netsupport | a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6

Analysis

max time kernel
146s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 07:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
Size

681.3MB
MD5

3d2b342a8ac39e23ec8f44371fb4d001
SHA1

9c0c0f3e80932b0d92b51249f273fd1d67511aa2
SHA256

a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6
SHA512

f41a978c97bed0ab49f4bd6256037cc94726bc58f2cd238c0d0ea5fb5d3e0400bd763a1fb98dd584277ab3cf07a1bec3a5a34ea23d6376d63df6d67a13ea8a43
SSDEEP

49152:LbA3VkA0YiuBO8qbzb9ehNw6NbHHrc05RBtPXD2lIwgR3cjXBdlh:LbSx0ID26wY3T5DZXq2w3XBdr

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
Netsupport family
netsupport

Checks computer location settings 2 TTPs 2 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	client32resov.exe

Executes dropped EXE 2 IoCs

pid	Process
2364	client32resov.exe
2948	client32resov.exe

Loads dropped DLL 6 IoCs

pid	Process
2948	client32resov.exe
2948	client32resov.exe
2948	client32resov.exe
2948	client32resov.exe
2948	client32resov.exe
2948	client32resov.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\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tsymmjpxin = "\"C:\\Users\\Admin\\AppData\\Roaming\\Tvamucaabt\\Tsymmjpxin.exe\""	client32resov.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 2948	2364	client32resov.exe	97

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 5 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	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32resov.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	client32resov.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3732	powershell.exe
3732	powershell.exe
3572	powershell.exe
3572	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	2364	client32resov.exe
Token: SeDebugPrivilege	3572	powershell.exe
Token: SeSecurityPrivilege	2948	client32resov.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2948	client32resov.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2948	client32resov.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2364	2492	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	86
PID 2492 wrote to memory of 2364	2492	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	86
PID 2492 wrote to memory of 2364	2492	JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe	86
PID 2364 wrote to memory of 3732	2364	client32resov.exe	89
PID 2364 wrote to memory of 3732	2364	client32resov.exe	89
PID 2364 wrote to memory of 3732	2364	client32resov.exe	89
PID 2364 wrote to memory of 3572	2364	client32resov.exe	95
PID 2364 wrote to memory of 3572	2364	client32resov.exe	95
PID 2364 wrote to memory of 3572	2364	client32resov.exe	95
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97
PID 2364 wrote to memory of 2948	2364	client32resov.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a19b07ba8129bd9a9375335887f5736e3d6a0c163b0df8ec3d6a3dbacdcfeed6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
  "C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3732
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3572
- - C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
    C:\Users\Admin\AppData\Roaming\NetClient\client32resov.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
1KB

MD5
6195a91754effb4df74dbc72cdf4f7a6

SHA1
aba262f5726c6d77659fe0d3195e36a85046b427

SHA256
3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5

SHA512
ed723d15de267390dc93263538428e2c881be3494c996a810616b470d6df7d5acfcc8725687d5c50319ebef45caef44f769bfc32e0dc3abd249dacff4a12cc89

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
06ad34f9739c5159b4d92d702545bd49

SHA1
9152a0d4f153f3f40f7e606be75f81b582ee0c17

SHA256
474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

SHA512
c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
16KB

MD5
0bf066caeafc14d4fbf4452c0bd2800b

SHA1
9146b8bd294e8e28e6f2e0c7cd59811635760d9f

SHA256
494de0af6d35b52bec59f1da5868b0c89285fafded9c581f3f7799c531369967

SHA512
6112343528c8e0440f8c95c31f30f1ccff3064235cf1a92998b7b27c1c527ad631ce8d5a0b298eb055d26a17b733fcf48c82ddb8f741ea6d6c8ddfa5bbe10a59

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zsekgja4.be5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\NetClient\CLIENT32.exe

Filesize
103KB

MD5
8d9709ff7d9c83bd376e01912c734f0a

SHA1
e3c92713ce1d7eaa5e2b1fabeb06cdc0bb499294

SHA256
49a568f8ac11173e3a0d76cff6bc1d4b9bdf2c35c6d8570177422f142dcfdbe3

SHA512
042ad89ed2e15671f5df67766d11e1fa7ada8241d4513e7c8f0d77b983505d63ebfb39fefa590a2712b77d7024c04445390a8bf4999648f83dbab6b0f04eb2ee

Download Submit
C:\Users\Admin\AppData\Roaming\NetClient\HTCTL32.DLL

Filesize
320KB

MD5
2d3b207c8a48148296156e5725426c7f

SHA1
ad464eb7cf5c19c8a443ab5b590440b32dbc618f

SHA256
edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796

SHA512
55c791705993b83c9b26a8dbd545d7e149c42ee358ecece638128ee271e85b4fdbfd6fbae61d13533bf39ae752144e2cc2c5edcda955f18c37a785084db0860c

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

Filesize
257B

MD5
7067af414215ee4c50bfcd3ea43c84f0

SHA1
c331d410672477844a4ca87f43a14e643c863af9

SHA256
2050cc232710a2ea6a207bc78d1eac66a4042f2ee701cdfeee5de3ddcdc31d12

SHA512
17b888087192bcea9f56128d0950423b1807e294d1c4f953d1bf0f5bd08e5f8e35afeee584ebf9233bfc44e0723db3661911415798159ac118c8a42aaf0b902f

