Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29/03/2025, 01:38
Static task
static1
Behavioral task
behavioral1
Sample
Rwlleacvff.exe
Resource
win7-20240903-en
General
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Target
Rwlleacvff.exe
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Size
1.1MB
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MD5
d4b61b8225bba66d44e311d686014ecf
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SHA1
4df6fc35a76fa2bb71ad182a77881e8868b1d00b
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SHA256
ec52c66f567af3f66c74f28a63cd2c315646a34095efc933de90151ed7df9684
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SHA512
79f9c98d0c1e20290e274d6702bc3d4c617102097562b26a0d4f6101463ff501b7218d188ba45ada9cd5c776070084510ef17f7e72185f31f66155690f3b9d78
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SSDEEP
24576:6Uu7IVSXJ7gIYeEPdoh8/D39jFSNq0/7xMjp8xs+XpVHPpm4m8dL:6sNeEhVCq67LsOpVvpmY1
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\pdf.vbs Rwlleacvff.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4940 1560 WerFault.exe 28 -
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Rwlleacvff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ipconfig.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 4784 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4852 powershell.exe 1560 Rwlleacvff.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1560 Rwlleacvff.exe Token: SeDebugPrivilege 4852 powershell.exe Token: SeDebugPrivilege 1560 Rwlleacvff.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1560 wrote to memory of 4760 1560 Rwlleacvff.exe 29 PID 1560 wrote to memory of 4760 1560 Rwlleacvff.exe 29 PID 1560 wrote to memory of 4760 1560 Rwlleacvff.exe 29 PID 1560 wrote to memory of 4760 1560 Rwlleacvff.exe 29 PID 4760 wrote to memory of 4784 4760 cmd.exe 31 PID 4760 wrote to memory of 4784 4760 cmd.exe 31 PID 4760 wrote to memory of 4784 4760 cmd.exe 31 PID 4760 wrote to memory of 4784 4760 cmd.exe 31 PID 1560 wrote to memory of 4852 1560 Rwlleacvff.exe 32 PID 1560 wrote to memory of 4852 1560 Rwlleacvff.exe 32 PID 1560 wrote to memory of 4852 1560 Rwlleacvff.exe 32 PID 1560 wrote to memory of 4852 1560 Rwlleacvff.exe 32 PID 1560 wrote to memory of 4940 1560 Rwlleacvff.exe 34 PID 1560 wrote to memory of 4940 1560 Rwlleacvff.exe 34 PID 1560 wrote to memory of 4940 1560 Rwlleacvff.exe 34 PID 1560 wrote to memory of 4940 1560 Rwlleacvff.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe"C:\Users\Admin\AppData\Local\Temp\Rwlleacvff.exe"1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1560 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
PID:4784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1560 -s 6602⤵
- Program crash
PID:4940
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