Analysis Overview
SHA256
aec9eb81f2a2837488165119d41da8eec94607b9bde0b729f811ced008ad95cb
Threat Level: Known bad
The file Inquirypdf.exe was found to be: Known bad.
Malicious Activity Summary
Oski
Downloads MZ/PE file
Reads user/profile data of web browsers
Loads dropped DLL
Checks computer location settings
Checks installed software on the system
Accesses cryptocurrency files/wallets, possible credential harvesting
Suspicious use of SetThreadContext
Program crash
Enumerates physical storage devices
Checks processor information in registry
Kills process with taskkill
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-13 17:31
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-13 17:31
Reported
2022-04-13 17:33
Platform
win7-20220331-en
Max time kernel
32s
Max time network
45s
Command Line
Signatures
Oski
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 552 set thread context of 2004 | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe
"C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vCTupI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8113.tmp"
C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe
"{path}"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 112
Network
Files
memory/552-54-0x00000000011C0000-0x0000000001236000-memory.dmp
memory/552-55-0x00000000005D0000-0x00000000005DA000-memory.dmp
memory/552-56-0x0000000004D00000-0x0000000004D7C000-memory.dmp
memory/552-57-0x00000000046C0000-0x00000000046F8000-memory.dmp
memory/1876-58-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8113.tmp
| MD5 | f84ba231d4ee55d7b0b342700955c97a |
| SHA1 | b78ceee269f92201e1513c150255a02b79f800cd |
| SHA256 | 574301f282c7006e67a1d4496d7d879a4b74e13bdce7189fca2661cc249492d4 |
| SHA512 | 491bceb4c5d557d824285cc4ae1461ed6d38f01016342b770d7790ddad00248e58d4c56b92f7ef55fcdcc00d67d32bef3c078f1e6bc4db85f87a282a853e1342 |
memory/2004-61-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-60-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-67-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-69-0x0000000000400000-0x0000000000438000-memory.dmp
memory/2004-70-0x000000000040717B-mapping.dmp
memory/2004-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/1988-73-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-13 17:31
Reported
2022-04-13 17:33
Platform
win10v2004-en-20220113
Max time kernel
132s
Max time network
135s
Command Line
Signatures
Oski
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Reads user/profile data of web browsers
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2380 set thread context of 912 | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Kills process with taskkill
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\taskkill.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe
"C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vCTupI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA601.tmp"
C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe
"{path}"
C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe
"{path}"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /pid 912 & erase C:\Users\Admin\AppData\Local\Temp\Inquirypdf.exe & RD /S /Q C:\\ProgramData\\248520125636642\\* & exit
C:\Windows\SysWOW64\taskkill.exe
taskkill /pid 912
Network
| Country | Destination | Domain | Proto |
| NL | 88.221.144.170:80 | tcp | |
| NL | 88.221.144.170:80 | tcp | |
| US | 8.8.8.8:53 | ndy.derg.tech | udp |
| US | 192.185.16.190:80 | ndy.derg.tech | tcp |
| N/A | 224.0.0.251:5353 | udp |
Files
memory/2380-130-0x0000000000830000-0x00000000008A6000-memory.dmp
memory/2380-131-0x0000000005830000-0x0000000005DD4000-memory.dmp
memory/2380-132-0x0000000005280000-0x0000000005312000-memory.dmp
memory/2380-133-0x0000000005320000-0x00000000053BC000-memory.dmp
memory/2380-134-0x0000000005240000-0x000000000524A000-memory.dmp
memory/4740-135-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpA601.tmp
| MD5 | d584120bab6f3f06a0e71a403fa9732b |
| SHA1 | 4a6936b0d687f1a80201ba794b70f7df7a492cec |
| SHA256 | b4dfa23c4f96367f3cb69e80e16bc5c3709c2387d6712ec9566da47645083c76 |
| SHA512 | 48913548e6969ac7719b9fc26223bc8ea866e025a398a1199b545e284695ecbc1d29820576f38ebf08adc1f2aa18814df03fe0cbe9152c9590a6f588e879dddb |
memory/680-137-0x0000000000000000-mapping.dmp
memory/912-138-0x0000000000000000-mapping.dmp
memory/912-139-0x0000000000400000-0x0000000000438000-memory.dmp
memory/912-140-0x0000000000400000-0x0000000000438000-memory.dmp
memory/912-141-0x0000000000400000-0x0000000000438000-memory.dmp
memory/912-142-0x0000000000400000-0x0000000000438000-memory.dmp
C:\ProgramData\sqlite3.dll
| MD5 | e477a96c8f2b18d6b5c27bde49c990bf |
| SHA1 | e980c9bf41330d1e5bd04556db4646a0210f7409 |
| SHA256 | 16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660 |
| SHA512 | 335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c |
C:\ProgramData\nss3.dll
| MD5 | bfac4e3c5908856ba17d41edcd455a51 |
| SHA1 | 8eec7e888767aa9e4cca8ff246eb2aacb9170428 |
| SHA256 | e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78 |
| SHA512 | 2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66 |
C:\ProgramData\mozglue.dll
| MD5 | 8f73c08a9660691143661bf7332c3c27 |
| SHA1 | 37fa65dd737c50fda710fdbde89e51374d0c204a |
| SHA256 | 3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd |
| SHA512 | 0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89 |
memory/3496-146-0x0000000000000000-mapping.dmp
memory/2852-147-0x0000000000000000-mapping.dmp