Analysis
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max time kernel
91s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30-09-2022 20:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
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Target
file.exe
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Size
659KB
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MD5
2fcf7dd37acbf420c078ef520850af64
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SHA1
677ef7f1033c5ae85d65ae7a0dee018834ead5ad
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SHA256
37d72be6e06830d950e10af30dab0bcb1ad8f67828b56926108ccd3de7432322
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SHA512
d96732cbb64e318531cb3c6554fe1cd21483400d97c98d0ddbaecb5545fbf76389ee85064a93bae1aa67efd812c3db164dea929faae447943b888c06fdb52ef4
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SSDEEP
12288:4sYORXIc6f7aE6RIru6qFTXrPHnQOH7EEevJwjfuNeIS8EqxYxXmfSQAYC7Y7n:vtRXIcuEoyXr4ObEEecuAiYxK1T
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/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-EWKSsSJiVn 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: 0568Jhyjd
Extracted
vidar
54.7
517
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
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profile_id
517
Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral2/memory/4460-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4460-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4460-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4132-137-0x0000000002330000-0x000000000244B000-memory.dmp family_djvu behavioral2/memory/4460-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4460-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/176-145-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/176-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/176-148-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/176-168-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 2560 build2.exe 3940 build3.exe 3844 build2.exe 1124 mstsca.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation build2.exe -
Loads dropped DLL 2 IoCs
pid Process 3844 build2.exe 3844 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1448 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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c06e6492-3b2c-4a59-8333-aeb8ef1f0bce\\file.exe\" --AutoStart" file.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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 api.2ip.ua 33 api.2ip.ua 10 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4132 set thread context of 4460 4132 file.exe 79 PID 5060 set thread context of 176 5060 file.exe 90 PID 2560 set thread context of 3844 2560 build2.exe 95 -
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 opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2360 schtasks.exe 4080 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 612 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 4028 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4460 file.exe 4460 file.exe 176 file.exe 176 file.exe 3844 build2.exe 3844 build2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4028 taskkill.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4132 wrote to memory of 4460 4132 file.exe 79 PID 4460 wrote to memory of 1448 4460 file.exe 87 PID 4460 wrote to memory of 1448 4460 file.exe 87 PID 4460 wrote to memory of 1448 4460 file.exe 87 PID 4460 wrote to memory of 5060 4460 file.exe 88 PID 4460 wrote to memory of 5060 4460 file.exe 88 PID 4460 wrote to memory of 5060 4460 file.exe 88 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 5060 wrote to memory of 176 5060 file.exe 90 PID 176 wrote to memory of 2560 176 file.exe 91 PID 176 wrote to memory of 2560 176 file.exe 91 PID 176 wrote to memory of 2560 176 file.exe 91 PID 176 wrote to memory of 3940 176 file.exe 92 PID 176 wrote to memory of 3940 176 file.exe 92 PID 176 wrote to memory of 3940 176 file.exe 92 PID 3940 wrote to memory of 2360 3940 build3.exe 93 PID 3940 wrote to memory of 2360 3940 build3.exe 93 PID 3940 wrote to memory of 2360 3940 build3.exe 93 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 2560 wrote to memory of 3844 2560 build2.exe 95 PID 3844 wrote to memory of 3512 3844 build2.exe 96 PID 3844 wrote to memory of 3512 3844 build2.exe 96 PID 3844 wrote to memory of 3512 3844 build2.exe 96 PID 3512 wrote to memory of 4028 3512 cmd.exe 98 PID 3512 wrote to memory of 4028 3512 cmd.exe 98 PID 3512 wrote to memory of 4028 3512 cmd.exe 98 PID 3512 wrote to memory of 612 3512 cmd.exe 99 PID 3512 wrote to memory of 612 3512 cmd.exe 99 PID 3512 wrote to memory of 612 3512 cmd.exe 99 PID 1124 wrote to memory of 4080 1124 mstsca.exe 101 PID 1124 wrote to memory of 4080 1124 mstsca.exe 101 PID 1124 wrote to memory of 4080 1124 mstsca.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4460 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c06e6492-3b2c-4a59-8333-aeb8ef1f0bce" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:1448
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:176 -
C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build2.exe"C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2560 -
C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build2.exe"C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" S/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build2.exe" & del C:\PrograData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4028
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:612
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C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build3.exe"C:\Users\Admin\AppData\Local\71fd3dca-fec1-4c28-a517-404a7382ca3a\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
PID:2360
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
PID:4080
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD55f0a548198075b4cd8c891c5c0f45e4c
SHA1c3dd48a91f5a4dfbecd2a9e5802a8e5d8623aab6
SHA256bcb8d4f0e605ffe557f9f3d23291e2212f39acfa1df9f24331a4075810555839
SHA5128ade693197f9ca350f7c549312de77d70ef362dd3772a9ebb86c30dc7311d047bac0b9e1b517001b4e470271f7f181313f87eeae5b7a71ec5b7be5380525e22f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5cb19ea31ccbd0203dd87e096916c57fa
SHA1cab9da6765c414006fc24a26afe3d9faed3da46c
SHA256f2c2e4c4cb0138ea54016a5b4e248a37f10c3ce22ad3ac85f8509a9692d0394b
SHA51220b5e6d75aa6340e47bb723541ede1ca9a54b8df916e3b9ae6e27ae869dfd13605feb400e0c847974594e126b9852dcb1785f55fc93ba10abcdef93ef71f5b36
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5e5c70400d0f47637931b187c7956a131
SHA1a0c2b6f7c6a2d0f45098beaadfb6fa081e4ae013
SHA2567f67189377d51ab17f9b5c7945a3a98543967fb43384fdcb13e01bbace6665c2
SHA5123b5da32da1dccf6837ea456976c3e959e9f5c7ce81af6c5cd1affefd988b16986b7ac5f9eba87f7eb8755c1d47cc5bdd70ff44d29b8d43b28f40c67eae8e8e1a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5acda96c9f6aee025b423261f2c019a48
SHA14f7ac7ba09600646afdfd34c36d0bdae3aad8397
SHA256b1afc287ced9d3ccfaaf233226be2528efff8db560a5b5607f24bfcf21991b65
SHA5123a8422ce027e880a4c2759657bd05b6f02f0f27903d8d3f41c7dc3e6e69e9fcda78c38b7f6a3a439dffa6f8cd790c84103e1f0a2a49bba1f13286859ee025416
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
659KB
MD52fcf7dd37acbf420c078ef520850af64
SHA1677ef7f1033c5ae85d65ae7a0dee018834ead5ad
SHA25637d72be6e06830d950e10af30dab0bcb1ad8f67828b56926108ccd3de7432322
SHA512d96732cbb64e318531cb3c6554fe1cd21483400d97c98d0ddbaecb5545fbf76389ee85064a93bae1aa67efd812c3db164dea929faae447943b888c06fdb52ef4
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a