Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 16:29
Behavioral task
behavioral1
Sample
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll
Resource
win7-20240708-en
windows7-x64
16 signatures
150 seconds
General
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Target
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll
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Size
431KB
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MD5
c2545a3ac05d73eb9b8fe79a2693cdd4
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SHA1
7d03104d0112006d94578b35e4c323632ad3ff67
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SHA256
3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403
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SHA512
d208e06258942e9571d8730f249e878ab05ed7641207d9e69a16b3929157a9214fdf4fea1765701027bec95e54c951f6d6a8503794571e8481ea1d48086c09d5
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki91:IXivg1VCpZOCqxkOH7TBj
Malware Config
Signatures
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Detect Blackmoon payload 1 IoCs
resource yara_rule behavioral1/memory/2340-0-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/2128-17-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2128-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2128-17-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2128-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2340 created 420 2340 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2340-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2128-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2128-14-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2128-13-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2128-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2128-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2128-3-0x0000000000400000-0x0000000000543000-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) \??\N: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2340 set thread context of 2128 2340 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 (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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum 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 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\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 Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe 2128 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2340 rundll32.exe Token: 33 2128 svchost.exe Token: SeIncBasePriorityPrivilege 2128 svchost.exe Token: 33 2128 svchost.exe Token: SeIncBasePriorityPrivilege 2128 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2168 wrote to memory of 2340 2168 rundll32.exe 30 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31 PID 2340 wrote to memory of 2128 2340 rundll32.exe 31
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:420
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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:2128
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\3641ef075a9694cfc4158224e5bfd7eda3202766c93a682bc6a4e559e3a3f403.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:2340
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