Analysis
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max time kernel
120s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22-08-2024 08:21
Behavioral task
behavioral1
Sample
bdd9a393094a9ee6c8f69ff8fbdc8700N.dll
Resource
win7-20240708-en
windows7-x64
16 signatures
120 seconds
General
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Target
bdd9a393094a9ee6c8f69ff8fbdc8700N.dll
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Size
431KB
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MD5
bdd9a393094a9ee6c8f69ff8fbdc8700
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SHA1
442a89a7f713ceff4596f2559fd499dee19c3228
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SHA256
0384fa19d2d9ba9fb465790efff98a284161428a513b85739e4a4a8b586f889d
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SHA512
71a65c0f7433050abda372e1c1677b906dd915d02719a61dba72f4d2027cc01ea37cbdea31128a07030cfee4c042908e9800b25f1c227a0981c0b9722abe5937
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9e:IXivg1VCpZOCqxkOH7TBI
Malware Config
Signatures
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral1/memory/2404-1-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/320-17-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/320-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/320-17-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/320-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2404 created 432 2404 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2404-1-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/320-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-14-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-13-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/320-15-0x0000000000400000-0x0000000000543000-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) \??\H: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: 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) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Y: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2404 set thread context of 320 2404 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 svchost.exe -
Modifies data under HKEY_USERS 12 IoCs
description ioc Process 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 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\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 Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe 320 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2404 rundll32.exe Token: 33 320 svchost.exe Token: SeIncBasePriorityPrivilege 320 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2384 wrote to memory of 2404 2384 rundll32.exe 30 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 rundll32.exe 31 PID 2404 wrote to memory of 320 2404 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:320
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bdd9a393094a9ee6c8f69ff8fbdc8700N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\bdd9a393094a9ee6c8f69ff8fbdc8700N.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:2404
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