Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 10:25
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe
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Size
4.3MB
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MD5
a5847970334592cccd735aa7889449e6
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SHA1
589e6a1acc1c6a45f1e76ee6b2d272b67cb8e525
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SHA256
06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36
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SHA512
608454e032a253772c18bf98552e991794856f113ba0a27f4826a48a84f9b92be7697ab4291f22c329538fc95d1521a3ef358a7d5a575d9d38dfa9f74e5e7c58
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SSDEEP
98304:LnYGdaDYzFKytrzkVMXVvfLHIDHXCcr3fFsbMTegYrAiQATQ:kGda0dtroVMXVbdkFuM+u
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/4396-2-0x0000000004760000-0x0000000005002000-memory.dmp family_glupteba behavioral2/memory/4396-3-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/4396-5-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/4396-6-0x0000000004760000-0x0000000005002000-memory.dmp family_glupteba behavioral2/memory/4396-4-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/2444-9-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/2444-10-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/2444-15-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-17-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-23-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-24-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-25-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-26-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-27-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-28-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-29-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-30-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-31-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-32-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-33-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-34-0x0000000000400000-0x00000000023CE000-memory.dmp family_glupteba behavioral2/memory/3096-35-0x0000000000400000-0x00000000023CE000-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 3940 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3096 csrss.exe 2008 injector.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BillowingSky = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.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 56 raw.githubusercontent.com 57 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_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.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 972 2444 WerFault.exe 86 -
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_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 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,-1822 = "Russia TZ 1 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian 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,-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,-201 = "US Mountain Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight 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,-382 = "South Africa Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 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,-112 = "Eastern Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-1411 = "Syria Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti 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,-2322 = "Sakhalin Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas 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,-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,-532 = "Sri Lanka 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,-2182 = "Astrakhan 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,-2041 = "Eastern Daylight Time (Mexico)" 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 3176 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4396 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 4396 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 3096 csrss.exe 3096 csrss.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe 2008 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4396 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe Token: SeImpersonatePrivilege 4396 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe Token: SeSystemEnvironmentPrivilege 3096 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2444 wrote to memory of 844 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 87 PID 2444 wrote to memory of 844 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 87 PID 844 wrote to memory of 3940 844 cmd.exe 89 PID 844 wrote to memory of 3940 844 cmd.exe 89 PID 2444 wrote to memory of 3096 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 92 PID 2444 wrote to memory of 3096 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 92 PID 2444 wrote to memory of 3096 2444 JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe 92 PID 3096 wrote to memory of 2008 3096 csrss.exe 109 PID 3096 wrote to memory of 2008 3096 csrss.exe 109 -
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_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4396 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36.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:2444 -
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:844 -
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:3940
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe /305-3053⤵
- 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:3096 -
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:3176
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2980
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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:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 7323⤵
- Program crash
PID:972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2444 -ip 24441⤵PID:4152
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
MD5a5847970334592cccd735aa7889449e6
SHA1589e6a1acc1c6a45f1e76ee6b2d272b67cb8e525
SHA25606d21dd11d56d7dec4d9f3d130c558aef8dca8b56ba0f649c0a1129a9dfb8d36
SHA512608454e032a253772c18bf98552e991794856f113ba0a27f4826a48a84f9b92be7697ab4291f22c329538fc95d1521a3ef358a7d5a575d9d38dfa9f74e5e7c58