Analysis
- max time kernel
132s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
14/06/2021, 14:30
Static task
static1
Behavioral task
behavioral1
Sample
1f5c2c56cc3b0b3552512bae5ee65e2e.exe
Resource
win7v20210410
0 signatures
0 seconds
General
- Target 1f5c2c56cc3b0b3552512bae5ee65e2e.exe
- Size 6.1MB
- Sample210614-ferlftb1e2
- SHA256 2dc257664c9b3bf2d5b1519c4d6951ce3ce674a15fdf7578f18c6e8ff2e3073f
- MD5 1f5c2c56cc3b0b3552512bae5ee65e2e
- SHA1 48ce8806626dbf97cde8a6ca3d5900c48828537c
- SHA512 dcf4ecfa3e18da881ef629c3632007e4cab13f59eb80e94a59f3e50cd448932333a1f192f8345597762ecd71d6678b563eac9d96ce1615bdf613586592b9b9bb
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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danabot
Version
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1827
Botnet
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3
C2
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192.210.198.12:443
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37.220.31.50:443
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184.95.51.183:443
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184.95.51.175:443
Attributes
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embedded_hash
410EB249B3A3D8613B29638D583F7193
rsa_pubkey.plain
rsa_pubkey.plain
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 11 3496 RUNDLL32.EXE - Deletes itself 1 IoCs
pid Process 360 rundll32.exe - Loads dropped DLL 2 IoCs
pid Process 360 rundll32.exe 3496 RUNDLL32.EXE - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RUNDLL32.EXE Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RUNDLL32.EXE - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4012 powershell.exe 4012 powershell.exe 4012 powershell.exe 3496 RUNDLL32.EXE 3496 RUNDLL32.EXE 4076 powershell.exe 4076 powershell.exe 4076 powershell.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 360 rundll32.exe Token: SeDebugPrivilege 3496 RUNDLL32.EXE Token: SeDebugPrivilege 4012 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3496 RUNDLL32.EXE - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1868 wrote to memory of 360 1868 1f5c2c56cc3b0b3552512bae5ee65e2e.exe 78 PID 1868 wrote to memory of 360 1868 1f5c2c56cc3b0b3552512bae5ee65e2e.exe 78 PID 1868 wrote to memory of 360 1868 1f5c2c56cc3b0b3552512bae5ee65e2e.exe 78 PID 360 wrote to memory of 3496 360 rundll32.exe 79 PID 360 wrote to memory of 3496 360 rundll32.exe 79 PID 360 wrote to memory of 3496 360 rundll32.exe 79 PID 3496 wrote to memory of 4012 3496 RUNDLL32.EXE 81 PID 3496 wrote to memory of 4012 3496 RUNDLL32.EXE 81 PID 3496 wrote to memory of 4012 3496 RUNDLL32.EXE 81 PID 3496 wrote to memory of 4076 3496 RUNDLL32.EXE 83 PID 3496 wrote to memory of 4076 3496 RUNDLL32.EXE 83 PID 3496 wrote to memory of 4076 3496 RUNDLL32.EXE 83 PID 4076 wrote to memory of 3304 4076 powershell.exe 85 PID 4076 wrote to memory of 3304 4076 powershell.exe 85 PID 4076 wrote to memory of 3304 4076 powershell.exe 85 PID 3496 wrote to memory of 1868 3496 RUNDLL32.EXE 86 PID 3496 wrote to memory of 1868 3496 RUNDLL32.EXE 86 PID 3496 wrote to memory of 1868 3496 RUNDLL32.EXE 86 PID 3496 wrote to memory of 360 3496 RUNDLL32.EXE 88 PID 3496 wrote to memory of 360 3496 RUNDLL32.EXE 88 PID 3496 wrote to memory of 360 3496 RUNDLL32.EXE 88
Processes
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C:\Users\Admin\AppData\Local\Temp\1f5c2c56cc3b0b3552512bae5ee65e2e.exe"C:\Users\Admin\AppData\Local\Temp\1f5c2c56cc3b0b3552512bae5ee65e2e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.EXE2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:360 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\1F5C2C~1.DLL,eB9ZLDa0BQ==3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp5970.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4012
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Executionpolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\tmp6CAC.tmp.ps1"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SysWOW64\nslookup.exe"C:\Windows\system32\nslookup.exe" -type=any localhost5⤵PID:3304
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:1868
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵PID:360
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