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
25-01-2025 21:07
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe
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Size
1.3MB
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MD5
2fa3f1a88ecb2e4d8870d99c2685e989
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SHA1
dc04b559f5448fd61318f6530797a54ff1057604
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SHA256
3e2b9ac2dab55058fb5f641d3a113eba609590c0fc81712bc5e374c457080f57
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SHA512
9d8c5f5d7f4f9cc78b05220305ff40a2bee43f861e1e3863b1e805ad8fae93d3ee42e7411aadd9e9f6b6842ea54a1a8b96f627abcbeb9c15cceec5cd685c4f86
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SSDEEP
24576:+XA70YXzVoGGhD4Nx67uPtV/N0ksNxH/2R8j2n9X:+QIYVoNhg8yPak4xH/2qk
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023c9b-20.dat family_ardamax -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe -
Executes dropped EXE 1 IoCs
pid Process 4060 YBQ.exe -
Loads dropped DLL 1 IoCs
pid Process 4060 YBQ.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YBQ Start = "C:\\Windows\\SysWOW64\\RDFYBT\\YBQ.exe" YBQ.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 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\RDFYBT\YBQ.001 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe File created C:\Windows\SysWOW64\RDFYBT\YBQ.002 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe File created C:\Windows\SysWOW64\RDFYBT\AKV.exe JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe File created C:\Windows\SysWOW64\RDFYBT\YBQ.exe JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe File opened for modification C:\Windows\SysWOW64\RDFYBT\ YBQ.exe File created C:\Windows\SysWOW64\RDFYBT\YBQ.004 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language YBQ.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4060 YBQ.exe 4060 YBQ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4060 YBQ.exe Token: SeIncBasePriorityPrivilege 4060 YBQ.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4060 YBQ.exe 4060 YBQ.exe 4060 YBQ.exe 4060 YBQ.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1028 wrote to memory of 4060 1028 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe 83 PID 1028 wrote to memory of 4060 1028 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe 83 PID 1028 wrote to memory of 4060 1028 JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2fa3f1a88ecb2e4d8870d99c2685e989.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\SysWOW64\RDFYBT\YBQ.exe"C:\Windows\system32\RDFYBT\YBQ.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4060
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5af1934140fe91f0fa9d94899ad096746
SHA1bb0ad6f8aa3f547e41cb3b0684f93a1bff7e9cb2
SHA25623b6802973ead240d8d1f2f990fdf9c17d02a2e78412234cd189cb66da77ba83
SHA5128490a524ee422456db04ac21d1ee22a61894384decbd21e42470db91ecf7717a84b7a4ad5fbae1f66e96f00adb1a84f26d40d154411e57d8b03a47fedf50b664
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Filesize
490KB
MD564a6cc55dc76d26448c30a8a1885f7cb
SHA1149e467026647e080b4c69ab4f99b2d3c2b4dbe4
SHA2565cbc0ec73c901be4ac182e13f6869f6f8cf0831b9603e542a3919f6a06087640
SHA512de8cd7bea8113871ce8a36966fbaefd02b8ef7b09a8cbb631b4ac353bdf65b27d5630146ed700fd6edbc4276f4368ebad76b772d9b84349ddc2bd6f7127c377d
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Filesize
61KB
MD5bf311791d2f9ea9c82a8d4764a98c0d8
SHA1405ba2bd110590abd0bf340d12e054405afb011f
SHA256d720cf3d297743da7ab1da528f4c086a29d59ef553e1a96569b49a59831d583b
SHA5128be092f068807767b0065de10f9da386b90d8e587356881ba3391380b953b199e818b527e74b305d7c714fc94cb6f8e66c76d89d1785fa9910aa4cb39c5cada8
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Filesize
44KB
MD5ce365878123962c3438e349621c10198
SHA15b861d9fc2923c61ef390a0b729a21078aa5fd59
SHA256ba254f6675490a045d4c85a5f46681c175c1321692c20fc808c7c244173dd63f
SHA512efc6f143d5e9244a6635562d7e9a9cea22ab7e7b304e933642a51d66da896e9038208b86c12f6da623a01b9175e73eeb40ab600e6625db3595144bfca1231a76
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Filesize
1KB
MD533a71fbe4829d24bb0aea096d64550c6
SHA166deaacca7e6ddc0d4bfc72abff74061f04a494f
SHA25665b0d59180c1575b97b1ce8342b18df6b9bb277a4286568dfedd2a93c4727e05
SHA512e1f2ba8f883eab0e16758f819839bd3b92252f399567d4fcf61a45658cbe936625b869c79091a5e249d965c3159153030fbf016ec5cefb0afb43410dd7866885
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Filesize
1.7MB
MD58f7590bbba70748e69612e9e2d5a9f2e
SHA1f3ad9834bc38f33fe501b9076c65ac29d0410578
SHA2562dec3a8fb4a5b198335e7f4a9b611194b0a081abf0c56f9df3f4e2697e69d9e4
SHA512347e9ac793afd627e064ecdfea61c3e2b626ace0ea41928aad93a72567048b8e9bdf773f8a4a59a0d96ce8c08612c542c15982e8051828bef025fea6132838c6