Analysis Overview
SHA256
cd231d9c643a1c98120aad79446370a039cfc5483fcceaeedf80b7a933de8758
Threat Level: Known bad
The file cd231d9c643a1c98120aad79446370a039cfc5483fcceaeedf80b7a933de8758.gz was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-24 03:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-24 03:10
Reported
2024-07-24 03:13
Platform
win10v2004-20240709-en
Max time kernel
149s
Max time network
157s
Command Line
Signatures
Remcos
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 452 set thread context of 4652 | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | C:\Users\Admin\AppData\Local\Temp\rfq1960.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\rfq1960.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA46E.tmp"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.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 | 10.27.171.150.in-addr.arpa | udp |
| SG | 172.93.218.178:45667 | tcp | |
| SG | 172.93.218.178:45667 | tcp | |
| SG | 172.93.218.178:45667 | tcp | |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
Files
memory/452-0-0x00000000750CE000-0x00000000750CF000-memory.dmp
memory/452-1-0x0000000000120000-0x0000000000208000-memory.dmp
memory/452-2-0x00000000051E0000-0x0000000005784000-memory.dmp
memory/452-3-0x0000000004C30000-0x0000000004CC2000-memory.dmp
memory/452-4-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/452-5-0x0000000004C10000-0x0000000004C1A000-memory.dmp
memory/452-6-0x00000000051C0000-0x00000000051DA000-memory.dmp
memory/452-7-0x0000000005D90000-0x0000000005D9E000-memory.dmp
memory/452-8-0x0000000005DF0000-0x0000000005EAE000-memory.dmp
memory/452-9-0x0000000006000000-0x000000000609C000-memory.dmp
memory/2196-14-0x0000000002910000-0x0000000002946000-memory.dmp
memory/2196-15-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/2196-17-0x0000000005450000-0x0000000005A78000-memory.dmp
memory/2196-16-0x00000000750C0000-0x0000000075870000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpA46E.tmp
| MD5 | 2f0b69a087fb9eddda2959005d5f78ca |
| SHA1 | 6ec32244c1bc1f19a502c1244a0cb607048c799b |
| SHA256 | dac457537a67a6361727eb4ef34635ac94b320d754b7e215e2fc31bc1619a119 |
| SHA512 | 54e02b5da81ea45c1ad3b014d8e485d9cdd3a60febfa8513fd822dc5830b58f1f4149a699dbe12728357def395184ae6f7a1df86bdab4bfb819a54361a8a5cf3 |
memory/2196-19-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/2196-20-0x0000000005270000-0x0000000005292000-memory.dmp
memory/4652-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-26-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3tm50z5r.xbg.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4652-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-40-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/4652-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2196-39-0x0000000005D60000-0x00000000060B4000-memory.dmp
memory/2196-25-0x0000000005BF0000-0x0000000005C56000-memory.dmp
memory/2196-23-0x0000000005390000-0x00000000053F6000-memory.dmp
memory/4652-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2196-41-0x0000000006210000-0x000000000622E000-memory.dmp
memory/2196-42-0x0000000006260000-0x00000000062AC000-memory.dmp
memory/2196-44-0x0000000075950000-0x000000007599C000-memory.dmp
memory/2196-54-0x0000000006840000-0x000000000685E000-memory.dmp
memory/2196-55-0x0000000007220000-0x00000000072C3000-memory.dmp
memory/2196-43-0x0000000006800000-0x0000000006832000-memory.dmp
memory/2196-57-0x0000000007560000-0x000000000757A000-memory.dmp
memory/2196-56-0x0000000007BA0000-0x000000000821A000-memory.dmp
memory/2196-58-0x00000000075D0000-0x00000000075DA000-memory.dmp
memory/2196-59-0x00000000077E0000-0x0000000007876000-memory.dmp
memory/2196-60-0x0000000007760000-0x0000000007771000-memory.dmp
memory/2196-61-0x0000000007790000-0x000000000779E000-memory.dmp
memory/2196-62-0x00000000077A0000-0x00000000077B4000-memory.dmp
memory/2196-63-0x00000000078A0000-0x00000000078BA000-memory.dmp
memory/2196-64-0x0000000007880000-0x0000000007888000-memory.dmp
memory/2196-67-0x00000000750C0000-0x0000000075870000-memory.dmp
memory/4652-68-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4652-79-0x0000000000400000-0x000000000047F000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-24 03:10
Reported
2024-07-24 03:12
Platform
win7-20240705-en
Max time kernel
119s
Max time network
121s
Command Line
Signatures
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
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\rfq1960.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rfq1960.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\rfq1960.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TlykqEvmBV.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TlykqEvmBV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
C:\Users\Admin\AppData\Local\Temp\rfq1960.exe
"C:\Users\Admin\AppData\Local\Temp\rfq1960.exe"
Network
Files
memory/2220-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp
memory/2220-1-0x00000000003F0000-0x00000000004D8000-memory.dmp
memory/2220-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp
memory/2220-3-0x00000000006A0000-0x00000000006BA000-memory.dmp
memory/2220-4-0x00000000006D0000-0x00000000006DE000-memory.dmp
memory/2220-5-0x00000000054D0000-0x000000000558E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp34C6.tmp
| MD5 | 43a38dc28f75ab4d650ef5b0eb44a033 |
| SHA1 | c6467da6e0f766c1c261f6d8dec9ea32aefcc42d |
| SHA256 | 3d4ff6c0121eac2b9825b17e9de1fbb39bfe713fa89989522286fd0a9d18120d |
| SHA512 | f229ec197b20f4d6f1d279fa7fcede25cd34a09d481201888e1cd997b0525acf1bd763d14238de76860ceba42f0c76d47866589dc81c72172ae246c84d017eb1 |
memory/2220-13-0x0000000073EC0000-0x00000000745AE000-memory.dmp