d29774f7525039ff7086

SHA1
57539c95cba0986ec8df0fcdea433e7c71b724c6

SHA256
18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

SHA512
005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

Download Submit
C:\Users\Admin\AppData\Roaming\Supsetupudate43921\client32.ini

Filesize
703B

MD5
2b5f75800c03b23937516cd95aaf3234

SHA1
16e51045ee0f70f8caf4ff5c82b06995b065fbb8

SHA256
a0a212022bc4ae055d8f75ddadf7d27c674933f2b435358eb104225f10763aa0

SHA512
a2e67f916432452466b12ea0b9d7e0d9c1962ed4baa05cf6523a965692b7615d512ee2cc65aaf9edf8cce9bc7f5fb9fbbf06fd312510d5b5bfff4fe4c416d212

Download Submit

Analysis

Sharing