Analysis Overview
SHA256
99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db
Threat Level: Known bad
The file 99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe was found to be: Known bad.
Malicious Activity Summary
Andromeda family
Detects Andromeda payload.
Andromeda, Gamarue
Adds policy Run key to start application
Executes dropped EXE
Checks computer location settings
Maps connected drives based on registry
Adds Run key to start application
UPX packed file
Suspicious use of SetThreadContext
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-26 01:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-26 01:14
Reported
2024-11-26 01:16
Platform
win7-20240903-en
Max time kernel
100s
Max time network
17s
Command Line
Signatures
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 864 set thread context of 0 | N/A | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
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\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
"C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe"
Network
Files
memory/864-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/864-4-0x0000000000230000-0x0000000000231000-memory.dmp
memory/864-14-0x00000000002A0000-0x00000000002A1000-memory.dmp
memory/864-58-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/864-26-0x0000000000340000-0x0000000000341000-memory.dmp
memory/864-76-0x00000000003E0000-0x00000000003E2000-memory.dmp
memory/864-38-0x0000000000360000-0x0000000000361000-memory.dmp
memory/864-68-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/864-358-0x0000000000420000-0x0000000000422000-memory.dmp
memory/864-356-0x00000000003F0000-0x00000000003F2000-memory.dmp
memory/864-487244-0x0000000000520000-0x0000000000620000-memory.dmp
memory/864-473586-0x0000000000520000-0x0000000000620000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-26 01:14
Reported
2024-11-26 01:16
Platform
win10v2004-20241007-en
Max time kernel
119s
Max time network
99s
Command Line
Signatures
Andromeda family
Andromeda, Gamarue
Detects Andromeda payload.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds policy Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run | C:\Windows\SysWOW64\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\289 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msxrrmg.bat" | C:\Windows\SysWOW64\svchost.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\winlogonr\\winlogonr.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4724 set thread context of 2740 | N/A | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe |
| PID 4640 set thread context of 2576 | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe |
| PID 4640 set thread context of 1204 | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\PROGRA~3\LOCALS~1\Temp\msxrrmg.bat | C:\Windows\SysWOW64\svchost.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:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| 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\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
"C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe"
C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe
"C:\Users\Admin\AppData\Local\Temp\99ae9cc4150756bbfb18f34381118146cc851f3707d03ba79cf6639d7d8f02db.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LFKYH.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe" /f
C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
"C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
"C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
"C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe"
C:\Windows\SysWOW64\svchost.exe
C:\Windows\syswow64\svchost.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.208.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.update.microsoft.com | udp |
| US | 20.72.235.82:80 | www.update.microsoft.com | tcp |
| US | 8.8.4.4:53 | skyband.in | udp |
| US | 8.8.8.8:53 | skyband.in | udp |
| US | 8.8.8.8:53 | 82.235.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.4.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.4.4:53 | skyband.in | udp |
| US | 8.8.8.8:53 | skyband.in | udp |
Files
memory/4724-2-0x0000000002B20000-0x0000000002B22000-memory.dmp
memory/4724-3-0x0000000002B30000-0x0000000002B32000-memory.dmp
memory/4724-5-0x0000000002B60000-0x0000000002B62000-memory.dmp
memory/4724-6-0x0000000002B70000-0x0000000002B72000-memory.dmp
memory/4724-4-0x0000000002B50000-0x0000000002B52000-memory.dmp
memory/4724-7-0x0000000002B90000-0x0000000002B92000-memory.dmp
memory/2740-8-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2740-10-0x0000000000400000-0x000000000040B000-memory.dmp
memory/2740-12-0x0000000000400000-0x000000000040B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\LFKYH.txt
| MD5 | 6831b89d0b8dc3e07588d733e75c122b |
| SHA1 | 8c70088c3224bbaf535ed19ec0f6bd5231c543be |
| SHA256 | 9fe102f2c6dff35f03787b85f725d12347cf491c897730a7f2e818f65177ffc2 |
| SHA512 | 699fb44a25032ee4ad0ace1f941c826b333baddb65049c22e80b272909e85f4c8a00fef73fe2d97fa8998a0b6969b13461237bfc1e8f9bf711849d17d0cda6da |
C:\Users\Admin\AppData\Roaming\winlogonr\winlogonr.exe
| MD5 | 92bdb37b53f2fd12914efdae18bf2289 |
| SHA1 | d6588e94a5ce84d6e8408d6d98d71f712c9a2740 |
| SHA256 | b134c6390ff9fd5b7a6d8351b25747c04fcaaad3bde402a2cbeb8b3e7e514547 |
| SHA512 | eaf6006d8cf1d03280b1d31799b7ac86154302f0b303e06922f2f8b9dc709666afae249fec437cbb56568028d672ec490b883ecb6c300b480e5a1dbd1b5f04f0 |
memory/2740-38-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4640-40-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4640-41-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4640-42-0x0000000000400000-0x0000000000416000-memory.dmp
memory/1204-45-0x0000000000400000-0x0000000000405000-memory.dmp
memory/4640-50-0x0000000000400000-0x0000000000416000-memory.dmp
memory/1204-51-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2740-54-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4528-58-0x00000000004D0000-0x00000000004DE000-memory.dmp
memory/4528-60-0x00000000004D0000-0x00000000004DE000-memory.dmp
memory/2576-61-0x0000000000400000-0x000000000040B000-memory.dmp
memory/4528-63-0x00000000009F0000-0x00000000009F5000-memory.dmp
memory/4528-67-0x00000000009F0000-0x00000000009F5000-memory.dmp