Analysis
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max time kernel
117s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
06/12/2024, 19:25
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
281e8e54be61d34868e3603d60c92a1600b1d24f9ccee2ee8c7e33548433a4c9N.dll
Resource
win7-20240708-en
windows7-x64
17 signatures
120 seconds
General
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Target
281e8e54be61d34868e3603d60c92a1600b1d24f9ccee2ee8c7e33548433a4c9N.dll
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Size
120KB
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MD5
61f2677dd7545e11c3f88a10f0964f40
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SHA1
55aeecc19a33ae7270c4cca9c6b6d0df60001c5a
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SHA256
281e8e54be61d34868e3603d60c92a1600b1d24f9ccee2ee8c7e33548433a4c9
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SHA512
4c2c12091656a6f046fa8fbe8fb31f566cce92ba7ca36661ee4aed886539b07c02625604f0bb90727f9a7b84d5c6ee8511c818542b6c63d31f9c91a3cb3ddb5b
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SSDEEP
3072:BfgyUuoeZSWns25wctvaUJOdpB/7U/5P9w0kTKC:BfgCopctvaUJIz/Y
Malware Config
Extracted
Family
sality
C2
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
Signatures
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Modifies firewall policy service 3 TTPs 6 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76b683.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76b683.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b683.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b683.exe -
Executes dropped EXE 3 IoCs
pid Process 2100 f76b4ce.exe 2944 f76b683.exe 2604 f76d0f5.exe -
Loads dropped DLL 6 IoCs
pid Process 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe 2504 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b4ce.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76b683.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76b683.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b4ce.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b683.exe -
Enumerates connected drives 3 TTPs 15 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: f76b4ce.exe File opened (read-only) \??\G: f76b4ce.exe File opened (read-only) \??\H: f76b4ce.exe File opened (read-only) \??\J: f76b4ce.exe File opened (read-only) \??\Q: f76b4ce.exe File opened (read-only) \??\I: f76b4ce.exe File opened (read-only) \??\K: f76b4ce.exe File opened (read-only) \??\L: f76b4ce.exe File opened (read-only) \??\M: f76b4ce.exe File opened (read-only) \??\S: f76b4ce.exe File opened (read-only) \??\N: f76b4ce.exe File opened (read-only) \??\R: f76b4ce.exe File opened (read-only) \??\T: f76b4ce.exe File opened (read-only) \??\O: f76b4ce.exe File opened (read-only) \??\P: f76b4ce.exe -
resource yara_rule behavioral1/memory/2100-12-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-17-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-20-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-21-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-19-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-18-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-16-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-15-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-14-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-22-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-63-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-62-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-64-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-65-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-66-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-68-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-69-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-83-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-84-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-86-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-87-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-106-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2100-154-0x0000000000980000-0x0000000001A3A000-memory.dmp upx behavioral1/memory/2944-158-0x0000000000910000-0x00000000019CA000-memory.dmp upx behavioral1/memory/2944-192-0x0000000000910000-0x00000000019CA000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f76b52c f76b4ce.exe File opened for modification C:\Windows\SYSTEM.INI f76b4ce.exe File created C:\Windows\f77054e f76b683.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 f76b4ce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f76b683.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2100 f76b4ce.exe 2100 f76b4ce.exe 2944 f76b683.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2100 f76b4ce.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe Token: SeDebugPrivilege 2944 f76b683.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2480 wrote to memory of 2504 2480 rundll32.exe 30 PID 2504 wrote to memory of 2100 2504 rundll32.exe 31 PID 2504 wrote to memory of 2100 2504 rundll32.exe 31 PID 2504 wrote to memory of 2100 2504 rundll32.exe 31 PID 2504 wrote to memory of 2100 2504 rundll32.exe 31 PID 2100 wrote to memory of 1112 2100 f76b4ce.exe 19 PID 2100 wrote to memory of 1168 2100 f76b4ce.exe 20 PID 2100 wrote to memory of 1212 2100 f76b4ce.exe 21 PID 2100 wrote to memory of 1684 2100 f76b4ce.exe 23 PID 2100 wrote to memory of 2480 2100 f76b4ce.exe 29 PID 2100 wrote to memory of 2504 2100 f76b4ce.exe 30 PID 2100 wrote to memory of 2504 2100 f76b4ce.exe 30 PID 2504 wrote to memory of 2944 2504 rundll32.exe 32 PID 2504 wrote to memory of 2944 2504 rundll32.exe 32 PID 2504 wrote to memory of 2944 2504 rundll32.exe 32 PID 2504 wrote to memory of 2944 2504 rundll32.exe 32 PID 2504 wrote to memory of 2604 2504 rundll32.exe 33 PID 2504 wrote to memory of 2604 2504 rundll32.exe 33 PID 2504 wrote to memory of 2604 2504 rundll32.exe 33 PID 2504 wrote to memory of 2604 2504 rundll32.exe 33 PID 2100 wrote to memory of 1112 2100 f76b4ce.exe 19 PID 2100 wrote to memory of 1168 2100 f76b4ce.exe 20 PID 2100 wrote to memory of 1212 2100 f76b4ce.exe 21 PID 2100 wrote to memory of 1684 2100 f76b4ce.exe 23 PID 2100 wrote to memory of 2944 2100 f76b4ce.exe 32 PID 2100 wrote to memory of 2944 2100 f76b4ce.exe 32 PID 2100 wrote to memory of 2604 2100 f76b4ce.exe 33 PID 2100 wrote to memory of 2604 2100 f76b4ce.exe 33 PID 2944 wrote to memory of 1112 2944 f76b683.exe 19 PID 2944 wrote to memory of 1168 2944 f76b683.exe 20 PID 2944 wrote to memory of 1212 2944 f76b683.exe 21 PID 2944 wrote to memory of 1684 2944 f76b683.exe 23 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b683.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76b4ce.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1112
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1168
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1212
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\281e8e54be61d34868e3603d60c92a1600b1d24f9ccee2ee8c7e33548433a4c9N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\281e8e54be61d34868e3603d60c92a1600b1d24f9ccee2ee8c7e33548433a4c9N.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Local\Temp\f76b4ce.exeC:\Users\Admin\AppData\Local\Temp\f76b4ce.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2100
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C:\Users\Admin\AppData\Local\Temp\f76b683.exeC:\Users\Admin\AppData\Local\Temp\f76b683.exe4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2944
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C:\Users\Admin\AppData\Local\Temp\f76d0f5.exeC:\Users\Admin\AppData\Local\Temp\f76d0f5.exe4⤵
- Executes dropped EXE
PID:2604
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1684
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
5Replay Monitor
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Downloads
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Filesize
256B
MD5e688c69546428f49466ab1abf0f9898b
SHA10173bccb81f6475a87b67dd1a2de3f93ef15e769
SHA2560277684993a9202d8c7a2f94337a2dd9d5623fbfc91ac19202264bac6615e130
SHA512342d185180b2aeeebff1654963f754fbaff95366062b08efe4279590a19cf9b68194fcd920147d91fd1d17c577925da07f305b1cb7e8ccec422b1e719502d22d
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Filesize
97KB
MD57851fae265588f547dda3a074d860c26
SHA18dbc201fbe6a98df2b4f1447c0f081c84d8cf5b4
SHA256092237213f88f6b35ae051def1abdefea45a40c18687df2e30ed64c37f9bbf83
SHA512e6a437dc662cf2c248f89678a217e3757c1dadae401599e0717e82f7419a8355d4a59e338b5fc051286259cda71a6cab3040c6d8f36c85f74741743983a135e7