Analysis Overview
SHA256
bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747
Threat Level: Known bad
The file bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe was found to be: Known bad.
Malicious Activity Summary
Remcos family
Remcos
Loads dropped DLL
Executes dropped EXE
Drops startup file
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-14 03:03
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-14 03:03
Reported
2024-11-14 03:05
Platform
win7-20240903-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Remcos
Remcos family
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\outvaunts.vbs | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1632 set thread context of 2872 | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | leehoi01.ddns.net | udp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 154.216.18.171:5584 | tcp | |
| US | 154.216.20.223:5584 | tcp | |
| US | 8.8.8.8:53 | leehoi02.ddns.net | udp |
| US | 8.8.8.8:53 | areabill.duckdns.org | udp |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 154.216.18.171:5584 | tcp | |
| US | 154.216.20.223:5584 | tcp | |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 154.216.18.171:5584 | tcp | |
| US | 154.216.20.223:5584 | tcp | |
| US | 8.8.8.8:53 | areabill.duckdns.org | udp |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| ID | 103.187.117.76:5584 | tcp |
Files
memory/2224-11-0x0000000000150000-0x0000000000250000-memory.dmp
\Users\Admin\AppData\Local\reaffect\outvaunts.exe
| MD5 | e244fd43d06ea0f234c71fff8e3f711f |
| SHA1 | a913b51d74327b5fdafa2818acdf72636c3ca20a |
| SHA256 | bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747 |
| SHA512 | 6af4afb9dbee48c7d6839d445d25abf3816ead782b0514f7e882a2a1d4e4b732b69bd953ef7b88574a3534d331bc0ce06e88d56ebde2988c8e2702cef2fcf823 |
C:\Users\Admin\AppData\Local\Temp\gunfights
| MD5 | 0aba2400129da5292eb797d53eb72dc0 |
| SHA1 | c60074617f55450ef74cbfdeef45c4b45736d56a |
| SHA256 | 76cf1f1379ae03b203c5446c05a82cc0cfd1dedc27f1f8acac582d047183f278 |
| SHA512 | 93701f4b62127938d885393823caa0f420c1537f35c65ecee3fa3d2960c20fdd2e1274e6efd4ba46e58282b3b895543672fd92f8c5f67c44cf2ba56338d41634 |
C:\Users\Admin\AppData\Local\Temp\Allene
| MD5 | 30900a1deec30509b4a27be3b422e1b3 |
| SHA1 | e15d5e96d970ab38a853954ddef3248782755586 |
| SHA256 | 35447f2a393f57c176ef487fc219208bc5df8065ed7720f3d378ad1d7e679a2e |
| SHA512 | 79b32a1611c78d639d3ef0fef09d8e1c33051ce05a7d22653be446d36ac291e26892c65fa6f0e7237928ea57a5b1e571a60afe9230498bc5a4961889f886e50d |
memory/1632-31-0x00000000022F0000-0x00000000023F0000-memory.dmp
memory/2872-33-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-40-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-39-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-44-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-48-0x0000000000400000-0x000000000047F000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | faeaa8082eabcc7f59dd5741165261ff |
| SHA1 | da06a47c504cd186c34004a9b82b8652d83f4aa6 |
| SHA256 | 8f6495f21124136054438d8d5c6c9e9f23f96297cf583e8342cec6d37eaee78d |
| SHA512 | 644f81da30fadf6e064cb307af202960da5e8c02abad81a016f3ff2ec8a42342f3bf56de41823e737799243fab62014ef11daaa2b5ccfe2a859ff2c78f46bc14 |
memory/2872-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-53-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-59-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-65-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-88-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-89-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-90-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-91-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2872-92-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-14 03:03
Reported
2024-11-14 03:05
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
151s
