Analysis
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max time kernel
54s -
max time network
72s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
23/04/2023, 23:47
Static task
static1
General
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Target
a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe
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Size
564KB
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MD5
0f607be2721abf7f09a8c8e207089780
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SHA1
0df217be6a205f1a981cb7ad21022fa9a77c5af0
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SHA256
a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856
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SHA512
f1a3e10701d6c7633dbdb331756f514672863d58c38c96d742c37854b3b6cadadac9aba59c54eef91752c5512846e300de5a856a11f6c1916f2a0bb86ade3901
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SSDEEP
12288:gy90h5cOtgmgrQwXCTTM/fIBBzc027zMMxES7xcrXwq5T:gyc5cMgUwwM6pD27oOEcWx
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" it830143.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" it830143.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" it830143.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" it830143.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" it830143.exe -
Executes dropped EXE 4 IoCs
pid Process 3276 zirJ5650.exe 3748 it830143.exe 4140 kp122533.exe 2608 lr662247.exe -
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" it830143.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zirJ5650.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" zirJ5650.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3748 it830143.exe 3748 it830143.exe 4140 kp122533.exe 4140 kp122533.exe 2608 lr662247.exe 2608 lr662247.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3748 it830143.exe Token: SeDebugPrivilege 4140 kp122533.exe Token: SeDebugPrivilege 2608 lr662247.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3076 wrote to memory of 3276 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 66 PID 3076 wrote to memory of 3276 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 66 PID 3076 wrote to memory of 3276 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 66 PID 3276 wrote to memory of 3748 3276 zirJ5650.exe 67 PID 3276 wrote to memory of 3748 3276 zirJ5650.exe 67 PID 3276 wrote to memory of 4140 3276 zirJ5650.exe 68 PID 3276 wrote to memory of 4140 3276 zirJ5650.exe 68 PID 3276 wrote to memory of 4140 3276 zirJ5650.exe 68 PID 3076 wrote to memory of 2608 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 70 PID 3076 wrote to memory of 2608 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 70 PID 3076 wrote to memory of 2608 3076 a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe"C:\Users\Admin\AppData\Local\Temp\a7626e55e8539a6d1b01e1d05bf884b8b7ffa990cfd62cb29dcb298a89faa856.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirJ5650.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zirJ5650.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it830143.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\it830143.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3748
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp122533.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp122533.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4140
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr662247.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr662247.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
136KB
MD5ace73b2b1f835de11594ea9a243a9f5c
SHA12f929d1f69784fbe499a95b064679a16947bdd84
SHA2567310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49
SHA512024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e
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Filesize
136KB
MD5ace73b2b1f835de11594ea9a243a9f5c
SHA12f929d1f69784fbe499a95b064679a16947bdd84
SHA2567310c28dc6a24530885da07d08c851b4a6c5aa987d2a44ce53cb73e72235fa49
SHA512024e1ce3ab37e27c8647d02f79c434e103a84265c97b4773aed1a0b1fd3e8228eab560fc9b6f53b0132575ea855d1da0cd0b6b6e5cd2965f841cf8551c7d138e
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Filesize
409KB
MD55151982b85228606a718116d4790f4d0
SHA1c73b79689d5b810f1ff7556da0a7f2da91a2f3fa
SHA25667209925b30d7ff6935c209341ad3b7f070e26ee17753fc4ce3775d9664a418b
SHA51223ecf0aa325c649d1b611f3cecdaeb2e3d51ac023ad4ad9ab237406f22d74ecc8d69fa73f1571ecdd425a09fe3d4e2225672a8e218647f9f6653a66b4ffcea3e
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Filesize
409KB
MD55151982b85228606a718116d4790f4d0
SHA1c73b79689d5b810f1ff7556da0a7f2da91a2f3fa
SHA25667209925b30d7ff6935c209341ad3b7f070e26ee17753fc4ce3775d9664a418b
SHA51223ecf0aa325c649d1b611f3cecdaeb2e3d51ac023ad4ad9ab237406f22d74ecc8d69fa73f1571ecdd425a09fe3d4e2225672a8e218647f9f6653a66b4ffcea3e
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
361KB
MD5e090763a72c191b237f19756229c5ee0
SHA14508610e7c287ba7b52eef6119d8a5ad8e32c7c8
SHA25656746625235f6431dc5565ce6fadb6595f495acb6691ac429d3ca3a5eddd0a39
SHA5127eef90551480d92b150b741076469d2cb0353f76d0e01161521dd89e050eefc57e449e39ddd4f15e9b3fda857e5ac426fffdb723645df471c4251cc2872df5b5
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Filesize
361KB
MD5e090763a72c191b237f19756229c5ee0
SHA14508610e7c287ba7b52eef6119d8a5ad8e32c7c8
SHA25656746625235f6431dc5565ce6fadb6595f495acb6691ac429d3ca3a5eddd0a39
SHA5127eef90551480d92b150b741076469d2cb0353f76d0e01161521dd89e050eefc57e449e39ddd4f15e9b3fda857e5ac426fffdb723645df471c4251cc2872df5b5