Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 02:49
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll
Resource
win7-20240903-en
windows7-x64
17 signatures
120 seconds
General
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Target
27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll
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Size
120KB
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MD5
c83a51c2cb9cc050b1d3694d3a2772f0
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SHA1
83b307efa30cee1bebd7087e76dd6f6b1fc12257
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SHA256
27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507fa
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SHA512
3bb4c90a7b73e88198915034c4236c3d73a33fd4516311d8d9c2078d1de0bd91a2ca757f9ead3c947688bea16f96f9d317650ffba6b3f5f1a52fe24cb9f2fa4a
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SSDEEP
1536:DpT6/31Z6NhGIAluABAzi3IeiscHtQe6gOPaiisMElqPkYOMKAXx:sP1k7GIALAziIDNQe6libPsY
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\EnableFirewall = "0" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" f76cf60.exe -
Sality family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76eafb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76eafb.exe -
Executes dropped EXE 3 IoCs
pid Process 3028 f76cf60.exe 2956 f76d105.exe 2604 f76eafb.exe -
Loads dropped DLL 6 IoCs
pid Process 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76cf60.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" f76eafb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" f76eafb.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc f76eafb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76eafb.exe -
Enumerates connected drives 3 TTPs 17 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Q: f76cf60.exe File opened (read-only) \??\R: f76cf60.exe File opened (read-only) \??\G: f76eafb.exe File opened (read-only) \??\H: f76cf60.exe File opened (read-only) \??\I: f76cf60.exe File opened (read-only) \??\K: f76cf60.exe File opened (read-only) \??\L: f76cf60.exe File opened (read-only) \??\T: f76cf60.exe File opened (read-only) \??\E: f76cf60.exe File opened (read-only) \??\G: f76cf60.exe File opened (read-only) \??\S: f76cf60.exe File opened (read-only) \??\J: f76cf60.exe File opened (read-only) \??\M: f76cf60.exe File opened (read-only) \??\P: f76cf60.exe File opened (read-only) \??\E: f76eafb.exe File opened (read-only) \??\N: f76cf60.exe File opened (read-only) \??\O: f76cf60.exe -
resource yara_rule behavioral1/memory/3028-20-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-14-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-15-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-17-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-18-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-21-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-13-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-19-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-16-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-22-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-60-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-61-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-62-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-63-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-64-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-66-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-67-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-82-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-84-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-87-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-107-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-108-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/3028-154-0x00000000005F0000-0x00000000016AA000-memory.dmp upx behavioral1/memory/2604-167-0x00000000009C0000-0x0000000001A7A000-memory.dmp upx behavioral1/memory/2604-208-0x00000000009C0000-0x0000000001A7A000-memory.dmp upx -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\f76cfdd f76cf60.exe File opened for modification C:\Windows\SYSTEM.INI f76cf60.exe File created C:\Windows\f771fef f76eafb.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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f76cf60.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f76eafb.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3028 f76cf60.exe 3028 f76cf60.exe 2604 f76eafb.exe -
Suspicious use of AdjustPrivilegeToken 46 IoCs
description pid Process Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 3028 f76cf60.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe Token: SeDebugPrivilege 2604 f76eafb.exe -
Suspicious use of WriteProcessMemory 38 IoCs
description pid Process procid_target PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2336 wrote to memory of 2172 2336 rundll32.exe 31 PID 2172 wrote to memory of 3028 2172 rundll32.exe 32 PID 2172 wrote to memory of 3028 2172 rundll32.exe 32 PID 2172 wrote to memory of 3028 2172 rundll32.exe 32 PID 2172 wrote to memory of 3028 2172 rundll32.exe 32 PID 3028 wrote to memory of 1108 3028 f76cf60.exe 19 PID 3028 wrote to memory of 1172 3028 f76cf60.exe 20 PID 3028 wrote to memory of 1196 3028 f76cf60.exe 21 PID 3028 wrote to memory of 1636 3028 f76cf60.exe 25 PID 3028 wrote to memory of 2336 3028 f76cf60.exe 30 PID 3028 wrote to memory of 2172 3028 f76cf60.exe 31 PID 3028 wrote to memory of 2172 3028 f76cf60.exe 31 PID 2172 wrote to memory of 2956 2172 rundll32.exe 33 PID 2172 wrote to memory of 2956 2172 rundll32.exe 33 PID 2172 wrote to memory of 2956 2172 rundll32.exe 33 PID 2172 wrote to memory of 2956 2172 rundll32.exe 33 PID 2172 wrote to memory of 2604 2172 rundll32.exe 34 PID 2172 wrote to memory of 2604 2172 rundll32.exe 34 PID 2172 wrote to memory of 2604 2172 rundll32.exe 34 PID 2172 wrote to memory of 2604 2172 rundll32.exe 34 PID 3028 wrote to memory of 1108 3028 f76cf60.exe 19 PID 3028 wrote to memory of 1172 3028 f76cf60.exe 20 PID 3028 wrote to memory of 1196 3028 f76cf60.exe 21 PID 3028 wrote to memory of 1636 3028 f76cf60.exe 25 PID 3028 wrote to memory of 2956 3028 f76cf60.exe 33 PID 3028 wrote to memory of 2956 3028 f76cf60.exe 33 PID 3028 wrote to memory of 2604 3028 f76cf60.exe 34 PID 3028 wrote to memory of 2604 3028 f76cf60.exe 34 PID 2604 wrote to memory of 1108 2604 f76eafb.exe 19 PID 2604 wrote to memory of 1172 2604 f76eafb.exe 20 PID 2604 wrote to memory of 1196 2604 f76eafb.exe 21 PID 2604 wrote to memory of 1636 2604 f76eafb.exe 25 -
System policy modification 1 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76cf60.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" f76eafb.exe
Processes
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C:\Windows\system32\taskhost.exe"taskhost.exe"1⤵PID:1108
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1172
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1196
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\27423b5455cd2e0b88fb9151e55ba3a34c506fced92c8f9226615b7fce4507faN.dll,#13⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Local\Temp\f76cf60.exeC:\Users\Admin\AppData\Local\Temp\f76cf60.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:3028
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C:\Users\Admin\AppData\Local\Temp\f76d105.exeC:\Users\Admin\AppData\Local\Temp\f76d105.exe4⤵
- Executes dropped EXE
PID:2956
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C:\Users\Admin\AppData\Local\Temp\f76eafb.exeC:\Users\Admin\AppData\Local\Temp\f76eafb.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:2604
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:1636
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
Loading Replay Monitor...
Downloads
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Filesize
97KB
MD55737b84b2733c71ecd940b26c12dcda2
SHA163c3e2000ad6b8f5ae8a907ea96ec236cad99109
SHA256c5cdef5e77543049882ea5b2d16a6310b61aa5d8fdccc24ec27a1e2199c2f9cc
SHA51228189d113cd5f4e4647c0587650f5af437e3f8f1e19d90187ac97ec300e3a4bddaef9361a657686abb047320c10dc6d257b7727c063cef15a3b555f3243092c2
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Filesize
257B
MD545df6f3001ec5a6985e71bcfbca19a6b
SHA1b8f4587eee57dd04357f315238ec7619f0c0a324
SHA256dfcaa04f53aa1f6eec3cbccaa115570f365676c11e6852cdcdfc3c676915896f
SHA512e7d57d65c0027a95792f44c3fbde3d33292f107e13111bbea4770246bf3a9f07d92126770cd4b7b5e449d26bc2d9028febb7fb8d49058be3156c7a063608885a