Analysis
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max time kernel
153s -
max time network
141s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
04-05-2021 02:02
Static task
static1
Behavioral task
behavioral1
Sample
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe
Resource
win7v20210408
General
Malware Config
Extracted
orcus
179.43.176.20:5555
ae22de65f6d645a28ca19a1a6708c2e6
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autostart_method
Registry
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enable_keylogger
true
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install_path
%appdata%\retry\retry.exe
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reconnect_delay
10000
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registry_keyname
retry
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taskscheduler_taskname
retry
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watchdog_path
AppData\retryWatchdog.exe
Signatures
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Orcus Main Payload 4 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\retry\retry.exe family_orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe family_orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe family_orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe family_orcus -
Orcurs Rat Executable 4 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\retry\retry.exe orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe orcus C:\Users\Admin\AppData\Roaming\retry\retry.exe orcus -
Executes dropped EXE 4 IoCs
Processes:
retry.exeretry.exeretryWatchdog.exeretryWatchdog.exepid process 1992 retry.exe 764 retry.exe 1140 retryWatchdog.exe 1964 retryWatchdog.exe -
Loads dropped DLL 2 IoCs
Processes:
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exeretry.exepid process 1304 fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe 1992 retry.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
retryWatchdog.exeretry.exepid process 1964 retryWatchdog.exe 1964 retryWatchdog.exe 1964 retryWatchdog.exe 1992 retry.exe 1992 retry.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe 1964 retryWatchdog.exe 1992 retry.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
retry.exeretryWatchdog.exeretryWatchdog.exedescription pid process Token: SeDebugPrivilege 1992 retry.exe Token: SeDebugPrivilege 1140 retryWatchdog.exe Token: SeDebugPrivilege 1964 retryWatchdog.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
retry.exepid process 1992 retry.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exetaskeng.exeretry.exeretryWatchdog.exedescription pid process target process PID 1304 wrote to memory of 1992 1304 fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe retry.exe PID 1304 wrote to memory of 1992 1304 fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe retry.exe PID 1304 wrote to memory of 1992 1304 fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe retry.exe PID 1304 wrote to memory of 1992 1304 fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe retry.exe PID 1428 wrote to memory of 764 1428 taskeng.exe retry.exe PID 1428 wrote to memory of 764 1428 taskeng.exe retry.exe PID 1428 wrote to memory of 764 1428 taskeng.exe retry.exe PID 1428 wrote to memory of 764 1428 taskeng.exe retry.exe PID 1992 wrote to memory of 1140 1992 retry.exe retryWatchdog.exe PID 1992 wrote to memory of 1140 1992 retry.exe retryWatchdog.exe PID 1992 wrote to memory of 1140 1992 retry.exe retryWatchdog.exe PID 1992 wrote to memory of 1140 1992 retry.exe retryWatchdog.exe PID 1140 wrote to memory of 1964 1140 retryWatchdog.exe retryWatchdog.exe PID 1140 wrote to memory of 1964 1140 retryWatchdog.exe retryWatchdog.exe PID 1140 wrote to memory of 1964 1140 retryWatchdog.exe retryWatchdog.exe PID 1140 wrote to memory of 1964 1140 retryWatchdog.exe retryWatchdog.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe"C:\Users\Admin\AppData\Local\Temp\fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\retry\retry.exe"C:\Users\Admin\AppData\Roaming\retry\retry.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exe"C:\Users\Admin\AppData\Roaming\retryWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\retry\retry.exe" 1992 /protectFile3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exe"C:\Users\Admin\AppData\Roaming\retryWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\retry\retry.exe" 1992 "/protectFile"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\taskeng.exetaskeng.exe {4A4EB658-6FC7-49F4-812A-4359A791CC1B} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\retry\retry.exeC:\Users\Admin\AppData\Roaming\retry\retry.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exeMD5
913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exeMD5
913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exeMD5
913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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C:\Users\Admin\AppData\Roaming\retryWatchdog.exe.configMD5
a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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C:\Users\Admin\AppData\Roaming\retry\retry.exeMD5
743a525c8aa82ecf21086573633cb63b
SHA19615f9006e748901c7127c3b51ea10c2711a03c0
SHA256fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6
SHA5128401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab
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C:\Users\Admin\AppData\Roaming\retry\retry.exeMD5
743a525c8aa82ecf21086573633cb63b
SHA19615f9006e748901c7127c3b51ea10c2711a03c0
SHA256fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6
SHA5128401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab
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C:\Users\Admin\AppData\Roaming\retry\retry.exeMD5
743a525c8aa82ecf21086573633cb63b
SHA19615f9006e748901c7127c3b51ea10c2711a03c0
SHA256fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6
SHA5128401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab
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C:\Users\Admin\AppData\Roaming\retry\retry.exe.configMD5
a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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\Users\Admin\AppData\Roaming\retryWatchdog.exeMD5
913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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\Users\Admin\AppData\Roaming\retry\retry.exeMD5
743a525c8aa82ecf21086573633cb63b
SHA19615f9006e748901c7127c3b51ea10c2711a03c0
SHA256fb302575202fbad92bacb697b475319bb868c43b8ffc62a5b251ff773e76dbc6
SHA5128401653399fcbe4721371e31a6fae2a25a27d251d0cc5d349c3d700087835a3dbdc41775cf5fb51d307c3a9c8e2b6eabe9d6e4123229317b78428817208e1dab
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memory/764-81-0x0000000000000000-mapping.dmp
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memory/764-87-0x0000000004AB0000-0x0000000004AB1000-memory.dmpFilesize
4KB
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memory/1140-96-0x0000000075AD1000-0x0000000075AD3000-memory.dmpFilesize
8KB
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memory/1140-94-0x0000000001300000-0x0000000001301000-memory.dmpFilesize
4KB
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memory/1140-90-0x0000000000000000-mapping.dmp
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memory/1304-60-0x0000000000B90000-0x0000000000B91000-memory.dmpFilesize
4KB
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memory/1304-66-0x00000000009F0000-0x00000000009F2000-memory.dmpFilesize
8KB
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memory/1304-65-0x00000000009D0000-0x00000000009E0000-memory.dmpFilesize
64KB
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memory/1304-64-0x0000000004080000-0x00000000040DA000-memory.dmpFilesize
360KB
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memory/1304-63-0x0000000000790000-0x000000000079C000-memory.dmpFilesize
48KB
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memory/1304-62-0x00000000049A0000-0x00000000049A1000-memory.dmpFilesize
4KB
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memory/1964-97-0x0000000000000000-mapping.dmp
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memory/1992-68-0x0000000000000000-mapping.dmp
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memory/1992-88-0x0000000000B20000-0x0000000000B2C000-memory.dmpFilesize
48KB
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memory/1992-80-0x0000000000B00000-0x0000000000B15000-memory.dmpFilesize
84KB
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memory/1992-79-0x00000000009E0000-0x0000000000A28000-memory.dmpFilesize
288KB
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memory/1992-78-0x0000000004970000-0x0000000004971000-memory.dmpFilesize
4KB
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memory/1992-72-0x00000000010F0000-0x00000000010F1000-memory.dmpFilesize
4KB
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memory/1992-101-0x0000000004975000-0x0000000004986000-memory.dmpFilesize
68KB