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Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2024, 19:44
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe
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Size
4.3MB
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MD5
12bad01499bed3503c3e89bed0c36321
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SHA1
c639caa2af90cbef6333cd2cd0fb4c46cde48e94
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SHA256
95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284
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SHA512
1fc63c12da222b431c7d1996462fbf92f66cf768acefe24fc2b67dfe6e1c6721366a8c38d5f26f4b282ee9b3c419ebd78ec39503cca8e684423bdeb44c0d47cf
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SSDEEP
98304:djZbOxgOR8FcXkROqk+8gqr4iDq/VuLcJatSZaGbX:SSOcRg+8f+/VuLCKAa8
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba family
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Glupteba payload 22 IoCs
resource yara_rule behavioral2/memory/1912-2-0x0000000004730000-0x0000000004FD2000-memory.dmp family_glupteba behavioral2/memory/1912-3-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1912-6-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1912-5-0x0000000004730000-0x0000000004FD2000-memory.dmp family_glupteba behavioral2/memory/1912-4-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/3900-9-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/3900-10-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/3900-15-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-17-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-23-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-24-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-25-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-26-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-27-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-28-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-29-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-30-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-31-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-32-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-33-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-34-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba behavioral2/memory/1052-35-0x0000000000400000-0x00000000023CF000-memory.dmp family_glupteba -
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Metasploit family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3288 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 1052 csrss.exe 1332 injector.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LateMeadow = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 51 raw.githubusercontent.com 50 raw.githubusercontent.com -
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe -
Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4408 3900 WerFault.exe 85 -
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 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" csrss.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1620 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1912 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 1912 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 1052 csrss.exe 1052 csrss.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe 1332 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1912 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe Token: SeImpersonatePrivilege 1912 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe Token: SeSystemEnvironmentPrivilege 1052 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3900 wrote to memory of 3376 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 86 PID 3900 wrote to memory of 3376 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 86 PID 3376 wrote to memory of 3288 3376 cmd.exe 88 PID 3376 wrote to memory of 3288 3376 cmd.exe 88 PID 3900 wrote to memory of 1052 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 91 PID 3900 wrote to memory of 1052 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 91 PID 3900 wrote to memory of 1052 3900 JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe 91 PID 1052 wrote to memory of 1332 1052 csrss.exe 102 PID 1052 wrote to memory of 1332 1052 csrss.exe 102 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1912 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:3288
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe /301-3013⤵
- Executes dropped EXE
- Manipulates WinMonFS driver.
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Scheduled Task/Job: Scheduled Task
PID:1620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:828
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 6123⤵
- Program crash
PID:4408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3900 -ip 39001⤵PID:3812
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.3MB
MD512bad01499bed3503c3e89bed0c36321
SHA1c639caa2af90cbef6333cd2cd0fb4c46cde48e94
SHA25695b96693f8b1b5a211d052af44c3abefa60d7e341566bd7a44ef6adb43842284
SHA5121fc63c12da222b431c7d1996462fbf92f66cf768acefe24fc2b67dfe6e1c6721366a8c38d5f26f4b282ee9b3c419ebd78ec39503cca8e684423bdeb44c0d47cf