Analysis
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max time kernel
150s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
08-02-2024 01:08
Behavioral task
behavioral1
Sample
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe
Resource
win7-20231215-en
General
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Target
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe
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Size
1.1MB
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MD5
34b6450b9e4e3b3727ff9d7e9c790d34
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SHA1
edbbd2c236ac2fe7402b938199b70f3510c2c58c
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SHA256
2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c
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SHA512
65349b6632615201537f9f1791f52de07d1ee101edddc1696916dfb02b320c45272be95286b25c4a743cf6b8889489f6e7b93c774ded6c46b98a74337748da38
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SSDEEP
24576:H884MROxnFE3ci3rrcI0AilFEvxHPpoot:HGMiuv3rrcI0AilFEvxHP
Malware Config
Extracted
orcus
0.tcp.eu.ngrok.io:12187
f78b25f6477f429680c2e1eadc9b201c
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autostart_method
TaskScheduler
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enable_keylogger
false
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install_path
%programfiles%\svchost\svchost.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\svchost.exe
Signatures
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Orcus main payload 1 IoCs
resource yara_rule behavioral1/files/0x0007000000014327-31.dat family_orcus -
Orcurs Rat Executable 3 IoCs
resource yara_rule behavioral1/memory/2296-0-0x0000000001080000-0x00000000011AC000-memory.dmp orcus behavioral1/files/0x0007000000014327-31.dat orcus behavioral1/memory/2216-37-0x0000000000F90000-0x00000000010BC000-memory.dmp orcus -
Executes dropped EXE 6 IoCs
pid Process 2864 WindowsInput.exe 2632 WindowsInput.exe 2216 svchost.exe 2608 svchost.exe 1584 svchost.exe 2332 svchost.exe -
Loads dropped DLL 3 IoCs
pid Process 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 2216 svchost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 3 0.tcp.eu.ngrok.io 10 0.tcp.eu.ngrok.io -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\WindowsInput.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File created C:\Windows\SysWOW64\WindowsInput.exe.config 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File created C:\Windows\SysWOW64\WindowsInput.InstallState WindowsInput.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\svchost\svchost.exe.config 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File created C:\Program Files (x86)\svchost\svchost.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe File opened for modification C:\Program Files (x86)\svchost\svchost.exe 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe 2216 svchost.exe 2332 svchost.exe 2332 svchost.exe 2216 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2216 svchost.exe Token: SeDebugPrivilege 1584 svchost.exe Token: SeDebugPrivilege 2332 svchost.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2296 wrote to memory of 2864 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 29 PID 2296 wrote to memory of 2864 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 29 PID 2296 wrote to memory of 2864 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 29 PID 2296 wrote to memory of 2864 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 29 PID 2296 wrote to memory of 2216 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 31 PID 2296 wrote to memory of 2216 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 31 PID 2296 wrote to memory of 2216 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 31 PID 2296 wrote to memory of 2216 2296 2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe 31 PID 2792 wrote to memory of 2608 2792 taskeng.exe 33 PID 2792 wrote to memory of 2608 2792 taskeng.exe 33 PID 2792 wrote to memory of 2608 2792 taskeng.exe 33 PID 2792 wrote to memory of 2608 2792 taskeng.exe 33 PID 2216 wrote to memory of 1584 2216 svchost.exe 34 PID 2216 wrote to memory of 1584 2216 svchost.exe 34 PID 2216 wrote to memory of 1584 2216 svchost.exe 34 PID 2216 wrote to memory of 1584 2216 svchost.exe 34 PID 1584 wrote to memory of 2332 1584 svchost.exe 35 PID 1584 wrote to memory of 2332 1584 svchost.exe 35 PID 1584 wrote to memory of 2332 1584 svchost.exe 35 PID 1584 wrote to memory of 2332 1584 svchost.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe"C:\Users\Admin\AppData\Local\Temp\2ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe" --install2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2864
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C:\Program Files (x86)\svchost\svchost.exe"C:\Program Files (x86)\svchost\svchost.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\Program Files (x86)\svchost\svchost.exe" 22163⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\Program Files (x86)\svchost\svchost.exe" 22164⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2332
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C:\Windows\SysWOW64\WindowsInput.exe"C:\Windows\SysWOW64\WindowsInput.exe"1⤵
- Executes dropped EXE
PID:2632
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C:\Windows\system32\taskeng.exetaskeng.exe {A7E7D3E5-25E7-4D65-9494-B1C5C598B7F1} S-1-5-21-3601492379-692465709-652514833-1000:CALKHSYM\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Program Files (x86)\svchost\svchost.exe"C:\Program Files (x86)\svchost\svchost.exe"2⤵
- Executes dropped EXE
PID:2608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD51e02e4c03e3b45510ae8fb87d2fb8a49
SHA12babcf02c0584251c4089a500cb939dd6d93ca30
SHA2567ff7fa1df2952f3af98ad2e0825b9693cfb89d7c01264c10d28c23e92914c036
SHA512648e8abe30104186ef7419404eedcc49f6678ff3980e717bfbfdb9b5dbd2c8cec321e626cf8e5055e87175de089207e417ef248809aadaf22de81e9e4f97ec66
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Filesize
357B
MD5a2b76cea3a59fa9af5ea21ff68139c98
SHA135d76475e6a54c168f536e30206578babff58274
SHA256f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad
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Filesize
1.1MB
MD534b6450b9e4e3b3727ff9d7e9c790d34
SHA1edbbd2c236ac2fe7402b938199b70f3510c2c58c
SHA2562ca341bc60674d590069eb99e8bf2ecb8cbf44c0fd0d40e7a7b870f05b5a900c
SHA51265349b6632615201537f9f1791f52de07d1ee101edddc1696916dfb02b320c45272be95286b25c4a743cf6b8889489f6e7b93c774ded6c46b98a74337748da38
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Filesize
9KB
MD5913967b216326e36a08010fb70f9dba3
SHA17b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA2568d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33
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Filesize
21KB
MD5e6fcf516d8ed8d0d4427f86e08d0d435
SHA1c7691731583ab7890086635cb7f3e4c22ca5e409
SHA2568dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e