Analysis Overview
SHA256
5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde
Threat Level: Known bad
The file 5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde was found to be: Known bad.
Malicious Activity Summary
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar
Djvu Ransomware
Detected Djvu ransomware
Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Modifies file permissions
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-24 15:23
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 15:23
Reported
2022-04-24 15:25
Platform
win10v2004-20220414-en
Max time kernel
109s
Max time network
147s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
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Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar Stealer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\bcfcf6bd-6765-4e99-ace2-bfdb444bb180\\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.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 4896 set thread context of 4876 | N/A | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe |
| PID 4972 set thread context of 3252 | N/A | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe |
| PID 5068 set thread context of 540 | N/A | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\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\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe
"C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe"
C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe
"C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\bcfcf6bd-6765-4e99-ace2-bfdb444bb180" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe
"C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe
"C:\Users\Admin\AppData\Local\Temp\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe
"C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe"
C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe
"C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| US | 8.8.8.8:53 | api.2ip.ua | udp |
| DE | 162.0.217.254:443 | api.2ip.ua | tcp |
| DE | 162.0.217.254:443 | api.2ip.ua | tcp |
| US | 8.8.8.8:53 | zerit.top | udp |
| US | 8.8.8.8:53 | fuyt.org | udp |
| PA | 190.219.109.25:80 | fuyt.org | tcp |
| SA | 51.211.223.151:80 | zerit.top | tcp |
| PA | 190.219.109.25:80 | fuyt.org | tcp |
| US | 8.8.8.8:53 | t.me | udp |
| NL | 149.154.167.99:443 | t.me | tcp |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
| US | 13.89.178.26:443 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| NL | 104.110.191.140:80 | tcp | |
| GB | 92.123.140.25:80 | tcp | |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/4876-130-0x0000000000000000-mapping.dmp
memory/4876-131-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4876-133-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4896-134-0x0000000002230000-0x000000000234B000-memory.dmp
memory/4896-132-0x000000000095D000-0x00000000009EF000-memory.dmp
memory/4876-135-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4876-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4936-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\bcfcf6bd-6765-4e99-ace2-bfdb444bb180\5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde.exe
| MD5 | d80ef5ab26c56f5157588dacaa1901b2 |
| SHA1 | e5544de3e8932a31a089effef84f2cff407d8177 |
| SHA256 | 5915e2b3ea5e01e48abc44aea33fc36b0ddbebff37d9fd05fbaa0bee6a136bde |
| SHA512 | ec659d182d0f75996e9db082884c186b4e7b7b5ccd1a2a734bd6ef65298366c3642b7bd92716e83fa627aec4591e7000f6c9ae147d4c43a69d2aee071d76b77d |
memory/4972-139-0x0000000000000000-mapping.dmp
memory/3252-140-0x0000000000000000-mapping.dmp
memory/4972-143-0x000000000074A000-0x00000000007DC000-memory.dmp
memory/3252-142-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3252-144-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | ad8e032271f02af2a955ce10661cc3a8 |
| SHA1 | 967d1bd99bea34c3110cc75c0c0d8b8565eae9f9 |
| SHA256 | d5081bf75d530e9336a6da0f9142bc10f4d06368c365cf0e33f7c99b0f643ce8 |
| SHA512 | bc69dfb03284cf1b8d172ff55938f238b928a0c7846306d8232ab697f54c771a9acf8b0e04a85e149da87ea8cfd9395605d0d95afc30eae1793e91399aa7eef7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | 778c25a0b479f1f2c35dc9b3a17610b7 |
| SHA1 | 72b36c8e4fbcc3e25f13122769dd33031b67c02f |
| SHA256 | 49468d3b398b2be6587f94d1b07e57b1c864aaaa69beb7712f389060dd8e7e5c |
| SHA512 | e5744416697c15291ea99fdc8291aed228ca76fbba77af370c405ce6fcb35cd51be45fbddd8aae6856b5494b6fc75e6cbf75da9dd1b05a7a1d9c4c6147eed4e0 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | c5c064a616800305fbb91287f661f172 |
| SHA1 | e664e78345a438da093abf6d12fd09a0fd0d7707 |
| SHA256 | c60d9ce52959f3345a188ef21e6badf477b292be78a057a3af799b88b670c6ee |
| SHA512 | e8d68232ffea14f277e5670a63607e21d258ddbf1ff2665f1d018bb3d763c070c937f95bda4cdd3ef4864b1d7a6c3f06dc2917a20cb7a8058b0fdb7d8fced09a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | d9c694c2d95c6812aa0be903de46da96 |
| SHA1 | df1a733a9c6c27997c798ae4c5715cabe1ffa5e4 |
| SHA256 | f6f85bc0d1770803a206fbfb83c4cb888b3a24b494feac38baa3ea764cda37c0 |
| SHA512 | 97a2eddf197aa74d1d05241008ead092f836b561bc1ad1d731d91db23d6dcce7a65d3dc1609384a3ad3fd5c858bae6c3a4361588b5a965ebf233f14410864793 |
memory/3252-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5068-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/5068-153-0x00000000005C8000-0x00000000005F3000-memory.dmp
memory/540-154-0x0000000000000000-mapping.dmp
memory/540-155-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\b3e7336b-5c3a-4f64-ad9d-b53064e690d7\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/5068-158-0x00000000005C8000-0x00000000005F3000-memory.dmp
memory/540-157-0x0000000000400000-0x000000000044C000-memory.dmp
memory/540-159-0x0000000000400000-0x000000000044C000-memory.dmp
memory/5068-160-0x0000000000550000-0x0000000000599000-memory.dmp
memory/540-161-0x0000000000400000-0x000000000044C000-memory.dmp
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |