Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 20:55
Behavioral task
behavioral1
Sample
b5415377e1dde79cab735bc1b6f67dba514c24355563dcd7c95357cb3b2fff80.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
b5415377e1dde79cab735bc1b6f67dba514c24355563dcd7c95357cb3b2fff80.dll
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Size
432KB
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MD5
91ef0887d053aca8b5628795eeeb54fa
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SHA1
59891b82e8ca3f2218dd9b4a6308396471a593dc
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SHA256
b5415377e1dde79cab735bc1b6f67dba514c24355563dcd7c95357cb3b2fff80
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SHA512
74f202f25fb7ee0347eb2dd226ca4dae05d000fa43b7f8a7d83dcddd243553756aa87493efd929c689f77825e4c2fe3e0bf852ba85f0b86b77ec48b3f8c892b0
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SSDEEP
12288:kov9YJjrV+pJR6cuXFqaYCL9yKASIAcl3hkWWlyvQl:B+JHVyR6xXky0KASbcdh6yvQl
Malware Config
Signatures
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Detect Blackmoon payload 2 IoCs
resource yara_rule behavioral1/memory/2008-8-0x0000000010000000-0x0000000010089000-memory.dmp family_blackmoon behavioral1/memory/2008-2-0x0000000010000000-0x0000000010089000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/2416-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2416-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2416-36-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/2416-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2416-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2416-36-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2008 created 432 2008 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2008-0-0x0000000010000000-0x0000000010089000-memory.dmp upx behavioral1/memory/2416-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2416-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2416-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2416-14-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2008-8-0x0000000010000000-0x0000000010089000-memory.dmp upx behavioral1/memory/2416-6-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2416-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2008-2-0x0000000010000000-0x0000000010089000-memory.dmp upx behavioral1/memory/2416-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2416-36-0x0000000000400000-0x0000000000543000-memory.dmp upx -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\P: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2008 set thread context of 2416 2008 rundll32.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe -
Modifies data under HKEY_USERS 12 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2008 rundll32.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe 2416 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2008 rundll32.exe Token: 33 2416 svchost.exe Token: SeIncBasePriorityPrivilege 2416 svchost.exe Token: 33 2416 svchost.exe Token: SeIncBasePriorityPrivilege 2416 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2016 wrote to memory of 2008 2016 rundll32.exe 30 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31 PID 2008 wrote to memory of 2416 2008 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5415377e1dde79cab735bc1b6f67dba514c24355563dcd7c95357cb3b2fff80.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b5415377e1dde79cab735bc1b6f67dba514c24355563dcd7c95357cb3b2fff80.dll,#12⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008
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