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Analysis
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max time kernel
142s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 18 IoCs
resource yara_rule behavioral2/memory/1596-2-0x0000000002220000-0x000000000233B000-memory.dmp family_djvu behavioral2/memory/4928-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4928-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4928-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4928-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4928-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1964-49-0x0000000000400000-0x0000000000537000-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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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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1724 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b16ccb08-85ad-4436-80fd-f6f243c8d753\\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 6 api.2ip.ua 7 api.2ip.ua 19 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1596 set thread context of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1184 set thread context of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 -
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 icacls.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 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 1964 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 1964 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 1596 wrote to memory of 4928 1596 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 83 PID 4928 wrote to memory of 1724 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 84 PID 4928 wrote to memory of 1724 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 84 PID 4928 wrote to memory of 1724 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 84 PID 4928 wrote to memory of 1184 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 85 PID 4928 wrote to memory of 1184 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 85 PID 4928 wrote to memory of 1184 4928 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 85 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87 PID 1184 wrote to memory of 1964 1184 JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe 87
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:1596 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\b16ccb08-85ad-4436-80fd-f6f243c8d753" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:1724
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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:1184 -
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:1964
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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
MD50e413b9ac2593add551efe8a1b49ca66
SHA11c26817f00188cc1dccd911e01d17be4bd42ecd6
SHA256915bfb04f96dad72413323559e5d7248adb765aaa311a4723a04f0d3b3bdbaac
SHA512630b70d5eede9fcbc940aad54378439a9f3f8ed6a7ba48d448a2d0c0db34ed2e6f5a5b8740d708d5a59f366427bd67be4bb1503761c27a9ef7b7a331d98948d6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD54701f5dc4d9de085389c2aaaf96ed898
SHA19b7b236a2a388812b0e406ad6083ec57dfffbe58
SHA2568eb9382197f6c53ccec5b62d199d59a6042e29c4651e49cf8e31a160634c63ee
SHA5123e97536bb2c0ed6ac9bce2435c9943db3dd40576186b80e0adb22fab032f346f7b3b1f1f0d588cc8974e7acef6f93e00ec81b51f091173d6b7a69dcc1fe893ff
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C:\Users\Admin\AppData\Local\b16ccb08-85ad-4436-80fd-f6f243c8d753\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Filesize757KB
MD58dcbf7ea62059c8b10246754c3c9b800
SHA1177493084646918c0b6bed606be6dc2901cab25b
SHA2561fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c
SHA5124ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a