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Analysis
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max time kernel
102s -
max time network
104s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 10:39
Static task
static1
Behavioral task
behavioral1
Sample
8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe
Resource
win10v2004-20221111-en
General
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Target
8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe
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Size
562KB
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MD5
1ca6347bb478383b61aa2fad0b5b09f6
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SHA1
4f56236862787d5644fb0fe90406981c320a720c
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SHA256
8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536
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SHA512
2b9487c9e2562771f753dbc529a689fc047d298548bb6e547f6f9d28a71fe2edb367b92a0ff0997b42eaa7da35530c8f2ee22ebf58b4da2395c3490fca03d128
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SSDEEP
12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2f7:kt9jF5JU2h6IlLUTUvdRRaz2f7
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 556 DownloadManager.exe -
Loads dropped DLL 8 IoCs
pid Process 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main DownloadManager.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 556 DownloadManager.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 556 DownloadManager.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 556 DownloadManager.exe 556 DownloadManager.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2008 wrote to memory of 556 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 30 PID 2008 wrote to memory of 556 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 30 PID 2008 wrote to memory of 556 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 30 PID 2008 wrote to memory of 556 2008 8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe"C:\Users\Admin\AppData\Local\Temp\8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\DM_ac0mq6e9yw\DownloadManager.exeDownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\8a3ce8a0eb904ffbe4d23cddfef9a2c8ae5d30029703b9ce67c4559fbaba4536.exe"2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:556
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
864KB
MD554fff123842d60d5e57d04c4cf7fbf93
SHA18b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb
SHA256e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44
SHA512b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1
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Filesize
864KB
MD554fff123842d60d5e57d04c4cf7fbf93
SHA18b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb
SHA256e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44
SHA512b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1
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Filesize
864KB
MD554fff123842d60d5e57d04c4cf7fbf93
SHA18b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb
SHA256e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44
SHA512b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1
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Filesize
864KB
MD554fff123842d60d5e57d04c4cf7fbf93
SHA18b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb
SHA256e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44
SHA512b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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Filesize
11KB
MD5a436db0c473a087eb61ff5c53c34ba27
SHA165ea67e424e75f5065132b539c8b2eda88aa0506
SHA25675ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
SHA512908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d
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Filesize
4KB
MD5031ec9b12afb1fafc9fc397f3b90f29c
SHA1de26ddfe3ef452f8205bfbd5520a8eff6328619f
SHA2562dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1
SHA512cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6
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Filesize
21KB
MD5d7a3fa6a6c738b4a3c40d5602af20b08
SHA134fc75d97f640609cb6cadb001da2cb2c0b3538a
SHA25667eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e
SHA51275cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934
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Filesize
16KB
MD5a555472395178ac8c733d90928e05017
SHA1f44b192d66473f01a6540aaec4b6c9ac4c611d35
SHA25682ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e
SHA512e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a