Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
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submitted
08/07/2024, 13:01
General
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Target
33.exe
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Size
682KB
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MD5
244173193de97b401b0f5391d71a6491
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SHA1
d46357579f69a5db84a6ea93e777ae6a5b136c53
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SHA256
0b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8
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SHA512
57fa5541eeca2515e6220cf38cb038323dc78b3f51a7981052a947359dee71a1fbddb4480cb128d513428e977a322fdfe48394996b9a46c0bddb14bcd0cd5ee7
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SSDEEP
12288:Th1Lk70TnvjcWl93+2kBcRP+EjPrJ4wvu5b0Ye:Pk70TrcWv3+h6QE/jG50Ye
Malware Config
Signatures
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AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Async RAT payload 34 IoCs
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.NET Reactor proctector 35 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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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
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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 64 IoCs
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Suspicious use of AdjustPrivilegeToken 4 IoCs
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Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\33.exe"C:\Users\Admin\AppData\Local\Temp\33.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /rl highest /tn "svhosts" /tr '"C:\Users\Admin\AppData\Roaming\svhosts.exe"'3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpDC56.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\svhosts.exe"C:\Users\Admin\AppData\Roaming\svhosts.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
151B
MD53d2a1e8cf434c457614565f98d1acb2b
SHA15df7db5fe1986f210c9bca8f74bc4f316f772fbc
SHA2560352613d1a223ebe36e4ba76cc7497a691663703865ac40fc14c3690b237119e
SHA512544e3ebfc4303c584567615fbdba31781753d06b220ecf7e73b4685903571fb2d192f2e46070285d563e961ec2b98f08408faaa1eca4ffa2498f26b6e9119bd9
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Filesize
682KB
MD5244173193de97b401b0f5391d71a6491
SHA1d46357579f69a5db84a6ea93e777ae6a5b136c53
SHA2560b5e7cdc5d5290f43799f61ef80cc36d163b3eed96480f77fd805d2cc34d44c8
SHA51257fa5541eeca2515e6220cf38cb038323dc78b3f51a7981052a947359dee71a1fbddb4480cb128d513428e977a322fdfe48394996b9a46c0bddb14bcd0cd5ee7
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Filesize
796KB
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Filesize
796KB
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Filesize
816KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
5.6MB
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Filesize
2.0MB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
-
Filesize
796KB
-
Filesize
796KB
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Filesize
796KB
-
Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
796KB
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Filesize
408KB
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Filesize
624KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
824KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB