Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14/08/2024, 17:54
Static task
static1
Behavioral task
behavioral1
Sample
971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe
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Size
192KB
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MD5
971490c4973d3fe52567483995bcd7ac
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SHA1
96dfebb1d9ed3e95df1073cab4b833dcc567c393
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SHA256
01abaab1f570e3fd5e0cffbaf9afab38543515b740460ba6c8034461798198c2
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SHA512
1b0afac3b03044792ece5cc740f00b7efd6bc77c37f8d508723ad7758b2b6ae1ebdeb87f39862880ed287933e22479d983e366a6cd4fc3b8aa0583003a51e9c1
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SSDEEP
3072:eT60OvTrQj4hWvJnEIn8ikxwNMxvSj7uNmfYdOTsuZfD:NXOnn86MxQuNywuZr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4452 ybmlxn.exe -
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 ybmlxn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3468 PING.EXE -
Modifies registry class 7 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D} ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\\shell\\dybml\\command ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\dybml ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\\{871C5380-42A0-1069-A2EA-08002B30309D}\\shell\\dybml ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell ybmlxn.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID ybmlxn.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3468 PING.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4968 wrote to memory of 3340 4968 971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe 84 PID 4968 wrote to memory of 3340 4968 971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe 84 PID 4968 wrote to memory of 3340 4968 971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe 84 PID 3340 wrote to memory of 4452 3340 cmd.exe 86 PID 3340 wrote to memory of 4452 3340 cmd.exe 86 PID 3340 wrote to memory of 4452 3340 cmd.exe 86 PID 3340 wrote to memory of 3468 3340 cmd.exe 87 PID 3340 wrote to memory of 3468 3340 cmd.exe 87 PID 3340 wrote to memory of 3468 3340 cmd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\971490c4973d3fe52567483995bcd7ac_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\eirugcx.bat2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\ybmlxn.exe"C:\Users\Admin\AppData\Local\Temp\ybmlxn.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4452
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
170B
MD5988cf638825cf1b70fb0bc800eae3465
SHA105a278d7d2acfd63fb50a1f0792c83d71eb57b00
SHA2563d882a4bed8c4ee7bb0c0613fd30c7e6ca16af0d68f8494464274969f3d993e8
SHA512ca676c877ae44849e874ba7c7e95cd500b0bca3915aeae7409658750c24d74b0e5b09457c23bc47cf50d9997da15001b2e3d52333743d15045dfe021257f6450
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Filesize
124B
MD54ff369f34d1fcc302d72f6136ab93491
SHA1f867ff32cdaf11dbd6f692c702cac23dd512ee99
SHA256062087dbdfd42c90ea4a3c6e15dd0c089d69b8c784814474b5c8fd55490e4fdc
SHA5126fd383de7b2507ee40cf26bc36c3685bec6b6ec6ae8814481f55bc6680f22633d54cc3f4d5627cce34458f04147f649e17d119192f8c059553f59e98ab94b1b5
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Filesize
144KB
MD5aaf2474d00a3de0c5c9b9b36524b1df1
SHA1b9e43e03a1b2cb3f3f24dbfd174743230babad53
SHA256fe451c56ad090e81704a3bcd8b5037f04918173ba9bab74c5d5accc714eaef84
SHA512e95aef4c2c415d61a4f3a714ad2b67d66ed082e3a4e9809a913e1046561a8adb8ba5c91d214f31b379452a4284eaea744811b1efafb3ddc836a5159629790c4a