Analysis Overview
SHA256
08f8498aec75418bb4c12972a6547ee2c4762160e7bf36c558a91b7b9110ed3f
Threat Level: Known bad
The file 712940BAEF78C821E36B8701BF073C52.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Downloads MZ/PE file
Suspicious use of SetThreadContext
Executes dropped EXE
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-19 09:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-19 09:38
Reported
2024-04-19 09:41
Platform
win7-20240221-en
Max time kernel
144s
Max time network
151s
Command Line
Signatures
AsyncRat
Downloads MZ/PE file
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2072 set thread context of 2460 | N/A | C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SCHtAsKs.EXe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe
"C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe"
C:\Windows\SysWOW64\SCHtAsKs.EXe
"SCHtAsKs.EXe" /create /tn WindowsUpdates310628529 /tr "C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE" /st 09:39 /du 9999:59 /sc daily /ri 1 /f /RL HIGHEST
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {52E49321-1CE7-40CF-8978-9B0D60691600} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
Network
| Country | Destination | Domain | Proto |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 204.12.199.30:7707 | tcp |
Files
memory/2072-0-0x00000000012C0000-0x00000000012DA000-memory.dmp
memory/2072-1-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2072-2-0x0000000004D00000-0x0000000004D40000-memory.dmp
memory/2072-4-0x00000000007A0000-0x00000000007AA000-memory.dmp
memory/2460-11-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-9-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2460-7-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-5-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2072-17-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2460-15-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-18-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-20-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2460-21-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2460-22-0x00000000022F0000-0x0000000002330000-memory.dmp
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
| MD5 | 712940baef78c821e36b8701bf073c52 |
| SHA1 | d59896b87424fafc0d00ab5e5c2019bd941167ce |
| SHA256 | 08f8498aec75418bb4c12972a6547ee2c4762160e7bf36c558a91b7b9110ed3f |
| SHA512 | 68bc6df413e00e6420ee6db6e4d0497bab61908b96f48fdb6bf6aae9bed72de840d83dfc0017dd24995a05f29b415b82852f84e9b74de85d303b67cc396c7007 |
memory/1764-42-0x0000000000270000-0x000000000028A000-memory.dmp
memory/1764-43-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2460-44-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/2460-45-0x00000000022F0000-0x0000000002330000-memory.dmp
memory/1560-48-0x0000000001200000-0x000000000121A000-memory.dmp
memory/1560-49-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/1560-50-0x0000000074700000-0x0000000074DEE000-memory.dmp
memory/1520-52-0x0000000000060000-0x000000000007A000-memory.dmp
memory/1520-53-0x0000000074700000-0x0000000074DEE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-19 09:38
Reported
2024-04-19 09:41
Platform
win10v2004-20240412-en
Max time kernel
147s
Max time network
152s
Command Line
Signatures
AsyncRat
Downloads MZ/PE file
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3916 set thread context of 2748 | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\SCHtAsKs.EXe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\SCHtAsKs.EXe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe
"C:\Users\Admin\AppData\Local\Temp\712940BAEF78C821E36B8701BF073C52.exe"
C:\Windows\SysWOW64\SCHtAsKs.EXe
"SCHtAsKs.EXe" /create /tn WindowsUpdates62766459 /tr "C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE" /st 09:39 /du 9999:59 /sc daily /ri 1 /f /RL HIGHEST
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Windows\SysWOW64\SCHtAsKs.EXe
"SCHtAsKs.EXe" /create /tn WindowsUpdates62766459 /tr "C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE" /st 09:40 /du 9999:59 /sc daily /ri 1 /f /RL HIGHEST
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 131.253.33.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.33.253.131.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 8.8.8.8:53 | 30.199.12.204.in-addr.arpa | udp |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 204.12.199.30:20991 | 204.12.199.30 | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 204.12.199.30:7707 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.10.44.20.in-addr.arpa | udp |
Files
memory/112-0-0x0000000000F70000-0x0000000000F8A000-memory.dmp
memory/112-1-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/112-2-0x0000000005D30000-0x00000000062D4000-memory.dmp
memory/112-3-0x00000000059C0000-0x00000000059D0000-memory.dmp
memory/112-5-0x00000000072B0000-0x00000000072BA000-memory.dmp
memory/112-6-0x0000000007360000-0x00000000073FC000-memory.dmp
memory/112-8-0x0000000074690000-0x0000000074E40000-memory.dmp
C:\Users\Admin\AppData\Roaming\MicrosoftwindowsUpdates\Accounts_Ledger_Software.eXE
| MD5 | 712940baef78c821e36b8701bf073c52 |
| SHA1 | d59896b87424fafc0d00ab5e5c2019bd941167ce |
| SHA256 | 08f8498aec75418bb4c12972a6547ee2c4762160e7bf36c558a91b7b9110ed3f |
| SHA512 | 68bc6df413e00e6420ee6db6e4d0497bab61908b96f48fdb6bf6aae9bed72de840d83dfc0017dd24995a05f29b415b82852f84e9b74de85d303b67cc396c7007 |
memory/3916-11-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3916-12-0x0000000004B80000-0x0000000004B90000-memory.dmp
memory/2748-13-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3916-15-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2748-16-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2748-17-0x0000000005830000-0x0000000005896000-memory.dmp
memory/2748-18-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2748-19-0x00000000053A0000-0x00000000053B0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Accounts_Ledger_Software.eXE.log
| MD5 | 290b783420a3638b2f341f46e6fb563d |
| SHA1 | 1d74ecf967490c0b579086ff4f65b6bf1360adc6 |
| SHA256 | 15835a01fa04e5654c6d8ea22ec8ce3b36b8ad114a2851b322724847e04cb9e6 |
| SHA512 | 3aab90dead03cb1cae9b12b0bdcb4d86b29923d34133dba655ac6fd8e9783a3baa3edc7af2fc75930d86a884b940e8163babacd0cadf04a8418732be87ffba84 |
memory/4576-22-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4576-23-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/4576-24-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4332-26-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4332-27-0x0000000074690000-0x0000000074E40000-memory.dmp