Analysis Overview
SHA256
ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da
Threat Level: Known bad
The file ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Vidar
Djvu Ransomware
Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Checks computer location settings
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Modifies system certificate store
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-24 08:51
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 08:51
Reported
2022-04-24 08:53
Platform
win10v2004-20220414-en
Max time kernel
99s
Max time network
124s
Command Line
Signatures
Detected Djvu ransomware
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Djvu Ransomware
Vidar
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 |
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| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6e613d85-ab31-4f59-97ee-07a597814643\\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.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 4836 set thread context of 3088 | N/A | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe |
| PID 4848 set thread context of 4420 | N/A | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe |
| PID 4440 set thread context of 1748 | N/A | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\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\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe | N/A |
Modifies system certificate store
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 | C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe
"C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe"
C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe
"C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\6e613d85-ab31-4f59-97ee-07a597814643" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe
"C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe
"C:\Users\Admin\AppData\Local\Temp\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe
"C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe"
C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe
"C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe"
Network
| Country | Destination | Domain | Proto |
| 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 |
| MX | 187.212.195.33:80 | fuyt.org | tcp |
| BR | 138.36.3.134:80 | zerit.top | tcp |
| MX | 187.212.195.33:80 | 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 | 20.42.65.85:443 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| US | 8.253.208.112:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/3088-130-0x0000000000000000-mapping.dmp
memory/3088-131-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3088-132-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4836-133-0x00000000009A8000-0x0000000000A39000-memory.dmp
memory/4836-135-0x00000000021F0000-0x000000000230B000-memory.dmp
memory/3088-134-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3088-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1632-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\6e613d85-ab31-4f59-97ee-07a597814643\ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da.exe
| MD5 | d2f4aca14d146ba585f9d5047a2ff70e |
| SHA1 | 93507c073fc928bb26f07f068f5829f99ababefc |
| SHA256 | ae87cf4dfd4b608041b9da826b88d9797e8301112f6b6b944b6267c7b51718da |
| SHA512 | d8116cd30c01cd78ab145e6ec23825c69461cec2f47cc691f2ba684475be94c09033104e85cb0beb1cbb41e7c2d3993db50014ba172ccab72c7477d338f26b72 |
memory/4848-139-0x0000000000000000-mapping.dmp
memory/4420-140-0x0000000000000000-mapping.dmp
memory/4848-143-0x00000000021A0000-0x0000000002231000-memory.dmp
memory/4420-142-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4420-144-0x0000000000400000-0x0000000000537000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
| MD5 | a2098806f872e0d1782aa3ef3e4e96cb |
| SHA1 | f396d1606f8dc2bb9d789ec35eae816fefec1d6b |
| SHA256 | b3a7ed279ac825b96f59f86e60b63ceed55a7a12081fea806641a0a1d027d82c |
| SHA512 | 8f41b9a2183230a4183e7bf7fe0a7cd08b4731cca0e965b634c576a7a0f13cf37e0b6ce6205f42ce78ee3e2f817f6294f711e10cff53542b33731ba20cca67b2 |
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\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | d9c694c2d95c6812aa0be903de46da96 |
| SHA1 | df1a733a9c6c27997c798ae4c5715cabe1ffa5e4 |
| SHA256 | f6f85bc0d1770803a206fbfb83c4cb888b3a24b494feac38baa3ea764cda37c0 |
| SHA512 | 97a2eddf197aa74d1d05241008ead092f836b561bc1ad1d731d91db23d6dcce7a65d3dc1609384a3ad3fd5c858bae6c3a4361588b5a965ebf233f14410864793 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
| MD5 | 80c20eed4e1913ede60fcca3ea5eebe3 |
| SHA1 | c84d855dcfa2d5d327414254b2994370a6c5e953 |
| SHA256 | 31b44f0f0a3514fa696c82b95e385bdf52393a060c16aaff0779776c9b793ba1 |
| SHA512 | ace19f881b64307164848532fc612ba70d60926b6844e5e6dc97fd28c21ef7b29ccb7206919f8d2272440ac83bf0369e1792d083c84f33c73cd8700185e3d317 |
memory/4420-149-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4440-150-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4440-153-0x00000000006F8000-0x0000000000722000-memory.dmp
memory/1748-154-0x0000000000000000-mapping.dmp
memory/1748-155-0x0000000000400000-0x000000000044C000-memory.dmp
memory/1748-157-0x0000000000400000-0x000000000044C000-memory.dmp
C:\Users\Admin\AppData\Local\ad75aefc-e20e-45ab-bf9a-a550f8aff890\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/1748-160-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4440-159-0x00000000020B0000-0x00000000020F9000-memory.dmp
memory/4440-158-0x00000000006F8000-0x0000000000722000-memory.dmp
memory/1748-161-0x0000000000400000-0x000000000044C000-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 |