Analysis
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max time kernel
132s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
25-07-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe
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Size
271KB
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MD5
6fa3640b87e3fc4235541f837ce809f0
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SHA1
3d80ccb4c551043d4f746916375461493abdf866
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SHA256
27e944668c75a6ccd01bb5e97ee645132f8fbfd90da6a9380a92eb51f7827905
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SHA512
ea7b5b3330695f9146d8d070ae0acfa70d9a99b57deaa9f8394a773bc753c13f02ed085327e5b5315f27ac4d54be6605d8ef40c33e31746968700da02e76a36d
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SSDEEP
6144:7G6lOQ1h6AXTMn4uEF9+dCu7j2od7wcT5sF7xAzlRw:7/15XT4zx7iod7h5e7iC
Malware Config
Signatures
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Ardamax main executable 1 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\28463\HOKL.exe family_ardamax -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
HOKL.exepid process 4604 HOKL.exe -
Loads dropped DLL 4 IoCs
Processes:
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exeHOKL.exepid process 1080 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe 4604 HOKL.exe 4604 HOKL.exe 4604 HOKL.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
HOKL.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HOKL Agent = "C:\\Windows\\SysWOW64\\28463\\HOKL.exe" HOKL.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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Drops file in System32 directory 5 IoCs
Processes:
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exeHOKL.exedescription ioc process File created C:\Windows\SysWOW64\28463\HOKL.006 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\HOKL.007 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe File created C:\Windows\SysWOW64\28463\HOKL.exe 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\28463 HOKL.exe File created C:\Windows\SysWOW64\28463\HOKL.001 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exeHOKL.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HOKL.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
HOKL.exedescription pid process Token: 33 4604 HOKL.exe Token: SeIncBasePriorityPrivilege 4604 HOKL.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
HOKL.exepid process 4604 HOKL.exe 4604 HOKL.exe 4604 HOKL.exe 4604 HOKL.exe 4604 HOKL.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exedescription pid process target process PID 1080 wrote to memory of 4604 1080 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe HOKL.exe PID 1080 wrote to memory of 4604 1080 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe HOKL.exe PID 1080 wrote to memory of 4604 1080 6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe HOKL.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6fa3640b87e3fc4235541f837ce809f0_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\SysWOW64\28463\HOKL.exe"C:\Windows\system32\28463\HOKL.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4604
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
4KB
MD5c3679c3ff636d1a6b8c65323540da371
SHA1d184758721a426467b687bec2a4acc80fe44c6f8
SHA256d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb
SHA512494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7
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Filesize
392B
MD5b25268c585d62811e37981077ac364dd
SHA1edbda834345b40b89a158e4118776e70939ffef1
SHA25654a3959108737215b9ba183902ac45bd2e204007e66de339bee6cf058a848d11
SHA512a8d18a4c037bc2d98d3258567eda8da2abbadaab499b154158b86bef1d76e888d623bdb2a3b8f6c10313a30675c3f2c3cd432f854dc4013057e0622066922bec
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Filesize
8KB
MD543f02e9974b1477c1e6388882f233db0
SHA1f3e27b231193f8d5b2e1b09d05ae3a62795cf339
SHA2563c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba
SHA512e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f
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Filesize
5KB
MD5b5a87d630436f958c6e1d82d15f98f96
SHA1d3ff5e92198d4df0f98a918071aca53550bf1cff
SHA256a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2
SHA512fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce
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Filesize
473KB
MD517535dddecf8cb1efdba1f1952126547
SHA1a862a9a3eb6c201751be1038537522a5281ea6cb
SHA2561a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd
SHA512b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8