netsupport | 46159df1dd676199e544ddeec7acbb73ded7e90796330390b7db4eb4dd274cbd

Analysis

max time kernel
121s
max time network
132s
platform
windows7_x64
resource
win7v20210410
submitted
19/04/2021, 22:35

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General

Target
46D0C29885D8F64DF3A5FB7293609A46.exe
Size 2.2MB
Sample210419-ff8dd67cb6
SHA256 46159df1dd676199e544ddeec7acbb73ded7e90796330390b7db4eb4dd274cbd
MD5 46d0c29885d8f64df3a5fb7293609a46
SHA1 27ae7cf9b73e2c16dc87dffbb1502bf1831f4f65
SHA512 dc120d8e725630eeef30dd01fc3969b8f33837b287b3d41327cb71d83475076cb0d26ef3ee440795eb91f1ceebf284993b2b5a625b1214c6a97c715b77e84301
MD5 SHA1 SHA512

Score

10^/10

netsupport rat

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1304	client32.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autoruning.ini.lnk	46D0C29885D8F64DF3A5FB7293609A46.exe

Loads dropped DLL 8 IoCs

pid	Process
1040	46D0C29885D8F64DF3A5FB7293609A46.exe
1040	46D0C29885D8F64DF3A5FB7293609A46.exe
1304	client32.exe
1304	client32.exe
1304	client32.exe
1304	client32.exe
1304	client32.exe
1304	client32.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1304	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1304	client32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26
PID 1040 wrote to memory of 1304	1040	46D0C29885D8F64DF3A5FB7293609A46.exe	26

C:\Users\Admin\AppData\Local\Temp\46D0C29885D8F64DF3A5FB7293609A46.exe
"C:\Users\Admin\AppData\Local\Temp\46D0C29885D8F64DF3A5FB7293609A46.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe
  "C:\Users\Admin\AppData\Roaming\WinSupport\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:1304

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1040-59-0x0000000074F31000-0x0000000074F33000-memory.dmp

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