Analysis Overview
SHA256
e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845
Threat Level: Known bad
The file e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845 was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Vidar
Detected Djvu ransomware
Executes dropped EXE
Downloads MZ/PE file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Modifies file permissions
Accesses 2FA software files, possible credential harvesting
Looks up external IP address via web service
Adds Run key to start application
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-12-01 20:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-12-01 20:28
Reported
2022-12-01 20:32
Platform
win10v2004-20221111-en
Max time kernel
180s
Max time network
206s
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\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\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\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.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\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.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\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\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\\4ad8d709-42fd-4e2c-901c-7936ae6e0750\\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.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 4628 set thread context of 2144 | N/A | C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe | C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe |
| PID 2960 set thread context of 1472 | N/A | C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe | C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe |
| PID 3008 set thread context of 4900 | N/A | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\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\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\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\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe
"C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe"
C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe
"C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\4ad8d709-42fd-4e2c-901c-7936ae6e0750" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe
"C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe
"C:\Users\Admin\AppData\Local\Temp\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe
"C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe"
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe
"C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe"
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build3.exe
"C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\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:\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"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe" & exit
C:\Windows\SysWOW64\timeout.exe
timeout /t 6
Network
| Country | Destination | Domain | Proto |
| N/A | 20.42.73.24:443 | tcp | |
| N/A | 93.184.220.29:80 | tcp | |
| N/A | 8.247.211.254:80 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | api.2ip.ua | udp |
| N/A | 104.80.225.205:443 | tcp | |
| N/A | 162.0.217.254:443 | api.2ip.ua | tcp |
| N/A | 162.0.217.254:443 | api.2ip.ua | tcp |
| N/A | 8.8.8.8:53 | fresherlights.com | udp |
| N/A | 8.8.8.8:53 | uaery.top | udp |
| N/A | 123.213.233.194:80 | uaery.top | tcp |
| N/A | 211.40.39.251:80 | fresherlights.com | tcp |
| N/A | 187.212.179.75:80 | uaery.top | tcp |
| N/A | 211.40.39.251:80 | 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 | 8.238.110.126:80 | tcp | |
| N/A | 8.238.20.254:80 | tcp |
Files
memory/2144-132-0x0000000000000000-mapping.dmp
memory/2144-133-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4628-135-0x000000000212E000-0x00000000021BF000-memory.dmp
memory/2144-134-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4628-136-0x00000000021C0000-0x00000000022DB000-memory.dmp
memory/2144-137-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2144-138-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4480-139-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\4ad8d709-42fd-4e2c-901c-7936ae6e0750\e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845.exe
| MD5 | 3e00d27d122f0260ed38cdf6e2679452 |
| SHA1 | 15b2d60467ec2659a92d78f33fa50c0c5e01931d |
| SHA256 | e0324c216a4d1db28729a123ea0f0fb3abe3d9ed5150b777110ea484df867845 |
| SHA512 | 73cc41cbf10417ae7c77522ddba0746312d0042d986c622317a51bbfe69f7b3efd715df3ff58b6e6056a24acda35296289478e27befceedaf2cd2f79868548a8 |
memory/2960-141-0x0000000000000000-mapping.dmp
memory/2144-142-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1472-143-0x0000000000000000-mapping.dmp
memory/1472-145-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2960-146-0x000000000211A000-0x00000000021AB000-memory.dmp
memory/1472-147-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 912da6b52d140c350937afa14a357061 |
| SHA1 | 5eb54c7f9f32a1e3442113fd93c348027e218004 |
| SHA256 | 033b9d2ea11a924f8cd8af9d923c311efc401040802424ad0f7c8c811cb5f88d |
| SHA512 | ace1abd89c31d0979a817b994fff933fec49b5f1204bc8d6ba43a41fd776500e719d3df95f1f90358d000b6de1705abe3cd8d120d13a9096ecea24afff4bdc2e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 77d584ff7baba3358ca0efc61cd1b1d1 |
| SHA1 | 667d6415ccc22430599bbd9efd26cfa74736f7d7 |
| SHA256 | 103ba1567d4e8cfbf99c8e74da6a76765cbf342ad6ec0edba72cb9ce337e86e7 |
| SHA512 | 2b223f8accb37d720d069006c433ae5903c718a5f3587cf45f8b47cedd0a4dac773f4f1ab236342041ff60f541632e58b1cc56d43aa3bd259a331c2baa33bd51 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | 61ffe15234088bd43d27e9eb101ad1f6 |
| SHA1 | 80e8cf2dbbf66018e148cbab446cfc5e52eed1b2 |
| SHA256 | 1dc492a98f81cf0473e5ebc17c9284892b88c592b5194c31761a1ef1985c59b5 |
| SHA512 | f925dbd2d421bc596f344241ce915b69e8f9a5112f4b9d6e62c82a717493ce2422366395dea33dfce896704b940afd6366923a7a2eb476d10563bc76de15b61d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | 8d8aa9d864960fa9e134e07cf149399a |
| SHA1 | 90f816a78d4aa9dbbcff11db706a3cd856b76b54 |
| SHA256 | abcbdb68f2eb2e819f6b7bc8577365f2625dcb88a04ea6dc6f74f45b88cd278e |
| SHA512 | 4ecc1d4ddc2a1ad10cb54974e2ab6be61b529e0021b41f0d54f4587df3e718f1dd600d0266ea4921f833f566a0113bd935b5d9ee89e7193a8416b3da5507bef3 |
memory/1472-153-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1472-154-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3008-155-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
memory/4900-158-0x0000000000000000-mapping.dmp
memory/4900-159-0x0000000000400000-0x000000000045F000-memory.dmp
memory/4900-161-0x0000000000400000-0x000000000045F000-memory.dmp
memory/3008-163-0x000000000075E000-0x000000000078B000-memory.dmp
memory/3008-164-0x00000000006D0000-0x000000000071B000-memory.dmp
memory/4900-162-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build2.exe
| MD5 | b9212ded69fae1fa1fb5d6db46a9fb76 |
| SHA1 | 58face4245646b1cd379ee49f03a701eab1642be |
| SHA256 | 7a087c1bcd038c61ddb0f634f9b21e6db9bed59842f19adeda48b49acb20e16f |
| SHA512 | 09cab8ccedb9e53d6d2725e8b9dbbe8fa9552607a58d89876b6539a6612b2e7ac0440ef281971bec9191510915fa6264048510add493e6a862b0d3b4f006e342 |
memory/4900-165-0x0000000000400000-0x000000000045F000-memory.dmp
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build3.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
memory/4608-166-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\6643c0fc-ce5f-48aa-ae8a-32393ef5c64e\build3.exe
| MD5 | 9ead10c08e72ae41921191f8db39bc16 |
| SHA1 | abe3bce01cd34afc88e2c838173f8c2bd0090ae1 |
| SHA256 | 8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0 |
| SHA512 | aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a |
memory/3220-169-0x0000000000000000-mapping.dmp
memory/4900-170-0x0000000061E00000-0x0000000061EF3000-memory.dmp
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/4900-190-0x0000000000400000-0x000000000045F000-memory.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/3444-193-0x0000000000000000-mapping.dmp
memory/648-194-0x0000000000000000-mapping.dmp
memory/4900-195-0x0000000000400000-0x000000000045F000-memory.dmp
memory/2424-196-0x0000000000000000-mapping.dmp