Analysis Overview
SHA256
d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c
Threat Level: Known bad
The file tmp was found to be: Known bad.
Malicious Activity Summary
Formbook
Xloader
Xloader payload
Adds policy Run key to start application
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-01-25 21:13
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-01-25 21:13
Reported
2023-01-25 21:15
Platform
win7-20220812-en
Max time kernel
145s
Max time network
149s
Command Line
Signatures
Formbook
Xloader
Xloader payload
| 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 |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\mstsc.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\YXZDLRUH5 = "C:\\Program Files (x86)\\Gmbi4508\\ms2d-.exe" | C:\Windows\SysWOW64\mstsc.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1648 set thread context of 1556 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 1556 set thread context of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Windows\Explorer.EXE |
| PID 1556 set thread context of 1260 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Windows\Explorer.EXE |
| PID 1396 set thread context of 1260 | N/A | C:\Windows\SysWOW64\mstsc.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Gmbi4508\ms2d-.exe | C:\Windows\SysWOW64\mstsc.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\mstsc.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe" C:\Users\Admin\AppData\Local\Temp\ucpha.v
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"
C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"
C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | www.pmtj013.xyz | udp |
| N/A | 8.8.8.8:53 | www.w3bsports.club | udp |
| N/A | 34.102.136.180:80 | www.w3bsports.club | tcp |
| N/A | 8.8.8.8:53 | www.look856.com | udp |
| N/A | 180.215.68.138:80 | www.look856.com | tcp |
| N/A | 8.8.8.8:53 | www.anglicanadebrasilia.com | udp |
| N/A | 149.62.37.97:80 | www.anglicanadebrasilia.com | tcp |
| N/A | 8.8.8.8:53 | www.crimsonnight.org | udp |
| N/A | 34.117.168.233:80 | www.crimsonnight.org | tcp |
| N/A | 8.8.8.8:53 | www.peiphitan.com | udp |
| N/A | 192.64.115.133:80 | www.peiphitan.com | tcp |
| N/A | 8.8.8.8:53 | www.sqlite.org | udp |
| N/A | 45.33.6.223:80 | www.sqlite.org | tcp |
| N/A | 8.8.8.8:53 | www.232ppp.com | udp |
| N/A | 156.235.245.66:80 | www.232ppp.com | tcp |
| N/A | 8.8.8.8:53 | www.232ppp.com | udp |
| N/A | 156.235.245.66:80 | www.232ppp.com | tcp |
| N/A | 8.8.8.8:53 | www.ppparadise.xyz | udp |
| N/A | 133.167.73.73:80 | www.ppparadise.xyz | tcp |
| N/A | 8.8.8.8:53 | www.unimeet.club | udp |
| N/A | 34.117.168.233:80 | www.unimeet.club | tcp |
| N/A | 8.8.8.8:53 | www.adcki-xenmk.com | udp |
| N/A | 8.8.8.8:53 | www.drzjup.space | udp |
| N/A | 172.255.33.179:80 | www.drzjup.space | tcp |
Files
memory/1916-54-0x0000000075C51000-0x0000000075C53000-memory.dmp
\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
memory/1648-56-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
C:\Users\Admin\AppData\Local\Temp\ucpha.v
| MD5 | d934356067b6133646fad1aa12371a1e |
| SHA1 | 23fe2ea62be0949a32ea6609345a8b8d27ce3757 |
| SHA256 | 81f2eb3bd3c2135b0d6abdcc4f2e6427a76dac558928d4c8beb648a045010ae5 |
| SHA512 | 26b50a5599353328bfc4609754ead9efd9e4084e4fdb6a9479ad56ea79aed81648de897e66c3dd1c9de1cdb6eba04855e4498f0d8d09f7804224ba27ceab91d8 |
C:\Users\Admin\AppData\Local\Temp\hcmpu.cqa
| MD5 | 28eed71dacb4522dbf2c1aeca39e2c5d |
| SHA1 | b5633dcf66f1657552ba992c55e7124250c23a35 |
| SHA256 | 22bfb554d299b3fc4686643b0522384db2c92ebf64bd80475439b8dd9bbe7bc5 |
| SHA512 | 7f08bc8237868fb6509baafd3c4a01663b0577ebec86aef9cb185bec13acb8c5787604329a85c74a2ebbc3f39933929a2f36ea21513330124bd2d66363e54cae |
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
memory/1556-62-0x000000000041FF10-mapping.dmp
memory/1556-64-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1556-65-0x0000000000730000-0x0000000000A33000-memory.dmp
