Analysis Overview
SHA256
de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b
Threat Level: Known bad
The file de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b was found to be: Known bad.
Malicious Activity Summary
Djvu Ransomware
Detected Djvu ransomware
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
Vidar
Vidar Stealer
Downloads MZ/PE file
Executes dropped EXE
Reads user/profile data of web browsers
Loads dropped DLL
Modifies file permissions
Looks up external IP address via web service
Checks installed software on the system
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-24 07:51
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-24 07:51
Reported
2022-04-24 07:54
Platform
win10-20220414-en
Max time kernel
143s
Max time network
145s
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 |
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Downloads MZ/PE file
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\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-1-5-21-3297182285-798020602-2032295036-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e07b2ef0-80a7-4966-b714-bbc5d51b63d6\\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe\" --AutoStart" | C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.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 1840 set thread context of 2120 | N/A | C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe | C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe |
| PID 2868 set thread context of 4580 | N/A | C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe | C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe |
| PID 4636 set thread context of 4704 | N/A | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\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\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\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\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.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\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe
"C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe"
C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe
"C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe"
C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\e07b2ef0-80a7-4966-b714-bbc5d51b63d6" /deny *S-1-1-0:(OI)(CI)(DE,DC)
C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe
"C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe
"C:\Users\Admin\AppData\Local\Temp\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe" --Admin IsNotAutoStart IsNotTask
C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe
"C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe"
C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe
"C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\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 | fuyt.org | udp |
| US | 8.8.8.8:53 | zerit.top | udp |
| PE | 190.117.75.91:80 | fuyt.org | tcp |
| PA | 190.140.74.43:80 | zerit.top | tcp |
| PE | 190.117.75.91:80 | 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 |
| GB | 51.104.15.252:443 | tcp | |
| DE | 116.202.1.195:80 | 116.202.1.195 | tcp |
Files
memory/2120-119-0x0000000000424141-mapping.dmp
memory/2120-118-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2120-121-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1840-120-0x0000000002300000-0x000000000241B000-memory.dmp
memory/2120-122-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2120-123-0x0000000000400000-0x0000000000537000-memory.dmp
memory/2744-124-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\e07b2ef0-80a7-4966-b714-bbc5d51b63d6\de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b.exe
| MD5 | 708957b225c4f063099a02c57f8b7ec8 |
| SHA1 | 24e1b8d98dfc39969349867e4aeedb20c802de21 |
| SHA256 | de30509c218766aadb69ea5587ab937b9ec138178a9ae21c8c1b1de8ca645a0b |
| SHA512 | 3b78d7c39b7ffea3abd4c5a58df753082b61c438e5189556db5a8b5c30e6f2c4b8cc7640440f421bb46f0c4ce0d1835f144eb58fa6bc6da3779fc108e8ff54cc |
memory/2868-126-0x0000000000000000-mapping.dmp
memory/4580-129-0x0000000000424141-mapping.dmp
memory/4580-130-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4580-131-0x0000000000400000-0x0000000000537000-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 | 90fc2d0c68cf0d249eecb77f6fe3cb35 |
| SHA1 | e0db79d9db9fbedbed2f3873548189c338f1fe59 |
| SHA256 | a60ec4eaaa718449e62ce36400fb670fd6429c959ca1e601f825270182e19109 |
| SHA512 | 9cc875447fdc2b95d5ce77ef34a277a524897f3e645909570e5a34a59222ca89d7aaaadfd9336008b241d019de1e4273c8942e1bb1ff3208da4e566560a19ff7 |
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 | e921d98c9f2628f00072bea5539e54ea |
| SHA1 | 37e722e06ae7b33e294a4c680e22312e195f72d2 |
| SHA256 | d4eed28721d06fa1a3afa512c7a5b3b014ee9c84c17e2061d6ed80451d737dee |
| SHA512 | 59689d6cecbb0e7b96de26088096670391d82f9c8ba5150d1c76d1f661cb0cbbeceaf37653db8cb6d2e280729b7d9ebb6f39aec32fc124f31046a6a07c99755e |
memory/4580-136-0x0000000000400000-0x0000000000537000-memory.dmp
memory/4636-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4704-142-0x000000000042118A-mapping.dmp
C:\Users\Admin\AppData\Local\0fa14d9a-70ee-4203-89fd-bf240f358851\build2.exe
| MD5 | ad1b502b6714c0a374b055332018974b |
| SHA1 | 672f4e44475177ddcb1bfa73db3c5dee0f031bc2 |
| SHA256 | f2cfbc265125aca3cbf385120f7489e8044f444976ba43ee3a19e706257c9e95 |
| SHA512 | 0197d74e6eb9fa11d48e6939dbd091c6896908870a59fef1d40830e43caf2539fd03ac933d47eae4c3b0ec74e2bfb0ece7f44c4a525b075fe4235ca6086c355e |
memory/4636-144-0x00000000020C0000-0x0000000002109000-memory.dmp
memory/4704-145-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4704-141-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4704-146-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4704-147-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4704-148-0x0000000060900000-0x0000000060992000-memory.dmp
\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |