Analysis
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max time kernel
149s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/10/2024, 21:15
Behavioral task
behavioral1
Sample
4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe
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Size
253KB
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MD5
4f112f651b8025db019ae8089a8d591a
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SHA1
17a81f254644dc7cb89739d0789de51bddf7365d
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SHA256
f8fcdb7600d274e4bfbcc4cea1a3484b917956f343fd05c5a3488b5d72dbef8e
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SHA512
93fae5fd976fdb22c9acf93918e04d7f0eeab0f9476e0d22b432f4e4e0b344f89a5a32cd97998289efac5c8c59b65c9d27d4a8cb322f36962557f023d1fca21c
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SSDEEP
6144:4VFNCNrUiyArOqLVA97qxKD/diPo1S11WXTjiBHk95:UN0UOrXZA97PD/dwWKBHk95
Malware Config
Signatures
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/3756-0-0x0000000000400000-0x00000000004B7000-memory.dmp upx behavioral2/memory/3756-31-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\TaoBao\ÌÔ±¦.ico 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe File created C:\Program Files (x86)\Common Files\TaoBao\ÌÔ±¦.tmp 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\RkRealTech.exe 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe File created C:\Windows\RtkSYUdp.exe 4f112f651b8025db019ae8089a8d591a_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 4 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 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
description ioc Process Key created \REGISTRY\MACHINE\software\WOW6432Node\microsoft\internet explorer\version Vector 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe -
Modifies registry class 28 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\PersistentHandler\ = "{5e941d80-bf96-11cd-b579-08002b30bfeb}" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{000214EE-0000-0000-C000-000000000046} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{00021500-0000-0000-C000-000000000046}\ = "{00021401-0000-0000-C000-000000000046}" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ = "InternetShortcut" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{FBF23B80-E3F0-101B-8488-00AA003E56F8} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{FBF23B80-E3F0-101B-8488-00AA003E56F8}\ = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ = "lnkfile" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{BB2E617C-0920-11d1-9A0B-00C04FC2D6C1}\ = "{00021401-0000-0000-C000-000000000046}" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{000214F9-0000-0000-C000-000000000046} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{00021500-0000-0000-C000-000000000046}\ = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{CABB0DA0-DA57-11CF-9974-0020AFD79762}\ = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\PersistentHandler regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{00021500-0000-0000-C000-000000000046} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{000214EE-0000-0000-C000-000000000046} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{000214EE-0000-0000-C000-000000000046}\ = "{00021401-0000-0000-C000-000000000046}" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1 regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{000214F9-0000-0000-C000-000000000046}\ = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{000214F9-0000-0000-C000-000000000046} regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{000214F9-0000-0000-C000-000000000046}\ = "{00021401-0000-0000-C000-000000000046}" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{000214EE-0000-0000-C000-000000000046}\ = "{FBF23B40-E3F0-101B-8488-00AA003E56F8}" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellNew\Command = "rundll32.exe appwiz.cpl,NewLinkHere %1" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.ur1\ShellEx\{CABB0DA0-DA57-11CF-9974-0020AFD79762} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellEx\{00021500-0000-0000-C000-000000000046} regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.1nk\ShellNew regedit.exe -
Runs regedit.exe 1 IoCs
pid Process 2896 regedit.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3756 wrote to memory of 2896 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 86 PID 3756 wrote to memory of 2896 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 86 PID 3756 wrote to memory of 2896 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 86 PID 3756 wrote to memory of 592 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 87 PID 3756 wrote to memory of 592 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 87 PID 3756 wrote to memory of 592 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 87 PID 3756 wrote to memory of 4140 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 95 PID 3756 wrote to memory of 4140 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 95 PID 3756 wrote to memory of 4140 3756 4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4f112f651b8025db019ae8089a8d591a_JaffaCakes118.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Windows\SysWOW64\regedit.exeregedit /s C:\Users\Admin\AppData\Local\Temp\$rar10987.tmp2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Runs regedit.exe
PID:2896
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$RAVSING.bat2⤵
- System Location Discovery: System Language Discovery
PID:592
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$dmsf.bat2⤵
- System Location Discovery: System Language Discovery
PID:4140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
253B
MD5cb350b29233b3440633123bb77692140
SHA152793f1ba4c7925d41c6e79a109080c3d12b69e6
SHA2567031fcb0fa967101e4d4894e9ebbac7e0ed00cc3ba57777afa02f521356530d3
SHA5120e5d3b34262260b807179d6a51e2c62524d3b0a132c05c4425830d376d1002d150aa0fd8e747a67d96b8ae8145ab903892ce3eaa8245084832eefd02b31c09b8
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Filesize
602B
MD5a4b0f71a1e52723101551d3156b79ac0
SHA19cce4c28c25c271ecb3b1d7f9eb428e22c459f1e
SHA25661e658319b6e6c4be1bb8e70e5457505d590cfc7530aaa02675b19c31a1fcc5f
SHA512c72cc0d703889e9c4234eded766afa4141b789d268d02e683948f496c4bba8fdbb724a9ae52819bce0909d94d07087c44d1e15ba734c9e5f208334ee7b0d49d3
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Filesize
1KB
MD5185038ec1cc9a69a109726c8989e4cf5
SHA1bfb62037297e8533e5f3940a32fb9505acf4fe26
SHA25648ccff6cd96445619998a70fad77f5e655a9d146b93d0d160656619728c4e727
SHA512bb0065a36a9bc48199943b21f3c3f10916fd15aa54201513f344464d962b5e6339e1df1b932043a914a662631f842a2f3b7a2c6e8c4e414567c5ea8ac9950391