Analysis
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max time kernel
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max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-08-2024 14:05
Behavioral task
behavioral1
Sample
19e4e3709e119a2fbc133ed33d5ca870N.dll
Resource
win7-20240705-en
windows7-x64
16 signatures
120 seconds
General
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Target
19e4e3709e119a2fbc133ed33d5ca870N.dll
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Size
431KB
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MD5
19e4e3709e119a2fbc133ed33d5ca870
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SHA1
bc1da98274e84d5dbf43b0679d2d78e7e2f6e793
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SHA256
866357e962c7516d795535877166011be9cd8e5ff16fba354b7f9cdf44c2cc9a
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SHA512
5883ae539d134c8d606f11f40af13cce6ee8fdfee6346867cd2ffa8678217d9ea14416ef737ec82230cb35bdbcfc701211f59b7c8a6e9693aeed93c950e21162
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SSDEEP
12288:IXi0ig1VCpPgYO+TqxeqFcOH72olHki9r:IXivg1VCpZOCqxkOH7TB9
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4668-13-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4668-14-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral2/memory/4668-29-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral2/memory/4668-13-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4668-14-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral2/memory/4668-29-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 3248 created 616 3248 rundll32.exe 5 PID 3248 created 616 3248 rundll32.exe 5 -
resource yara_rule behavioral2/memory/3248-0-0x0000000010000000-0x0000000010088000-memory.dmp upx behavioral2/memory/4668-1-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-3-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-9-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-7-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-2-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral2/memory/4668-29-0x0000000000400000-0x0000000000543000-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) \??\V: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\B: svchost.exe 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) \??\U: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\Y: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3248 set thread context of 4668 3248 rundll32.exe 86 -
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 5 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\ActiveMovie\devenum 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3248 rundll32.exe 3248 rundll32.exe 3248 rundll32.exe 3248 rundll32.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe 4668 svchost.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 3248 rundll32.exe Token: SeDebugPrivilege 3248 rundll32.exe Token: 33 4668 svchost.exe Token: SeIncBasePriorityPrivilege 4668 svchost.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 3880 wrote to memory of 3248 3880 rundll32.exe 84 PID 3880 wrote to memory of 3248 3880 rundll32.exe 84 PID 3880 wrote to memory of 3248 3880 rundll32.exe 84 PID 3248 wrote to memory of 3932 3248 rundll32.exe 85 PID 3248 wrote to memory of 3932 3248 rundll32.exe 85 PID 3248 wrote to memory of 3932 3248 rundll32.exe 85 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86 PID 3248 wrote to memory of 4668 3248 rundll32.exe 86
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:616
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:3932
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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:4668
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19e4e3709e119a2fbc133ed33d5ca870N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19e4e3709e119a2fbc133ed33d5ca870N.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:3248
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