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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03/07/2024, 07:09
Behavioral task
behavioral1
Sample
217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe
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Size
123KB
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MD5
217c609d7b52de707bdfcccc374217d6
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SHA1
d6b1e6400a8a02321a1e8bc7bb7bb777cb813137
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SHA256
97f7525461aef55891c5bd9aa7b690f74dd928d376c4bb42a1d776442a4a5837
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SHA512
6bd28d82cc109b1cb3506332a84473ad38cd558035e131c85566ab1c83e894516e4b4f0907236e12d013d1f732378e2ed3a347fbe0b50712fc2a59da7878e0c2
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SSDEEP
3072:ueSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLK8fJS:uVYrJrOSsRwcpo8fJS
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-1-5-21-1337824034-2731376981-3755436523-1000\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/0x000700000002340a-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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation iaccess32.exe -
Executes dropped EXE 1 IoCs
pid Process 1848 iaccess32.exe -
Loads dropped DLL 1 IoCs
pid Process 5056 regsvr32.exe -
resource yara_rule behavioral2/memory/4132-0-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x0008000000022f51-5.dat upx behavioral2/memory/4132-4-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/1848-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x000700000002340a-27.dat upx behavioral2/memory/1848-55-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/1848-61-0x0000000000400000-0x000000000042E000-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\20100624070617\Common\module.php iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_logo_2.gif iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_go_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\dialerexe.ini iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Multi\20100624070617\dialerexe.ini iaccess32.exe File created C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_1_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_2_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e_3_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\medias\p2e.ico iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20100624070617\instant access.exe iaccess32.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File created C:\Windows\egdhtm_pack.epk iaccess32.exe File created C:\Windows\iaccess32.exe 217c609d7b52de707bdfcccc374217d6_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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 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 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 -
Runs regedit.exe 1 IoCs
pid Process 3464 regedit.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4132 217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe 1848 iaccess32.exe 1848 iaccess32.exe 1848 iaccess32.exe 1848 iaccess32.exe 1848 iaccess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4132 wrote to memory of 1848 4132 217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe 80 PID 4132 wrote to memory of 1848 4132 217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe 80 PID 4132 wrote to memory of 1848 4132 217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe 80 PID 1848 wrote to memory of 3464 1848 iaccess32.exe 81 PID 1848 wrote to memory of 3464 1848 iaccess32.exe 81 PID 1848 wrote to memory of 3464 1848 iaccess32.exe 81 PID 1848 wrote to memory of 5056 1848 iaccess32.exe 82 PID 1848 wrote to memory of 5056 1848 iaccess32.exe 82 PID 1848 wrote to memory of 5056 1848 iaccess32.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\217c609d7b52de707bdfcccc374217d6_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4132 -
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
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Windows\SysWOW64\regedit.exe"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert20073⤵
- Manipulates Digital Signatures
- Runs regedit.exe
PID:3464
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Windows\system32\egaccess4_1071.dll"3⤵
- Loads dropped DLL
- Modifies registry class
PID:5056
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵PID:4648
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5683d61119f0169dce3b4500c8606fbf0
SHA174c990a25a2b743147489f101f278992cf84a503
SHA2563bca15c2aa36750c1cc85b37c021cddfb17f561715f509d65c05b544eab541e1
SHA5125fb10326cac60b36267e126d4cb0dddf4238acb9314a7a59deb7127a5679586dd5df184b64f65e0db9ab6c8faff26504350e08cdd85438ffdd76ab90f4164d9a
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Filesize
2KB
MD5683b6e4c1954880397d59e25330c3a1a
SHA114c461932bbf8078e9c088912f9f10a4a29bea3b
SHA256e729aef60d1e9e9f723a36bb57e01b53ebe3c259302cfa3f7da1e0146d6eacc0
SHA512dc1b83893e09fd307899f189f28b83eea2bd76251644837d17ce14b0aca5da99a2742dac72573c270989eeeb4efe4fced7c2d592548d954ae4f9a0063471f044
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Filesize
76KB
MD5b83f652ffa76451ae438954f89c02f62
SHA1b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd
SHA256f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f
SHA512965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83
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Filesize
587B
MD5478c6732cbda9f9ddf5ada5512bd25e0
SHA16294e03b5d4c2dc948f3c93de3b8b7b2df752f18
SHA2565c6b3b423ddc1c1de3210855150a511ecb0f160abcc57d69b7584e7094726389
SHA512381750cdcdc353d2d6df2003093ea5675c3cd09236aa5c2d9a95b7959c028102a65ceb2bc87f2f8ea1fc09f2f3bccb0a29222c3af11662bb1423b2e87e04be5b
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Filesize
123KB
MD50f8953e823f5381d276e52ce4e630e47
SHA1fcdbd604d78d84c16ecf4fb809903191c3003d61
SHA256454528266e761d682d46f582d6d66b91317162fc5e4156d97db5a8c4ba762581
SHA51257f3e739afe20fef05731cdcb04b2a9b818fa062a5af4326c7caab58c9b3ebaa72bf808e3a1fc0c89726267cdbf5e9bd5acafdc2aa08b9429e6fca5e77ed2816
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Filesize
6KB
MD5b103757bc3c714123b5efa26ff96a915
SHA1991d6694c71736b59b9486339be44ae5e2b66fef
SHA256eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48
SHA512d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1