Analysis
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max time kernel
105s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
17-08-2024 01:19
Behavioral task
behavioral1
Sample
c92b96874801297b26cc527b3187ea10N.dll
Resource
win7-20240705-en
windows7-x64
16 signatures
120 seconds
General
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Target
c92b96874801297b26cc527b3187ea10N.dll
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Size
431KB
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MD5
c92b96874801297b26cc527b3187ea10
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SHA1
4fbbafc3a8f4cbc443eef2236f22ca9a12f6f826
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SHA256
1166cac6949c09a980f8adad357bbdb788661c6967e2d73949f8f06d0ceb40ab
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SHA512
482a6e0b4609d2a42366464a7d13d067deeac74bd2b86ce2921a9f173a0f8a460b3b495cc98385783e874294c25ffcd62e11669d948d71226094e4edbbc4d9ca
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9+:IXivg1VCpZOCqxkOH7TBo
Malware Config
Signatures
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Detect Blackmoon payload 3 IoCs
resource yara_rule behavioral1/memory/1632-1-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon behavioral1/memory/1632-3-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon behavioral1/memory/1632-7-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/2424-18-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2424-20-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2424-18-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2424-20-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 1632 created 432 1632 rundll32.exe 5 -
resource yara_rule behavioral1/memory/1632-1-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/1632-3-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2424-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2424-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2424-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2424-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2424-6-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1632-7-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2424-4-0x0000000000400000-0x0000000000543000-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) \??\S: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\R: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1632 set thread context of 2424 1632 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 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 svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe 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\Connections 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1632 rundll32.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe 2424 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1632 rundll32.exe Token: 33 2424 svchost.exe Token: SeIncBasePriorityPrivilege 2424 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1656 wrote to memory of 1632 1656 rundll32.exe 30 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 rundll32.exe 31 PID 1632 wrote to memory of 2424 1632 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:2424
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c92b96874801297b26cc527b3187ea10N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c92b96874801297b26cc527b3187ea10N.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:1632
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