Analysis
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max time kernel
84s -
max time network
78s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 18:36
Static task
static1
Behavioral task
behavioral1
Sample
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe
Resource
win10v2004-20220812-en
General
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Target
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe
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Size
559KB
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MD5
4e8b1eb929a40bad338d25d13e711501
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SHA1
a2ccc7133d17d103a2cbb5f26448132cbd2d8bfc
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SHA256
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382
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SHA512
9022e1cb3722a794445371b889aeee15e70ff748554b5082980972ca26add350cd801172b2e4fe13f5e4ff3d6524bb8addd6209f983f654baae2492f2903a97c
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SSDEEP
12288:RPwMDD10JLlX4plVF664qrsXvVNgTob5itLXvo9jyISJd1/dnee2fZ:1t909K/VF4qrW7CFXvoxbWz/Jee2fZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
DownloadManager.exepid process 1020 DownloadManager.exe -
Loads dropped DLL 8 IoCs
Processes:
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exepid process 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
DownloadManager.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main DownloadManager.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
DownloadManager.exepid process 1020 DownloadManager.exe -
Suspicious use of SendNotifyMessage 1 IoCs
Processes:
DownloadManager.exepid process 1020 DownloadManager.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
DownloadManager.exepid process 1020 DownloadManager.exe 1020 DownloadManager.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exedescription pid process target process PID 1764 wrote to memory of 1020 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe DownloadManager.exe PID 1764 wrote to memory of 1020 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe DownloadManager.exe PID 1764 wrote to memory of 1020 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe DownloadManager.exe PID 1764 wrote to memory of 1020 1764 b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe DownloadManager.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe"C:\Users\Admin\AppData\Local\Temp\b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DM_huZink2oNE\DownloadManager.exeDownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\b02a6090a6c393dc7282292ddbe752d421dcd2cb9053331584f3ea1756a9a382.exe"2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\DM_huZink2oNE\DownloadManager.exeFilesize
858KB
MD5af74f136d1706a7323107308294cce54
SHA130981d867bbb480ba134b1eec34a499466e480e3
SHA256253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218
SHA5121c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a
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C:\Users\Admin\AppData\Local\Temp\DM_huZink2oNE\DownloadManager.exeFilesize
858KB
MD5af74f136d1706a7323107308294cce54
SHA130981d867bbb480ba134b1eec34a499466e480e3
SHA256253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218
SHA5121c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a
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\Users\Admin\AppData\Local\Temp\DM_huZink2oNE\DownloadManager.exeFilesize
858KB
MD5af74f136d1706a7323107308294cce54
SHA130981d867bbb480ba134b1eec34a499466e480e3
SHA256253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218
SHA5121c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a
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\Users\Admin\AppData\Local\Temp\DM_huZink2oNE\DownloadManager.exeFilesize
858KB
MD5af74f136d1706a7323107308294cce54
SHA130981d867bbb480ba134b1eec34a499466e480e3
SHA256253edd4e0cc12adc3843da90a157521821c89aa031c9de570a18c027ebb6c218
SHA5121c49e192b93ff58acad1ee0e39c96fbea361bc2f2253f335f2372ed8fbabbb2da32f312bc4024a582ced5bc10d8c2fb418cc2cf8e3d5afc3940337fb5631ef1a
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\System.dllFilesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\System.dllFilesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\System.dllFilesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\UserInfo.dllFilesize
4KB
MD5031ec9b12afb1fafc9fc397f3b90f29c
SHA1de26ddfe3ef452f8205bfbd5520a8eff6328619f
SHA2562dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1
SHA512cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\inetc.dllFilesize
21KB
MD5d7a3fa6a6c738b4a3c40d5602af20b08
SHA134fc75d97f640609cb6cadb001da2cb2c0b3538a
SHA25667eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e
SHA51275cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934
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\Users\Admin\AppData\Local\Temp\nsy82F7.tmp\pwgen.dllFilesize
16KB
MD5a555472395178ac8c733d90928e05017
SHA1f44b192d66473f01a6540aaec4b6c9ac4c611d35
SHA25682ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e
SHA512e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a
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memory/1020-63-0x0000000000000000-mapping.dmp
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memory/1020-66-0x000007FEF3D10000-0x000007FEF4733000-memory.dmpFilesize
10.1MB
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memory/1020-67-0x000007FEEE3F0000-0x000007FEEF486000-memory.dmpFilesize
16.6MB
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memory/1020-68-0x000007FEFB871000-0x000007FEFB873000-memory.dmpFilesize
8KB
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memory/1020-69-0x0000000000B97000-0x0000000000BB6000-memory.dmpFilesize
124KB
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memory/1020-70-0x000007FEEBF30000-0x000007FEECDBF000-memory.dmpFilesize
14.6MB
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memory/1020-71-0x0000000000B97000-0x0000000000BB6000-memory.dmpFilesize
124KB
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memory/1764-54-0x0000000075FC1000-0x0000000075FC3000-memory.dmpFilesize
8KB