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

Filesize
18KB

MD5
a0b9388c5f18e27266a31f8c5765b263

SHA1
906f7e94f841d464d4da144f7c858fa2160e36db

SHA256
313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a

SHA512
6051a0b22af135b4433474dc7c6f53fb1c06844d0a30ed596a3c6c80644df511b023e140c4878867fa2578c79695fac2eb303aea87c0ecfc15a4ad264bd0b3cd

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

Filesize
3.6MB

MD5
00587238d16012152c2e951a087f2cc9

SHA1
c4e27a43075ce993ff6bb033360af386b2fc58ff

SHA256
63aa18c32af7144156e7ee2d5ba0fa4f5872a7deb56894f6f96505cbc9afe6f8

SHA512
637950a1f78d3f3d02c30a49a16e91cf3dfccc59104041876789bd7fdf9224d187209547766b91404c67319e13d1606da7cec397315495962cbf3e2ccd5f1226

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

Filesize
620B

MD5
488faf140b6aa79cc1a76461f452b14b

SHA1
8ab70d10bd3e0a6cf7694b698fcebfac6ee3b96c

SHA256
3dc4f4c753d4be5645547efbfea509852414def402f6b96de910c80e5beca2da

SHA512
ddf3194e14193feeceaa39a84ed8ba4ef31b73785154588471a6a9e5bee69a5283d3e299a8504d88974f0673749e910e758d3588515ec8a4030c637ae1e3a45e

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

Filesize
755KB

MD5
0e37fbfa79d349d672456923ec5fbbe3

SHA1
4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

SHA256
8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

SHA512
2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

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

Filesize
32KB

MD5
dcde2248d19c778a41aa165866dd52d0

SHA1
7ec84be84fe23f0b0093b647538737e1f19ebb03

SHA256
9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917

SHA512
c5d170d420f1aeb9bcd606a282af6e8da04ae45c83d07faaacb73ff2e27f4188b09446ce508620124f6d9b447a40a23620cfb39b79f02b04bb9e513866352166

Download Submit
memory/2364-116-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/2364-32-0x0000000072F9E000-0x0000000072F9F000-memory.dmp

Filesize
4KB

Download
memory/2364-33-0x0000000000BC0000-0x0000000000E94000-memory.dmp

Filesize
2.8MB

Download
memory/2364-39-0x0000000006C00000-0x0000000006F54000-memory.dmp

Filesize
3.3MB

Download
memory/2364-38-0x0000000006BD0000-0x0000000006BF2000-memory.dmp

Filesize
136KB

Download
memory/2364-37-0x0000000006AD0000-0x0000000006B62000-memory.dmp

Filesize
584KB

Download
memory/2364-34-0x0000000003010000-0x000000000309A000-memory.dmp

Filesize
552KB

Download
memory/2364-60-0x0000000072F9E000-0x0000000072F9F000-memory.dmp

Filesize
4KB

Download
memory/2364-61-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/2364-36-0x0000000006A70000-0x0000000006AB0000-memory.dmp

Filesize
256KB

Download
memory/2364-35-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/2948-106-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2948-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3572-98-0x00000000071A0000-0x00000000071A8000-memory.dmp

Filesize
32KB

Download
memory/3572-97-0x00000000071C0000-0x00000000071DA000-memory.dmp

Filesize
104KB

Download
memory/3572-79-0x00000000061C0000-0x00000000061F2000-memory.dmp

Filesize
200KB

Download
memory/3572-80-0x0000000070190000-0x00000000701DC000-memory.dmp

Filesize
304KB

Download
memory/3572-90-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/3572-91-0x0000000006E60000-0x0000000006F03000-memory.dmp

Filesize
652KB

Download
memory/3572-92-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/3572-93-0x0000000007100000-0x0000000007196000-memory.dmp

Filesize
600KB

Download
memory/3572-94-0x0000000007060000-0x0000000007071000-memory.dmp

Filesize
68KB

Download
memory/3572-95-0x0000000007090000-0x000000000709E000-memory.dmp

Filesize
56KB

Download
memory/3572-96-0x00000000070B0000-0x00000000070C4000-memory.dmp

Filesize
80KB

Download
memory/3732-55-0x0000000005C00000-0x0000000005C66000-memory.dmp

Filesize
408KB

Download
memory/3732-66-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/3732-62-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/3732-58-0x00000000076A0000-0x0000000007D1A000-memory.dmp

Filesize
6.5MB

Download
memory/3732-57-0x0000000006090000-0x00000000060DC000-memory.dmp

Filesize
304KB

Download
memory/3732-56-0x0000000006070000-0x000000000608E000-memory.dmp

Filesize
120KB

Download
memory/3732-59-0x0000000006570000-0x000000000658A000-memory.dmp

Filesize
104KB

Download
memory/3732-54-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/3732-50-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/3732-42-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/3732-43-0x00000000051B0000-0x00000000057D8000-memory.dmp

Filesize
6.2MB

Download
memory/3732-41-0x0000000072F90000-0x0000000073740000-memory.dmp

Filesize
7.7MB

Download
memory/3732-40-0x0000000002A90000-0x0000000002AC6000-memory.dmp

Filesize
216KB

Download