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Analysis
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max time kernel
146s -
max time network
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platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
09/12/2024, 14:56
Static task
static1
Behavioral task
behavioral1
Sample
da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe
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Size
782KB
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MD5
da2ce64532fe32372e34458b02c0e032
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SHA1
0f5cc19834f2dcead03d3e62fa39a26c3772b04a
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SHA256
aad0854fb6d2fa53eca336eeaca4b6fbe3c7a0b038b992e52bc0623eb8f7ae2f
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SHA512
9e436a1ed1a2c1a9833831c661c3f9e741f760251c6ab4a02b59c2dac4ae5b57ac0bf9395aac63c27f24cf1230d72093f9c413a0e16ba323f0714d22870d589e
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SSDEEP
24576:ouaEEXz/tVsSAo7xUv9J1UY6BRvcXzrX/I/i+:oXPhVsSAeGVJZ6BOD7O
Malware Config
Extracted
djvu
http://securebiz.org/fhsgtsspen6/get.php
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extension
.tisc
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offline_id
uFHwN7bjwCkJEeUg8JHISzLqrwudidH8XsPzHDt1
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payload_url
http://znpst.top/dl/build2.exe
http://securebiz.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-1JwFK5rT39 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: 0336gSd743d
Signatures
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Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2432-2-0x0000000000A00000-0x0000000000B1B000-memory.dmp family_djvu behavioral1/memory/2216-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2216-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2216-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2216-27-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-51-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-59-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-58-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2796-60-0x0000000000400000-0x0000000000537000-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 3020 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c0e7eabf-0b5b-4f50-9334-8852211eec34\\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe\" --AutoStart" da2ce64532fe32372e34458b02c0e032_JaffaCakes118.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 5 api.2ip.ua 9 api.2ip.ua 4 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2432 set thread context of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2908 set thread context of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 -
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 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 2796 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 2796 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2216 2432 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 30 PID 2216 wrote to memory of 3020 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 32 PID 2216 wrote to memory of 3020 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 32 PID 2216 wrote to memory of 3020 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 32 PID 2216 wrote to memory of 3020 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 32 PID 2216 wrote to memory of 2908 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 33 PID 2216 wrote to memory of 2908 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 33 PID 2216 wrote to memory of 2908 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 33 PID 2216 wrote to memory of 2908 2216 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 33 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34 PID 2908 wrote to memory of 2796 2908 da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c0e7eabf-0b5b-4f50-9334-8852211eec34" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:3020
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C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908 -
C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2796
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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
MD551841967f80fee6d1004b19c95cd2b2d
SHA1893e34317e6bb59350978ba87fb40b756f090853
SHA256d89a23f86420c37ca5fcf8bc717a43b41899d8bde485fcd0f1ade0e816bb606a
SHA512974cec0a72cbb161ff50b0cc6d1c6ef64a92f84bf1e63927ca6803ed13974673d1d363e66943d9a376d50bf9dbea52bb3ec2eb20b4621ff1ec62c5a33ecc34ee
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5168e52ab3f6cac9f36fda879ab62fa30
SHA1a9b59a62eaf921741a53a9068a64a8c2473d48a4
SHA25675187d8ab0293ad6e1542606a63592003be1286569656ab0bb32a797a7418040
SHA5122fd45b90e1033d6ec17d23e6f6b0687ec8513bbd0ea673f1f75f762d94f92ea38ac53864b43a85d75d8da2406b3942da839a88a79ac99bf42f4eae0489763923
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\Local\c0e7eabf-0b5b-4f50-9334-8852211eec34\da2ce64532fe32372e34458b02c0e032_JaffaCakes118.exe
Filesize782KB
MD5da2ce64532fe32372e34458b02c0e032
SHA10f5cc19834f2dcead03d3e62fa39a26c3772b04a
SHA256aad0854fb6d2fa53eca336eeaca4b6fbe3c7a0b038b992e52bc0623eb8f7ae2f
SHA5129e436a1ed1a2c1a9833831c661c3f9e741f760251c6ab4a02b59c2dac4ae5b57ac0bf9395aac63c27f24cf1230d72093f9c413a0e16ba323f0714d22870d589e