Analysis Overview
SHA256
b2ae69e681c120901c4f5f839125d81b53eabd3f22c0a50547604c15d43a33f3
Threat Level: Known bad
The file vnc.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-14 06:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-14 06:06
Reported
2024-05-14 06:08
Platform
win7-20240221-en
Max time kernel
121s
Max time network
122s
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 |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 912 set thread context of 2648 | N/A | C:\Users\Admin\AppData\Local\Temp\vnc.exe | C:\Users\Admin\AppData\Local\Temp\vnc.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\vnc.exe |
Creates scheduled task(s)
| 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 |
| 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\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\vnc.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\jGiHPUkzfFmtq.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGiHPUkzfFmtq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F42.tmp"
C:\Users\Admin\AppData\Local\Temp\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2648 -s 200
Network
Files
memory/912-0-0x00000000746CE000-0x00000000746CF000-memory.dmp
memory/912-1-0x0000000000BB0000-0x0000000000CAA000-memory.dmp
memory/912-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/912-3-0x0000000000450000-0x0000000000470000-memory.dmp
memory/912-4-0x0000000000650000-0x0000000000660000-memory.dmp
memory/912-5-0x0000000000660000-0x0000000000676000-memory.dmp
memory/912-6-0x0000000005570000-0x0000000005630000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3F42.tmp
| MD5 | 630f5fc18c32ef929b1a1d3964c513d4 |
| SHA1 | fe038221cfa5ff3043f4485e11ce608cf32a0092 |
| SHA256 | 1253030ab717d7d6e39a4a6ecd3c90317f9dba17656f18706988bfe7560df86c |
| SHA512 | e0fe2218fd4b3e12d98cc7a92b83e176091cb7656fc0ff60c7878565c9c9b75e285c51870ace5e434b8d135b2935571954e2c2db4ba39f5d4438d920c5a80955 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A0V3UX9CD6HVOEVFZZO7.temp
| MD5 | f4288824e2a49ce3133f95305a3d624d |
| SHA1 | 6c03379931d1064b0c41dc25bb49a72a0a09440e |
| SHA256 | 3c041c4c6274e945cc855ce7c36308c31581fff0ee57bd446a0ff6c4e9b597af |
| SHA512 | 89c3ce518eb899c5ecdc422dc9d8944cd81e0fae7b68c1f25e927a1f7f812972859e9feabd78edb372c7f04ecff427355d88e389b62cb736ac693c3267999a31 |
memory/2648-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/912-38-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/2648-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2648-21-0x0000000000400000-0x0000000000482000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-14 06:06
Reported
2024-05-14 06:09
Platform
win10v2004-20240426-en
Max time kernel
134s
Max time network
102s
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 |
| 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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\vnc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1160 set thread context of 784 | N/A | C:\Users\Admin\AppData\Local\Temp\vnc.exe | C:\Users\Admin\AppData\Local\Temp\vnc.exe |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\vnc.exe |
Creates scheduled task(s)
| 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 |
| 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:\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 |
| 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\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\vnc.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\jGiHPUkzfFmtq.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGiHPUkzfFmtq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp62D1.tmp"
C:\Users\Admin\AppData\Local\Temp\vnc.exe
"C:\Users\Admin\AppData\Local\Temp\vnc.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 784 -ip 784
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 520
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
Files
memory/1160-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/1160-1-0x00000000009E0000-0x0000000000ADA000-memory.dmp
memory/1160-2-0x0000000005980000-0x0000000005F24000-memory.dmp
memory/1160-3-0x00000000053D0000-0x0000000005462000-memory.dmp
memory/1160-4-0x0000000005470000-0x00000000057C4000-memory.dmp
memory/1160-5-0x0000000005960000-0x000000000596A000-memory.dmp
memory/1160-6-0x0000000005FD0000-0x000000000606C000-memory.dmp
memory/1160-7-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1160-8-0x0000000006F50000-0x0000000006F70000-memory.dmp
memory/1160-9-0x0000000006A80000-0x0000000006A90000-memory.dmp
memory/1160-10-0x0000000006A90000-0x0000000006AA6000-memory.dmp
memory/1160-11-0x00000000070E0000-0x00000000071A0000-memory.dmp
memory/3940-16-0x0000000002B20000-0x0000000002B56000-memory.dmp
memory/3940-18-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3940-17-0x0000000005540000-0x0000000005B68000-memory.dmp
memory/2332-20-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3940-19-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2332-21-0x0000000074920000-0x00000000750D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp62D1.tmp
| MD5 | 9ec03514b656e736f84eb9711a0d1db0 |
| SHA1 | 62f1900b054d5f915208a45d9789fb259c261991 |
| SHA256 | c5dcf625a3ac3870658e9ba4092c561c0c33a53fe98634e6442cb3752c682bc1 |
| SHA512 | 7a78d5241ff07330741340ca9f8ba85586eac0c10175a2dc1f7d742dd4e1e5f747bd48526526cc0f4077157f20572fc8ab7ed0aba275f1e918eee1f283787a57 |
memory/3940-24-0x0000000005480000-0x00000000054A2000-memory.dmp
memory/3940-22-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2332-27-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3940-26-0x0000000005BE0000-0x0000000005C46000-memory.dmp
memory/3940-25-0x0000000005B70000-0x0000000005BD6000-memory.dmp
memory/784-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/784-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1160-31-0x0000000074920000-0x00000000750D0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_o345b0pf.c5x.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2332-47-0x0000000005C40000-0x0000000005C5E000-memory.dmp
memory/2332-51-0x00000000061A0000-0x00000000061EC000-memory.dmp
memory/2332-52-0x0000000006240000-0x0000000006272000-memory.dmp
memory/2332-53-0x0000000070A20000-0x0000000070A6C000-memory.dmp
memory/2332-63-0x0000000006200000-0x000000000621E000-memory.dmp
memory/3940-64-0x0000000070A20000-0x0000000070A6C000-memory.dmp
memory/2332-74-0x0000000006C50000-0x0000000006CF3000-memory.dmp
memory/2332-75-0x00000000075A0000-0x0000000007C1A000-memory.dmp
memory/2332-76-0x0000000006F60000-0x0000000006F7A000-memory.dmp
memory/3940-77-0x00000000077E0000-0x00000000077EA000-memory.dmp
memory/2332-78-0x00000000071E0000-0x0000000007276000-memory.dmp
memory/2332-79-0x0000000007160000-0x0000000007171000-memory.dmp
memory/3940-80-0x00000000079A0000-0x00000000079AE000-memory.dmp
memory/3940-81-0x00000000079B0000-0x00000000079C4000-memory.dmp
memory/3940-82-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/3940-83-0x0000000007A90000-0x0000000007A98000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
| MD5 | 968cb9309758126772781b83adb8a28f |
| SHA1 | 8da30e71accf186b2ba11da1797cf67f8f78b47c |
| SHA256 | 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a |
| SHA512 | 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 2d57ef8dbee0cfa7e5343bf961ea16c7 |
| SHA1 | 746600c0eda2b39c3974490d1b57f8d37fd81fa5 |
| SHA256 | 88fe9d0390081355ab46bf2cf608ff9385d069a750bda8d78858e1374a85b07c |
| SHA512 | 0e16eb427dbf5d9018741dc5ba1db69ca263772cf4cd78943ff977a98aa8a344ae465f084f3710c1823e4684528ce63b473a42b86ec056a265c24bd3b054a042 |
memory/2332-90-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3940-89-0x0000000074920000-0x00000000750D0000-memory.dmp