Analysis
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max time kernel
144s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2023 03:50
Static task
static1
Behavioral task
behavioral1
Sample
245ef358e384f40caf1c178b4825f029.exe
Resource
win7-20230220-en
General
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Target
245ef358e384f40caf1c178b4825f029.exe
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Size
1.2MB
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MD5
245ef358e384f40caf1c178b4825f029
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SHA1
5c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b
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SHA256
9a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c
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SHA512
3f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639
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SSDEEP
24576:tIDoTqctaY5effnW8RDsXOvvYG1OArRYfPQcmzeznyG0B:tyoTpE/WwDIGOAYf2KyrB
Malware Config
Extracted
gh0strat
192.253.237.20
Signatures
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Processes:
resource yara_rule behavioral2/memory/1740-137-0x0000000010000000-0x0000000010192000-memory.dmp purplefox_rootkit behavioral2/memory/1340-150-0x0000000010000000-0x0000000010192000-memory.dmp purplefox_rootkit behavioral2/memory/1340-158-0x0000000000400000-0x000000000060E000-memory.dmp purplefox_rootkit behavioral2/memory/1740-156-0x0000000000400000-0x000000000060E000-memory.dmp purplefox_rootkit behavioral2/memory/4432-165-0x0000000010000000-0x0000000010192000-memory.dmp purplefox_rootkit behavioral2/memory/4432-173-0x0000000000400000-0x000000000060E000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
Processes:
resource yara_rule behavioral2/memory/1740-137-0x0000000010000000-0x0000000010192000-memory.dmp family_gh0strat behavioral2/memory/1340-150-0x0000000010000000-0x0000000010192000-memory.dmp family_gh0strat behavioral2/memory/1340-158-0x0000000000400000-0x000000000060E000-memory.dmp family_gh0strat behavioral2/memory/1740-156-0x0000000000400000-0x000000000060E000-memory.dmp family_gh0strat behavioral2/memory/4432-165-0x0000000010000000-0x0000000010192000-memory.dmp family_gh0strat behavioral2/memory/4432-173-0x0000000000400000-0x000000000060E000-memory.dmp family_gh0strat -
Executes dropped EXE 2 IoCs
Processes:
Deuvn.exeDeuvn.exepid process 1340 Deuvn.exe 4432 Deuvn.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
Deuvn.exedescription ioc process File opened (read-only) \??\N: Deuvn.exe File opened (read-only) \??\R: Deuvn.exe File opened (read-only) \??\V: Deuvn.exe File opened (read-only) \??\X: Deuvn.exe File opened (read-only) \??\Y: Deuvn.exe File opened (read-only) \??\Z: Deuvn.exe File opened (read-only) \??\G: Deuvn.exe File opened (read-only) \??\H: Deuvn.exe File opened (read-only) \??\J: Deuvn.exe File opened (read-only) \??\M: Deuvn.exe File opened (read-only) \??\Q: Deuvn.exe File opened (read-only) \??\S: Deuvn.exe File opened (read-only) \??\B: Deuvn.exe File opened (read-only) \??\P: Deuvn.exe File opened (read-only) \??\U: Deuvn.exe File opened (read-only) \??\W: Deuvn.exe File opened (read-only) \??\T: Deuvn.exe File opened (read-only) \??\E: Deuvn.exe File opened (read-only) \??\F: Deuvn.exe File opened (read-only) \??\I: Deuvn.exe File opened (read-only) \??\K: Deuvn.exe File opened (read-only) \??\L: Deuvn.exe File opened (read-only) \??\O: Deuvn.exe -
Drops file in System32 directory 2 IoCs
Processes:
245ef358e384f40caf1c178b4825f029.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Deuvn.exe 245ef358e384f40caf1c178b4825f029.exe File created C:\Windows\SysWOW64\Deuvn.exe 245ef358e384f40caf1c178b4825f029.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Deuvn.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Deuvn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Deuvn.exe -
Modifies data under HKEY_USERS 5 IoCs
Processes:
Deuvn.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum Deuvn.exe Key created \REGISTRY\USER\.DEFAULT\Software Deuvn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft Deuvn.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie Deuvn.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" Deuvn.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Deuvn.exepid process 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe 4432 Deuvn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
