Analysis Overview
SHA256
c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21
Threat Level: Known bad
The file 439c8eaf5105f874659e06ecca63e66b.exe was found to be: Known bad.
Malicious Activity Summary
AgentTesla
PureCrypter
Purecrypter family
Reads user/profile data of web browsers
Checks computer location settings
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Looks up external IP address via web service
Adds Run key to start application
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Enumerates physical storage devices
outlook_office_path
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-24 14:33
Signatures
Purecrypter family
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-24 14:33
Reported
2023-02-24 14:35
Platform
win7-20230220-en
Max time kernel
53s
Max time network
150s
Command Line
Signatures
AgentTesla
PureCrypter
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\nEdIOIr = "C:\\Users\\Admin\\AppData\\Roaming\\nEdIOIr\\nEdIOIr.exe" | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 904 set thread context of 1484 | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
"C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.ugr.leszczynskie.net | udp |
| PL | 185.11.102.185:80 | www.ugr.leszczynskie.net | tcp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 64.185.227.155:443 | api.ipify.org | tcp |
Files
memory/904-54-0x00000000011D0000-0x00000000011DC000-memory.dmp
memory/904-55-0x00000000049B0000-0x00000000049F0000-memory.dmp
memory/904-56-0x0000000005870000-0x0000000005922000-memory.dmp
memory/904-57-0x0000000000610000-0x000000000062A000-memory.dmp
memory/2024-60-0x0000000002030000-0x0000000002070000-memory.dmp
memory/2024-61-0x0000000002030000-0x0000000002070000-memory.dmp
memory/904-62-0x00000000049B0000-0x00000000049F0000-memory.dmp
memory/2024-63-0x0000000002030000-0x0000000002070000-memory.dmp
memory/2024-64-0x0000000002030000-0x0000000002070000-memory.dmp
memory/1484-69-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1484-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-72-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-74-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-75-0x0000000000DC0000-0x0000000000E00000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabF164.tmp
| MD5 | fc4666cbca561e864e7fdf883a9e6661 |
| SHA1 | 2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5 |
| SHA256 | 10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b |
| SHA512 | c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d |
memory/1484-100-0x0000000000DC0000-0x0000000000E00000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-24 14:33
Reported
2023-02-24 14:35
Platform
win10v2004-20230220-en
Max time kernel
132s
Max time network
136s
Command Line
Signatures
AgentTesla
PureCrypter
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nEdIOIr = "C:\\Users\\Admin\\AppData\\Roaming\\nEdIOIr\\nEdIOIr.exe" | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 388 set thread context of 4576 | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
"C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
C:\Users\Admin\AppData\Local\Temp\439c8eaf5105f874659e06ecca63e66b.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.ugr.leszczynskie.net | udp |
| PL | 185.11.102.185:80 | www.ugr.leszczynskie.net | tcp |
| US | 8.8.8.8:53 | 185.102.11.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.81.184.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 13.89.179.8:443 | tcp | |
| US | 173.231.16.76:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 76.16.231.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | dropbuyinc.ga | udp |
| NL | 185.246.221.63:80 | dropbuyinc.ga | tcp |
| US | 8.8.8.8:53 | 63.221.246.185.in-addr.arpa | udp |
| NL | 8.238.20.126:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| NL | 8.238.20.126:80 | tcp |
Files
memory/388-133-0x0000000000900000-0x000000000090C000-memory.dmp
memory/388-134-0x00000000051D0000-0x00000000051E0000-memory.dmp
memory/388-135-0x0000000006540000-0x0000000006562000-memory.dmp
memory/628-136-0x0000000002BB0000-0x0000000002BE6000-memory.dmp
memory/628-137-0x0000000005720000-0x0000000005D48000-memory.dmp
memory/628-138-0x0000000003060000-0x0000000003070000-memory.dmp
memory/628-139-0x0000000003060000-0x0000000003070000-memory.dmp
memory/628-140-0x0000000005DF0000-0x0000000005E56000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5l3dggnm.lxc.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/628-146-0x0000000005ED0000-0x0000000005F36000-memory.dmp
memory/628-151-0x00000000064D0000-0x00000000064EE000-memory.dmp
memory/628-152-0x0000000007B10000-0x000000000818A000-memory.dmp
memory/628-153-0x0000000003060000-0x0000000003070000-memory.dmp
memory/628-154-0x00000000069F0000-0x0000000006A0A000-memory.dmp
memory/388-155-0x00000000051D0000-0x00000000051E0000-memory.dmp
memory/628-156-0x0000000003060000-0x0000000003070000-memory.dmp
memory/628-157-0x0000000003060000-0x0000000003070000-memory.dmp
memory/628-158-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4576-162-0x0000000000400000-0x0000000000430000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\439c8eaf5105f874659e06ecca63e66b.exe.log
| MD5 | 3a9188331a78f1dbce606db64b841fcb |
| SHA1 | 8e2c99b7c477d06591a856a4ea3e1e214719eee8 |
| SHA256 | db4137e258a0f6159fda559a5f6dd2704be0582c3f0586f65040c7ad1eb68451 |
| SHA512 | d1a994610a045d89d5d306866c24ae56bf16555414b8f63f632552568e67b5586f26d5a17a1f0a55ada376730298e6d856e9161828d4eae9decfa4e015e0e90a |
memory/4576-165-0x0000000005C40000-0x00000000061E4000-memory.dmp
memory/4576-166-0x00000000057C0000-0x00000000057D0000-memory.dmp
memory/4576-167-0x0000000006F60000-0x0000000006FF2000-memory.dmp
memory/4576-170-0x0000000006F30000-0x0000000006F3A000-memory.dmp
memory/4576-171-0x00000000071D0000-0x0000000007220000-memory.dmp
memory/4576-172-0x0000000007500000-0x00000000076C2000-memory.dmp
memory/4576-179-0x00000000057C0000-0x00000000057D0000-memory.dmp