Analysis Overview
SHA256
5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634
Threat Level: Likely malicious
The file 5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634 was found to be: Likely malicious.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX packed file
Executes dropped EXE
Loads dropped DLL
Deletes itself
Adds Run key to start application
Unsigned PE
Program crash
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-02 22:29
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-02 22:29
Reported
2024-06-02 22:32
Platform
win7-20240508-en
Max time kernel
150s
Max time network
119s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | N/A |
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fF01831DfIeL01831 = "C:\\ProgramData\\fF01831DfIeL01831\\fF01831DfIeL01831.exe" | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
| N/A | N/A | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2952 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe |
| PID 2952 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe |
| PID 2952 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe |
| PID 2952 wrote to memory of 2720 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe
"C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe
"C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe" "C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
Network
| Country | Destination | Domain | Proto |
| IR | 95.64.55.45:80 | tcp | |
| IR | 95.64.55.45:80 | tcp |
Files
memory/2952-0-0x0000000000230000-0x0000000000233000-memory.dmp
memory/2952-3-0x0000000000400000-0x00000000004F8000-memory.dmp
\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831.exe
| MD5 | cdf7e90a508a1c306ebbdd65f478cf9d |
| SHA1 | 22058a92e46dc1c7820653088c0d92178a88d9ff |
| SHA256 | 269cf4fd2aa75249e44bec32f938fcf2bdd4df02859547b2acae757f1ec624ca |
| SHA512 | 078bae1def4fd110e59700e8e1e46951d73d05507f2662ac2dbad87414c51c2d525b15a67f2e98073f95c2bac6364b82dbed0cdd18a171336e55f8950387f63e |
memory/2952-18-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/2720-19-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/2720-25-0x0000000000400000-0x00000000004F8000-memory.dmp
C:\ProgramData\fF01831DfIeL01831\fF01831DfIeL01831
| MD5 | 7760361d8d486c8c1233bda7ce4ca5cd |
| SHA1 | 7f83a223493d94799398745565f72f6d61051258 |
| SHA256 | 44ef8bfc6e157bc20ba5f33469ef3dbd8837a6770c2c3460b6889801a8d4983b |
| SHA512 | 6c1320888b42c1214e1d7f9c5d4336b130fc1b856cc97db348cda6ac771f2f2ac939f09efe12f6ea577602d9cee4aae7d98d500bc7506e11c6ed4fb6858f2874 |
memory/2720-29-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/2720-38-0x0000000000400000-0x00000000004F8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-02 22:29
Reported
2024-06-02 22:32
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
156s
Command Line
Signatures
UPX dump on OEP (original entry point)
| 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 |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\pJ01831KoMbF01831 = "C:\\ProgramData\\pJ01831KoMbF01831\\pJ01831KoMbF01831.exe" | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
| N/A | N/A | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 940 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe |
| PID 940 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe |
| PID 940 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe | C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe
"C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 940 -ip 940
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 724
C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe
"C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe" "C:\Users\Admin\AppData\Local\Temp\5c8fcc613c5aafd53123746456bc9726f3cd2c74e269f2f41df80aa6a87bf634.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5104 -ip 5104
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 724
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| IR | 95.64.55.45:80 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.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 | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/940-0-0x0000000002220000-0x0000000002223000-memory.dmp
memory/940-6-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/940-11-0x0000000000400000-0x00000000004F8000-memory.dmp
C:\ProgramData\pJ01831KoMbF01831\pJ01831KoMbF01831.exe
| MD5 | fdd505bc89b87565b1b486729427393f |
| SHA1 | ad50e6b2fd556d6c0e3bc7165464f4543eafd84e |
| SHA256 | 791af1e3a64877150f1bb93cddd0547a755dffa572cef18ee000056e531f4ca8 |
| SHA512 | 40e4181892b7ba08a27addf719ec916c96d9afe89cd1c0588ddc55a3a4f5260d5347ff8850b768adaf4e0198096dd1b3a6b1d7f6883f565ca0e2b3f878bc8337 |
memory/5104-14-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/5104-17-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/5104-23-0x0000000000400000-0x00000000004F8000-memory.dmp
memory/5104-30-0x0000000000400000-0x00000000004F8000-memory.dmp