Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
26-09-2024 04:50
General
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Target
2024-09-26_76a0d2ef15e408b4a07f534c8d056b30_darkside.exe
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Size
146KB
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MD5
76a0d2ef15e408b4a07f534c8d056b30
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SHA1
7ddc10e637b0ab439b80a193420b00bcf03c3dd7
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SHA256
2317d33628eb06af24d1d6d94ff892d6fb6a7ecca24094d477f5c77829ca35c0
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SHA512
48f709fe69c2aa219ee40167f1f82806fd003b697b6ecc96aa87826670b12533530a9314a4a642e92784ef59b4a97628ab27a4c781695a37d946ca624f6fff67
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SSDEEP
3072:D6glyuxE4GsUPnliByocWepOsNPfGk21h:D6gDBGpvEByocWeqN
Malware Config
Signatures
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Renames multiple (147) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Drops desktop.ini file(s) 2 IoCs
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in System32 directory 4 IoCs
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
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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.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 14 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of SetWindowsHookEx 13 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-26_76a0d2ef15e408b4a07f534c8d056b30_darkside.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-26_76a0d2ef15e408b4a07f534c8d056b30_darkside.exe"1⤵
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
- Drops file in System32 directory
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C:\ProgramData\5E78.tmp"C:\ProgramData\5E78.tmp"2⤵
- Checks computer location settings
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\5E78.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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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 --field-trial-handle=4292,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4328 /prefetch:81⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc1⤵
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C:\Windows\system32\printfilterpipelinesvc.exeC:\Windows\system32\printfilterpipelinesvc.exe -Embedding1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE/insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{18202236-BDEF-4CE0-9F96-C1CCDBA22EE9}.xps" 1337179986427400002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD528a9655c1fa8c6bf72008c9aa9c4129f
SHA1de19825cffdcb20d188d6ab1e4ac96b7ddb124b9
SHA256a83f7915a3d4ad5e9b4b0555d5420d9c1de5177396e612d7e37275211494113e
SHA5129efd87c8ff90e4d5113a51911fc7190758628a28bb0c442f7b8c5fb44ec1f3e7de8b9ec40ea709f67b4a2dc15eada8804504658345ce182782419fda14d279b4
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Filesize
463B
MD56f7db6bb7b29b288b16771cd09f495e6
SHA1ab4c0ef134b8c4fefa75acd18c5f88d6c6870b58
SHA25695d26fea78a10ee5d82d4de5e16bba8077ef038139b3c0fcf7519f2b4c813518
SHA5128ce9df614eae8036043d85d9c3e36d0d0e464e6d3ae288afd6ad538722ef4e48d8910cd2bf34004f7415a6c894654f03fe0f2eb3ffea67e333351818b2d5edd9
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5d8f8da504793a8f653e59bc684af7fca
SHA1a5f9db3aafe91baff2be90bffe018fd7c7fa3e12
SHA2569efea5b56eea90e961379a23c22b4c2b1d7b4547ab254e44b1e7cdf553404e6c
SHA5122ee01d0d7a6ac7ae3916b095f8edb725a08527207ef35a1964cde0187a1dfd44c920009e2e3a4a3bb146a717fe2c937e2f0e2d5d9977029399a308b814964e76
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Filesize
4KB
MD59d5d0c5547012ea60dc417ccf2fc2e41
SHA1659f1c7e6c762e9515f849ed7290b5c0d980bd24
SHA2566f89576f9f29b395f515db767026a8aaa723013852eb012bc52e7bf7174fdaf7
SHA5123824f87a54a03017d86082efd2737ac99c842b14b1e0ca7d35e51aaecfce324612981887f18abf521051a508159c081464c38a4f81c9b21749cfa6708b2a33b1
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Filesize
129B
MD55afec5d2bc017ca2be54f6d7c61c88df
SHA18571deba9a784d106fbf5994691ccb01052a6965
SHA256f998d91dc9a4610cf2c75af32681ad116541b4a295f1b81f8c39924c7feda5ae
SHA5123d0ee3cb99a666a9df7abe96df735e779f2b5afd8b154a6bfe6ef7d7c459f5fd45c768c70a0ae04f9e0869935d7898aaad00deba8a01de1d917be5bfd5f4332f
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB