Analysis Overview
SHA256
1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787
Threat Level: Known bad
The file 1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-25 16:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-25 16:42
Reported
2024-07-25 16:44
Platform
win7-20240708-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe |
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\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1344 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1344 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1344 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1344 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe
"C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 836
Network
Files
memory/1344-0-0x0000000074B9E000-0x0000000074B9F000-memory.dmp
memory/1344-1-0x0000000000A50000-0x0000000000B5A000-memory.dmp
memory/1344-2-0x0000000074B90000-0x000000007527E000-memory.dmp
memory/1344-3-0x0000000001F60000-0x0000000001F7A000-memory.dmp
memory/1344-4-0x0000000004130000-0x000000000413E000-memory.dmp
memory/1344-5-0x0000000074B9E000-0x0000000074B9F000-memory.dmp
memory/1344-6-0x0000000074B90000-0x000000007527E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-25 16:42
Reported
2024-07-25 16:45
Platform
win10v2004-20240709-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Adobe\Adobe.exe | N/A |
| N/A | N/A | C:\ProgramData\Adobe\Adobe.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\"" | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\"" | C:\ProgramData\Adobe\Adobe.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\"" | C:\ProgramData\Adobe\Adobe.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe-OTOIRK = "\"C:\\ProgramData\\Adobe\\Adobe.exe\"" | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4584 set thread context of 1544 | N/A | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe |
| PID 4332 set thread context of 2784 | N/A | C:\ProgramData\Adobe\Adobe.exe | C:\ProgramData\Adobe\Adobe.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\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Adobe\Adobe.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Adobe\Adobe.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe
"C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe"
C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe
"C:\Users\Admin\AppData\Local\Temp\1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787.exe"
C:\ProgramData\Adobe\Adobe.exe
"C:\ProgramData\Adobe\Adobe.exe"
C:\ProgramData\Adobe\Adobe.exe
"C:\ProgramData\Adobe\Adobe.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| DE | 104.250.180.178:7902 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| DE | 104.250.180.178:7902 | tcp | |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| DE | 104.250.180.178:7902 | tcp | |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| DE | 104.250.180.178:7902 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| DE | 104.250.180.178:7902 | tcp | |
| DE | 104.250.180.178:7902 | tcp |
Files
memory/4584-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp
memory/4584-1-0x0000000000B10000-0x0000000000C1A000-memory.dmp
memory/4584-2-0x0000000005C10000-0x00000000061B4000-memory.dmp
memory/4584-3-0x0000000005660000-0x00000000056F2000-memory.dmp
memory/4584-4-0x0000000005870000-0x0000000005BC4000-memory.dmp
memory/4584-5-0x0000000074F00000-0x00000000756B0000-memory.dmp
memory/4584-6-0x00000000057B0000-0x00000000057BA000-memory.dmp
memory/4584-7-0x0000000008870000-0x000000000888A000-memory.dmp
memory/4584-8-0x0000000006C30000-0x0000000006C3E000-memory.dmp
memory/4584-9-0x0000000006DE0000-0x0000000006EA0000-memory.dmp
memory/4584-10-0x000000000AE30000-0x000000000AECC000-memory.dmp
memory/1544-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1544-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1544-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1544-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4584-17-0x0000000074F00000-0x00000000756B0000-memory.dmp
C:\ProgramData\Adobe\Adobe.exe
| MD5 | 995e20db533a2ae4f14b8ccc7a94a17b |
| SHA1 | b4dd9fbacd892b7c69cec499969399343a484205 |
| SHA256 | 1b754a8b7d0c1d3be17f751d327b38961c3d6ea3b8769c9c8edb1f318dfd0787 |
| SHA512 | e9357fac407375c08fe0885a8ed94bf63b53f1d7dc42c60a04bc9bd490d9964667c6e249b2d33f6f303cf3e69ae33af45ddf541f2104226438287632cc5f0936 |
memory/1544-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4332-29-0x00000000748CE000-0x00000000748CF000-memory.dmp
memory/4332-30-0x0000000005830000-0x0000000005B84000-memory.dmp
memory/4332-31-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2784-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4332-38-0x00000000748C0000-0x0000000075070000-memory.dmp
memory/2784-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2784-48-0x0000000000400000-0x0000000000482000-memory.dmp