Analysis Overview
SHA256
1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062
Threat Level: Known bad
The file 1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062 was found to be: Known bad.
Malicious Activity Summary
NanoCore
UPX packed file
Checks computer location settings
Uses the VBS compiler for execution
Adds Run key to start application
Suspicious use of SetThreadContext
AutoIT Executable
Drops file in Program Files directory
Program crash
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-27 00:01
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-27 00:01
Reported
2022-11-27 17:40
Platform
win7-20221111-en
Max time kernel
190s
Max time network
207s
Command Line
Signatures
NanoCore
UPX packed file
| 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 |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
AutoIT Executable
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1768 set thread context of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\ISS Manager\issmgr.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
| File opened for modification | C:\Program Files (x86)\ISS Manager\issmgr.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe
"C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe"
C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe
"C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" /AutoIt3ExecuteScript "C:\Users\Admin\AppData\Local\Temp\lf2" "C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" "1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.4.4:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.8.8:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.8.8:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.4.4:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.8.8:53 | moftsvs.ig42.org | udp |
| N/A | 8.8.4.4:53 | moftsvs.ig42.org | udp |
| N/A | 212.7.192.242:9045 | tcp | |
| N/A | 212.7.192.242:9045 | tcp | |
| N/A | 212.7.192.242:9045 | tcp |
Files
memory/960-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
memory/960-55-0x0000000000040000-0x00000000001A5000-memory.dmp
memory/960-56-0x0000000003E70000-0x0000000003FD5000-memory.dmp
memory/1768-57-0x0000000000000000-mapping.dmp
memory/960-59-0x0000000000040000-0x00000000001A5000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\lf2
| MD5 | be7a4ea468b142994adae5c442dfdd06 |
| SHA1 | 606fb007510259993f4726a8d0b1f41fa1de23d9 |
| SHA256 | d399db8ae87b1d97732184cd2bbf67d745c4146cf8d6d33e26bedcfd53384064 |
| SHA512 | c55609f24408106a2e171cd7f691eeecb81b99be6023bdec672e578bf5bfc5ca787d94d9a5affff98a0c996771ba5da5d53d4b499240571b957a90c0e3059511 |
C:\Users\Admin\AppData\Local\Temp\ger
| MD5 | 62cddffde88715a338548dbfa47b555c |
| SHA1 | 17d9eed664beee32f9fa62d61daaaac931885e51 |
| SHA256 | 06538639dc35c0781397871581f21949a11afd5080d0f6a69b5c09c8d278cb8a |
| SHA512 | 0fe70f5fae9ca1fee043b00bd0119dc1c5a7055881c1ed91a725a8cf7476c365e0b0d621ce35b5e6ff9e07687e5fa8901c47c4496297723288b10b39bbaa5442 |
memory/844-63-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-65-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-62-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-66-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-68-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-69-0x000000000041E792-mapping.dmp
memory/1768-71-0x0000000000040000-0x00000000001A5000-memory.dmp
memory/844-72-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-74-0x0000000000400000-0x0000000000438000-memory.dmp
memory/844-76-0x0000000000350000-0x000000000035A000-memory.dmp
memory/844-77-0x0000000000360000-0x000000000037E000-memory.dmp
memory/844-78-0x00000000003C0000-0x00000000003CA000-memory.dmp
memory/844-79-0x0000000005055000-0x0000000005066000-memory.dmp
memory/844-80-0x0000000005055000-0x0000000005066000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-27 00:01
Reported
2022-11-27 17:38
Platform
win10v2004-20220901-en
Max time kernel
112s
Max time network
118s
Command Line
Signatures
NanoCore
UPX packed file
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4304 set thread context of 3968 | N/A | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe
"C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe"
C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe
"C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" /AutoIt3ExecuteScript "C:\Users\Admin\AppData\Local\Temp\lf2" "C:\Users\Admin\AppData\Local\Temp\1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe" "1b7ba0a5a26b2a0fe9d98fdddb8e2be089bd502daceaece542b91848e75d1062.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3968 -ip 3968
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3968 -s 12
Network
| Country | Destination | Domain | Proto |
| N/A | 2.18.109.224:443 | tcp | |
| N/A | 20.50.80.209:443 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp | |
| N/A | 209.197.3.8:80 | tcp |
Files
memory/4252-132-0x0000000000CE0000-0x0000000000E45000-memory.dmp
memory/4304-133-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\lf2
| MD5 | be7a4ea468b142994adae5c442dfdd06 |
| SHA1 | 606fb007510259993f4726a8d0b1f41fa1de23d9 |
| SHA256 | d399db8ae87b1d97732184cd2bbf67d745c4146cf8d6d33e26bedcfd53384064 |
| SHA512 | c55609f24408106a2e171cd7f691eeecb81b99be6023bdec672e578bf5bfc5ca787d94d9a5affff98a0c996771ba5da5d53d4b499240571b957a90c0e3059511 |
memory/4252-135-0x0000000000CE0000-0x0000000000E45000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ger
| MD5 | 62cddffde88715a338548dbfa47b555c |
| SHA1 | 17d9eed664beee32f9fa62d61daaaac931885e51 |
| SHA256 | 06538639dc35c0781397871581f21949a11afd5080d0f6a69b5c09c8d278cb8a |
| SHA512 | 0fe70f5fae9ca1fee043b00bd0119dc1c5a7055881c1ed91a725a8cf7476c365e0b0d621ce35b5e6ff9e07687e5fa8901c47c4496297723288b10b39bbaa5442 |
memory/3968-137-0x0000000000000000-mapping.dmp
memory/3968-138-0x0000000000400000-0x0000000000438000-memory.dmp
memory/4304-139-0x0000000000CE0000-0x0000000000E45000-memory.dmp