Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2024 14:45
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe
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Size
4.2MB
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MD5
aa3de71907cec57fcbd6dbe9f5299532
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SHA1
e13e03b0036f95f44c2484432937e669d43ae9c5
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SHA256
82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e
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SHA512
eacb736c25f72284d0a28de5466134cf7ab56fb8be5a25cc49af92edbdd59fa5f090a38ab904933df85f355a6f19dd340ac0cd6963175409210da4896b5bdef7
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SSDEEP
98304:YYqBC8vEbgwsE946rEnJdbcvg89xP0YcaBnD7cS0Acl4Iwjpnm9N4Ii2NWEk0:kT9ENrEHcvN7DLqC7cRrNWEk0
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/552-1-0x0000000003320000-0x0000000003BC2000-memory.dmp family_glupteba behavioral2/memory/552-2-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/552-3-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/552-5-0x0000000003320000-0x0000000003BC2000-memory.dmp family_glupteba behavioral2/memory/1164-7-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/1164-13-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-14-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-20-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-21-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-22-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-23-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-24-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-25-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-26-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-27-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-28-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-29-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-30-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-31-0x0000000000400000-0x0000000000CBD000-memory.dmp family_glupteba behavioral2/memory/764-32-0x0000000000400000-0x0000000000CBD000-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 3900 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 764 csrss.exe 4644 injector.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OldDarkness = "\"C:\\Windows\\rss\\csrss.exe\"" JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.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 52 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_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe File created C:\Windows\rss\csrss.exe JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.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 value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.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,-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,-2771 = "Omsk Daylight Time" 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,-2491 = "Aus Central W. Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea 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,-362 = "GTB Standard 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,-692 = "Tasmania Standard Time" 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,-291 = "Central European Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central 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,-502 = "Nepal 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,-2842 = "Saratov Standard Time" 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-2631 = "Norfolk 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,-1501 = "Turkey Daylight 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,-2341 = "Haiti Daylight 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard 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,-2772 = "Omsk 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 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,-932 = "Coordinated Universal 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,-448 = "Azerbaijan Daylight 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,-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,-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,-2321 = "Sakhalin 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,-392 = "Arab Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde 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,-402 = "Arabic Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight 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,-1502 = "Turkey Standard 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,-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,-352 = "FLE Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard 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 -
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 1540 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 552 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 552 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 764 csrss.exe 764 csrss.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 552 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe Token: SeImpersonatePrivilege 552 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe Token: SeSystemEnvironmentPrivilege 764 csrss.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1164 wrote to memory of 536 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 87 PID 1164 wrote to memory of 536 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 87 PID 536 wrote to memory of 3900 536 cmd.exe 89 PID 536 wrote to memory of 3900 536 cmd.exe 89 PID 1164 wrote to memory of 764 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 90 PID 1164 wrote to memory of 764 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 90 PID 1164 wrote to memory of 764 1164 JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe 90 PID 764 wrote to memory of 4644 764 csrss.exe 107 PID 764 wrote to memory of 4644 764 csrss.exe 107 -
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_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:552 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e.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:1164 -
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:536 -
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:3900
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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:764 -
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:1540
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:32
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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:4644
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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
MD5aa3de71907cec57fcbd6dbe9f5299532
SHA1e13e03b0036f95f44c2484432937e669d43ae9c5
SHA25682143c832d05331b7c1f251104a34a2cb58992d72ebc7c2c6ff07311a30f7f3e
SHA512eacb736c25f72284d0a28de5466134cf7ab56fb8be5a25cc49af92edbdd59fa5f090a38ab904933df85f355a6f19dd340ac0cd6963175409210da4896b5bdef7