netsupport | 05e971644f982bad382bab47fb7831417bf1e526661a9128e1793b396d18db7b

Analysis

max time kernel
198s
max time network
217s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2025, 13:45

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General

Target

getuname.zip
Size

3.1MB
MD5

16b13445843c75d166f34120691de87c
SHA1

060926e71b593d955e796e5b61396bc260318371
SHA256

05e971644f982bad382bab47fb7831417bf1e526661a9128e1793b396d18db7b
SHA512

72d0222fdc3193e2a1d6d50fbc04466fd1c0fb9dc2112d6ade05389b8d258dce551339a93a71188149d431b73526c2cae1be16b269c1dffc9f51b428f239ec3b
SSDEEP

98304:7NaVx9kGrbRboocCY4aJPpc3AM/85dqNkqVF:7N+oGJbJa43AMcnqj

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

Executes dropped EXE 3 IoCs

pid	Process
4436	remcmdstub.exe
4984	client32.exe
4308	cksini (2).exe

Loads dropped DLL 5 IoCs

pid	Process
4984	client32.exe
4984	client32.exe
4984	client32.exe
4984	client32.exe
4984	client32.exe

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	cksini (2).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	remcmdstub.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-3446877943-4095308722-756223633-1000_Classes\Local Settings	OpenWith.exe

Opens file in notepad (likely ransom note) 3 IoCs

ransomware

pid	Process
2356	NOTEPAD.EXE
5352	NOTEPAD.EXE
5888	NOTEPAD.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	2044	7zG.exe
Token: 35	2044	7zG.exe
Token: SeSecurityPrivilege	2044	7zG.exe
Token: SeSecurityPrivilege	2044	7zG.exe
Token: SeSecurityPrivilege	4984	client32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2044	7zG.exe
4984	client32.exe

Suspicious use of SetWindowsHookEx 28 IoCs

pid	Process
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
4560	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe
5940	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 2356	4560	OpenWith.exe	114
PID 4560 wrote to memory of 2356	4560	OpenWith.exe	114
PID 5940 wrote to memory of 5352	5940	OpenWith.exe	119
PID 5940 wrote to memory of 5352	5940	OpenWith.exe	119

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\getuname.zip
1⤵
PID:1680

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4608

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\getuname\" -spe -an -ai#7zMap5601:96:7zEvent6194
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2044

C:\Users\Admin\AppData\Local\Temp\getuname\remcmdstub.exe
"C:\Users\Admin\AppData\Local\Temp\getuname\remcmdstub.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4436

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\getuname\NSM.ini
1⤵
- Opens file in notepad (likely ransom note)
PID:5888

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\getuname\NSM.LIC
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2356

C:\Users\Admin\AppData\Local\Temp\getuname\client32.exe
"C:\Users\Admin\AppData\Local\Temp\getuname\client32.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4984

C:\Users\Admin\AppData\Local\Temp\getuname\cksini (2).exe
"C:\Users\Admin\AppData\Local\Temp\getuname\cksini (2).exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4308

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5940
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\getuname\PrivacySandboxAttestationsPreloaded\manifest.json
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:5352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Temp\getuname\HTCTL32.DLL

Filesize
306KB

MD5
3eed18b47412d3f91a394ae880b56ed2

SHA1
1b521a3ed4a577a33cce78eee627ae02445694ab

SHA256
13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f

SHA512
835f35af4fd241caa8b6a639626b8762db8525ccceb43afe8fffc24dffad76ca10852a5a8e9fc114bfbf7d1dc1950130a67037fc09b63a74374517a1f5448990

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

Filesize
262B

MD5
b9956282a0fed076ed083892e498ac69

SHA1
d14a665438385203283030a189ff6c5e7c4bf518

SHA256
fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc

SHA512
7daa09113c0e8a36c91cc6d657c65851a20dff6b60ac3d2f40c5737c12c1613c553955f84d131ba2139959973fef9fc616ca5e968cb16c25acf2d4739eed87eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\NSM.ini

Filesize
5KB

MD5
99f493dce7fab330dc47f0cab8fe6172

SHA1
16906fb5988303bb462b65ff4ece23539a12f4b5

SHA256
e0ed36c897eaa5352fab181c20020b60df4c58986193d6aaf5bf3e3ecdc4c05d

SHA512
2c58171c30aec8ae131a7c32162856fce551b55f861d0d9fb0e27a91bd7084388df5860392f80cdbc6df6e64e97d8bf2cae587c3d6b7c142ce711ae8e240bb01

