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Analysis
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max time kernel
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max time network
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platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
18/01/2025, 16:35
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe
Resource
win10ltsc2021-20250113-en
Behavioral task
behavioral3
Sample
JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe
Resource
win11-20241007-en
General
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Target
JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe
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Size
781KB
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MD5
f510384bacc30d8c4fb9e7b69d65b185
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SHA1
56f69e4ccafc32d278781c3494a43e132f63868b
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SHA256
5452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
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SHA512
2a1dedc0bfa5a7520d1842ec39a964ab9d34625efef22be315720a260ac695832a862ab6357f7d9490da7308fb52c898592e9b04f1f7006f31c4b71bd1c4a333
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SSDEEP
12288:JKpD2QkyuNMX/HiKt6LAQF/bRBlB3BgxAoIaRYHk2gIkXYbsqLMxD:JwSQkLNM/i86cQ5NBl7gxpdwfbsqLM
Malware Config
Extracted
djvu
http://rlrz.org/fhsgtsspen6/get.php
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extension
.maql
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offline_id
xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1
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payload_url
http://znpst.top/dl/build2.exe
http://rlrz.org/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-pk3SGFlmek Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0340gSd743d
Signatures
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Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral3/memory/1900-1-0x0000000004F60000-0x000000000507B000-memory.dmp family_djvu behavioral3/memory/4108-2-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/4108-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/4108-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/4108-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/4108-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral3/memory/3716-40-0x0000000000400000-0x0000000000537000-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 276 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3587106988-279496464-3440778474-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\74d545a5-0759-445c-a170-b6d16b6fb00d\\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe\" --AutoStart" JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.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 1 api.2ip.ua 2 api.2ip.ua 6 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1900 set thread context of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 128 set thread context of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 -
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_f510384bacc30d8c4fb9e7b69d65b185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 3716 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 3716 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 1900 wrote to memory of 4108 1900 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 77 PID 4108 wrote to memory of 276 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 78 PID 4108 wrote to memory of 276 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 78 PID 4108 wrote to memory of 276 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 78 PID 4108 wrote to memory of 128 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 79 PID 4108 wrote to memory of 128 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 79 PID 4108 wrote to memory of 128 4108 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 79 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82 PID 128 wrote to memory of 3716 128 JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\74d545a5-0759-445c-a170-b6d16b6fb00d" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:276
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:128 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3716
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c9be626e9715952e9b70f92f912b9787
SHA1aa2e946d9ad9027172d0d321917942b7562d6abe
SHA256c13e8d22800c200915f87f71c31185053e4e60ca25de2e41e160e09cd2d815d4
SHA5127581b7c593785380e9db3ae760af85c1a889f607a3cd2aa5a2695a0e5a0fe8ee751578e88f7d8c997faeda804e2fc2655d859bee2832eace526ed4379edaa3f5
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5f6ea4b457af25b3d0bce33870b1cabd6
SHA1f568f51e1302b410e479338aa31faeaf894e0b9b
SHA256a84b97f26c2a19395adb328b94da8c96ded1fe49c74db9b653b2bbae6ee95163
SHA512bd4743a02f23ca5bee6f733fdcc7ce5d4afd6eb293c725c6223fd3405194c2e187413fd258181bbd7f083462dc8623377bb7f7ed8da1b633b2e56a2d1f42394c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5407f196d066040937af40cf995964606
SHA1e95188cd2bae66aa12239e0735814572fc84e2a7
SHA256d835d6a697360d0064b17c81df20777737874bc3c0eb4bd2ad810898b37acf99
SHA5125d976be6e78e546a14d21ac3e03ecd76ae5d50c8608b45317875258dfaba11871b52509e864ac24f63ba2ca5f1fc3a358bd6fb20d705b2a6466a491f42410355
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C:\Users\Admin\AppData\Local\74d545a5-0759-445c-a170-b6d16b6fb00d\JaffaCakes118_f510384bacc30d8c4fb9e7b69d65b185.exe
Filesize781KB
MD5f510384bacc30d8c4fb9e7b69d65b185
SHA156f69e4ccafc32d278781c3494a43e132f63868b
SHA2565452492faf9dddebb689c54a2f2d932de2a2b6e17e03d1c2c91f3afdc89ed164
SHA5122a1dedc0bfa5a7520d1842ec39a964ab9d34625efef22be315720a260ac695832a862ab6357f7d9490da7308fb52c898592e9b04f1f7006f31c4b71bd1c4a333