Command Line
Signatures
Remcos
Remcos family
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\outvaunts.vbs | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4960 set thread context of 3688 | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | C:\Windows\SysWOW64\svchost.exe |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\svchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
C:\Windows\SysWOW64\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | leehoi01.ddns.net | udp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 154.216.18.171:5584 | tcp | |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 181.129.81.91.in-addr.arpa | udp |
| US | 154.216.20.223:5584 | tcp | |
| US | 8.8.8.8:53 | leehoi02.ddns.net | udp |
| US | 8.8.8.8:53 | areabill.duckdns.org | udp |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| US | 8.8.8.8:53 | 26.69.169.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | leehoi01.ddns.net | udp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 154.216.18.171:5584 | tcp | |
| US | 154.216.20.223:5584 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | leehoi02.ddns.net | udp |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| US | 8.8.8.8:53 | leehoi01.ddns.net | udp |
| ID | 103.187.117.76:5584 | tcp | |
| US | 154.216.18.171:5584 | tcp | |
| US | 154.216.20.223:5584 | tcp | |
| US | 8.8.8.8:53 | leehoi02.ddns.net | udp |
| US | 8.8.8.8:53 | areabill.duckdns.org | udp |
| US | 192.169.69.26:9373 | areabill.duckdns.org | tcp |
| US | 8.8.8.8:53 | leehoi01.ddns.net | udp |
| ID | 103.187.117.76:5584 | tcp |
Files
memory/1704-11-0x00000000041A0000-0x00000000043A0000-memory.dmp
C:\Users\Admin\AppData\Local\reaffect\outvaunts.exe
| MD5 | e244fd43d06ea0f234c71fff8e3f711f |
| SHA1 | a913b51d74327b5fdafa2818acdf72636c3ca20a |
| SHA256 | bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747 |
| SHA512 | 6af4afb9dbee48c7d6839d445d25abf3816ead782b0514f7e882a2a1d4e4b732b69bd953ef7b88574a3534d331bc0ce06e88d56ebde2988c8e2702cef2fcf823 |
C:\Users\Admin\AppData\Local\Temp\Allene
| MD5 | 30900a1deec30509b4a27be3b422e1b3 |
| SHA1 | e15d5e96d970ab38a853954ddef3248782755586 |
| SHA256 | 35447f2a393f57c176ef487fc219208bc5df8065ed7720f3d378ad1d7e679a2e |
| SHA512 | 79b32a1611c78d639d3ef0fef09d8e1c33051ce05a7d22653be446d36ac291e26892c65fa6f0e7237928ea57a5b1e571a60afe9230498bc5a4961889f886e50d |
C:\Users\Admin\AppData\Local\Temp\gunfights
| MD5 | 0aba2400129da5292eb797d53eb72dc0 |
| SHA1 | c60074617f55450ef74cbfdeef45c4b45736d56a |
| SHA256 | 76cf1f1379ae03b203c5446c05a82cc0cfd1dedc27f1f8acac582d047183f278 |
| SHA512 | 93701f4b62127938d885393823caa0f420c1537f35c65ecee3fa3d2960c20fdd2e1274e6efd4ba46e58282b3b895543672fd92f8c5f67c44cf2ba56338d41634 |
memory/4960-29-0x0000000003C40000-0x0000000003E40000-memory.dmp
memory/3688-31-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-32-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-33-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-39-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-45-0x0000000000400000-0x000000000047F000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | dfc5d27dc9206ea98bfe0dbe9a1dff6b |
| SHA1 | 9e5d586c81bdf2d9e0bfb465ae187cc2511ba4ea |
| SHA256 | 65f68756bcace4d9f21a691ba24c47b941b5059581fefc67b50b7e6cf6077fd0 |
| SHA512 | 56849c87e5b9fec999c98d64f38b2490121f9685942ab978eb0bdf2560855cc736df81715861b33a4f45a9e043f6f04b8b9e639ed436b5d27a7f0de95aa5dbad |
memory/3688-51-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-64-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-87-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-89-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-90-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-91-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3688-92-0x0000000000400000-0x000000000047F000-memory.dmp