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
25-12-2024 03:58
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe
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Size
4.2MB
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MD5
6d67c1610649b571e7ae0ead6d21898d
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SHA1
071789fa5e3c8e74af895dd94feff530a600b5eb
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SHA256
1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6
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SHA512
3c892ffd60ad428362b3f3a4b7be2f8bac1c450b33aab8657563ffd5de6a0f5affdaa0ba708056efc9660caad8e5f99122a557ba2038cad07d82b25a037b70db
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SSDEEP
98304:GOzD3mwA97CEgHElJLimv4XWC9f+LVVShAQ79V8etmz3L:Rfmv97DgHEbWGCILLs8lL
Malware Config
Extracted
metasploit
windows/single_exec
Signatures
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Glupteba family
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2252-1-0x00000000033B0000-0x0000000003C52000-memory.dmp family_glupteba behavioral2/memory/2252-2-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/2252-5-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/2252-6-0x00000000033B0000-0x0000000003C52000-memory.dmp family_glupteba behavioral2/memory/1348-8-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1348-14-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-15-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-21-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-22-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-23-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-24-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-25-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-26-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-27-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-28-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-29-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-30-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-31-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-32-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3372-33-0x0000000000400000-0x0000000000CBD000-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 1820 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 3372 csrss.exe 4700 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\LittlePine = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.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 49 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_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.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 4772 1348 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_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.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,-2392 = "Aleutian Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 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,-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,-302 = "Romance Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-621 = "Korea 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-72 = "Newfoundland Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus 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,-182 = "Mountain Standard Time (Mexico)" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 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,-982 = "Kamchatka Standard Time" 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,-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,-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,-531 = "Sri Lanka Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-222 = "Alaskan 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,-371 = "Jerusalem Daylight 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,-252 = "Dateline Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-2532 = "Chatham Islands Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific 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 -
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 4272 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2252 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 2252 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 3372 csrss.exe 3372 csrss.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe 4700 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2252 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe Token: SeImpersonatePrivilege 2252 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe Token: SeSystemEnvironmentPrivilege 3372 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1348 wrote to memory of 844 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 87 PID 1348 wrote to memory of 844 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 87 PID 844 wrote to memory of 1820 844 cmd.exe 89 PID 844 wrote to memory of 1820 844 cmd.exe 89 PID 1348 wrote to memory of 3372 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 90 PID 1348 wrote to memory of 3372 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 90 PID 1348 wrote to memory of 3372 1348 JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe 90 PID 3372 wrote to memory of 4700 3372 csrss.exe 111 PID 3372 wrote to memory of 4700 3372 csrss.exe 111 -
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_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6.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:1348 -
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:1820
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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:3372 -
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:4272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3052
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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:4700
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 6123⤵
- Program crash
PID:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1348 -ip 13481⤵PID:4816
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
4.2MB
MD56d67c1610649b571e7ae0ead6d21898d
SHA1071789fa5e3c8e74af895dd94feff530a600b5eb
SHA2561e938ad830e3f05f6c4e65da8e13da5f22b115a1fabda615e69a94c9b71709d6
SHA5123c892ffd60ad428362b3f3a4b7be2f8bac1c450b33aab8657563ffd5de6a0f5affdaa0ba708056efc9660caad8e5f99122a557ba2038cad07d82b25a037b70db