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\PCICAPI.dll

Filesize
44KB

MD5
9daa86d91a18131d5caf49d14fb8b6f2

SHA1
6b2f7ceb6157909e114a2b05a48a1a2606b5caf1

SHA256
1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557

SHA512
9a98e0d9e2dda8aefa54bddb3c7b71501d638dff68863939de6caa117b0e7bf15e581a75419ef8a0da3f1c56a19f1b0f4c86d65f8581773ab88ff5764b9bb3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\PCICHEK.DLL

Filesize
27KB

MD5
e311935a26ee920d5b7176cfa469253c

SHA1
eda6c815a02c4c91c9aacd819dc06e32ececf8f0

SHA256
0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e

SHA512
48164e8841cfc91f4cbf4d3291d4f359518d081d9079a7995378f970e4085b534f4bafc15b83f4824cc79b5a1e54457b879963589b1acbcfe727a03eb3dffd1c

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

Filesize
3.3MB

MD5
77b3988cbae5a2550caec42cc5e8ec35

SHA1
5fa1eeb60e881bfd82eb7c3d9e911587982aaa38

SHA256
650382fe6596c8dc0c1739713c2076d4ddff32d5c177210b1241550bb8148cfd

SHA512
480f3abef7b799bd604ba9825e2b8cf681e7850373761c579ef181607980d5159c225fb486996e3088f39662f873743d25b52368045d3ae5bd8d45e44d1e8bec

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\PrivacySandboxAttestationsPreloaded\manifest.json

Filesize
123B

MD5
2b6f737dc8b2ae315e5d244aa680da8a

SHA1
fd75055e0b00a306afdd59cf8510ead189779eeb

SHA256
0afa9f67afc9e1a240847c74123a597cb5cb5c1a37166ef0940a5f9e422f73ac

SHA512
73595642930e27f616dc9914a7cb88a3a2cf0927926db604a48d435801384e8d9eb960666faf5bd5b7f90869ecf9cae8d592fbde1ba1214b64653bcb2476bd17

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\cksini (2).exe

Filesize
85KB

MD5
953896600dfb86750506706f1599d415

SHA1
80204dd5ff71618de5e09d8090738672eaa966b0

SHA256
f37f6c1c401ebaf3f2879f62a524e1d5bb302e0ef5ae867ccfe7fafc7464f47d

SHA512
06f702a2b09afa24356d2d1fa9331f6351e8ac58394d02edaa6a0673fb25dd02ab790bc8b2b157bdd10e631df59fbbfd5691543e522f92be9922fb95e3140085

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

Filesize
117KB

MD5
1c19c2e97c5e6b30de69ee684e6e5589

SHA1
5734ef7f9e4dba0639c98881e00f03eea35a62ee

SHA256
312a0e4db34a40cb95ba1fac8bf87deb45d0c5f048d38ac65eb060273b07df67

SHA512
ab7240b81be04f1bced47701a5791bbeedcba6037ee936327478c304aa1ce5ae75856ca7f568f909f847e27db2a6b9c08db7cc1057a18fab14a39a5854f15cba

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

Filesize
723B

MD5
037effdb39d55d10733be7cd5df322c2

SHA1
6dddf2c8ddf018545d96550e24eb3c06c3efee66

SHA256
5b6f65c9bf7d7b0fbb768eb00df8aff71bd67d2ce64a7c7994d859212d9edd68

SHA512
ac530e397f4b2ecf99b555e1af752cb935e1099193526bf9b032adc6d95305ea446de4a78d520cdfd46ff5d6065cd4668da75aa56e4e869cd40aecf047cf38ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Local\Temp\getuname\remcmdstub.exe

Filesize
67KB

MD5
62cb7909b5247f472b0e3f748faedf35

SHA1
f424005eb21deb09f1617f33814d6e6c3851b7dc

SHA256
f6aac87863a73299b260315748cb0bc0b964d860cf5710993ca54bd79aaae5db

SHA512
2f4e36f6a0718e7fc9e08e5cca13b76089cb6c42ab772475a2fd68128268e3c0b6c6371ea665b793a8f6bcc3da76c6a57cb0b916d1d8b71c47d603933a7d72c4

Download Submit