Analysis
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max time kernel
119s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
26-10-2024 07:21
Static task
static1
Behavioral task
behavioral1
Sample
9D1E589EA8C4B3C59D3FB46AFA940DA5.exe
Resource
win7-20241010-en
General
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Target
9D1E589EA8C4B3C59D3FB46AFA940DA5.exe
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Size
238KB
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MD5
9d1e589ea8c4b3c59d3fb46afa940da5
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SHA1
817bf841284e0279d15cb27f73a0939344dfb811
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SHA256
9164f89ff66d0726e661c46dbafabf82c477a61b6d9a231170fd26910997c8ed
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SHA512
a7db38a58cf9580c987fe6c3293dc279a67458850862d86d0cc60fb7c9213bf92311be2a8ac44ae055fd24619df8f76d33f32835a254d386e4e53e2602d63ac2
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SSDEEP
3072:/Yzwrq5J9SwHMFF9Kw/kxLk42s/8Y31/Yvi9GA54IkMwP5gMTmmsolNIrRuw+mqM:A9zHMFF9KxLp8YFgvwmZrTmDAN
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 behavioral1/memory/2760-2-0x0000000000220000-0x0000000000232000-memory.dmp family_asyncrat -
Executes dropped EXE 1 IoCs
Processes:
service.exepid process 968 service.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 2228 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:
9D1E589EA8C4B3C59D3FB46AFA940DA5.execmd.execmd.exeschtasks.exetimeout.exeservice.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language timeout.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language service.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 536 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:
9D1E589EA8C4B3C59D3FB46AFA940DA5.exepid process 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
9D1E589EA8C4B3C59D3FB46AFA940DA5.exeservice.exedescription pid process Token: SeDebugPrivilege 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe Token: SeDebugPrivilege 968 service.exe Token: SeDebugPrivilege 968 service.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
9D1E589EA8C4B3C59D3FB46AFA940DA5.execmd.execmd.exedescription pid process target process PID 2760 wrote to memory of 2672 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2672 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2672 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2672 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2228 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2228 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2228 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2760 wrote to memory of 2228 2760 9D1E589EA8C4B3C59D3FB46AFA940DA5.exe cmd.exe PID 2672 wrote to memory of 2920 2672 cmd.exe schtasks.exe PID 2672 wrote to memory of 2920 2672 cmd.exe schtasks.exe PID 2672 wrote to memory of 2920 2672 cmd.exe schtasks.exe PID 2672 wrote to memory of 2920 2672 cmd.exe schtasks.exe PID 2228 wrote to memory of 536 2228 cmd.exe timeout.exe PID 2228 wrote to memory of 536 2228 cmd.exe timeout.exe PID 2228 wrote to memory of 536 2228 cmd.exe timeout.exe PID 2228 wrote to memory of 536 2228 cmd.exe timeout.exe PID 2228 wrote to memory of 968 2228 cmd.exe service.exe PID 2228 wrote to memory of 968 2228 cmd.exe service.exe PID 2228 wrote to memory of 968 2228 cmd.exe service.exe PID 2228 wrote to memory of 968 2228 cmd.exe service.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9D1E589EA8C4B3C59D3FB46AFA940DA5.exe"C:\Users\Admin\AppData\Local\Temp\9D1E589EA8C4B3C59D3FB46AFA940DA5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2760 -
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:2672 -
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:2920 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp9FC8.tmp.bat""2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:536 -
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:968
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
151B
MD5d9b756187a41195fbbf5eedf028d65f4
SHA1132dc93d1590510e0d542850b284a3b725d3c32b
SHA256314dcd7c8109605f371dff7c3d1d53d400f05d3b25b632ef37f63a9c1e46f6a1
SHA512f875d05658fd70e0363e883c12d43664d1ea001142bb40684fae2305ccd146efc82ca7d083fbf4ac9545238c2f60e44f2c4ff94263b75dec32ca5ac32c3ee99f
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Filesize
238KB
MD59d1e589ea8c4b3c59d3fb46afa940da5
SHA1817bf841284e0279d15cb27f73a0939344dfb811
SHA2569164f89ff66d0726e661c46dbafabf82c477a61b6d9a231170fd26910997c8ed
SHA512a7db38a58cf9580c987fe6c3293dc279a67458850862d86d0cc60fb7c9213bf92311be2a8ac44ae055fd24619df8f76d33f32835a254d386e4e53e2602d63ac2