Analysis
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max time kernel
27s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
16/07/2024, 03:09
Static task
static1
Behavioral task
behavioral1
Sample
5a5b2e47611a4b1fe6ad2a3205930f00N.dll
Resource
win7-20240704-en
General
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Target
5a5b2e47611a4b1fe6ad2a3205930f00N.dll
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Size
120KB
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MD5
5a5b2e47611a4b1fe6ad2a3205930f00
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SHA1
115f6ab117b9c378dea27499846fdcb2b4dda784
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SHA256
47278e183bd2265bd2fc126b254195fbbce7d50136d32238bdc76cc3ebde5c70
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SHA512
4d6e8d26bd148b29c57ff05aefd06a3ec04539dd63627b6ec0f8076ca351657335ce2f959e77212804a30a102f90913b4de3c306fe7ea01c2b860f54a1c5a572
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SSDEEP
3072:rCICBM7b39lkwoeoltyEAG4whuXhAan1515lz8hx+O7D:rAM75lura9O12blz+x+m
Malware Config
Extracted
sality
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\EnableFirewall = "0" f778d23.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f778d23.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f779000.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f779000.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f779000.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f778d23.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f779000.exe -
Executes dropped EXE 3 IoCs
pid Process 3036 f778d23.exe 2444 f779000.exe 2536 f77a7b4.exe -
Loads dropped DLL 6 IoCs
pid Process 2156 rundll32.exe 2156 rundll32.exe 2156 rundll32.exe 2156 rundll32.exe 2156 rundll32.exe 2156 rundll32.exe -
resource yara_rule behavioral1/memory/3036-24-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-18-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-16-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-22-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-19-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-21-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-17-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-20-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-15-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-23-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-63-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-62-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-64-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-65-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-66-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-68-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-72-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-84-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-85-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-87-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-108-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/3036-151-0x0000000000700000-0x00000000017BA000-memory.dmp upx behavioral1/memory/2444-170-0x0000000000940000-0x00000000019FA000-memory.dmp upx behavioral1/memory/2444-176-0x0000000000940000-0x00000000019FA000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f779000.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f779000.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f779000.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f779000.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f779000.exe -
Enumerates connected drives 3 TTPs 14 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\I: f778d23.exe File opened (read-only) \??\P: f778d23.exe File opened (read-only) \??\R: f778d23.exe File opened (read-only) \??\N: f778d23.exe File opened (read-only) \??\G: f778d23.exe File opened (read-only) \??\H: f778d23.exe File opened (read-only) \??\J: f778d23.exe File opened (read-only) \??\Q: f778d23.exe File opened (read-only) \??\E: f778d23.exe File opened (read-only) \??\K: f778d23.exe File opened (read-only) \??\L: f778d23.exe File opened (read-only) \??\M: f778d23.exe File opened (read-only) \??\O: f778d23.exe File opened (read-only) \??\S: f778d23.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f778dce f778d23.exe File opened for modification C:\Windows\SYSTEM.INI f778d23.exe File created C:\Windows\f77de4e f779000.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3036 f778d23.exe 3036 f778d23.exe -
Suspicious use of AdjustPrivilegeToken 23 IoCs
description pid Process Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe Token: SeDebugPrivilege 3036 f778d23.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 1292 wrote to memory of 2156 1292 rundll32.exe 30 PID 2156 wrote to memory of 3036 2156 rundll32.exe 31 PID 2156 wrote to memory of 3036 2156 rundll32.exe 31 PID 2156 wrote to memory of 3036 2156 rundll32.exe 31 PID 2156 wrote to memory of 3036 2156 rundll32.exe 31 PID 3036 wrote to memory of 1088 3036 f778d23.exe 19 PID 3036 wrote to memory of 1144 3036 f778d23.exe 20 PID 3036 wrote to memory of 1184 3036 f778d23.exe 21 PID 3036 wrote to memory of 1544 3036 f778d23.exe 25 PID 3036 wrote to memory of 1292 3036 f778d23.exe 29 PID 3036 wrote to memory of 2156 3036 f778d23.exe 30 PID 3036 wrote to memory of 2156 3036 f778d23.exe 30 PID 2156 wrote to memory of 2444 2156 rundll32.exe 32 PID 2156 wrote to memory of 2444 2156 rundll32.exe 32 PID 2156 wrote to memory of 2444 2156 rundll32.exe 32 PID 2156 wrote to memory of 2444 2156 rundll32.exe 32 PID 2156 wrote to memory of 2536 2156 rundll32.exe 33 PID 2156 wrote to memory of 2536 2156 rundll32.exe 33 PID 2156 wrote to memory of 2536 2156 rundll32.exe 33 PID 2156 wrote to memory of 2536 2156 rundll32.exe 33 PID 3036 wrote to memory of 1088 3036 f778d23.exe 19 PID 3036 wrote to memory of 1144 3036 f778d23.exe 20 PID 3036 wrote to memory of 1184 3036 f778d23.exe 21 PID 3036 wrote to memory of 1544 3036 f778d23.exe 25 PID 3036 wrote to memory of 2444 3036 f778d23.exe 32 PID 3036 wrote to memory of 2444 3036 f778d23.exe 32 PID 3036 wrote to memory of 2536 3036 f778d23.exe 33 PID 3036 wrote to memory of 2536 3036 f778d23.exe 33 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f778d23.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f779000.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1088
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1144
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1184
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5b2e47611a4b1fe6ad2a3205930f00N.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1292 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5b2e47611a4b1fe6ad2a3205930f00N.dll,#13⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\f778d23.exeC:\Users\Admin\AppData\Local\Temp\f778d23.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3036
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C:\Users\Admin\AppData\Local\Temp\f779000.exeC:\Users\Admin\AppData\Local\Temp\f779000.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 policy modification
PID:2444
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C:\Users\Admin\AppData\Local\Temp\f77a7b4.exeC:\Users\Admin\AppData\Local\Temp\f77a7b4.exe4⤵
- Executes dropped EXE
PID:2536
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1544
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
257B
MD54987747285904b423045a77f333952eb
SHA1be0b97969961e397e306bb1262c4a9b543e92a5f
SHA2566fc63dd68740ae9a24cb3376ffc0b6555f701f6e8f0bb9269f627b3f93eeb641
SHA51249871393ebe80f6db72ec0103233e4ff3bf6476c112285e578fca38500866171a0875277eed6067242d76e9330fe1d27fce27dfe65bfc603e5bb3ceeaaecca39
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Filesize
97KB
MD54b6a24d12e436b9a3d60e36cb291c813
SHA15bd71eab64a4f02a89c8956efe48c6ff5a30ea73
SHA25676373a94c8af3a4f7b49017643f5d8b811a00385c0df53c45899ecb233b2fd24
SHA5128568a54b06b1b069c435fa20423c2a9fb5d9bbc0deb87a568860322e9c5619c1bfc5c30ed438e7fbe29841ded132f2803ac9fe4be4807fab47f93109fe42dd31