Analysis
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max time kernel
150s -
max time network
97s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
19-08-2024 14:04
Behavioral task
behavioral1
Sample
0675ae93fa011692f9c20b66b3b59fe0N.dll
Resource
win7-20240704-en
windows7-x64
14 signatures
150 seconds
General
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Target
0675ae93fa011692f9c20b66b3b59fe0N.dll
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Size
437KB
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MD5
0675ae93fa011692f9c20b66b3b59fe0
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SHA1
15890b83ae9e11e1426f8370c8d314f73ddaffb5
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SHA256
a1e6e5551d68e92f3d3a45b1ec72981103a7548464d9875eda1f08f411cf9031
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SHA512
1c0ba2fef056bff1f9e0eb376095c4f5cdaa4a4a1ecc00e23b3e4c39788b73273e8fe763665c09bdd66ff025df2451130fac900b2926c4c1f15e413267352c65
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SSDEEP
6144:bas0ZLc/IJvCklIqA8mvHwgnHJp9OWqw7zsK0bencTpX4KtjY5Jt/lt0zwzOu6Wo:gBFJqk2q1g5ppemr0bAKoNfnQCSWpoSy
Malware Config
Signatures
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resource yara_rule behavioral1/memory/1748-25-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/1748-22-0x0000000010000000-0x00000000101A0000-memory.dmp purplefox_rootkit behavioral1/memory/1748-39-0x0000000000400000-0x0000000000543000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 3 IoCs
resource yara_rule behavioral1/memory/1748-25-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/1748-22-0x0000000010000000-0x00000000101A0000-memory.dmp family_gh0strat behavioral1/memory/1748-39-0x0000000000400000-0x0000000000543000-memory.dmp family_gh0strat -
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
description pid Process procid_target PID 2608 created 420 2608 rundll32.exe 5 PID 2608 created 420 2608 rundll32.exe 5 -
resource yara_rule behavioral1/memory/1748-19-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-18-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-17-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-11-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-8-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-21-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/1748-5-0x0000000000400000-0x0000000000543000-memory.dmp upx behavioral1/memory/2608-3-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2608-2-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/2608-1-0x0000000010000000-0x00000000100A6000-memory.dmp upx behavioral1/memory/1748-39-0x0000000000400000-0x0000000000543000-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) \??\W: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\M: 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) \??\H: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: 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) \??\G: svchost.exe File opened (read-only) \??\N: svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2608 set thread context of 1748 2608 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 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 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\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\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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2608 rundll32.exe 2608 rundll32.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe 1748 svchost.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2608 rundll32.exe Token: SeDebugPrivilege 2608 rundll32.exe Token: 33 1748 svchost.exe Token: SeIncBasePriorityPrivilege 1748 svchost.exe Token: 33 1748 svchost.exe Token: SeIncBasePriorityPrivilege 1748 svchost.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 1052 wrote to memory of 2608 1052 rundll32.exe 30 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 1748 2608 rundll32.exe 31 PID 2608 wrote to memory of 2940 2608 rundll32.exe 32 PID 2608 wrote to memory of 2940 2608 rundll32.exe 32 PID 2608 wrote to memory of 2940 2608 rundll32.exe 32 PID 2608 wrote to memory of 2940 2608 rundll32.exe 32
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:1748
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted2⤵PID:2940
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0675ae93fa011692f9c20b66b3b59fe0N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0675ae93fa011692f9c20b66b3b59fe0N.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:2608
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