Analysis Overview
SHA256
576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31
Threat Level: Known bad
The file d20ea7ca9b2cc27ccdb4eb9bc91d922e was found to be: Known bad.
Malicious Activity Summary
Remcos
Remcos family
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-17 23:58
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-17 23:58
Reported
2024-03-18 00:01
Platform
win7-20240221-en
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
Loads dropped DLL
| 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\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | N/A |
Obfuscated with Agile.Net obfuscator
| 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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2416 set thread context of 2216 | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | C:\Users\Admin\AppData\Local\ftermgr.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\ftermgr.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe | N/A |
| 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 |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.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\ftermgr.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
"C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe
C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 932
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
| US | 8.8.8.8:53 | eastsidepapi.myq-see.com | udp |
Files
memory/2304-0-0x0000000000DB0000-0x0000000000E20000-memory.dmp
memory/2304-1-0x0000000000370000-0x0000000000386000-memory.dmp
memory/2304-2-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2304-3-0x00000000004C0000-0x00000000004C8000-memory.dmp
memory/2304-4-0x00000000049C0000-0x0000000004A00000-memory.dmp
memory/2304-5-0x0000000000920000-0x0000000000928000-memory.dmp
memory/2304-6-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2304-7-0x0000000000B10000-0x0000000000B18000-memory.dmp
memory/2304-9-0x00000000049C0000-0x0000000004A00000-memory.dmp
memory/2304-10-0x0000000074080000-0x000000007476E000-memory.dmp
memory/2732-13-0x0000000073950000-0x0000000073EFB000-memory.dmp
memory/2732-14-0x0000000073950000-0x0000000073EFB000-memory.dmp
memory/2732-15-0x00000000029D0000-0x0000000002A10000-memory.dmp
C:\Users\Admin\AppData\Local\ftermgr.exe
| MD5 | d20ea7ca9b2cc27ccdb4eb9bc91d922e |
| SHA1 | 5b7ec5a5fd1d267f78aa309e533161a6fc5f040c |
| SHA256 | 576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31 |
| SHA512 | e325ad214d62fdd6a8918e8451ef741ae19717a42560a29a786d4ca88ec5d13fc42fdcba6b6d95649e50d91b408fcc2221cea752cfb77ac2f63b3f8d7019b9d3 |
memory/2416-20-0x000000006F940000-0x000000007002E000-memory.dmp
memory/2732-19-0x0000000073950000-0x0000000073EFB000-memory.dmp
memory/2416-22-0x0000000000250000-0x0000000000266000-memory.dmp
memory/2416-21-0x0000000000140000-0x00000000001B0000-memory.dmp
memory/2416-23-0x0000000004510000-0x0000000004550000-memory.dmp
memory/2416-24-0x000000006F940000-0x000000007002E000-memory.dmp
memory/2416-25-0x0000000000580000-0x000000000058A000-memory.dmp
memory/2216-26-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-28-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-29-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-30-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-31-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-32-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2216-37-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-41-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-45-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-49-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2216-46-0x0000000000080000-0x00000000000A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-17 23:58
Reported
2024-03-18 00:01
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
151s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| 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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1556 set thread context of 4000 | N/A | C:\Users\Admin\AppData\Local\ftermgr.exe | C:\Users\Admin\AppData\Local\ftermgr.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\ftermgr.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\ftermgr.exe |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.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\ftermgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe
"C:\Users\Admin\AppData\Local\Temp\d20ea7ca9b2cc27ccdb4eb9bc91d922e.exe"
C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe
C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1556 -ip 1556
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4000 -ip 4000
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 1476
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 500
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| 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 | 8.8.8.8:53 | 208.143.182.52.in-addr.arpa | udp |
Files
memory/1552-1-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1552-0-0x0000000000DA0000-0x0000000000E10000-memory.dmp
memory/1552-2-0x0000000001940000-0x0000000001956000-memory.dmp
memory/1552-3-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/1552-4-0x00000000064B0000-0x0000000006A54000-memory.dmp
memory/1552-5-0x00000000057D0000-0x00000000057D8000-memory.dmp
memory/1552-6-0x0000000005FE0000-0x0000000006072000-memory.dmp
memory/1552-7-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/1552-8-0x0000000006200000-0x0000000006208000-memory.dmp
memory/1552-9-0x0000000006A60000-0x0000000006AA4000-memory.dmp
memory/1552-10-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1552-11-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/1552-12-0x0000000005DE0000-0x0000000005DE8000-memory.dmp
memory/1552-14-0x00000000057E0000-0x00000000057F0000-memory.dmp
memory/3816-16-0x0000000004BA0000-0x0000000004BD6000-memory.dmp
memory/1552-17-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/3816-18-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/3816-20-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/3816-19-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/3816-21-0x0000000005390000-0x00000000059B8000-memory.dmp
memory/3816-22-0x0000000005040000-0x0000000005062000-memory.dmp
memory/3816-23-0x00000000051E0000-0x0000000005246000-memory.dmp
memory/3816-24-0x0000000005250000-0x00000000052B6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_viuqtxda.oq3.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3816-30-0x0000000005B00000-0x0000000005E54000-memory.dmp
memory/3816-35-0x0000000006190000-0x00000000061AE000-memory.dmp
memory/3816-36-0x0000000006220000-0x000000000626C000-memory.dmp
memory/3816-37-0x0000000006670000-0x0000000006706000-memory.dmp
memory/3816-38-0x00000000065F0000-0x000000000660A000-memory.dmp
memory/3816-39-0x0000000006640000-0x0000000006662000-memory.dmp
C:\Users\Admin\AppData\Local\ftermgr.exe
| MD5 | d20ea7ca9b2cc27ccdb4eb9bc91d922e |
| SHA1 | 5b7ec5a5fd1d267f78aa309e533161a6fc5f040c |
| SHA256 | 576ac1695ed2925ded19a4b1cd1b93c1154eedadca1381469f3e799c2357ef31 |
| SHA512 | e325ad214d62fdd6a8918e8451ef741ae19717a42560a29a786d4ca88ec5d13fc42fdcba6b6d95649e50d91b408fcc2221cea752cfb77ac2f63b3f8d7019b9d3 |
memory/1556-45-0x0000000000A30000-0x0000000000A46000-memory.dmp
memory/1556-44-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/3816-47-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1556-46-0x0000000004A10000-0x0000000004A20000-memory.dmp
memory/1556-48-0x0000000004A10000-0x0000000004A20000-memory.dmp
memory/1556-49-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1556-50-0x0000000004A10000-0x0000000004A20000-memory.dmp
memory/1556-51-0x00000000056F0000-0x00000000056FA000-memory.dmp
memory/1556-52-0x0000000004A10000-0x0000000004A20000-memory.dmp
memory/4000-55-0x0000000000140000-0x0000000000160000-memory.dmp
memory/4000-59-0x0000000000140000-0x0000000000160000-memory.dmp
memory/4000-63-0x0000000000140000-0x0000000000160000-memory.dmp
memory/1556-64-0x0000000075320000-0x0000000075AD0000-memory.dmp