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Analysis
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max time kernel
120s -
max time network
89s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 05:29
Behavioral task
behavioral1
Sample
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
120 seconds
General
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Target
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll
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Size
437KB
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MD5
1c9ea3c5b5f04beadca7c29f84eb1930
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SHA1
0f6f2ff18d13894f42bb4fac43a07c8e4595a99f
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SHA256
4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2
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SHA512
7acf4c620535490a095c73d19c5459754b3e2c817e265e0ede1fba3db124972bea9e3d0470aeed431352b027d7310c936196cc50ccc9f41cd8d774028f2b4228
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wc:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSG
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2452-19-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/2452-21-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2452-19-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/2452-21-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 744 created 420 744 rundll32.exe 5 -
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) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\M: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 744 set thread context of 2452 744 rundll32.exe 31 -
resource yara_rule behavioral1/memory/744-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/744-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/744-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2452-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2452-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2452-16-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2452-10-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2452-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2452-6-0x0000000000400000-0x0000000000543000-memory.dmp upx -
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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.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\Connections 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 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 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\Microsoft svchost.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 744 rundll32.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe 2452 svchost.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 744 rundll32.exe Token: 33 2452 svchost.exe Token: SeIncBasePriorityPrivilege 2452 svchost.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 1952 wrote to memory of 744 1952 rundll32.exe 30 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 rundll32.exe 31 PID 744 wrote to memory of 2452 744 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:2452
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4671eb6846247753f89feeec33512129313c942a0fb44d0b03d18b32d19869e2N.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:744
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