Analysis Overview
SHA256
406443462ef7c000ded1f4d0286e69be56cf48988f1d7f614b456f9037182612
Threat Level: Shows suspicious behavior
The file 55df5179a90de41691dd26553b8264c0_NEAS was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Reads user/profile data of web browsers
Deletes itself
Loads dropped DLL
Enumerates connected drives
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Drops file in Program Files directory
Unsigned PE
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-07 02:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-07 02:59
Reported
2024-05-07 03:02
Platform
win7-20240221-en
Max time kernel
144s
Max time network
148s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\COAPI = "c:\\Program Files\\lxqxo\\wcwiqcbz.exe \"c:\\Program Files\\lxqxo\\wcwiqcbz.dll\",ClassObject" | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Enumerates connected drives
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
| File opened for modification | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
| File opened for modification | \??\c:\Program Files\lxqxo | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
| File created | \??\c:\Program Files\lxqxo\wcwiqcbz.dll | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
| N/A | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\lxqxo\wcwiqcbz.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\qokpi.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qokpi.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\qokpi.exe
C:\Users\Admin\AppData\Local\Temp\\qokpi.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
\??\c:\Program Files\lxqxo\wcwiqcbz.exe
"c:\Program Files\lxqxo\wcwiqcbz.exe" "c:\Program Files\lxqxo\wcwiqcbz.dll",ClassObject C:\Users\Admin\AppData\Local\Temp\qokpi.exe
Network
| Country | Destination | Domain | Proto |
| US | 107.163.56.231:18530 | 107.163.56.231 | tcp |
| US | 107.163.56.110:18530 | 107.163.56.110 | tcp |
| US | 107.163.56.251:6658 | tcp | |
| US | 107.163.56.232:18963 | 107.163.56.232 | tcp |
| US | 107.163.56.232:18963 | tcp | |
| US | 107.163.56.232:18963 | tcp | |
| US | 107.163.56.251:6658 | tcp | |
| US | 107.163.56.251:6658 | tcp |
Files
memory/2856-0-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/2856-1-0x0000000000401000-0x0000000000475000-memory.dmp
memory/2856-3-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/2856-4-0x0000000000401000-0x0000000000475000-memory.dmp
\Users\Admin\AppData\Local\Temp\qokpi.exe
| MD5 | 2c1cf11b5013b363da80bb78f105a82b |
| SHA1 | aa4c07f6f2f7dfa224ca7959d443a768573278be |
| SHA256 | ec40b63574918d40c752d30ad99fd249de0305f5641bccf57a80b575ede48e08 |
| SHA512 | 7474f8342eecd66a03024a3fcbd5882ddd2b594ba78b22a7d61f5412fabb5fae0d162fdac29a5b6804f5cd26d2ca8f883012e3fbd6a8c6bae45e72c81ddc5db4 |
memory/1196-7-0x00000000024C0000-0x000000000257F000-memory.dmp
memory/2108-10-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/2108-11-0x0000000000400000-0x00000000004BEBC6-memory.dmp
\Program Files\lxqxo\wcwiqcbz.exe
| MD5 | 51138beea3e2c21ec44d0932c71762a8 |
| SHA1 | 8939cf35447b22dd2c6e6f443446acc1bf986d58 |
| SHA256 | 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124 |
| SHA512 | 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d |
memory/2108-18-0x0000000000400000-0x00000000004BEBC6-memory.dmp
\Program Files\lxqxo\wcwiqcbz.dll
| MD5 | 4cc6f477e5934fdfd31da67c27a0ac96 |
| SHA1 | f94079343827b1e2705d815ff153fb358d55a95b |
| SHA256 | dff181e38176c754a34d981bd1ff684b8216206a1601a2a7c2e10c554ff3065a |
| SHA512 | 8a61ae77f5b846b504e7355340be9840635307fc2addc63269f6fad7d5aea0e6d528304ba07869a765242c97fb60db0943737bd7a4be43b050d235cf34d6fd57 |
memory/2716-25-0x0000000010000000-0x0000000010070000-memory.dmp
memory/2716-26-0x0000000010000000-0x0000000010070000-memory.dmp
memory/2716-28-0x0000000010000000-0x0000000010070000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-07 02:59
