Analysis
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max time kernel
150s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
29-06-2024 01:38
Behavioral task
behavioral1
Sample
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe
Resource
win7-20240611-en
General
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Target
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe
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Size
47KB
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MD5
6d13d147a209e3be044035f0c03b7bde
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SHA1
1eb5fb487ea7742ff1766ca5bf1b7191cfcf6283
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SHA256
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548
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SHA512
a159d09265fa833afddce5fe7fab6d4be0fc37fd4c2e0d1a15851427764ad3c068249ba28d000a076209d017cb65e4320752ac7a3a0314239d836f1e15ae39a9
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SSDEEP
768:IuyxNTAoZjRWUJd9bmo2qL2TJ4+3Qk8sna9lzPIaj9vtqb5HTKsvWy0oKCnX5Eev:IuyxNTAGL2Mk839lcaj9vIbJWsZoWFnt
Malware Config
Extracted
asyncrat
0.5.8
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
94.232.249.111:6606
94.232.249.111:7707
94.232.249.111:8808
o6tEeoRxJb0n
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delay
3
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install
true
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install_file
svchost.exe
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install_folder
%AppData%
Signatures
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Async RAT payload 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Roaming\svchost.exe family_asyncrat -
Detects file containing reversed ASEP Autorun registry keys 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2160-1-0x00000000003D0000-0x00000000003E2000-memory.dmp INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse \Users\Admin\AppData\Roaming\svchost.exe INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse behavioral1/memory/2784-16-0x0000000001150000-0x0000000001162000-memory.dmp INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse -
Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 2784 svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 2348 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2804 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 2 IoCs
Processes:
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exepid process 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exesvchost.exedescription pid process Token: SeDebugPrivilege 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe Token: SeDebugPrivilege 2784 svchost.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.execmd.execmd.exedescription pid process target process PID 2160 wrote to memory of 2724 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2724 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2724 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2724 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2348 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2348 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2348 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2160 wrote to memory of 2348 2160 9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe cmd.exe PID 2724 wrote to memory of 2752 2724 cmd.exe schtasks.exe PID 2724 wrote to memory of 2752 2724 cmd.exe schtasks.exe PID 2724 wrote to memory of 2752 2724 cmd.exe schtasks.exe PID 2724 wrote to memory of 2752 2724 cmd.exe schtasks.exe PID 2348 wrote to memory of 2804 2348 cmd.exe timeout.exe PID 2348 wrote to memory of 2804 2348 cmd.exe timeout.exe PID 2348 wrote to memory of 2804 2348 cmd.exe timeout.exe PID 2348 wrote to memory of 2804 2348 cmd.exe timeout.exe PID 2348 wrote to memory of 2784 2348 cmd.exe svchost.exe PID 2348 wrote to memory of 2784 2348 cmd.exe svchost.exe PID 2348 wrote to memory of 2784 2348 cmd.exe svchost.exe PID 2348 wrote to memory of 2784 2348 cmd.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe"C:\Users\Admin\AppData\Local\Temp\9c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
PID:2752 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp88A0.tmp.bat""2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2804 -
C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD5a7f98df4d007e31e49d2ecea38fdea11
SHA170d1c881f11f8594dab5fd92260313680fa369f8
SHA2567653a78c617b41e6e647212e53f7ea48ce6a0ca3532ab0630007e5dd869d0191
SHA51272e48456ec1d3cd41b0c11c28d20ef62e1129b63efbdc6aad7e70a8a514f8e072e0990832d46c92917ca92dfd95b1a2085fdb77e71a8fb676812ed087de963ad
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Filesize
47KB
MD56d13d147a209e3be044035f0c03b7bde
SHA11eb5fb487ea7742ff1766ca5bf1b7191cfcf6283
SHA2569c457b1cd061ae951fbed7841149b247e085befa6e2c5170058ce35cdebce548
SHA512a159d09265fa833afddce5fe7fab6d4be0fc37fd4c2e0d1a15851427764ad3c068249ba28d000a076209d017cb65e4320752ac7a3a0314239d836f1e15ae39a9