netsupport | 389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58

General

Target

JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe
Size

686.0MB
MD5

5116aee8147257fdc3765a96ab4bc78b
SHA1

ecc738fdabcf52c68b197e1321604cf041a4b330
SHA256

389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58
SHA512

c6dffb8e91903c4ea2f8c547aa1f58ddfb06a198859c2ebb5f0c7f062bf5d3138f7d6d9b6606030a8ac018334d3a206d43bbe34075e885f8dfb44ceb3b1c294c
SSDEEP

49152:aGzhmoSjcFNMcbm0dLovfFYvx7WA+0b7Gsr04TSfZeU69PX8hm50gpdnLosp:aG9mVSysLWFmLGR9fAUo0gpdnLosp

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\autorunns.ini.lnk	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe

Executes dropped EXE 1 IoCs

pid	Process
3512	client32.exe

Loads dropped DLL 5 IoCs

pid	Process
3512	client32.exe
3512	client32.exe
3512	client32.exe
3512	client32.exe
3512	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 2 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	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	3512	client32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3512	client32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe	82
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe	82
PID 4804 wrote to memory of 3512	4804	JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_389eb6e22bf7c2059ba653ec05ba3d0c3b59e3d242f5de887b96b5df25e0cd58.exe"
1⤵
- Checks computer location settings
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.exe
  "C:\Users\Admin\AppData\Roaming\SupportWinUp\client32.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:3512

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
320KB

MD5
c94005d2dcd2a54e40510344e0bb9435

SHA1
55b4a1620c5d0113811242c20bd9870a1e31d542

SHA256
3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899

SHA512
2e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a

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

Filesize
261B

MD5
a5090670b2a33d3172d86a5e37d8eb1f

SHA1
2cc5ac0a5998ceef432f761e838fc1dcea95844d

SHA256
79cdc33dc604d8e5dfa3a03031235e4cf3dcf96563ee9dab52e41d91572ba2d9

SHA512
70926685c88ad3f821170a21f5f034ec340af4b00d5b320b47444424ca44cf61acc196026bf945173bc08c94ade2a7f096b291fc82f6f73f457ecb56ab76e66e

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

Filesize
18KB

MD5
104b30fef04433a2d2fd1d5f99f179fe

SHA1
ecb08e224a2f2772d1e53675bedc4b2c50485a41

SHA256
956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd

SHA512
5efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f

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

Filesize
3.6MB

MD5
d3d39180e85700f72aaae25e40c125ff

SHA1
f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15

SHA256
38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5

SHA512
471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f

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

Filesize
109KB

MD5
b2b27ccaded1db8ee341d5bd2c373044

SHA1
1d0f9ca17c0961eeabffc2ba54e16854a13c8a9d

SHA256
e4985a9739637aad4a409c95da33a1304dc17fd6ef9046159b27c0b137a57911

SHA512
0987b11aa110ea6b6f4fe4361e587aff010508251644bdfb681a578fa4726fb56af039d55e0b74682fd7031414f665a98656186b220264c122a47d23751dcee1

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

Filesize
922B

MD5
dffa0231dc24306b8e3b2bd039626008

SHA1
045dfb40f236346bd81a3c4b066380e5836d210b

SHA256
e6ebb4737718713aa429816324aa74dad33cd714ad120cf06f56398dfae42a49

SHA512
28ad197d81f8c45dd211960e0a897ce1d99fdeff4a6f5f6f97933bb7aa7761e2827856d65be9197509bf1d853448e6fa5f1babbf9b067c9a5b75c49dfb5d2828

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

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

Filesize
32KB

MD5
34dfb87e4200d852d1fb45dc48f93cfc

SHA1
35b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641

SHA256
2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703

SHA512
f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2

Download Submit

Analysis

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