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Analysis
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max time kernel
141s -
max time network
126s -
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, 17:22
Behavioral task
behavioral1
Sample
96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe
Resource
win7-20240729-en
General
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Target
96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe
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Size
123KB
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MD5
96f85065c8597c980435489ac58e6c70
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SHA1
4d3152980000813a674c5ba1c9e1890cf41bc019
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SHA256
c5bdc3169396cce8d92456f4b667528511fecdd7947362d4dd3acdf425521ae7
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SHA512
869938d2a76cc52f93b44a718cb3eab0a68a2bba85d54f84e2082e50e13aa7e669425a18802b08b81056b783b6d0aeb3fc963c57f7e07750e59df12a7dbc3001
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SSDEEP
3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLDX:OVYrJrOSsRwcpF
Malware Config
Signatures
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Manipulates Digital Signatures 1 TTPs 1 IoCs
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\SystemCertificates\TrustedPublisher\Certificates\62119EF862C6B3A0D853419B87EB3E2F6C78640A\Blob = 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 regedit.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000700000002344c-27.dat acprotect -
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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation iaccess32.exe -
Executes dropped EXE 1 IoCs
pid Process 4460 iaccess32.exe -
Loads dropped DLL 1 IoCs
pid Process 2996 regsvr32.exe -
resource yara_rule behavioral2/memory/2204-0-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x00090000000233e0-3.dat upx behavioral2/memory/4460-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/2204-6-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x000700000002344c-27.dat upx behavioral2/memory/4460-57-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\egaccess4_1071.dll iaccess32.exe -
Drops file in Program Files directory 13 IoCs
description ioc Process File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\Common\module.php iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e_1_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e_3_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\instant access.exe iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e_go_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e.ico iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\dialerexe.ini iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Multi\20110121180113\dialerexe.ini iaccess32.exe File created C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e_logo_2.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121180113\medias\p2e_2_3.gif iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File created C:\Windows\iaccess32.exe 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe File created C:\Windows\tmlpcert2007 iaccess32.exe File created C:\Windows\dialexe.zl iaccess32.exe File created C:\Windows\dialexe.epk iaccess32.exe File created C:\Windows\dialerexe.ini iaccess32.exe File created C:\Windows\egdhtm_pack.epk iaccess32.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 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iaccess32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\À iaccess32.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ = "C:\\Windows\\SysWow64\\egaccess4_1071.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{413E282B-C32A-4717-A0F3-4F2E6FE25F83}\InprocServer32 regsvr32.exe -
Runs regedit.exe 1 IoCs
pid Process 4344 regedit.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2204 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe 4460 iaccess32.exe 4460 iaccess32.exe 4460 iaccess32.exe 4460 iaccess32.exe 4460 iaccess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2204 wrote to memory of 4460 2204 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe 84 PID 2204 wrote to memory of 4460 2204 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe 84 PID 2204 wrote to memory of 4460 2204 96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe 84 PID 4460 wrote to memory of 4344 4460 iaccess32.exe 88 PID 4460 wrote to memory of 4344 4460 iaccess32.exe 88 PID 4460 wrote to memory of 4344 4460 iaccess32.exe 88 PID 4460 wrote to memory of 2996 4460 iaccess32.exe 89 PID 4460 wrote to memory of 2996 4460 iaccess32.exe 89 PID 4460 wrote to memory of 2996 4460 iaccess32.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\96f85065c8597c980435489ac58e6c70_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\iaccess32.exeC:\Windows\iaccess32.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\regedit.exe"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert20073⤵
- Manipulates Digital Signatures
- System Location Discovery: System Language Discovery
- Runs regedit.exe
PID:4344
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2996
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵PID:1600
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD54009532853a09a4289ce596660e72378
SHA1a4d68fd1bfe1c03716429465843b0b67ac07c545
SHA256111dee675f1f4caab85402da33e6924d096a901d9f1c07537c1192937912710b
SHA5126b4835c53f10017d9f8f0a4276a7888f80a819e34d21531ff077ca96fcf617b7c950bb18d73c06b6da1958b0c474cf4cf69f0481143dfbbf8bdfb609c9c7ed84
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Filesize
669B
MD53cdf32c98c280c1d075b255191d728b4
SHA165ca128303d60c54d1706438fdcfba594aab6a71
SHA25641d2cd0919a9862cb381b45b0eeed600e58acd4c4fb5116cd3c5d2e2426f3aa3
SHA5126d2424ebbbc630691866a82742b829e84f321556795505f208cc059e2887ace7082165a1db08f81c8d1702d6cf351e0a492a2f9200925e87290a442575179361
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Filesize
76KB
MD5b83f652ffa76451ae438954f89c02f62
SHA1b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd
SHA256f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f
SHA512965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83
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Filesize
123KB
MD51d3749a3c9f285a10fc40c465745b454
SHA171cf019c9e2a680fa14df47cc7907e3b1f43abc3
SHA25600df796286d954d5b17ff3d5342ebc651192a9dbc9b4f5f4101c662b9dfa6a9b
SHA51287d83c1f3cb165f82351589ccaccf0d96830e1ca03d10e7d176eab56f110face3fde3ea201674be03566c52d73aa7c135e6f48fe2d33e57cf4923bb073c6c315
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Filesize
6KB
MD5b103757bc3c714123b5efa26ff96a915
SHA1991d6694c71736b59b9486339be44ae5e2b66fef
SHA256eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48
SHA512d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1