Analysis Overview
SHA256
01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2
Threat Level: Known bad
The file 01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2 was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Vidar
Detected Djvu ransomware
Downloads MZ/PE file
Executes dropped EXE
Modifies file permissions
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Accesses 2FA software files, possible credential harvesting
Looks up external IP address via web service
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-12-01 16:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-01 16:30
Reported
2022-12-01 16:34
Platform
win10v2004-20221111-en
Max time kernel
203s
Max time network
195s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
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Djvu Ransomware
Vidar
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
Modifies file permissions
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\icacls.exe | N/A |
Reads user/profile data of web browsers
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\cfaee9db-0652-441e-9d48-3f35fbf36188\\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.2ip.ua | N/A | N/A |
| N/A | api.2ip.ua | N/A | N/A |
| N/A | api.2ip.ua | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4932 set thread context of 4480 | N/A | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe |
| PID 1676 set thread context of 3892 | N/A | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe | C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe |
| PID 2828 set thread context of 1188 | N/A | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\timeout.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe
"C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe"
C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe
"C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\cfaee9db-0652-441e-9d48-3f35fbf36188" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe
"C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe
"C:\Users\Admin\AppData\Local\Temp\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe
"C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe"
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe
"C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe"
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build3.exe
"C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build3.exe"
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"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 6
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
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"
Network
| Country | Destination | Domain | Proto |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 20.189.173.11:443 | tcp | |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 8.8.8.8:53 | api.2ip.ua | udp |
| N/A | 162.0.217.254:443 | api.2ip.ua | tcp |
| N/A | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | api.2ip.ua | udp |
| N/A | 162.0.217.254:443 | api.2ip.ua | tcp |
| N/A | 8.8.8.8:53 | crl.comodoca.com | udp |
| N/A | 104.18.32.68:80 | crl.comodoca.com | tcp |
| N/A | 172.64.155.188:80 | crl.comodoca.com | tcp |
| N/A | 8.8.8.8:53 | uaery.top | udp |
| N/A | 8.8.8.8:53 | fresherlights.com | udp |
| N/A | 181.94.48.228:80 | fresherlights.com | tcp |
| N/A | 181.94.48.228:80 | fresherlights.com | tcp |
| N/A | 181.94.48.228:80 | fresherlights.com | tcp |
| N/A | 8.8.8.8:53 | t.me | udp |
| N/A | 149.154.167.99:443 | t.me | tcp |
| N/A | 116.203.0.170:80 | 116.203.0.170 | tcp |
| N/A | 8.248.101.254:80 | tcp | |
| N/A | 8.248.7.254:80 | tcp |
Files
memory/4932-132-0x0000000000590000-0x0000000000622000-memory.dmp
memory/4932-133-0x00000000021A0000-0x00000000022BB000-memory.dmp
memory/4480-134-0x0000000000000000-mapping.dmp
memory/4480-135-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4480-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4480-137-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4480-138-0x0000000000400000-0x0000000000537000-memory.dmp
memory/948-139-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\cfaee9db-0652-441e-9d48-3f35fbf36188\01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2.exe
| MD5 | f272230670f1b845fdbf007fac1ff9ca |
| SHA1 | 09cee6add03d57f94ef2394547b44b9db43cb8b1 |
| SHA256 | 01353aad6b9cc5bf0018951b41aed60da6e2a6a64151c3a206c6356dcdac8bb2 |
| SHA512 | 02fd3684c0829bb3fc169e6a5deb28498d79bea97bf16d81b6905dd16eee4df7f820b63d4aeca4944f368ecd2f101ee5dd9117886dfdc1302c2338f580697c32 |
memory/1676-141-0x0000000000000000-mapping.dmp
memory/4480-142-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3892-143-0x0000000000000000-mapping.dmp
memory/1676-146-0x0000000002125000-0x00000000021B7000-memory.dmp
memory/3892-147-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3892-145-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3892-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2828-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
memory/1188-153-0x0000000000000000-mapping.dmp
memory/1188-154-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
memory/1188-156-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1188-157-0x0000000000400000-0x000000000045F000-memory.dmp
memory/2828-158-0x000000000051E000-0x000000000054A000-memory.dmp
memory/2828-159-0x00000000020A0000-0x00000000020EB000-memory.dmp
memory/1188-160-0x0000000000400000-0x000000000045F000-memory.dmp
memory/1188-161-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/760-179-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build3.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
C:\Users\Admin\AppData\Local\1793dbaa-54f1-49a0-a0dd-c05912fc1a66\build3.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
C:\ProgramData\nss3.dll
| MD5 | 1cc453cdf74f31e4d913ff9c10acdde2 |
| SHA1 | 6e85eae544d6e965f15fa5c39700fa7202f3aafe |
| SHA256 | ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5 |
| SHA512 | dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571 |
C:\ProgramData\mozglue.dll
| MD5 | c8fd9be83bc728cc04beffafc2907fe9 |
| SHA1 | 95ab9f701e0024cedfbd312bcfe4e726744c4f2e |
| SHA256 | ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a |
| SHA512 | fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040 |
memory/3912-183-0x0000000000000000-mapping.dmp
memory/1188-185-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4852-186-0x0000000000000000-mapping.dmp
memory/1188-187-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3652-188-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
memory/4976-191-0x0000000000000000-mapping.dmp