netsupport | 2536ed1c773890e946e5dadb6566ccceafae393378261d01ff98107eae5a2206

General

Target

TRXUniontransfer_dtd_029042024_jpg.exe
Size

2.3MB
MD5

2058a7f8d1883cb12094943f67ecc4d5
SHA1

ea8c15bb13614589fd71b551f9dc1372e3969001
SHA256

2536ed1c773890e946e5dadb6566ccceafae393378261d01ff98107eae5a2206
SHA512

f9c7312c616c82b55ec1f6cc2cb84a56ac1196f14eb97b3c120c98daa311c7d784e8790153149ebcda6bd4a951f7a4a614cd22f775514f1b637df2eb3ebfe12a
SSDEEP

49152:6BCxJceRCf3Utos/LFwz+ZkvLnjQB+mGFqngC86ZJu1eHY:yRsto66+Zkjjqgd6u1eHY

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	TRXUniontransfer_dtd_029042024_jpg.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunsfin1321.ini.lnk	TRXUniontransfer_dtd_029042024_jpg.exe

Executes dropped EXE 1 IoCs

pid	Process
4496	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
4496	client32.exe
4496	client32.exe
4496	client32.exe
4496	client32.exe
4496	client32.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	4496	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4496	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 4496	1176	TRXUniontransfer_dtd_029042024_jpg.exe	84
PID 1176 wrote to memory of 4496	1176	TRXUniontransfer_dtd_029042024_jpg.exe	84
PID 1176 wrote to memory of 4496	1176	TRXUniontransfer_dtd_029042024_jpg.exe	84

C:\Users\Admin\AppData\Local\Temp\TRXUniontransfer_dtd_029042024_jpg.exe
"C:\Users\Admin\AppData\Local\Temp\TRXUniontransfer_dtd_029042024_jpg.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Users\Admin\AppData\Roaming\updatewin1263\client32.exe
  "C:\Users\Admin\AppData\Roaming\updatewin1263\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\updatewin1263\HTCTL32.DLL

Filesize
316KB

MD5
051cdb6ac8e168d178e35489b6da4c74

SHA1
38c171457d160f8a6f26baa668f5c302f6c29cd1

SHA256
6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269

SHA512
602ab9999f7164a2d1704f712d8a622d69148eefe9a380c30bc8b310eadedf846ce6ae7940317437d5da59404d141dc2d1e0c3f954ca4ac7ae3497e56fcb4e36

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\NSM.LIC

Filesize
259B

MD5
25fd6ff70798d7a998bb4b8a627dec22

SHA1
be3cb11cc23ae6261c1c491b6ea77c7781a70f7c

SHA256
af08f32fc2c00f4594e4fae9894d202e6d634fb1fc0c9fa6073ea55384b3f0b4

SHA512
0b5600716da52f057201f38d78631562230ea5b4f02f732768364fe4f6cc06b5019ea1f1cdbec0cce073781fb336e1f9a73f546aaa8d2aca6bb2320a61056622

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\PCICHEK.DLL

Filesize
14KB

MD5
3aabcd7c81425b3b9327a2bf643251c6

SHA1
ea841199baa7307280fc9e4688ac75e5624f2181

SHA256
0cff893b1e7716d09fb74b7a0313b78a09f3f48c586d31fc5f830bd72ce8331f

SHA512
97605b07be34948541462000345f1e8f9a9134d139448d4f331cefeeca6dad51c025fcab09d182b86e5a4a8e2f9412b3745ec86b514b0523497c821cb6b8c592

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\PCICL32.dll

Filesize
3.3MB

MD5
e7b92529ea10176fe35ba73fa4edef74

SHA1
fc5b325d433cde797f6ad0d8b1305d6fb16d4e34

SHA256
b6d4ad0231941e0637485ac5833e0fdc75db35289b54e70f3858b70d36d04c80

SHA512
fb3a70e87772c1fb386ad8def6c7bdf325b8d525355d4386102649eb2d61f09ce101fce37ccc1f44d5878e604e2e426d96618e836367ab460cae01f627833517

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\client32.exe

Filesize
99KB

MD5
989846336f383ddb78feb7ca6e436d64

SHA1
550ac75d81ed2895a33280d9cf41d3c45471316d

SHA256
1fb0385990fa6504769b166543aa3d4024393876999d05dc6ffbc3b47e761891

SHA512
389f5378fa9f47373897689fcbf1a3323be354c04126b4e3ee01d02959c8a1d88d543378435713a1c71bf7387532f37ce5e0e24d617710f6290b8adcb19e68a4

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\client32.ini

Filesize
817B

MD5
e56108e0f4c58cbcaf1eec8700d490a0

SHA1
91bf59720ea436934a6c38a9e7dd857392563c8a

SHA256
2f2f709bf04dcc1198f5b7c9b3ed5d0a21936ff745ec3a99e1fb993474ca0c22

SHA512
36e28ff4fe3b956941ffa9fbed20ab99a50a149cb17696555d15e75c5c727d30eacd4cbd47dd339d459a5681843f9e5b9ab4319f19fc084d6ad8cfa31edfad8e

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\msvcr100.dll

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

Download Submit
C:\Users\Admin\AppData\Roaming\updatewin1263\pcicapi.dll

Filesize
106KB

MD5
67c53a770390e8c038060a1921c20da9

SHA1
49e63af91169c8ce7ef7de3d6a6fb9f8f739fa3a

SHA256
2dfdc169dfc27462adc98dde39306de8d0526dcf4577a1a486c2eef447300689

SHA512
201e07dbccd83480d6c4d8562e6d0a9e4c52ed12895f0b91d875c2bbcc50b3b1802e11e5e829c948be302bf98ebde7fb2a99476065d1709b3bdbcd5d59a1612d

Download Submit

Analysis

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