Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system - submitted
13/02/2024, 02:10
Static task
static1
Behavioral task
behavioral1
Sample
45d570affa3319d89121c755e490090c.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
45d570affa3319d89121c755e490090c.exe
Resource
win10v2004-20231222-en
General
- Target 45d570affa3319d89121c755e490090c.exe
- Size 217KB
- Sample240213-clrd2saf86
- SHA256 f09dbd237c0b7f9024adefec0d677cd2ddf6fa709021bb7c4efabc2a94fc788c
- MD5 45d570affa3319d89121c755e490090c
- SHA1 1a74367c97128ca66cf6d04ba671d71df8d5e440
- SHA512 00194e4b64f1e92811058249a26d6dee2d225065280842f700815ed6d4dcef7ee12737fa03b0971d784754f8c3cad69b1768f1df15af951d17fe6c153b0cd1b3
- SSDEEP 6144:x3cnQnO+vSYV25r4eRncikLuP0CZ05HYjWjm:5cnQn1SYVU553kLa0Cu5f
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2022
-
http://trad-einmyus.com/index.php
-
http://tradein-myus.com/index.php
-
http://trade-inmyus.com/index.php
Extracted
-
djvu
-
http://habrafa.com/test1/get.php
-
extension
.ldhy
-
offline_id
pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1
-
payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://we.tl/t-hPAqznkJKD Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0849ASdw
Extracted
-
stealc
-
http://216.98.9.109
-
url_path
/76249dc8768da895.php
Extracted
-
lumma
-
https://resergvearyinitiani.shop/api
Signatures
- Detected Djvu ransomware 9 IoCs
resource yara_rule behavioral2/memory/2188-28-0x00000000049A0000-0x0000000004ABB000-memory.dmp family_djvu behavioral2/memory/2732-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2732-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2732-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2732-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2732-43-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2516-49-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2516-50-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2516-52-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu - Djvu Ransomware
Ransomware which is a variant of the STOP family.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- 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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation C68D.exe - Deletes itself 1 IoCs
pid Process 2640 Process not Found - Executes dropped EXE 7 IoCs
pid Process 3964 9F7C.exe 2188 C68D.exe 2732 C68D.exe 2620 C68D.exe 2516 C68D.exe 3340 63B8.exe 1020 6F72.exe - Loads dropped DLL 2 IoCs
pid Process 2896 RegAsm.exe 2896 RegAsm.exe - Modifies file permissions 1 TTPs 1 IoCs
pid Process 784 icacls.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5acf9296-64c7-497d-a8be-d770a520bb89\\C68D.exe\" --AutoStart" C68D.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 59 api.2ip.ua 61 api.2ip.ua - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2188 set thread context of 2732 2188 C68D.exe 96 PID 2620 set thread context of 2516 2620 C68D.exe 100 PID 1020 set thread context of 2896 1020 6F72.exe 110 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 3940 2516 WerFault.exe 100 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45d570affa3319d89121c755e490090c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45d570affa3319d89121c755e490090c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 45d570affa3319d89121c755e490090c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9F7C.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9F7C.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 9F7C.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 RegAsm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString RegAsm.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3672 45d570affa3319d89121c755e490090c.exe 3672 45d570affa3319d89121c755e490090c.exe 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found 2640 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3672 45d570affa3319d89121c755e490090c.exe 3964 9F7C.exe - Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found Token: SeShutdownPrivilege 2640 Process not Found Token: SeCreatePagefilePrivilege 2640 Process not Found - Suspicious use of WriteProcessMemory 51 IoCs
description pid Process procid_target PID 2640 wrote to memory of 3964 2640 Process not Found 93 PID 2640 wrote to memory of 3964 2640 Process not Found 93 PID 2640 wrote to memory of 3964 2640 Process not Found 93 PID 2640 wrote to memory of 2188 2640 Process not Found 95 PID 2640 wrote to memory of 2188 2640 Process not Found 95 PID 2640 wrote to memory of 2188 2640 Process not Found 95 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2188 wrote to memory of 2732 2188 C68D.exe 96 PID 2732 wrote to memory of 784 2732 C68D.exe 97 PID 2732 wrote to memory of 784 2732 C68D.exe 97 PID 2732 wrote to memory of 784 2732 C68D.exe 97 PID 2732 wrote to memory of 2620 2732 C68D.exe 98 PID 2732 wrote to memory of 2620 2732 C68D.exe 98 PID 2732 wrote to memory of 2620 2732 C68D.exe 98 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2620 wrote to memory of 2516 2620 C68D.exe 100 PID 2640 wrote to memory of 3340 2640 Process not Found 104 PID 2640 wrote to memory of 3340 2640 Process not Found 104 PID 2640 wrote to memory of 3340 2640 Process not Found 104 PID 2640 wrote to memory of 320 2640 Process not Found 106 PID 2640 wrote to memory of 320 2640 Process not Found 106 PID 320 wrote to memory of 4440 320 cmd.exe 107 PID 320 wrote to memory of 4440 320 cmd.exe 107 PID 2640 wrote to memory of 1020 2640 Process not Found 109 PID 2640 wrote to memory of 1020 2640 Process not Found 109 PID 2640 wrote to memory of 1020 2640 Process not Found 109 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 PID 1020 wrote to memory of 2896 1020 6F72.exe 110 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\45d570affa3319d89121c755e490090c.exe"C:\Users\Admin\AppData\Local\Temp\45d570affa3319d89121c755e490090c.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3672
