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Analysis
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max time kernel
145s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30/12/2024, 22:48
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe
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Size
823KB
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MD5
b1dc0821d7a3beb1ab6275b0fddf2ea7
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SHA1
f2e20326079083b3148a45fefee85128f6df1472
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SHA256
30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c
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SHA512
39d26d805e77dba631e5fbd62c346c3e401f3826d2c89c65c4503f8be6fe8148414244d558a69823af8ca8e6ce357043abd0592dd7a29b8da9ed02cac0fc9e7f
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SSDEEP
12288:LG6IxduDAtyEwzC+Ij0JNWR12A0qqcR8a/Xj/dqwpCve5exgyI25To11PfCBo:LG6I1kzcoJNWjn5D5q7e5JC5ToPPKB
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.nuhb
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offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.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-c565B1ILoZ 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: 0453Jbdio
Signatures
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Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2708-7-0x0000000001CD0000-0x0000000001DEB000-memory.dmp family_djvu behavioral1/memory/2848-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2848-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2848-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2848-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-40-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-63-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-68-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-69-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-66-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3048-70-0x0000000000400000-0x0000000000537000-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 2672 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\94f4fc4c-4816-4562-b055-8a4bd424046a\\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe\" --AutoStart" JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.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 2708 set thread context of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2556 set thread context of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.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 icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 3048 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 3048 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2708 wrote to memory of 2848 2708 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 31 PID 2848 wrote to memory of 2672 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 32 PID 2848 wrote to memory of 2672 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 32 PID 2848 wrote to memory of 2672 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 32 PID 2848 wrote to memory of 2672 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 32 PID 2848 wrote to memory of 2556 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 33 PID 2848 wrote to memory of 2556 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 33 PID 2848 wrote to memory of 2556 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 33 PID 2848 wrote to memory of 2556 2848 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 33 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34 PID 2556 wrote to memory of 3048 2556 JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\94f4fc4c-4816-4562-b055-8a4bd424046a" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2672
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3048
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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
MD5c8a977417620c29d6874efe924b1e170
SHA1c84d2aa07b1565cdf7776221c73a3f8af81dbbaa
SHA2567f7dd5a6d31f4eaa0dd54f4087c2a23d77f46d45704b93d59d358c45525692e9
SHA512644d2951af459a76a90593cfb88d3dab3e7a504a4c5f948e9f95432d5367ecfe51de064a45f55f430d477d13ad9377dc605deb633024783242f9bc01e5a995ff
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5c695bb2c35d2b104e8a6b44ae9616b0b
SHA1a80266057fe6640657dd8c4360cd83b73043cb2a
SHA256f5d6cef87fd4c12a47808779fb0763dec80581366271b324bdce4d083c22f262
SHA51261cb3c0a627a3d61b229fc195e8e685aa8a572c10141842d15809a0919b280a0a8a7512b8644567303747c8600d71c3f762cd93ffb9f4078ed262b16741480be
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD50100c42f116d76684e2675ee915a702b
SHA128c77b8025a87c9eb853c485fabae4466fe38ff2
SHA256701883ccc00c410f85664c06200bd4a8e6db6841634483352a401420a35f3537
SHA512ef326cb2e66a4eb90e57e5b06d41ea41b3336e41efa2174334de9f360d62aa659c3516240422386a3965a476ce1756847105719b3604b9522a7fc5dfbd1c1265
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C:\Users\Admin\AppData\Local\94f4fc4c-4816-4562-b055-8a4bd424046a\JaffaCakes118_30a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c.exe
Filesize823KB
MD5b1dc0821d7a3beb1ab6275b0fddf2ea7
SHA1f2e20326079083b3148a45fefee85128f6df1472
SHA25630a3db8a5b8a6dd193bc6e14f130c297cc82cf3fcc100a269f991ccb307a6b3c
SHA51239d26d805e77dba631e5fbd62c346c3e401f3826d2c89c65c4503f8be6fe8148414244d558a69823af8ca8e6ce357043abd0592dd7a29b8da9ed02cac0fc9e7f
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b