245ef358e384f40caf1c178b4825f029.exedescription pid process Token: SeIncBasePriorityPrivilege 1740 245ef358e384f40caf1c178b4825f029.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
245ef358e384f40caf1c178b4825f029.exeDeuvn.execmd.exedescription pid process target process PID 1740 wrote to memory of 1940 1740 245ef358e384f40caf1c178b4825f029.exe cmd.exe PID 1740 wrote to memory of 1940 1740 245ef358e384f40caf1c178b4825f029.exe cmd.exe PID 1740 wrote to memory of 1940 1740 245ef358e384f40caf1c178b4825f029.exe cmd.exe PID 1340 wrote to memory of 4432 1340 Deuvn.exe Deuvn.exe PID 1340 wrote to memory of 4432 1340 Deuvn.exe Deuvn.exe PID 1340 wrote to memory of 4432 1340 Deuvn.exe Deuvn.exe PID 1940 wrote to memory of 4828 1940 cmd.exe PING.EXE PID 1940 wrote to memory of 4828 1940 cmd.exe PING.EXE PID 1940 wrote to memory of 4828 1940 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\245ef358e384f40caf1c178b4825f029.exe"C:\Users\Admin\AppData\Local\Temp\245ef358e384f40caf1c178b4825f029.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\245EF3~1.EXE > nul2⤵
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:4828
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C:\Windows\SysWOW64\Deuvn.exeC:\Windows\SysWOW64\Deuvn.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\Deuvn.exeC:\Windows\SysWOW64\Deuvn.exe -acsi2⤵
- Executes dropped EXE
- Enumerates connected drives
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4432
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\Deuvn.exeFilesize
1.2MB
MD5245ef358e384f40caf1c178b4825f029
SHA15c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b
SHA2569a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c
SHA5123f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639
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C:\Windows\SysWOW64\Deuvn.exeFilesize
1.2MB
MD5245ef358e384f40caf1c178b4825f029
SHA15c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b
SHA2569a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c
SHA5123f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639
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C:\Windows\SysWOW64\Deuvn.exeFilesize
1.2MB
MD5245ef358e384f40caf1c178b4825f029
SHA15c3925af5ff6c842cf4070cdc15c79b5fb5e0e9b
SHA2569a5e9c343569f8b246585d9ebdb19a62e83116e988454ff74e9d6f18d182bc1c
SHA5123f82ec02cb3c85fc10d557085ebf073e409ea63db0b1ac935ab9ff2b7a82e77e0ac3f90f7eae2701bd38a9a1b9050376059e596b7e2da4fc86d5053857c9e639
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memory/1340-148-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1340-160-0x00000000007A0000-0x00000000007AE000-memory.dmpFilesize
56KB
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memory/1340-158-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1340-150-0x0000000010000000-0x0000000010192000-memory.dmpFilesize
1.6MB
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memory/1340-149-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1740-145-0x0000000002280000-0x000000000228E000-memory.dmpFilesize
56KB
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memory/1740-133-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1740-137-0x0000000010000000-0x0000000010192000-memory.dmpFilesize
1.6MB
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memory/1740-136-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1740-135-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1740-134-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/1740-156-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/4432-163-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/4432-162-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/4432-164-0x0000000000790000-0x000000000079E000-memory.dmpFilesize
56KB
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memory/4432-165-0x0000000010000000-0x0000000010192000-memory.dmpFilesize
1.6MB
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memory/4432-173-0x0000000000400000-0x000000000060E000-memory.dmpFilesize
2.1MB
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memory/4432-174-0x0000000000790000-0x000000000079E000-memory.dmpFilesize
56KB