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Analysis
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max time kernel
129s -
max time network
100s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24/06/2024, 15:28
Behavioral task
behavioral1
Sample
0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe
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Size
183KB
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MD5
0950f35841d1aa42bf7b7ba119fa499d
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SHA1
899c66dfda214b5a558e20e7031eb92e3648c440
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SHA256
e24b2f218f2df63a1b9d077ca72ef95666fd949adcce85981102382bba50cecb
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SHA512
49b2aa2866d715f341676b47682081fa78ad77368ff6a8d1ca19b5cfe950c329b797729e4a7a5655109b65036e9ccc3e365a5fc2d843fc32e9b592709116481d
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SSDEEP
3072:kamFnQYUM6m3SP2sVSdEnfWZN3cbgonk9sX1qalYuhLJNdjQVVTuP5J85Vi9iqVB:kazq3aipalYuhoao5sQkzSi
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-1-5-21-2539840389-1261165778-1087677076-1000\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/0x00070000000233bf-26.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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation iaccess32.exe -
Executes dropped EXE 1 IoCs
pid Process 2976 iaccess32.exe -
Loads dropped DLL 1 IoCs
pid Process 4448 regsvr32.exe -
resource yara_rule behavioral2/memory/1360-0-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x000600000002326f-3.dat upx behavioral2/memory/1360-6-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/2976-5-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/files/0x00070000000233bf-26.dat upx behavioral2/memory/2976-59-0x0000000000400000-0x000000000042E000-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\20110121230141\dialerexe.ini iaccess32.exe File opened for modification C:\Program Files (x86)\Instant Access\Multi\20110121230141\dialerexe.ini 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 File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_3_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\instant access.exe iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\Common\module.php iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_logo_2.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_2_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_go_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e_1_3.gif iaccess32.exe File created C:\Program Files (x86)\Instant Access\Multi\20110121230141\medias\p2e.ico iaccess32.exe File created C:\Program Files (x86)\Instant Access\DesktopIcons\NOCREDITCARD.lnk iaccess32.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File created C:\Windows\iaccess32.exe 0950f35841d1aa42bf7b7ba119fa499d_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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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 984 regedit.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1360 0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe 2976 iaccess32.exe 2976 iaccess32.exe 2976 iaccess32.exe 2976 iaccess32.exe 2976 iaccess32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1360 wrote to memory of 2976 1360 0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe 80 PID 1360 wrote to memory of 2976 1360 0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe 80 PID 1360 wrote to memory of 2976 1360 0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe 80 PID 2976 wrote to memory of 984 2976 iaccess32.exe 81 PID 2976 wrote to memory of 984 2976 iaccess32.exe 81 PID 2976 wrote to memory of 984 2976 iaccess32.exe 81 PID 2976 wrote to memory of 4448 2976 iaccess32.exe 82 PID 2976 wrote to memory of 4448 2976 iaccess32.exe 82 PID 2976 wrote to memory of 4448 2976 iaccess32.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0950f35841d1aa42bf7b7ba119fa499d_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360 -
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:2976 -
C:\Windows\SysWOW64\regedit.exe"C:\Windows\System32\regedit.exe" /s C:\Windows\tmlpcert20073⤵
- Manipulates Digital Signatures
- Runs regedit.exe
PID:984
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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:4448
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv1⤵PID:1404
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d7e01a96de91b04719cb6d5aec1b3dde
SHA1d81b1444bd45c9fffe9e98b6ff58f508868246f3
SHA25689531fc351e3e13d3f82d812173a0174e0eada515eb5f72be2590a3b7941901b
SHA5123f01ddf8cf49cece4a643ed93e1c2286919d93bb30383453cb1406c98920b7cb71a4a1cb668ddb6bff2cef62b14349482a3ec89e031ed8844d640422d5910881
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Filesize
669B
MD5d0ce3bfc4135993ae9582d1739e81bb7
SHA15707b3047d9cc3adb5ebb0c7780defa45f55d60e
SHA2560ec5130732a23646a243936f60fe4ac68f78450ea5a1865eb3e8b3bc0495e19d
SHA512e1c3df68d3f4f037ca47ce03542e5757f81149ddf67b7f14e4387a85993bfdcd1877a762a56281c932411564c4fee113f76ed68109d5e1c5791580296175e5e4
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Filesize
76KB
MD5b83f652ffa76451ae438954f89c02f62
SHA1b3ba0014dd16cee5f6d4cfe7e28b2d5de79dc6dd
SHA256f601991aa00cbe7001197affc0e3854ab76c51c05b9a6ca3e3f708fed876c32f
SHA512965172a5ecd070ea6707ec9985ee3c135c06534561b90ae233e8049b247d87d529b8280f0faf2b0ed933f59c68844414726fa80c4d3119cffa4fdd1cb60eab83
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Filesize
183KB
MD5a32b2422812ac4937f8528de6a4d98f1
SHA13a71322a315787c02594505299ee4194ed21ee29
SHA256aaf9cb6d463e0622c469557ecf68d5db19b7556f595eed44294de6b1a58095c1
SHA512da0026a22b86868484f3ddca85c0a76086ab70cade215939ec106ddc1d280feb37fe661c01d0f347441a5a7c5abcdda583972636affa575a15202bb95cd30671
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Filesize
6KB
MD5b103757bc3c714123b5efa26ff96a915
SHA1991d6694c71736b59b9486339be44ae5e2b66fef
SHA256eef8937445f24c2bcbe101419be42694e0e38628653a755ab29ecba357d81d48
SHA512d04f2ab14ad4d3e06ea357b4c810515d73b32f2650533a5895ebf5d14b4b697752f25c0c371372e00faab661c0b051c33b8c25bf1226f30be5d6b8727dea81e1