-
C:\Users\Admin\AppData\Local\Temp\9F7C.exeC:\Users\Admin\AppData\Local\Temp\9F7C.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3964
-
C:\Users\Admin\AppData\Local\Temp\C68D.exeC:\Users\Admin\AppData\Local\Temp\C68D.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\C68D.exeC:\Users\Admin\AppData\Local\Temp\C68D.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\5acf9296-64c7-497d-a8be-d770a520bb89" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:784
-
-
C:\Users\Admin\AppData\Local\Temp\C68D.exe"C:\Users\Admin\AppData\Local\Temp\C68D.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Users\Admin\AppData\Local\Temp\C68D.exe"C:\Users\Admin\AppData\Local\Temp\C68D.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Executes dropped EXE
PID:2516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 5685⤵
- Program crash
PID:3940
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2516 -ip 25161⤵PID:1756
-
C:\Users\Admin\AppData\Local\Temp\63B8.exeC:\Users\Admin\AppData\Local\Temp\63B8.exe1⤵
- Executes dropped EXE
PID:3340
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6918.bat" "1⤵
- Suspicious use of WriteProcessMemory
PID:320 -
C:\Windows\system32\reg.exereg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 12⤵PID:4440
-
-
C:\Users\Admin\AppData\Local\Temp\6F72.exeC:\Users\Admin\AppData\Local\Temp\6F72.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
PID:2896
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\mozglue.dll
- Size 593KB
- SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
- MD5 c8fd9be83bc728cc04beffafc2907fe9
- SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
- SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
- SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
- MD5 SHA1 SHA512 SSDEEP
- Path C:\ProgramData\nss3.dll
- Size 2.0MB
- SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
- MD5 1cc453cdf74f31e4d913ff9c10acdde2
- SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
- SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
- SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\63B8.exe
- Size 4.0MB
- SHA256 354bd9dea4c74cdd2c1c4c6e5dc34bba2498f17b3b65b3d3e80cd6e6e256b9f7
- MD5 0b057febb9ccb7a965c823d00270b960
- SHA1 a75e4b79784e67ddeee470beaaa42e00a3d12415
- SHA512 b3c0ea134d3fba28670ac3922df576aa6639e2607b0b73a0243ae215663bdac1f985e6a70a81d2ede69bce52bc00907085364e3484459844e967ec9f7349d433
- SSDEEP 98304:mowGxchzKEDTiqXui6PmQeLiwh/slCZ+DcCfdBR:mPGWhzKgGeNcoLiuEoufPR
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\63B8.exe
- Size 4.5MB
- SHA256 3d160bb9e3bb886c7cef5e6adbee3e4b160944e8789ed40e0da174974cf851b0
- MD5 2bb9b25b894a8baf54ae20c2140e6962
- SHA1 7d64836c63d93371b3eced23dff530dcb45858f6
- SHA512 b870b8444e1c64c5c13d936225d956baa5a0f37237f345f03378617c2b18cd22a43a07d7eb0f2ec40e1bd092c434ee1ff907adf5e5818879edf0c951ce45a6cf
- SSDEEP 98304:mowGxchzKEDTiqXui6PmQeLiwh/slCZ+DcCfdBXCknigkY:mPGWhzKgGeNcoLiuEoufPS5gkY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\6918.bat
- Size 77B
- SHA256 d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a
- MD5 55cc761bf3429324e5a0095cab002113
- SHA1 2cc1ef4542a4e92d4158ab3978425d517fafd16d
- SHA512 33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\6F72.exe
- Size 364KB
- SHA256 4768efd3769c4525cb2230482561c0fb0df37802d247f0bfea1f713a8561ad61
- MD5 ea21f591a31754a8d327f905bccfca2f
- SHA1 576b00213e4c05a4a4fdad1b54d9e6ce725b4f5f
- SHA512 d9ba855b9c9a4344e6c4d584de2962f2e1175a2c98095dde389ce41e8a8b9211b16cc3a0862c86e2f35e7923cf3699d2ca5e1558aa40fb9d65e70a8b731c3670
- SSDEEP 6144:RDKW1Fgbdl0TBBvjc/9gcrPhMINuFdGohgvwhGRz4JDw+mbIpKXJsg+TW:hh1Fk70TnvjcFPOINuXGjiGl4JcPbIYT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\9F7C.exe
- Size 217KB
- SHA256 f09dbd237c0b7f9024adefec0d677cd2ddf6fa709021bb7c4efabc2a94fc788c
- MD5 45d570affa3319d89121c755e490090c
- SHA1 1a74367c97128ca66cf6d04ba671d71df8d5e440
- SHA512 00194e4b64f1e92811058249a26d6dee2d225065280842f700815ed6d4dcef7ee12737fa03b0971d784754f8c3cad69b1768f1df15af951d17fe6c153b0cd1b3
- SSDEEP 6144:x3cnQnO+vSYV25r4eRncikLuP0CZ05HYjWjm:5cnQn1SYVU553kLa0Cu5f
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\C68D.exe
- Size 773KB
- SHA256 ff6af385c472d0b4fe0b887ce16c703f659d4bdbee1b2ecb61d72ae24e74f56f
- MD5 c207eae2b2f31dbb825e5a2029864dec
- SHA1 804dd8042356fc7f94e865cb545e8ebf5becb91c
- SHA512 f56ffe85bdc21b930f4acf4d411a90e5b2e8594497b70af9ba4400cfabadf87e4e585f24f3c7d9066f560091c0c4f191a3b6aeba4a75511386addf815e83d74c
- SSDEEP 12288:GWuF4TIKSkWXB/6U/OIi04z/gkXQfZLCO01pGFfiDfysIFJLDuw+5f:YFqC6v04svkOTcQJLDuN
- MD5 SHA1 SHA512 SSDEEP