Analysis
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max time kernel
143s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
26-10-2024 12:58
General
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Target
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe
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Size
194KB
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MD5
b7b4c97132d03eead1fa9a9352dee6c2
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SHA1
c9eb1bdc528076fa9c91668addf0723294ac1575
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SHA256
1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2
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SHA512
cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903
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SSDEEP
3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3
Malware Config
Signatures
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Renames multiple (622) 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 3 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\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.exe"C:\Users\Admin\AppData\Local\Temp\1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2.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\A7C.tmp"C:\ProgramData\A7C.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\A7C.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\{3FAE0ABC-BCE0-462C-92B5-F960671B7C5E}.xps" 1337442115006500002⤵
- 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
MD5e9866bb4e4409e908225719c9ab9e08b
SHA1d566a51cccad939f5ab46676eee13b28ab30bbb6
SHA256072cd0623d3e5885f4fe2a7a75fa9dcd595ce1845620acec6692f492de46693f
SHA51290ba540747d7c05df27b41d5349ac127e8ba84385c9966d326745f60949354e492cabd8524142bfe0469f60bef351323e3dd48984a40eb57fa2dee7579e2bf47
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
194KB
MD5623dfa81a5d87a1088207b7d78f85649
SHA1fdd171898c8e8dc40530202f04f0c896bfecea4b
SHA256851c080f564ca846fcec98b2d55930466ca4c1733d936ccf3e56c2ca25e42f34
SHA512d45ae0f95562af110e6a64a27906225187284c7352415c422227d3bcfd1af692e11bf72e2233e4bf6beffae033f93eb67cab639e301497262889432041c0e0eb
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Filesize
4KB
MD505ec5200c8bc2b85a93884c0f8b2985e
SHA112bacd504e17fd9b88f3376780e00c856e71a3fc
SHA25651b957b1d8bc82b0e1fcb423e3da1c38f591d341194f10424a1f9a99d1fc8088
SHA51274a78c16a067778c65077d924681a0ca3067649c6150f581192fdfe1836cc2cc05f56c8ed05c1d5bda923ce26f015e26b6fa4c2b33359e2db0d04611e2104488
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Filesize
4KB
MD5b484e31b5422df0344712f7fa11c765d
SHA171b6f3b19a65499d09820cf511eec39253c15b6c
SHA256e6a019b7ac9e0d3926cd25b82e658b8983476ce3c2480c26344e0e3ce805a7ec
SHA5122e081a3ff584ade0b233c05bb2ba6f795f3b6f25a2d923f4d44f81ce2013eabb170a56a0978c62970c042a9104c43d137c0af3b1e27ca4a79793fc778b1fe68a
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Filesize
434B
MD5ad29bd8c66e114ff57c943d16c78f72a
SHA15ab070ee89a36f38facae4dfc8ec5ce3e59af46e
SHA2566fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
SHA512a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1
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Filesize
129B
MD5dcd481bb35318b95142e095c15702be4
SHA119fa96ae8913b0de98331863865b2333f785a11f
SHA256d9231e43df22b54559157241d1181eeeb104319b7d4dd97e85c10f918d5dff3a
SHA51216e1331c87fc6a37a511dd4adcef253253d627deb7d03d2771558dae63fa5cbe475c68071b59890c131afd841d8b0ec21ac1b1a4c7219418e755cdcf3d7df01a
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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