Analysis
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max time kernel
121s -
max time network
141s -
platform
windows10_x64 -
resource
win10-20220414-en -
submitted
24/04/2022, 04:22
Static task
static1
Behavioral task
behavioral1
Sample
d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe
Resource
win10-20220414-en
General
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Target
d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe
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Size
726KB
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MD5
d5546ad159867e4b7cd788af914f495b
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SHA1
dfbb44ea6bd18a15808daf5534d620353b5352b6
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SHA256
d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7
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SHA512
87c1fe378d32caebdfd2668446ac90f94614e28d561f24d6695a8d9850d1e13040fbce4db58fb0ec2f4045660819afaf23ac5c2e36f75c1e36453ffed22b09ec
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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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-FT7BNVbXC9 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: 0455JIjdm
Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral1/memory/3252-118-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/3252-117-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3252-119-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3192-120-0x00000000009E0000-0x0000000000AFB000-memory.dmp family_djvu behavioral1/memory/3252-121-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3252-122-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3824-128-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/3824-129-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3824-130-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3824-131-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar Stealer 6 IoCs
resource yara_rule behavioral1/memory/3596-136-0x0000000000400000-0x000000000044C000-memory.dmp family_vidar behavioral1/memory/3596-139-0x0000000000400000-0x000000000044C000-memory.dmp family_vidar behavioral1/memory/2540-141-0x00000000006D0000-0x0000000000719000-memory.dmp family_vidar behavioral1/memory/3596-137-0x000000000042118A-mapping.dmp family_vidar behavioral1/memory/3596-142-0x0000000000400000-0x000000000044C000-memory.dmp family_vidar behavioral1/memory/3596-143-0x0000000000400000-0x000000000044C000-memory.dmp family_vidar -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2540 build2.exe 3596 build2.exe -
Loads dropped DLL 2 IoCs
pid Process 3596 build2.exe 3596 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3344 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b9fc1833-4d6e-42bc-af4c-35f8737ad3f9\\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe\" --AutoStart" d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 1 api.2ip.ua 2 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3192 set thread context of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 2248 set thread context of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2540 set thread context of 3596 2540 build2.exe 73 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 3824 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 3824 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe 3596 build2.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3192 wrote to memory of 3252 3192 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 67 PID 3252 wrote to memory of 3344 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 68 PID 3252 wrote to memory of 3344 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 68 PID 3252 wrote to memory of 3344 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 68 PID 3252 wrote to memory of 2248 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 69 PID 3252 wrote to memory of 2248 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 69 PID 3252 wrote to memory of 2248 3252 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 69 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 2248 wrote to memory of 3824 2248 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 71 PID 3824 wrote to memory of 2540 3824 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 72 PID 3824 wrote to memory of 2540 3824 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 72 PID 3824 wrote to memory of 2540 3824 d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe 72 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73 PID 2540 wrote to memory of 3596 2540 build2.exe 73
Processes
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C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\b9fc1833-4d6e-42bc-af4c-35f8737ad3f9" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3344
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C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe"C:\Users\Admin\AppData\Local\Temp\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Users\Admin\AppData\Local\315b9804-17e9-424b-ac5d-5637f0f70f08\build2.exe"C:\Users\Admin\AppData\Local\315b9804-17e9-424b-ac5d-5637f0f70f08\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Users\Admin\AppData\Local\315b9804-17e9-424b-ac5d-5637f0f70f08\build2.exe"C:\Users\Admin\AppData\Local\315b9804-17e9-424b-ac5d-5637f0f70f08\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3596
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
368KB
MD5ad1b502b6714c0a374b055332018974b
SHA1672f4e44475177ddcb1bfa73db3c5dee0f031bc2
SHA256f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95
SHA5120197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e
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Filesize
368KB
MD5ad1b502b6714c0a374b055332018974b
SHA1672f4e44475177ddcb1bfa73db3c5dee0f031bc2
SHA256f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95
SHA5120197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e
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Filesize
368KB
MD5ad1b502b6714c0a374b055332018974b
SHA1672f4e44475177ddcb1bfa73db3c5dee0f031bc2
SHA256f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95
SHA5120197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e
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C:\Users\Admin\AppData\Local\b9fc1833-4d6e-42bc-af4c-35f8737ad3f9\d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7.exe
Filesize726KB
MD5d5546ad159867e4b7cd788af914f495b
SHA1dfbb44ea6bd18a15808daf5534d620353b5352b6
SHA256d70f9a4709972224ff184c4ba98c4d69154a709c70d5cf1285e947fdc78c69a7
SHA51287c1fe378d32caebdfd2668446ac90f94614e28d561f24d6695a8d9850d1e13040fbce4db58fb0ec2f4045660819afaf23ac5c2e36f75c1e36453ffed22b09ec
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Filesize
133KB
MD58f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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Filesize
1.2MB
MD5bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66