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Analysis
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max time kernel
146s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
22/12/2024, 11:39
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe
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Size
783KB
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MD5
2adedc39f822fa5e267cf3891af3fe2d
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SHA1
a2660f71a9f1bdfb42c853bb6c4fc9fd762a67b2
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SHA256
4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5
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SHA512
96ed8ceef6864e348f07bd27720434c3520b6f585953a898bde190be0a6e1501ddd2322528fa7542c48d2bf8e63b8e5e8573ccd9028aae0d4fe1c3d1cdf27a54
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SSDEEP
12288:+RVoq1sBzVgxeW7RjsykaADcjxg13WKlHs8XByGFacVz//2rcI9najt2HIr1sO6z:WX2z0e2jADI8b+8RVzUcIS2HIWvp
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.ghas
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offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2328-2-0x00000000004F0000-0x000000000060B000-memory.dmp family_djvu behavioral1/memory/2616-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2616-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2616-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2616-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-49-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-63-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-65-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3052-67-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Djvu family
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Modifies file permissions 1 TTPs 1 IoCs
pid Process 472 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c388e415-82bc-461e-acb5-7b82243f3ad0\\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe\" --AutoStart" JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2328 set thread context of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2876 set thread context of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 -
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 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 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 3052 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 3052 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2328 wrote to memory of 2616 2328 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 30 PID 2616 wrote to memory of 472 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 31 PID 2616 wrote to memory of 472 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 31 PID 2616 wrote to memory of 472 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 31 PID 2616 wrote to memory of 472 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 31 PID 2616 wrote to memory of 2876 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 32 PID 2616 wrote to memory of 2876 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 32 PID 2616 wrote to memory of 2876 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 32 PID 2616 wrote to memory of 2876 2616 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 32 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33 PID 2876 wrote to memory of 3052 2876 JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2616 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c388e415-82bc-461e-acb5-7b82243f3ad0" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:472
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2876 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD567e486b2f148a3fca863728242b6273e
SHA1452a84c183d7ea5b7c015b597e94af8eef66d44a
SHA256facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb
SHA512d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD57c97fd99763218177802908a58c56f9f
SHA164e6fd32dca24a89e053d5e978263a863f1bb7dc
SHA256a70e7e9283e0165e5eec64a5ee78a14b157c2544053ca39c0b7e3a9f0fbdb103
SHA512628f043a8c1aeb0d4b136185a57b6c8d34eaf43b6dc7951de373c261dcb58515d52974695074d41153efe46621d6bb28da95434a6a71ec37366820f2d1bbfe9f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5f642a9107a0d2f0ea3493f36b01d02df
SHA11b0cb3dc51124ab5949c737a80ff2c2c32d0b688
SHA256c01dabfe2ff148cbb2dcae6f14723191b0adb6e52887883ad3c05a64d5e2c4a7
SHA512c4894e9e5da858c8f5656fd794c2bd0a53467c86900d0e26398b0a43ed37afd37edd6b22f5c4c86b7f2c980302f218696f101689460cb1f0b9cefba44d4e9c60
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\Local\c388e415-82bc-461e-acb5-7b82243f3ad0\JaffaCakes118_4425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5.exe
Filesize783KB
MD52adedc39f822fa5e267cf3891af3fe2d
SHA1a2660f71a9f1bdfb42c853bb6c4fc9fd762a67b2
SHA2564425d282749cc2e38eb9e2d1506578b57277cd83ea7676236984c51b290f0dc5
SHA51296ed8ceef6864e348f07bd27720434c3520b6f585953a898bde190be0a6e1501ddd2322528fa7542c48d2bf8e63b8e5e8573ccd9028aae0d4fe1c3d1cdf27a54