netsupport | 520aa5d7a22badb0dfc60f71032dce372d36a392f5474847cdf867e48a28ec6d

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
11/12/2023, 09:36

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General

Target

CB140E011A9F85340F5C488A56604469.exe
Size

2.1MB
MD5

cb140e011a9f85340f5c488a56604469
SHA1

962216ba23f8bb522849076dbc6d7d8137ad0cc7
SHA256

520aa5d7a22badb0dfc60f71032dce372d36a392f5474847cdf867e48a28ec6d
SHA512

eb95e2deb3879634e6e6f237d88faf603bd3d3bc1dff6404d9bad2c6d6e0d4c42e61ac47c12acaf6ba47d52d60afb75a5231743ba29675a50e65e39c5a15cc34
SSDEEP

49152:c0zZBDJkFSrSzXcW5FLEg95FnkLl6XVQsZL2UvMSvWNE7+thP4Gz2:c+zkFSrmXcA7p8l6GKDTe8+tJE

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-1-5-21-2037190880-819243489-950462038-1000\Control Panel\International\Geo\Nation	CB140E011A9F85340F5C488A56604469.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Yetscientist.lnk	CB140E011A9F85340F5C488A56604469.exe

Executes dropped EXE 1 IoCs

pid	Process
4260	dwemr.exe

Loads dropped DLL 6 IoCs

pid	Process
4260	dwemr.exe
4260	dwemr.exe
4260	dwemr.exe
4260	dwemr.exe
4260	dwemr.exe
4260	dwemr.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	4260	dwemr.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4260	dwemr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 4260	2372	CB140E011A9F85340F5C488A56604469.exe	89
PID 2372 wrote to memory of 4260	2372	CB140E011A9F85340F5C488A56604469.exe	89
PID 2372 wrote to memory of 4260	2372	CB140E011A9F85340F5C488A56604469.exe	89

C:\Users\Admin\AppData\Local\Temp\CB140E011A9F85340F5C488A56604469.exe
"C:\Users\Admin\AppData\Local\Temp\CB140E011A9F85340F5C488A56604469.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Roaming\yetscientist\dwemr.exe
  "C:\Users\Admin\AppData\Roaming\yetscientist\dwemr.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

Filesize
257B

MD5
7067af414215ee4c50bfcd3ea43c84f0

SHA1
c331d410672477844a4ca87f43a14e643c863af9

SHA256
2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

SHA512
17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

Download Submit
C:\Users\Admin\AppData\Roaming\yetscientist\PCICL32.DLL

Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

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

Filesize
3.1MB

MD5
852f85c48323c88675d2443ea6cefacd

SHA1
f909ceae1172ba9ab89d3c37eb3826ab142843a2

SHA256
2c5627fe2cf78cce47cde8c69bcffea361c53c70473b6ab435bd95695e44b173

SHA512
5e3851fa755ac763a055a9777287f83d3f9388b2a60988efad5e6c62b32f6bf0ae8341a8dde5f9c65dce81ba9a24c19b93708d2d66a49b5ac4e5c9295a20efa6

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

Filesize
665B

MD5
1458cffdb95d18244ab2cd25eb023efe

SHA1
efa9e092ec05c532b1b9891e4a7d572cef99757f

SHA256
aedca68b0ca89a6f76fe14e150166e2bb4fc8e530395736b99cee62ca98268d5

SHA512
30031a42319779b8622a3cff3fb3fcc936fd8a1483eca69c2fc01ba5d144907a36d87a164e3453d48714dad17f9ea298f945231f647a373a4d96205114b35742

Download Submit
C:\Users\Admin\AppData\Roaming\yetscientist\dwemr.exe

Filesize
103KB

MD5
8d9709ff7d9c83bd376e01912c734f0a

SHA1
e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294

SHA256
49a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3

SHA512
042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee

Download Submit
C:\Users\Admin\AppData\Roaming\yetscientist\pcicapi.dll

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
C:\Users\Admin\AppData\Roaming\yetscientist\pcichek.dll

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

Download Submit