netsupport | a378a6a5e51b753df66e6d1111d415dd61208f7e1489128ff9cc6cd1c726ac00

Analysis

max time kernel
140s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2024, 05:21

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General

Target

yearprogrampro/yearprogrampro.exe
Size

720KB
MD5

a1fe4b371b934c8c687b206b7564cfb8
SHA1

33f1e110a1a105a7f848a57e82c8f425ce05a9ca
SHA256

3eccbb445d0849dd728ecc11d3f408aa20680961f7f2e5360f62d79ef4723354
SHA512

c89e18a962eb929eb91390d0983cce564167861120ed6588d2f3cf97be30187f3d0573c649c25131a11608291f75301f7ee408b9836a97c2a8bca763f13b0017
SSDEEP

12288:fizy90baNIAj2PrQo78/WCzB/XC36wYLDyfM/rg2zPHP4cYC0gNo:fAyc9ASPolC36wPfkHDv4cYQa

Score

10^/10

netsupport discovery persistence rat

Malware Config

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1000	yearprogram.exe
4000	client32.exe

Loads dropped DLL 6 IoCs

pid	Process
4000	client32.exe
4000	client32.exe
4000	client32.exe
4000	client32.exe
4000	client32.exe
4000	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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	yearprogrampro.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1000 set thread context of 3084	1000	yearprogram.exe	99

System Location Discovery: System Language Discovery 1 TTPs 4 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	yearprogram.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4256	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1000	yearprogram.exe
1000	yearprogram.exe
1000	yearprogram.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1000	yearprogram.exe
Token: SeSecurityPrivilege	4000	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4000	client32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 1000	3088	yearprogrampro.exe	84
PID 3088 wrote to memory of 1000	3088	yearprogrampro.exe	84
PID 3088 wrote to memory of 1000	3088	yearprogrampro.exe	84
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 1000 wrote to memory of 3084	1000	yearprogram.exe	99
PID 3084 wrote to memory of 4256	3084	AddInProcess32.exe	101
PID 3084 wrote to memory of 4256	3084	AddInProcess32.exe	101
PID 3084 wrote to memory of 4256	3084	AddInProcess32.exe	101
PID 3084 wrote to memory of 4000	3084	AddInProcess32.exe	103
PID 3084 wrote to memory of 4000	3084	AddInProcess32.exe	103
PID 3084 wrote to memory of 4000	3084	AddInProcess32.exe	103

C:\Users\Admin\AppData\Local\Temp\yearprogrampro\yearprogrampro.exe
"C:\Users\Admin\AppData\Local\Temp\yearprogrampro\yearprogrampro.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yearprogram.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yearprogram.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1000
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3084
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4256
  - - C:\Users\Admin\AppData\Local\DNScache\client32.exe
      C:\Users\Admin\AppData\Local\DNScache\client32.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of FindShellTrayWindow
      PID:4000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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:\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\PCICHEK.DLL

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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
640B

MD5
6eeb15a71863a041860f4d235f262c43

SHA1
56d8f4bc78e9ba306ae76c78bf63199da85bb157

SHA256
8c4058275296cdac4be580f5b4b5edaad854202977544f1cba66afbf5e80ca59

SHA512
2b02a3b94c91d0d6f836dfe501d360492dd01d01adedbd231e8bbe1db6052fd418a0c41ad0d72de1835a3427ee24b50f95c97b4929db48214432cc284a5d9cd1

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\Temp\IXP000.TMP\yearprogram.exe

Filesize
1.1MB

MD5
6fa89393a624a32bc158ee1332e59a62

SHA1
29fc34d4f4a968a39e0a63aa02c52efa6326ab21

SHA256
eb80160b232aed097a23127ccc243649aa6939901186de4bf319d549418f663c

SHA512
91750d3d0c0e68a17b0a725703deaa7c1b1f3090af2a1fd756254e5b338407de2ae6f6f75beacf56a297e83ae3b3918ab83ae6042068211d58b5c23d2593d45b

Download Submit
memory/1000-10-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1000-21-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1000-15-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1000-16-0x0000000006890000-0x00000000068AA000-memory.dmp

Filesize
104KB

Download
memory/1000-17-0x0000000006A00000-0x0000000006A06000-memory.dmp

Filesize
24KB

Download
memory/1000-5-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/1000-6-0x0000000000270000-0x0000000000388000-memory.dmp

Filesize
1.1MB

Download
memory/1000-14-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/1000-13-0x0000000074CD0000-0x0000000075480000-memory.dmp

Filesize
7.7MB

Download
memory/1000-12-0x0000000005530000-0x000000000553A000-memory.dmp

Filesize
40KB

Download
memory/1000-11-0x0000000005450000-0x00000000054EE000-memory.dmp

Filesize
632KB

Download
memory/1000-9-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/1000-8-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/1000-7-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/3084-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3084-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download