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Analysis
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max time kernel
147s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05/12/2024, 12:15
Behavioral task
behavioral1
Sample
c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
Resource
win7-20240708-en
General
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Target
c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe
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Size
203KB
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MD5
2b25a25533263e914b40e9438348936a
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SHA1
b9b40f955274aed3658dc3301da40bfec1a6508d
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SHA256
c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf
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SHA512
3d2e5d5e1cb1c8f7948f9dffe3da2cdffdd1ad185757c7a447ad7f20526c8fee732f64fdfd3066505a1e863792d8d54a8574400a11825cc1569c997046a8ca44
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SSDEEP
6144:MLV6Bta6dtJmakIM5x6V2qhLyNPYTbEjH:MLV6BtpmkKM2uL4YTS
Malware Config
Signatures
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Nanocore family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAN Service = "C:\\Program Files (x86)\\LAN Service\\lansv.exe" c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\LAN Service\lansv.exe c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe File opened for modification C:\Program Files (x86)\LAN Service\lansv.exe c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3580 schtasks.exe 1808 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe Token: SeDebugPrivilege 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4332 wrote to memory of 3580 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 82 PID 4332 wrote to memory of 3580 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 82 PID 4332 wrote to memory of 3580 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 82 PID 4332 wrote to memory of 1808 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 84 PID 4332 wrote to memory of 1808 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 84 PID 4332 wrote to memory of 1808 4332 c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe"C:\Users\Admin\AppData\Local\Temp\c1c2dca754085aff5214da6e196b7973da114eabc1632d077a505504d950acaf.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCC68.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3580
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "LAN Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCCC7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1808
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
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Filesize
1KB
MD599f05727d36cda5ef9f328ff90aa34c0
SHA1a0dba9e90e64b12b9445a37cda0432250f9fa32f
SHA256816782515ce1bf42051eda2a0ef91e079da046b9ae5ff91fc4b4eb1926253ed8
SHA51227e5347d6adb9a522eee750dace5a4896cbe87095dddaa98fdb651cb982fa86585af937419fd261840b26caf35cc39e87f0bbfb050afb05fb1a5e5a747480066
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Filesize
1KB
MD56b30dba7972c92c9a1b881e88c108b15
SHA1f76207985cc5a1f70edb2fb5bd45678f195a4564
SHA256578f5b0ff051f02f8e0a67fc3424dad554fa9489875475ea624fbb63eabfcbf7
SHA512e3dd368937f863cb07453de12173580fb63b8d3983db7119c24860f227c89ded76401c47607f5b1134d215d46fe2b40d4bc3d7299374f1e8abecdeaefc7b9099