Analysis Overview
SHA256
2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e
Threat Level: Known bad
The file 2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e was found to be: Known bad.
Malicious Activity Summary
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar Stealer
Executes dropped EXE
Downloads MZ/PE file
Modifies file permissions
Loads dropped DLL
Reads user/profile data of web browsers
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Enumerates physical storage devices
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-24 08:37
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 08:37
Reported
2022-04-24 08:39
Platform
win10-20220414-en
Max time kernel
99s
Max time network
146s
Command Line
Signatures
Detected Djvu ransomware
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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 |
| N/A | N/A | N/A | N/A |
| 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\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\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-1-5-21-4236190499-842014725-259441995-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\047e7286-1508-489b-aa4b-d096bc10a2d4\\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.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 2836 set thread context of 3184 | N/A | C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe | C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe |
| PID 4476 set thread context of 2240 | N/A | C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe | C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe |
| PID 5080 set thread context of 4256 | N/A | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\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\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\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\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.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\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe
"C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe"
C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe
"C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\047e7286-1508-489b-aa4b-d096bc10a2d4" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe
"C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe
"C:\Users\Admin\AppData\Local\Temp\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe
"C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe"
C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe
"C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\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 |
| KR | 211.119.84.111:80 | fuyt.org | tcp |
| MX | 201.124.224.61:80 | zerit.top | tcp |
| KR | 211.119.84.111:80 | 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 | 20.189.173.6:443 | tcp | |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/2836-115-0x0000000000700000-0x000000000079D000-memory.dmp
memory/2836-117-0x00000000022C0000-0x00000000023DB000-memory.dmp
memory/3184-118-0x0000000000424141-mapping.dmp
memory/3184-116-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3184-119-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3184-120-0x0000000000400000-0x0000000000537000-memory.dmp
memory/3184-121-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4680-122-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\047e7286-1508-489b-aa4b-d096bc10a2d4\2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e.exe
| MD5 | 62a439eaa6327f2d5e608c763743c6e8 |
| SHA1 | 2acb1839985c8a366fb6d4899ba7c90585f24f87 |
| SHA256 | 2be1597b1d2c4f847c7e499e93adbd8d2020ce0aa428caabcecc0e4ab6e8b07e |
| SHA512 | d4d4194d92a35b863b9a739a6c011d6c34d7c33e3feb452953cc631fb11f2ee9ee82684a75a37dcabc283e5a01050dafa5e82d5a57553b0726aa1c2db122b861 |
memory/4476-124-0x0000000000000000-mapping.dmp
memory/2240-127-0x0000000000424141-mapping.dmp
memory/2240-128-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2240-129-0x0000000000400000-0x0000000000537000-memory.dmp
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 | 526e087fb0cb0b0f79f5f9c96583d185 |
| SHA1 | 2740bb5aaf430fa878c5582392f8982ab6ae6b0d |
| SHA256 | 049fbeedb833ff7eeb07bceedac9292b5aec6a45584e654015a9771d055c5713 |
| SHA512 | 3c714b45a729a715ecad5d369ac8e54a390e44c043e110bbb0c8d8f00b63128c19a5ca17c61c8225d718e1d5a0d86db80b64c4416cf1827fa77afd285d9ad48f |
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 | 47ec7fc43f235d71ce1933bcc94455bf |
| SHA1 | 7b508b225ec7b83ae56566a78421c6b10206bebb |
| SHA256 | 315951a456ca6fac618f9314285476cb83d3477dd10330d5df5788ed87670d26 |
| SHA512 | f7d47f767deea202690589d109a8d2dc2f74f4c422f49a35ebb6fe4c6e9845ee00a9e3e06412e8e44a40380d754d7a69c91832fd10b33400ee1effffd3e56d30 |
memory/2240-134-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5080-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4256-139-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4256-140-0x000000000042118A-mapping.dmp
memory/4256-142-0x0000000000400000-0x000000000044C000-memory.dmp
memory/5080-143-0x00000000005F0000-0x0000000000639000-memory.dmp
C:\Users\Admin\AppData\Local\5bb21d03-4165-499b-857a-fac9d406601d\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4256-144-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4256-145-0x0000000000400000-0x000000000044C000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |