Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 09:52
Behavioral task
behavioral1
Sample
b7f567c194bd8f1732502ed43eb6e06ae97cdad65778f7fb34ba1c74c26aedf2.dll
Resource
win7-20240903-en
windows7-x64
16 signatures
150 seconds
General
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Target
b7f567c194bd8f1732502ed43eb6e06ae97cdad65778f7fb34ba1c74c26aedf2.dll
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Size
431KB
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MD5
d37c84a801e443b067c8b7f41c072361
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SHA1
00829d8a58c40dfd05e817adf2fee57f7d468806
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SHA256
b7f567c194bd8f1732502ed43eb6e06ae97cdad65778f7fb34ba1c74c26aedf2
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SHA512
ac16ce66b86361fc6ce1a757a2229e42ef688f354684cf324401a908ce009c6cc00c9758c4a1cfd885d1716b2c0d8cd66dad28766c2d79a5925c7979baf3f1b7
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9y:IXivg1VCpZOCqxkOH7TBk
Malware Config
Signatures
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Detect Blackmoon payload 3 IoCs
resource yara_rule behavioral1/memory/2324-0-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon behavioral1/memory/2324-6-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon behavioral1/memory/2324-7-0x0000000010000000-0x0000000010088000-memory.dmp family_blackmoon -
resource yara_rule behavioral1/memory/2480-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2480-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2480-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2480-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2324 created 424 2324 rundll32.exe 5 -
resource yara_rule behavioral1/memory/2324-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2324-6-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2480-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2324-7-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral1/memory/2480-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2480-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2480-15-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2480-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2480-17-0x0000000000400000-0x0000000000543000-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) \??\J: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\E: 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) \??\O: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\I: 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) \??\U: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\S: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2324 set thread context of 2480 2324 rundll32.exe 32 -
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\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 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 Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" svchost.exe 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum svchost.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2324 rundll32.exe 2324 rundll32.exe 2324 rundll32.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe 2480 svchost.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2324 rundll32.exe Token: 33 2480 svchost.exe Token: SeIncBasePriorityPrivilege 2480 svchost.exe Token: 33 2480 svchost.exe Token: SeIncBasePriorityPrivilege 2480 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2464 wrote to memory of 2324 2464 rundll32.exe 31 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32 PID 2324 wrote to memory of 2480 2324 rundll32.exe 32
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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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:2480
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7f567c194bd8f1732502ed43eb6e06ae97cdad65778f7fb34ba1c74c26aedf2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b7f567c194bd8f1732502ed43eb6e06ae97cdad65778f7fb34ba1c74c26aedf2.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:2324
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