memory/1556-66-0x0000000000480000-0x0000000000491000-memory.dmp
memory/1260-67-0x0000000005EA0000-0x0000000005F93000-memory.dmp
memory/1556-68-0x00000000006C0000-0x00000000006D1000-memory.dmp
memory/1260-69-0x0000000006020000-0x00000000060FE000-memory.dmp
memory/1396-70-0x0000000000000000-mapping.dmp
memory/1556-71-0x0000000000400000-0x000000000042C000-memory.dmp
memory/948-73-0x0000000000000000-mapping.dmp
memory/1396-75-0x0000000000080000-0x00000000000AC000-memory.dmp
memory/1396-74-0x0000000000F40000-0x0000000001044000-memory.dmp
memory/1396-76-0x0000000000AF0000-0x0000000000DF3000-memory.dmp
memory/1396-77-0x0000000000970000-0x0000000000A00000-memory.dmp
memory/1260-78-0x0000000002C60000-0x0000000002CFC000-memory.dmp
memory/1396-79-0x0000000000080000-0x00000000000AC000-memory.dmp
memory/1260-80-0x0000000002C60000-0x0000000002CFC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-01-25 21:13
Reported
2023-01-25 21:15
Platform
win10v2004-20221111-en
Max time kernel
148s
Max time network
149s
Command Line
Signatures
Formbook
Xloader
Xloader payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2000 set thread context of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 2132 set thread context of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Windows\Explorer.EXE |
| PID 2132 set thread context of 2744 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Windows\Explorer.EXE |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 764 wrote to memory of 2000 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 764 wrote to memory of 2000 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 764 wrote to memory of 2000 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 2000 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 2000 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 2000 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
| PID 2000 wrote to memory of 2132 | N/A | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe | C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe" C:\Users\Admin\AppData\Local\Temp\ucpha.v
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.248.99.254:80 | tcp | |
| N/A | 20.42.65.88:443 | tcp | |
| N/A | 8.238.20.126:80 | tcp | |
| N/A | 8.238.20.126:80 | tcp | |
| N/A | 8.238.20.126:80 | tcp | |
| N/A | 104.80.225.205:443 | tcp |
Files
memory/2000-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
C:\Users\Admin\AppData\Local\Temp\ucpha.v
| MD5 | d934356067b6133646fad1aa12371a1e |
| SHA1 | 23fe2ea62be0949a32ea6609345a8b8d27ce3757 |
| SHA256 | 81f2eb3bd3c2135b0d6abdcc4f2e6427a76dac558928d4c8beb648a045010ae5 |
| SHA512 | 26b50a5599353328bfc4609754ead9efd9e4084e4fdb6a9479ad56ea79aed81648de897e66c3dd1c9de1cdb6eba04855e4498f0d8d09f7804224ba27ceab91d8 |
C:\Users\Admin\AppData\Local\Temp\hcmpu.cqa
| MD5 | 28eed71dacb4522dbf2c1aeca39e2c5d |
| SHA1 | b5633dcf66f1657552ba992c55e7124250c23a35 |
| SHA256 | 22bfb554d299b3fc4686643b0522384db2c92ebf64bd80475439b8dd9bbe7bc5 |
| SHA512 | 7f08bc8237868fb6509baafd3c4a01663b0577ebec86aef9cb185bec13acb8c5787604329a85c74a2ebbc3f39933929a2f36ea21513330124bd2d66363e54cae |
memory/2132-137-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe
| MD5 | d8394c44bc790e1bdab00823f689c1bd |
| SHA1 | 735d8986424e2ab3440f49a7a720ecaad43d491d |
| SHA256 | 234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007 |
| SHA512 | c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e |
memory/2132-139-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2132-140-0x0000000000BF0000-0x0000000000F3A000-memory.dmp
memory/2132-141-0x0000000000B10000-0x0000000000B21000-memory.dmp
memory/2744-142-0x0000000003310000-0x000000000343E000-memory.dmp
memory/2132-143-0x0000000000B80000-0x0000000000B91000-memory.dmp
memory/2744-144-0x0000000008D30000-0x0000000008E5B000-memory.dmp
memory/2132-145-0x0000000000400000-0x000000000042C000-memory.dmp