Analysis
-
max time kernel
148s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/04/2024, 05:21
Static task
static1
Behavioral task
behavioral1
Sample
e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
-
Target
e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe
-
Size
799KB
-
MD5
e950889fc7f88cbc4408d934e2e220f6
-
SHA1
cefca2c4538365655cb1eead3f3390313b9ea18a
-
SHA256
a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879
-
SHA512
82b07bab3625f0f6abd85f477ebcd6df334ac1f7e9a186dea82e9101c14b4990ad461aa552df27ba3b121b799c2f164335524b1309f7bb96ef1eead5675ad7bb
-
SSDEEP
12288:LVHqYgXjvWYZeTPFWz5RNUDIFUEW00h/HsS54HWuE:LVKvXj7ZeTd8/0IyT00/54HW
Malware Config
Extracted
djvu
http://astdg.top/fhsgtsspen6/get.php
-
extension
.nooa
-
offline_id
PLtnD1U6oAmgxgJ2nJik1mY9SwUQg07CiN0zSet1
-
payload_url
http://securebiz.org/dl/build2.exe
http://astdg.top/files/1/build3.exe
-
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-CnI3tI6Ktv 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: 0322gDrgo
Signatures
-
Detected Djvu ransomware 15 IoCs
resource yara_rule behavioral1/memory/2084-4-0x0000000002D00000-0x0000000002E1B000-memory.dmp family_djvu behavioral1/memory/1780-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1780-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1780-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1780-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-49-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-56-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-57-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2428-58-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Modifies file permissions 1 TTPs 1 IoCs
pid Process 2412 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\53b29552-40bb-424c-b5c6-c1f6011e9abf\\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe\" --AutoStart" e950889fc7f88cbc4408d934e2e220f6_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 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2084 set thread context of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2628 set thread context of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 2428 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 2084 wrote to memory of 1780 2084 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 28 PID 1780 wrote to memory of 2412 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 29 PID 1780 wrote to memory of 2412 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 29 PID 1780 wrote to memory of 2412 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 29 PID 1780 wrote to memory of 2412 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 29 PID 1780 wrote to memory of 2628 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 30 PID 1780 wrote to memory of 2628 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 30 PID 1780 wrote to memory of 2628 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 30 PID 1780 wrote to memory of 2628 1780 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 30 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31 PID 2628 wrote to memory of 2428 2628 e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1780 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\53b29552-40bb-424c-b5c6-c1f6011e9abf" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:2412
-
-
C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2428
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize1KB
MD5580071ebd24cccfd9268e1474bb8134e
SHA1443665efe7009fe1d4c5bc4786dc9cc540e59ef6
SHA25653e3fd53196b53d23b724612cf2704518edf3e979dca02f5674ac419b5f7b461
SHA51213d52455d8a30a0af06c420cd01f13f55efc4c55b59883c5208bf4929352e7b783557bff6a157c4fc71a8e7cbfadf00d55eef8ebef4b984624d8feb116a960a4
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize410B
MD5dee0d584312b1218b8c25a1025e361c7
SHA17d66aa421782438a997e6b3781c96869f692df14
SHA256613972f1636eecce1563f567a29b049735b496eb82d44566e40f89df64901d9f
SHA5129ed20ac5fa9ce8e6e46edc641e0103cd96c42df8156238102b0b2874d221c7e1c71d4e7bdc47ddabb687d211c3d9c0ebc8a83592caa1a4935d05f8f430d5b121
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD52eb6b2da09454ea922752130773add02
SHA1daf11cda2fc5e53c04beed64adec1c83fb21c242
SHA2566a6cc07d0c1b46a9d1c971a032006eebcc854b67e440fbb41d0d6c1d93dff406
SHA512758cd992fd44973d6b13ab085cf3723f03ad3cc18e552379b81800a4c9fc81e843240f1216e6a5d044fe8e08ecae27ba895e54386586f3064bbc2ae555449d18
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD5a40e6081ebb759cf5d244fa769fd0d1e
SHA1ee1cd5aa0506ef5b0a646e375f04d23447f234c6
SHA25611fe606a81d7fcb159266f6b0871803db54b2451d6030afbfc68b0b2d00f94f1
SHA512a95dfc4efbc7b3cdd7c8bad13598319ea1c283c448f419ef6730fd231dfb9c80236ad0854adb9d8685427aa34072f7c16a5376b4da3f4f567291cacec4d56aeb
-
C:\Users\Admin\AppData\Local\53b29552-40bb-424c-b5c6-c1f6011e9abf\e950889fc7f88cbc4408d934e2e220f6_JaffaCakes118.exe
Filesize799KB
MD5e950889fc7f88cbc4408d934e2e220f6
SHA1cefca2c4538365655cb1eead3f3390313b9ea18a
SHA256a4520e17b63c5503219d9c36435b26054ac63e4539883c5244b3129535d82879
SHA51282b07bab3625f0f6abd85f477ebcd6df334ac1f7e9a186dea82e9101c14b4990ad461aa552df27ba3b121b799c2f164335524b1309f7bb96ef1eead5675ad7bb
-
Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d