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Analysis
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max time kernel
149s -
max time network
150s -
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, 06:31
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe
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Size
4.2MB
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MD5
b89a4d9b93af626d0b7d8301a585611d
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SHA1
12ecbee886614ff3fa8eac3925799e801a80ad66
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SHA256
ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba
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SHA512
10ee1fb2571d4db91896ce5b4f1d4a2cc5190637999169f567f151df73a526449fe1389ca2fcb105e5a2ee7127c3470879bccec9447049e03e62d6a73f5f4d91
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SSDEEP
98304:gNR9wcyFTROyryeiUQSM87dqcN4OD+gzfsxEA0mlzpZiuYK:6RWNlOyrgUnnDTvmZpAw
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/1148-1-0x0000000003310000-0x0000000003BB2000-memory.dmp family_glupteba behavioral2/memory/1148-2-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1148-3-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1148-5-0x0000000003310000-0x0000000003BB2000-memory.dmp family_glupteba behavioral2/memory/3340-7-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/3340-13-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-14-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-20-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-21-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-22-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-23-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-24-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-25-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-26-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-27-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-28-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-29-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-30-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-31-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/5060-32-0x0000000000400000-0x0000000000CBD000-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 4940 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 5060 csrss.exe 1136 injector.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LittleCherry = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.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 52 raw.githubusercontent.com 53 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_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.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 queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2512 3340 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_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.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,-1872 = "Russia TZ 7 Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" csrss.exe 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,-2791 = "Novosibirsk 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,-1041 = "Ulaanbaatar Daylight 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,-71 = "Newfoundland Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 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,-214 = "Pacific Daylight Time (Mexico)" 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,-241 = "Samoa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. 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,-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,-2632 = "Norfolk Standard Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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,-2432 = "Cuba Standard Time" 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,-632 = "Tokyo Standard 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,-391 = "Arab 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,-1471 = "Magadan Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight 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 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,-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,-732 = "Fiji Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA 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,-202 = "US Mountain Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores 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,-2041 = "Eastern Daylight Time (Mexico)" 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,-2872 = "Magallanes Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 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 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,-1472 = "Magadan Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard 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,-2342 = "Haiti 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,-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,-2771 = "Omsk Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 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,-352 = "FLE Standard 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 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,-201 = "US Mountain Daylight Time" csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-2451 = "Saint Pierre Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar 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 4888 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1148 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 1148 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 5060 csrss.exe 5060 csrss.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe 1136 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1148 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe Token: SeImpersonatePrivilege 1148 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe Token: SeSystemEnvironmentPrivilege 5060 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3340 wrote to memory of 212 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 87 PID 3340 wrote to memory of 212 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 87 PID 212 wrote to memory of 4940 212 cmd.exe 89 PID 212 wrote to memory of 4940 212 cmd.exe 89 PID 3340 wrote to memory of 5060 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 90 PID 3340 wrote to memory of 5060 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 90 PID 3340 wrote to memory of 5060 3340 JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe 90 PID 5060 wrote to memory of 1136 5060 csrss.exe 110 PID 5060 wrote to memory of 1136 5060 csrss.exe 110 -
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_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba.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:3340 -
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:212 -
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:4940
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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:5060 -
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:4888
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3248
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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:1136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 9123⤵
- Program crash
PID:2512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3340 -ip 33401⤵PID:5048
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
MD5b89a4d9b93af626d0b7d8301a585611d
SHA112ecbee886614ff3fa8eac3925799e801a80ad66
SHA256ef77d173740955e9f8cd852f470200ef10e653e502c76196720b2e7d158614ba
SHA51210ee1fb2571d4db91896ce5b4f1d4a2cc5190637999169f567f151df73a526449fe1389ca2fcb105e5a2ee7127c3470879bccec9447049e03e62d6a73f5f4d91