Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
17-09-2024 02:09
General
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Target
artifact.exe
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Size
146KB
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MD5
b49f2ded048a1c07e09e731d84c7bbb8
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SHA1
826176b2a3f8258b944dacf1f17a4495b73d104a
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SHA256
4178821f84d63a57ba7858c0b1e6adfa9d206943c06ac70b1a497d9269388db3
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SHA512
fbcde9c4334756d305715e1ec5f6216515ffd25ab0b861945807d0605b1d84339933ddd24ddb45f77f5390e9915e7b237cbcef45ad2f883a98b25747d0cca774
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SSDEEP
3072:n6glyuxE4GsUPnliByocWep2ntZdy0OS55Ei:n6gDBGpvEByocWeordyXS55Ei
Malware Config
Signatures
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Renames multiple (636) 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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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 64 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\artifact.exe"C:\Users\Admin\AppData\Local\Temp\artifact.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\E909.tmp"C:\ProgramData\E909.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\E909.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\{BA666881-865D-453C-861E-18BF8AAA756B}.xps" 1337101260747800002⤵
- Checks processor information in registry
- Enumerates system info in registry
- 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
MD5232f3fe89c8fb223aa70f7aada475f8e
SHA10ff0e4f17e3825bfc2b53944955c58fb0a9d41b8
SHA25615734f293208338c038c84943768ff238d3c700396e7ebaa7138266dda277afb
SHA512162a1337e692839ba1a2eca541c4308015f0d3be789c6a286b11374a536dea115ca57f8dffee62c1b3e22c7b9e0b05f9a6fb203c8b6a21828774cc7de02c7b21
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Filesize
343B
MD572b1ffaeb7de456483f491ecceadb088
SHA1ee1953abc295245ab01f35a4a823883826bf2b41
SHA256eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7
SHA512c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD5aaffa0a49c97a64e042fa7071f0125ec
SHA1fc8ce5ebdc74f8093788c37760e8772f376ff0c5
SHA256778849d22caeea428c301b6850a86c38657bd4f17696159fd8d28b383b114fd2
SHA51225605aae845ea5343bc1dfc0a190fefac67b49263da32a1c25d7a6924f054a896c0b5867e2b4307aa58b923bf3127f252d25898d85b72fd855416eebca4a9be6
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Filesize
4KB
MD56a465aa6263799d20fa7a8c4bc7e3f7a
SHA1ad98ba37f13a9072b2574a881f1d95f905fc3a54
SHA256dc749855f8edfddf93aa320364cdc420aaa94e4b95bfde9818ff4f756b5c89e8
SHA512da6c92de2f2a95d907a0787c9c6987787a14925c03e5806edd04641a6e1721f23a9edf7f85ad080e8fa1b8b477aac6c6cf25252b02b996f6e0ab061cf2145f33
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Filesize
129B
MD520f2c834343f3934df17325457a25e79
SHA1d79bfc3425209021fac5ec6c13f50777c40f482a
SHA2563bc5ec77d6a12d5a737775ad8ff499f181323f6389c2a8ff2aecd468a538e0d2
SHA5123beb88f6123bfd8bd8160ab10b59dbfcdc26d1b4914bbad42b190feca78dc594e8adc36d03e63ac1f07671ce03a80bd0b315b471928dd8bc11adc244c39c9e4d
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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
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Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
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Filesize
64KB