Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
29-10-2024 06:15
Behavioral task
behavioral1
Sample
2760-2-0x0000000000220000-0x0000000000232000-memory.exe
Resource
win7-20240903-en
General
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Target
2760-2-0x0000000000220000-0x0000000000232000-memory.exe
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Size
72KB
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MD5
abae485c5bb08a3c3d973a9f0bf4909f
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SHA1
7ab206b8de7e8e2757c25c0144164d337c454d43
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SHA256
120cdab22661efc232e872f45c5c42cee1f33f4b23996596bbffc1fe9cde1a03
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SHA512
890f360d52682b445f076c960ab6aa0babb5bd569bb8d54babecbb2ed266143c3746cccb7875f7589beabd8c0c64b66e4cfcf5629e43750a8b2547c40a33c42c
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SSDEEP
1536:yu270TceH2+nszByYfUlbAoEb7uYHTF25bxzlxOU0d+c:yu2oTceH2+szByYfUlbAoEb7uYB2jh0d
Malware Config
Extracted
asyncrat
0.5.8
Default
54.253.7.109:4447
XqcNee3124zJ
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delay
21
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install
true
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install_file
service.exe
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install_folder
%AppData%
Signatures
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Asyncrat family
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Async RAT payload 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\service.exe family_asyncrat -
Executes dropped EXE 1 IoCs
Processes:
service.exepid process 2508 service.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1256 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
timeout.exeschtasks.exeservice.exe2760-2-0x0000000000220000-0x0000000000232000-memory.execmd.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2760-2-0x0000000000220000-0x0000000000232000-memory.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1852 timeout.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
2760-2-0x0000000000220000-0x0000000000232000-memory.exepid process 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
2760-2-0x0000000000220000-0x0000000000232000-memory.exeservice.exedescription pid process Token: SeDebugPrivilege 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe Token: SeDebugPrivilege 2508 service.exe Token: SeDebugPrivilege 2508 service.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
2760-2-0x0000000000220000-0x0000000000232000-memory.execmd.execmd.exedescription pid process target process PID 2472 wrote to memory of 2608 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 2608 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 2608 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 2608 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 1256 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 1256 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 1256 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 2472 wrote to memory of 1256 2472 2760-2-0x0000000000220000-0x0000000000232000-memory.exe cmd.exe PID 1256 wrote to memory of 1852 1256 cmd.exe timeout.exe PID 1256 wrote to memory of 1852 1256 cmd.exe timeout.exe PID 1256 wrote to memory of 1852 1256 cmd.exe timeout.exe PID 1256 wrote to memory of 1852 1256 cmd.exe timeout.exe PID 2608 wrote to memory of 1476 2608 cmd.exe schtasks.exe PID 2608 wrote to memory of 1476 2608 cmd.exe schtasks.exe PID 2608 wrote to memory of 1476 2608 cmd.exe schtasks.exe PID 2608 wrote to memory of 1476 2608 cmd.exe schtasks.exe PID 1256 wrote to memory of 2508 1256 cmd.exe service.exe PID 1256 wrote to memory of 2508 1256 cmd.exe service.exe PID 1256 wrote to memory of 2508 1256 cmd.exe service.exe PID 1256 wrote to memory of 2508 1256 cmd.exe service.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2760-2-0x0000000000220000-0x0000000000232000-memory.exe"C:\Users\Admin\AppData\Local\Temp\2760-2-0x0000000000220000-0x0000000000232000-memory.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "service" /tr '"C:\Users\Admin\AppData\Roaming\service.exe"' & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "service" /tr '"C:\Users\Admin\AppData\Roaming\service.exe"'3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1476 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpCC44.tmp.bat""2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:1852 -
C:\Users\Admin\AppData\Roaming\service.exe"C:\Users\Admin\AppData\Roaming\service.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2508
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD503afb32d606072faaedd487a62c19a1f
SHA12db3b340b8f4945b84855dbfc6feb03cf0ab8df2
SHA256150ed948ad27b4aaf6e4d2a1f868512e6b2206f73e0f32c74a0b602af7d84fb4
SHA512726cfd450e642b9949ae4483a5aeab413300b2df7c69acf2c153566eb56fa16025103de44917aa0a3fb01c6e2579cc0c6bd5cc42f87ad401b54ba162854bce12
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Filesize
72KB
MD5abae485c5bb08a3c3d973a9f0bf4909f
SHA17ab206b8de7e8e2757c25c0144164d337c454d43
SHA256120cdab22661efc232e872f45c5c42cee1f33f4b23996596bbffc1fe9cde1a03
SHA512890f360d52682b445f076c960ab6aa0babb5bd569bb8d54babecbb2ed266143c3746cccb7875f7589beabd8c0c64b66e4cfcf5629e43750a8b2547c40a33c42c