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Analysis
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max time kernel
143s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25/12/2024, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
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Size
757KB
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MD5
8dcbf7ea62059c8b10246754c3c9b800
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SHA1
177493084646918c0b6bed606be6dc2901cab25b
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SHA256
1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c
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SHA512
4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a
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SSDEEP
12288:6ZUbR65iysDBtkrNmNSVAk2+vFi5thNVlZB+KSNPR7EOuMceBhvTWwSMmgOQzQmx:vR6JSarANSV12AEhNX+5N9oMcOv6wSMo
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.qpss
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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/1868-2-0x0000000000750000-0x000000000086B000-memory.dmp family_djvu behavioral1/memory/2412-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2412-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2412-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2412-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-51-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-61-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-64-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-67-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2336-68-0x0000000000400000-0x0000000000537000-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 2728 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\1047fc70-f1e6-4d3d-bd58-789edf8e33e5\\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe\" --AutoStart" JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.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 1868 set thread context of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 2640 set thread context of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 -
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_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 2336 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 1868 wrote to memory of 2412 1868 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 28 PID 2412 wrote to memory of 2728 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 29 PID 2412 wrote to memory of 2728 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 29 PID 2412 wrote to memory of 2728 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 29 PID 2412 wrote to memory of 2728 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 29 PID 2412 wrote to memory of 2640 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 30 PID 2412 wrote to memory of 2640 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 30 PID 2412 wrote to memory of 2640 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 30 PID 2412 wrote to memory of 2640 2412 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 30 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31 PID 2640 wrote to memory of 2336 2640 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2728
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2336
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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
MD53d80cddbccda3212901fcc92500202a9
SHA14715c55c082734850d8f434703a958d390dc0386
SHA25615c2903f2436f88ba87f1224ed998052aaac8e5207678e86edf46f8cfe9f425d
SHA512c5f4b3e94a7b5f792a00f3e43161b335c32f72c6c0f477e367e559fcb1663890fd3dd54495525ef0f77e3752859df769baa460d02218906ed3f0b79789127f4b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5e91beca4005621138f9869d2fe643d47
SHA1ee3778de5f6237763515698d3b4a5d8f6617c965
SHA25629b9a2359cc093740a136fcfec7ffdcffc9bcec6942f74c75ff646859df686b5
SHA51275d9549128571b100f35aff22cd684ae444552efa9f5773dea4954e5df02df9d7953dce765a62ec113553d9b36b19724e1fa876152aa3ff4e1f4072b982b91e1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD57b76ccf229165f352a25c2a83fb6b377
SHA113724a1fc194b14a1fcff52714460420d28113af
SHA25671a4be497e862f1a0f3bba50176070cf7c218c03f08fd1a4d68033048ea8b2fa
SHA51225e7570fa455237bbaedd93755e8caeaab97075091cc567c3c0389cb56ed935ccd3de672a74030bab9b5299a2b38711406467dea147e5e5d6fe0151e201cbcc6
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C:\Users\Admin\AppData\Local\1047fc70-f1e6-4d3d-bd58-789edf8e33e5\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Filesize757KB
MD58dcbf7ea62059c8b10246754c3c9b800
SHA1177493084646918c0b6bed606be6dc2901cab25b
SHA2561fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c
SHA5124ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b