Analysis
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max time kernel
145s -
max time network
136s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
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submitted
02-09-2024 11:21
General
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Target
e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390.exe
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Size
146KB
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MD5
7f6830b77ad13b244bc5d702d67137bf
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SHA1
1fbd763388a3e9679ac66b35da8a78e041611fe4
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SHA256
e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390
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SHA512
488cb83c7267cfc70989e09489373f4372325531f7c02b1711fbdf6dfeaa377c39b84d5e971136e0e41d0a6dcde52ec4d21a749169eedb9e9ba43eb9caf077de
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SSDEEP
3072:c6glyuxE4GsUPnliByocWep0XL63DjDeprS:c6gDBGpvEByocWeOmuNS
Malware Config
Signatures
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Renames multiple (506) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 62 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\e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390.exe"C:\Users\Admin\AppData\Local\Temp\e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390.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\F8C8.tmp"C:\ProgramData\F8C8.tmp"2⤵
- 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\F8C8.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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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\{021A09BE-970D-4380-83BE-B04724EFE35D}.xps" 1336974969353800002⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD57cd0fb10dd5a3d5d97a93e5c9281d8d8
SHA1a0bc8734d65426f99092e7670c37fd9ad71d9b22
SHA256a6092fd31b652f9e011dc80a8d036665e6b3d6bc19df669ab64d53d2d3fe3bb3
SHA512979079dfffae5301db82549756b297795ef7b326756bf7fa9b1bd1caa4200871bce23536399eaf0e40828234c15c02d5e56c9dd856ee17a915b5e4344c911969
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5a8ab1695bef761e3a92093f9127a85f4
SHA1958845b7e971382d382c4d4f5a1750db84e0f72d
SHA256b76ea2c3291509ccbd138db01d48eb4aecc71114cfef57d71ae5ab3dc30081bb
SHA512d9bc50a8c5e5160af8794b58ac81557f2abed639b2bbe047b19643d58f4365f4a663a04c94334e97c5b117fe4a223d0a82bbdeeab5b28d5032bee6295cd41b94
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Filesize
4KB
MD580d012c477fbec0d35f788ae5bdacd43
SHA1d3c0e175f99175b212d3984861d53cfe047979c6
SHA2561fd1c0da90aef13d2adc705cb7cb4705409bf9875031b06ef43444af9f6a0b81
SHA51292b7c7b36118bdf8da45ce5c7bb9b0ce491f85940b7e0b9ff83ce1be568a20a13bc48af4fb2c7f6bd4cee69aba3f3cb3c0df74fbe72dbc1e18f5f1f1b650ae46
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Filesize
4KB
MD5cdd7dd855ec0d2bdfc8f4edee8d2c719
SHA1377f6936f3b92fdb159230791ab2695bfbbc28d5
SHA256525a840549ec2519cd099a718f06a32d8ccc88f2aa975b5646503b5406bd2923
SHA5120eff2889bf48c9ddc85cc9a5965157f4d8d0609a7a9cc76a56b5c1cd301f3c43786649920c2bb65525c61f31118254aeae8f4da794e18c7f80a21be2ea084fc0
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Filesize
343B
MD572b1ffaeb7de456483f491ecceadb088
SHA1ee1953abc295245ab01f35a4a823883826bf2b41
SHA256eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7
SHA512c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445
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Filesize
129B
MD536c2595f415b60b5135f74ab09c990e0
SHA1d051bf81f7f93c64fbead956582777323fb7fdca
SHA256aaac472ab7dde4f3753ae7f9bbeb722ec45607fb55c1ebe1a293d48acb79dd36
SHA512c40cde3f01d823d0ce7ae4879f591faa84750ece89ac4608a5c911e1d91cc8ae45afb34a503080b8eeada74e713711cb64db4a618472770e1ad50aaca580ed59
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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
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB