Analysis Overview
SHA256
b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7
Threat Level: Known bad
The file c5d83978e778e5917e5c899e150c0348 was found to be: Known bad.
Malicious Activity Summary
Remcos family
Remcos
Obfuscated with Agile.Net obfuscator
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-13 12:12
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-13 12:12
Reported
2024-03-13 12:14
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
155s
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 |
| 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-1-5-21-1904519900-954640453-4250331663-1000\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 2936 set thread context of 1176 | 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
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.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\c5d83978e778e5917e5c899e150c0348.exe
"C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.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:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4048 --field-trial-handle=2432,i,12161922670941700748,3348345705955601576,262144 --variations-seed-version /prefetch:8
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 184 -p 2936 -ip 2936
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 1480
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 100.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | 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/2340-0-0x0000000075050000-0x0000000075800000-memory.dmp
memory/2340-1-0x0000000000420000-0x0000000000490000-memory.dmp
memory/2340-2-0x0000000002A10000-0x0000000002A26000-memory.dmp
memory/2340-3-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/2340-4-0x0000000005C50000-0x00000000061F4000-memory.dmp
memory/2340-5-0x00000000050B0000-0x00000000050B8000-memory.dmp
memory/2340-6-0x0000000005790000-0x0000000005822000-memory.dmp
memory/2340-7-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/2340-8-0x0000000005BD0000-0x0000000005BD8000-memory.dmp
memory/2340-9-0x0000000006200000-0x0000000006244000-memory.dmp
memory/2340-10-0x0000000075050000-0x0000000075800000-memory.dmp
memory/2340-11-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/2340-12-0x0000000005C00000-0x0000000005C08000-memory.dmp
memory/2340-14-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/2340-16-0x0000000075050000-0x0000000075800000-memory.dmp
memory/4868-18-0x0000000075050000-0x0000000075800000-memory.dmp
memory/4868-17-0x0000000002BB0000-0x0000000002BE6000-memory.dmp
memory/4868-19-0x0000000002C70000-0x0000000002C80000-memory.dmp
memory/4868-20-0x0000000002C70000-0x0000000002C80000-memory.dmp
memory/4868-21-0x0000000005630000-0x0000000005C58000-memory.dmp
memory/4868-22-0x0000000005510000-0x0000000005532000-memory.dmp
memory/4868-23-0x0000000005E10000-0x0000000005E76000-memory.dmp
memory/4868-24-0x0000000005E80000-0x0000000005EE6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_40xwd4tn.mqj.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4868-34-0x0000000005FF0000-0x0000000006344000-memory.dmp
memory/4868-35-0x00000000064F0000-0x000000000650E000-memory.dmp
memory/4868-36-0x0000000006530000-0x000000000657C000-memory.dmp
memory/4868-37-0x0000000006A60000-0x0000000006AF6000-memory.dmp
memory/4868-39-0x0000000006A30000-0x0000000006A52000-memory.dmp
memory/4868-38-0x00000000069E0000-0x00000000069FA000-memory.dmp
C:\Users\Admin\AppData\Local\ftermgr.exe
| MD5 | c5d83978e778e5917e5c899e150c0348 |
| SHA1 | 8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d |
| SHA256 | b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7 |
| SHA512 | 1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8 |
memory/2936-45-0x0000000001290000-0x00000000012A6000-memory.dmp
memory/2936-42-0x0000000075050000-0x0000000075800000-memory.dmp
memory/4868-46-0x0000000075050000-0x0000000075800000-memory.dmp
memory/2936-47-0x0000000005140000-0x0000000005150000-memory.dmp
memory/2936-48-0x0000000005140000-0x0000000005150000-memory.dmp
memory/2936-49-0x0000000075050000-0x0000000075800000-memory.dmp
memory/2936-50-0x0000000005140000-0x0000000005150000-memory.dmp
memory/2936-51-0x0000000005F00000-0x0000000005F0A000-memory.dmp
memory/2936-52-0x0000000005140000-0x0000000005150000-memory.dmp
memory/1176-53-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1176-56-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1176-57-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1176-59-0x0000000000400000-0x0000000000420000-memory.dmp
memory/1176-60-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2936-61-0x0000000075050000-0x0000000075800000-memory.dmp
memory/1176-64-0x0000000000400000-0x0000000000420000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-13 12:12
Reported
2024-03-13 12:14
Platform
win7-20240221-en
Max time kernel
150s
Max time network
153s
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\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 2392 set thread context of 1744 | 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\c5d83978e778e5917e5c899e150c0348.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.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:\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\c5d83978e778e5917e5c899e150c0348.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\c5d83978e778e5917e5c899e150c0348.exe
"C:\Users\Admin\AppData\Local\Temp\c5d83978e778e5917e5c899e150c0348.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 2392 -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 |
Files
memory/300-0-0x0000000001180000-0x00000000011F0000-memory.dmp
memory/300-1-0x0000000074C80000-0x000000007536E000-memory.dmp
memory/300-2-0x0000000000280000-0x0000000000296000-memory.dmp
memory/300-3-0x0000000000550000-0x0000000000558000-memory.dmp
memory/300-4-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/300-5-0x0000000000570000-0x0000000000578000-memory.dmp
memory/300-6-0x0000000074C80000-0x000000007536E000-memory.dmp
memory/300-7-0x00000000007A0000-0x00000000007A8000-memory.dmp
memory/300-9-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/300-10-0x0000000074C80000-0x000000007536E000-memory.dmp
memory/2484-13-0x0000000074550000-0x0000000074AFB000-memory.dmp
memory/2484-14-0x0000000074550000-0x0000000074AFB000-memory.dmp
memory/2484-15-0x0000000002690000-0x00000000026D0000-memory.dmp
C:\Users\Admin\AppData\Local\ftermgr.exe
| MD5 | c5d83978e778e5917e5c899e150c0348 |
| SHA1 | 8a4c39d05620ab38ca0137764c5ba1f0ba84cf4d |
| SHA256 | b29733bbb2375bdea62b30adc83fb67bdb148b4c27bda373d4ddbf69dfca0ff7 |
| SHA512 | 1fcad7f731906f2ff19632ad5f5f01cbd48765a5b6c4548e8973ba4668a122f4ec291acc36821bf042d19662f172dff316110c955d18a4c2cd1c9996e65b64c8 |
memory/2484-19-0x0000000074550000-0x0000000074AFB000-memory.dmp
memory/2392-20-0x00000000705F0000-0x0000000070CDE000-memory.dmp
memory/2392-21-0x0000000000F10000-0x0000000000F80000-memory.dmp
memory/2392-22-0x0000000004BA0000-0x0000000004BE0000-memory.dmp
memory/2392-23-0x00000000705F0000-0x0000000070CDE000-memory.dmp
memory/2392-24-0x0000000000820000-0x000000000082A000-memory.dmp
memory/1744-25-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/2392-27-0x0000000004BA0000-0x0000000004BE0000-memory.dmp
memory/1744-28-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-29-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-31-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-33-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-35-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1744-41-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-45-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-49-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-50-0x0000000000080000-0x00000000000A0000-memory.dmp
memory/1744-53-0x0000000000080000-0x00000000000A0000-memory.dmp