netsupport | d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9

General

Target

d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe
Size

4.9MB
MD5

ecfdde187846c27fef59c61d42d474b3
SHA1

25d35ff7f5c38626bd77b5cd9fed849fd1186499
SHA256

d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9
SHA512

08ac6368aa2857c6201b6812d4adffb7e690f16750bc7b39b3116076fec10aa716c4a868afe9310984ad94f71e65df91fe813ed415f0deee562ceeaf4f800f5e
SSDEEP

98304:HZVS4lyfvsVqltyD5DhADNlXQ2orLmKeLDCVvANLA1pOuI8F7fqLmLhPR6x7:OkPD52

Score

10^/10

netsupport discovery rat

Malware Config

Signatures

NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
rat netsupport
Netsupport family
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe

Executes dropped EXE 1 IoCs

pid	Process
4368	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
4368	client32.exe
4368	client32.exe
4368	client32.exe
4368	client32.exe
4368	client32.exe
4368	client32.exe

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 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1344	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4368	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	client32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 1344	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	82
PID 556 wrote to memory of 1344	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	82
PID 556 wrote to memory of 1344	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	82
PID 556 wrote to memory of 4368	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	83
PID 556 wrote to memory of 4368	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	83
PID 556 wrote to memory of 4368	556	d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe	83

C:\Users\Admin\AppData\Local\Temp\d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe
"C:\Users\Admin\AppData\Local\Temp\d5f5204efc969b0a9a132413c637f09bce02cff7ea932c504d418e80265158f9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /create /sc ONLOGON /tn "DNScache" /tr "C:\Users\Admin\AppData\Local\DNScache\client32.exe" /RL HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1344
- C:\Users\Admin\AppData\Local\DNScache\client32.exe
  C:\Users\Admin\AppData\Local\DNScache\client32.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\DNScache\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

Download Submit
C:\Users\Admin\AppData\Local\DNScache\MSVCR100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Local\DNScache\NSM.LIC

Filesize
259B

MD5
1dc87146379e5e3f85fd23b25889ae2a

SHA1
b750c56c757ad430c9421803649acf9acd15a860

SHA256
f7d80e323e7d0ed1e3ddd9b5df08af23dcecb47a3e289314134d4b76b3adcaf2

SHA512
7861abe50eefdf4452e4baacc4b788895610196b387b70ddeab7bc70735391ed0a015f47eada94a368b82f8e5cedb5a2096e624f4a881ff067937ad159e3562c

Download Submit
C:\Users\Admin\AppData\Local\DNScache\PCICL32.dll

Filesize
3.5MB

MD5
ad51946b1659ed61b76ff4e599e36683

SHA1
dfe2439424886e8acf9fa3ffde6caaf7bfdd583e

SHA256
07a191254362664b3993479a277199f7ea5ee723b6c25803914eedb50250acf4

SHA512
6c30e7793f69508f6d9aa6edcec6930ba361628ef597e32c218e15d80586f5a86d89fcbee63a35eab7b1e0ae26277512f4c1a03df7912f9b7ff9a9a858cf3962

Download Submit
C:\Users\Admin\AppData\Local\DNScache\client32.exe

Filesize
54KB

MD5
9497aece91e1ccc495ca26ae284600b9

SHA1
a005d8ce0c1ea8901c1b4ea86c40f4925bd2c6da

SHA256
1b63f83f06dbd9125a6983a36e0dbd64026bb4f535e97c5df67c1563d91eff89

SHA512
4c892e5029a707bcf73b85ac110d8078cb273632b68637e9b296a7474ab0202320ff24cf6206de04af08abf087654b0d80cbecfae824c06616c47ce93f0929c9

Download Submit
C:\Users\Admin\AppData\Local\DNScache\client32.ini

Filesize
637B

MD5
5274a126ee2f7f926fb8f9ac53a57abd

SHA1
10eeb6dbd99013c7969c27d09104fcb0ffbd97da

SHA256
b3f198f6976b2a97a0aafd4127bf1a274c3ca388226de13da37f3b5976b439ca

SHA512
fcf0b3c57bd2db6544274cb622c4855e915c74705c311e3f94749a401238ebf525fb4c9607528dedb9944b8c682a3da2e4bcdd9a0e6d7367241430e54ab290db

Download Submit
C:\Users\Admin\AppData\Local\DNScache\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Local\DNScache\pcichek.dll

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads