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Analysis
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max time kernel
110s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/08/2024, 17:54
Behavioral task
behavioral1
Sample
9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe
Resource
win7-20240704-en
windows7-x64
10 signatures
150 seconds
General
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Target
9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe
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Size
519KB
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MD5
9421464cf78b98c1b1a37142ad260fa2
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SHA1
efd97543122d16fc4d89d61692ebb4d4cb02c0d5
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SHA256
9064e64e75cd5fae3aa95397a33781a87095dbec26ee71c13735240b0860feba
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SHA512
eeb2d0c565f1278c45aa95f31459e9cb2c1d096801a55b9269b5b44c2d746e4795ae7af3e9d9eae5b09acd8b4f2509de02c9e814d47579b325a4a40d9b7207ca
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SSDEEP
12288:hkSrioegMlKSRcK7XpPhJoeQbOzST3PtCOckue:u2J8lTX7RXolqy
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 3788 regsvr32.exe -
Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{86EBD5B2-0796-49AD-AE08-846C3146D168} regsvr32.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\oobe\unhjavrbu.dll 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\oobe\unhjavrbu.dll 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File created C:\Windows\SysWOW64\5e7215d163.dll 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\5e7215d163.dll 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File created C:\Windows\SysWOW64\dnabeser.dat 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File created C:\Windows\SysWOW64\oobe\6716\svchost.exe 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\oobe\6716\svchost.exe 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXPLORER.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cacls.exe -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe -
Modifies registry class 41 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32\ = "C:\\Windows\\SysWow64\\oobe\\unhjavrbu.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\unhjavrbu.VeeQbain\Clsid regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 4e003100000000000d59dd8e10006f6f626500003a0009000400efbe874fdb490d59dd8e2e000000ae13000000000100000000000000000000000000000098a54b006f006f0062006500000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\unhjavrbu.VeeQbain regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\unhjavrbu.VeeQbain\Clsid\ = "{86EBD5B2-0796-49AD-AE08-846C3146D168}" regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ = "ExpBandse" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ProgID\ = "unhjavrbu.VeeQbain" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\unhjavrbu.VeeQbain\ = "ExpBandse" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\ProgID regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 5a003100000000000d59d98e100053797374656d33320000420009000400efbe874f77480d59d98e2e000000b90c00000000010000000000000000000000000000008aca1301530079007300740065006d0033003200000018000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4e003100000000000d59dd8e10003637313600003a0009000400efbe0d59dd8e0d59dd8e2e0000008134020000000700000000000000000000000000000028cb52003600370031003600000014000000 explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{86EBD5B2-0796-49AD-AE08-846C3146D168}\InprocServer32 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\NodeSlot = "1" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 560031000000000002598d66100057696e646f777300400009000400efbe874f77480d59dd8e2e000000000600000000010000000000000000000000000000001eb00d01570069006e0064006f0077007300000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe Token: SeDebugPrivilege 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3224 explorer.exe 3224 explorer.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3424 wrote to memory of 948 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 91 PID 3424 wrote to memory of 948 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 91 PID 3424 wrote to memory of 948 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 91 PID 3424 wrote to memory of 3788 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 93 PID 3424 wrote to memory of 3788 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 93 PID 3424 wrote to memory of 3788 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 93 PID 3424 wrote to memory of 1700 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 94 PID 3424 wrote to memory of 1700 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 94 PID 3424 wrote to memory of 1700 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 94 PID 3424 wrote to memory of 3852 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 98 PID 3424 wrote to memory of 3852 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 98 PID 3424 wrote to memory of 3852 3424 9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9421464cf78b98c1b1a37142ad260fa2_JaffaCakes118.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Windows\SysWOW64\cacls.execacls "C:\Windows\system32\oobe\6716" /t /e /g everyone:f2⤵
- System Location Discovery: System Language Discovery
PID:948
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s C:\Windows\system32\oobe\unhjavrbu.dll2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:3788
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C:\Windows\SysWOW64\EXPLORER.EXEEXPLORER.EXE /e,C:\Windows\system32\oobe\6716\2⤵
- System Location Discovery: System Language Discovery
PID:1700
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$306609.bat2⤵
- System Location Discovery: System Language Discovery
PID:3852
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
182B
MD59f30835efceb8c536ec0f392e6694dac
SHA1f6c70ef594e6b7786975cf5e907f61373f9d62ab
SHA256f150b41daf4857667a0faa332523933c8a5e08910c81041b6712dcc4e417586e
SHA5121e5a7d3852f4364de87243be4be44f00c5066d6e95ee59d1ca0b0129e329f1284f30e037b947392323fd296cf4540de2b70789b103f0295d3a2a804340e5dcae
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Filesize
138B
MD5c290500e1c2820b6312add6461a0b8c5
SHA14075a59c96fc8040599912d6aed2bcb107211892
SHA256e10ab5064fa6c47874c91db59d92e75606773076ee2b4f268553c92a1fd6c104
SHA512ee2175cada1794a01130327439ab95c19d0f83d1e5bc263907a5322875b4b79fdc02b1e6c6bcf7f1025b9fe6818559f8c96663a894b0c063dc0e67dbf33217b5
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Filesize
522KB
MD58ae9360934a504d6dee07a7434936015
SHA14737d47d7b46582e8c9f3390e64ca0309bfee24b
SHA25624fe29186fe1019517ce323b9e37de4bb59e8ca71efe38a81550be202ce8a3a4
SHA5124fd6f154c3ad7df892bca54946c28d287a3b8d1e11b07dfad07570fe5124163c5cbf5373e5b284c24fc0afdaebbea6ead1899ff2079cd18387f9837a354487eb