Reported
2024-05-07 03:02
Platform
win10v2004-20240419-en
Max time kernel
130s
Max time network
146s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\COAPI = "c:\\Program Files\\cftsxig\\jbnuj.exe \"c:\\Program Files\\cftsxig\\jbnuj.dll\",ClassObject" | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Enumerates connected drives
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | \??\c:\Program Files\cftsxig\jbnuj.dll | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
| File created | \??\c:\Program Files\cftsxig\jbnuj.exe | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
| File opened for modification | \??\c:\Program Files\cftsxig\jbnuj.exe | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
| File opened for modification | \??\c:\Program Files\cftsxig | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
| N/A | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | \??\c:\Program Files\cftsxig\jbnuj.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\uqezluo.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\uqezluo.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 2
C:\Users\Admin\AppData\Local\Temp\uqezluo.exe
C:\Users\Admin\AppData\Local\Temp\\uqezluo.exe "C:\Users\Admin\AppData\Local\Temp\55df5179a90de41691dd26553b8264c0_NEAS.exe"
\??\c:\Program Files\cftsxig\jbnuj.exe
"c:\Program Files\cftsxig\jbnuj.exe" "c:\Program Files\cftsxig\jbnuj.dll",ClassObject C:\Users\Admin\AppData\Local\Temp\uqezluo.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| NL | 23.62.61.97:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 97.61.62.23.in-addr.arpa | udp |
| US | 107.163.56.231:18530 | 107.163.56.231 | tcp |
| US | 8.8.8.8:53 | 231.56.163.107.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 107.163.56.110:18530 | 107.163.56.110 | tcp |
| US | 8.8.8.8:53 | 110.56.163.107.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 107.163.56.251:6658 | tcp | |
| US | 107.163.56.232:18963 | tcp | |
| US | 107.163.56.232:18963 | tcp | |
| US | 107.163.56.232:18963 | tcp | |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.251.17.2.in-addr.arpa | udp |
| US | 107.163.56.251:6658 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 107.163.56.251:6658 | tcp | |
| US | 107.163.56.251:6658 | tcp |
Files
memory/3664-0-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/3664-1-0x0000000000401000-0x0000000000475000-memory.dmp
memory/3664-3-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/3664-4-0x0000000000401000-0x0000000000475000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\uqezluo.exe
| MD5 | f59cffd900e19158ce2bc2bcbd227179 |
| SHA1 | ef4c0feace972f70bb95cdf76df551e18e170a2b |
| SHA256 | a27463c953b577360e8ffee0271f27b9579d2f8a91dd2673e3fb21e3a2001ede |
| SHA512 | ba9696cf058bc49308b66d1064db618d1e3cdf0f1b92d8d9608b882b3201e920d068e9820a73d0c17320f8e92f69af14cd386c167c2e404e4145e43701aa13d0 |
memory/1612-8-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/1612-9-0x0000000000400000-0x00000000004BEBC6-memory.dmp
C:\Program Files\cftsxig\jbnuj.exe
| MD5 | 889b99c52a60dd49227c5e485a016679 |
| SHA1 | 8fa889e456aa646a4d0a4349977430ce5fa5e2d7 |
| SHA256 | 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910 |
| SHA512 | 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641 |
\??\c:\Program Files\cftsxig\jbnuj.dll
| MD5 | 8c444e8a00905affa39434ccc858c4da |
| SHA1 | 1a822ce25df124ebaec8c2b5472ce6d9effaddbe |
| SHA256 | 9d3a85922b60d20db6e700730482ed2bc528c7ff8793437e0f8d01280c350e0d |
| SHA512 | 505a5f8194c1a73d277a24559f5260164dbe1f94d05ba66033e23b51f75f93d2188726e2b7373a4bf909553dae31cdff06a5290955c871de913ce7d2b161f0c4 |
memory/3916-18-0x0000000010000000-0x0000000010070000-memory.dmp
memory/1612-17-0x0000000000400000-0x00000000004BEBC6-memory.dmp
memory/3916-19-0x0000000010000000-0x0000000010070000-memory.dmp
memory/3916-21-0x0000000010000000-0x0000000010070000-memory.dmp