Analysis
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max time kernel
122s -
max time network
144s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
29-10-2021 03:17
Static task
static1
Behavioral task
behavioral1
Sample
PO_Contract_ANR07152112_20210715181907__110.exe
Resource
win7-en-20211014
General
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Target
PO_Contract_ANR07152112_20210715181907__110.exe
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Size
356KB
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MD5
25442e649bc504cedd9a5cfb51801c10
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SHA1
ff7de7643c31a0392d8eb3f2c95deaad4610cf51
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SHA256
c18747e7433fe0aa7dc25dbac1b2788d5c0412ea5bbead7f395dbfe43a727470
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SHA512
36e510730374907d9d0dc000ba1ed39bc92f1df52c1b131606eb089c4c98d0159df73d4e651c7e08175a86661bddd21a5a37406aca98c712d8fbe474c6bad510
Malware Config
Extracted
asyncrat
0.5.7B
Default
185.222.57.71:00783
AsyncMutex_6SI8OkPnk
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anti_vm
false
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bsod
false
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delay
20
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install
false
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install_folder
%AppData%
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pastebin_config
null
Signatures
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suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
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Async RAT payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/1828-63-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat behavioral1/memory/1828-64-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat behavioral1/memory/1828-65-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat behavioral1/memory/1828-66-0x000000000040C70E-mapping.dmp asyncrat behavioral1/memory/1828-67-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PO_Contract_ANR07152112_20210715181907__110.exedescription pid process target process PID 1668 set thread context of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO_Contract_ANR07152112_20210715181907__110.exepid process 1668 PO_Contract_ANR07152112_20210715181907__110.exe 1668 PO_Contract_ANR07152112_20210715181907__110.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO_Contract_ANR07152112_20210715181907__110.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1668 PO_Contract_ANR07152112_20210715181907__110.exe Token: SeDebugPrivilege 1828 RegSvcs.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
PO_Contract_ANR07152112_20210715181907__110.exedescription pid process target process PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe PID 1668 wrote to memory of 1828 1668 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_Contract_ANR07152112_20210715181907__110.exe"C:\Users\Admin\AppData\Local\Temp\PO_Contract_ANR07152112_20210715181907__110.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1668-55-0x0000000001180000-0x0000000001181000-memory.dmpFilesize
4KB
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memory/1668-57-0x0000000075901000-0x0000000075903000-memory.dmpFilesize
8KB
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memory/1668-58-0x0000000000430000-0x0000000000431000-memory.dmpFilesize
4KB
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memory/1668-59-0x00000000005E0000-0x00000000005E6000-memory.dmpFilesize
24KB
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memory/1668-60-0x0000000000DC0000-0x0000000000DEE000-memory.dmpFilesize
184KB
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memory/1828-61-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-62-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-63-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-64-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-65-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-66-0x000000000040C70E-mapping.dmp
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memory/1828-67-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/1828-70-0x0000000004680000-0x0000000004681000-memory.dmpFilesize
4KB