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Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
23/08/2024, 13:16
Static task
static1
Behavioral task
behavioral1
Sample
bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe
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Size
14KB
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MD5
bbe14e1437f0af3c809ead26ccc9d92d
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SHA1
ae14a404d88f7e88d28b0210312c215727623a98
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SHA256
a92d8871a1ce0f8787d16662ff0d600cb2e4c5edc70c846ccafccf371dbb43eb
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SHA512
2ecb46e453cdebfe80dd78552bc086f13de32472af92f29f6b64b5b0be2a644baaad895c7cfc2da7a10f2f2b44c85f5cdc535d8ac434b495ea20bd3f759bf6ba
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SSDEEP
192:FvOTZzae+oYUYjEJOLnl+2m3SSjl1ulDGibJKGjzjZrKMGO5Ba+VE3vmKwHUR8pD:FjMIwOLPxkGjzjdK6BpGmKwHUR6Njs0Z
Malware Config
Signatures
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Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\rirmggwg.dll = "{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}" bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 2924 cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\rirmggwg.tmp bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\rirmggwg.tmp bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\rirmggwg.nls bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
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 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07} bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ = "C:\\Windows\\SysWow64\\rirmggwg.dll" bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ThreadingModel = "Apartment" bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2924 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2924 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2924 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 31 PID 2328 wrote to memory of 2924 2328 bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bbe14e1437f0af3c809ead26ccc9d92d_JaffaCakes118.exe"1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\6873.tmp.bat2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
207B
MD58a96adf6bf44f25cf3c62ae2a68a296a
SHA1da7e3e62df7770f49abc3f0249786de502a7b945
SHA256e3c6d08bb67815a7e8fab0cb987223fec09ee739a1c8b354b91867fb85b28f4e
SHA51214a6eb3dd15f51ed3540314fe2908cf1a3dacc9768f2f36f3d5203500112b5fb3bcd1d6c623e31caedc59256f40f9e965534b0be6c03c9a1f0ea342a7fb1f19c
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Filesize
428B
MD592d183aef52a20c0a4a535ffdeae8e84
SHA1abb0632e7d0a402b5182e95ff85de4c506cf9a8d
SHA2562a36451e45ab77ab3abdb6d85c290bd34a32024446540121d79f872af86423bf
SHA51253e8aeebf1cf7653bcd12c863f6e7b957c37b78f6988b518ff672ce5ca6dfbe1fd833e41a0ed40ecf26f85b2e5ffd50ef4bded28302b770df5911f198ac52d85
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Filesize
2.3MB
MD52186aecf16c63d291485215fc9c34a70
SHA10be1212bacd203223e2a80f05127487d537fb660
SHA256aed577fe790aafb0baff5a0e72f8fc1184d01f5d4dfcfcf479b1cf5a76265b16
SHA512979bcd241d4848222d64a44b663f4bc239002366d7fe2038d54b89c32d456529af33bd70eb43755903669fed8c027cdb917c82538574ea29df64655e6eea46c1