Analysis
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max time kernel
140s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
26-11-2024 01:29
Behavioral task
behavioral1
Sample
9f0d893010726164e0433e3621deb304_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
9f0d893010726164e0433e3621deb304_JaffaCakes118.exe
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Size
123KB
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MD5
9f0d893010726164e0433e3621deb304
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SHA1
30db6fda7b73c7eacca7f2a29988d742d5f1d3aa
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SHA256
e1a909f2a2495422b0aa7ab2e414f3820053538e962bb5d403debaa97756baca
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SHA512
eb37387c4795de4e2302f2a8ee5cc179b9de66370da16aba5f9342b31462fb9b2f16912dfd565093527690feefeeae71d8f5147edc005795599271ed30a726f4
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SSDEEP
3072:OeSQ41MZrrOwzrq5Ss9eYfphfFQkUcot3EpeBWLLDOdz:OVYrJrOSsRwcpxSz
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.
Processes:
regedit.exedescription ioc process Set value (data) \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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.
Processes:
resource yara_rule C:\Windows\SysWOW64\egaccess4_1071.dll acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
iaccess32.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation iaccess32.exe -
Executes dropped EXE 1 IoCs
Processes:
iaccess32.exepid process 4844 iaccess32.exe -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 4764 regsvr32.exe -
Drops file in System32 directory 1 IoCs
Processes:
iaccess32.exedescription ioc process File created C:\Windows\SysWOW64\egaccess4_1071.dll iaccess32.exe -
Processes:
resource yara_rule behavioral2/memory/1476-0-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Windows\iaccess32.exe upx behavioral2/memory/4844-5-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/1476-7-0x0000000000400000-0x000000000042E000-memory.dmp upx C:\Windows\SysWOW64\egaccess4_1071.dll upx behavioral2/memory/4764-29-0x0000000010000000-0x0000000010047000-memory.dmp upx behavioral2/memory/4844-63-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 13 IoCs
Processes:
iaccess32.exedescription ioc process File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\Common\module.php iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e_logo_2.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e_go_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\dialerexe.ini iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Multi\20110116080116\dialerexe.ini iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\instant access.exe iaccess32.exe File created C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e_1_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e_2_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e_3_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110116080116\medias\p2e.ico iaccess32.exe File created C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Center\NOCREDITCARD.lnk iaccess32.exe -
Drops file in Windows directory 6 IoCs
Processes:
iaccess32.exe9f0d893010726164e0433e3621deb304_JaffaCakes118.exedescription ioc process File created C:\Windows\egdhtm_pack.epk iaccess32.exe File created C:\Windows\iaccess32.exe 9f0d893010726164e0433e3621deb304_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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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.
Processes:
9f0d893010726164e0433e3621deb304_JaffaCakes118.exeiaccess32.exeregedit.exeregsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9f0d893010726164e0433e3621deb304_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
Processes:
iaccess32.exedescription ioc process Key created \REGISTRY\USER\À iaccess32.exe -
Modifies registry class 4 IoCs
Processes:
regsvr32.exedescription 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
Processes:
regedit.exepid process 4112 regedit.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
9f0d893010726164e0433e3621deb304_JaffaCakes118.exeiaccess32.exepid process 1476 9f0d893010726164e0433e3621deb304_JaffaCakes118.exe 4844 iaccess32.exe 4844 iaccess32.exe 4844 iaccess32.exe 4844 iaccess32.exe 4844 iaccess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
9f0d893010726164e0433e3621deb304_JaffaCakes118.exeiaccess32.exedescription pid process target process PID 1476 wrote to memory of 4844 1476 9f0d893010726164e0433e3621deb304_JaffaCakes118.exe iaccess32.exe PID 1476 wrote to memory of 4844 1476 9f0d893010726164e0433e3621deb304_JaffaCakes118.exe iaccess32.exe PID 1476 wrote to memory of 4844 1476 9f0d893010726164e0433e3621deb304_JaffaCakes118.exe iaccess32.exe PID 4844 wrote to memory of 4112 4844 iaccess32.exe regedit.exe PID 4844 wrote to memory of 4112 4844 iaccess32.exe regedit.exe PID 4844 wrote to memory of 4112 4844 iaccess32.exe regedit.exe PID 4844 wrote to memory of 4764 4844 iaccess32.exe regsvr32.exe PID 4844 wrote to memory of 4764 4844 iaccess32.exe regsvr32.exe PID 4844 wrote to memory of 4764 4844 iaccess32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9f0d893010726164e0433e3621deb304_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\9f0d893010726164e0433e3621deb304_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1476 -
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:4844 -
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:4112
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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:4764
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵PID:632
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD59c8ae0e7739b26ee83559242ad0714f6
SHA16274ba941a70b2d2315dbb6946228152593fa5b7
SHA2568f1d6f11330f270c7cb055c067a3959f7cc10bd6e4e6f65b1e501dc8dad0753b
SHA5128dc2f679e7f95ccdcda9107edcb56c7886fa4f24a7472907e380674dbe6d22e6fa457d1d0927dd5d2d91a80ff53f8943946a0ad6e89d9e4da89b7aa405f06319
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Filesize
668B
MD56cac426eadb4614feb9644d71af22827
SHA11c3680b40c624344212db4b0ceb134ee28eff627
SHA2568903c59fff61b320b1c35a99d6e8834574f27efb023da24dbec2834b7c5673c4
SHA5124f45dac4e3c830810d38c3449007b3d2bec471fa2671fba952967559193c602065592b5080fd664518382d94e071bc3c0ac582f4250eda64ad1fa87180f74c14
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Filesize
76KB
MD5b83f652ffa76451ae438954f89c02f62
SHA1b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd
SHA256f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f
SHA512965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83
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Filesize
123KB
MD5dcf65bcea002d717a8e386d9f327aa37
SHA11028f8f226297c105b90fdd1f2542d20a0a079ac
SHA256e175ad3e20b180a2754e8f209d63310601026b2e1d9d86485b2d9a4bde78afa2
SHA512715a0964d3fc590d1705dd4feb91d95e6551da330952ede671a0959f9f52d46ce0f6aa1bcc22f8023f27c6aed4ded819a93d43ab7c363f78a1f32f09bdbb317e
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Filesize
6KB
MD5b103757bc3c714123b5efa26ff96a915
SHA1991d6694c71736b59b9486339be44ae5e2b66fef
SHA256eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48
SHA512d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1