Analysis
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max time kernel
137s -
max time network
149s -
platform
windows7_x64 -
resource
win7-en -
submitted
15-09-2021 07:28
Static task
static1
Behavioral task
behavioral1
Sample
New Order.exe
Resource
win7-en
General
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Target
New Order.exe
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Size
723KB
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MD5
423c5f6f9023e326ee16e2b8f75e4271
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SHA1
bec9c224762d51a544abb59940a0bd8c18b1bce9
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SHA256
4490de5492b60421b9c7e2d682fa1e569145be493218c3925bb70b38ee00f73b
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SHA512
02d46143fe83172484a9df7400cd6321b2fa3b3e22cd1c50bc04ecca89a512dc2dec748137cfbe536555420129373cc565f5030fef4ffe5ec06ceb1df0c51365
Malware Config
Extracted
asyncrat
0.5.7B
Default
escobaurch30.duckdns.org:6606
escobaurch30.duckdns.org:7707
escobaurch30.duckdns.org:8808
AsyncMutex_6SI8OkPnk
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anti_vm
false
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bsod
false
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delay
3
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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 3 IoCs
Processes:
resource yara_rule behavioral1/memory/652-60-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat behavioral1/memory/652-61-0x000000000040C73E-mapping.dmp asyncrat behavioral1/memory/652-62-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New Order.exedescription pid process target process PID 1156 set thread context of 652 1156 New Order.exe New Order.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 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 7 IoCs
Processes:
New Order.exepid process 1156 New Order.exe 1156 New Order.exe 1156 New Order.exe 1156 New Order.exe 1156 New Order.exe 1156 New Order.exe 1156 New Order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
New Order.exeNew Order.exedescription pid process Token: SeDebugPrivilege 1156 New Order.exe Token: SeDebugPrivilege 652 New Order.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
New Order.exedescription pid process target process PID 1156 wrote to memory of 1468 1156 New Order.exe schtasks.exe PID 1156 wrote to memory of 1468 1156 New Order.exe schtasks.exe PID 1156 wrote to memory of 1468 1156 New Order.exe schtasks.exe PID 1156 wrote to memory of 1468 1156 New Order.exe schtasks.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe PID 1156 wrote to memory of 652 1156 New Order.exe New Order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order.exe"C:\Users\Admin\AppData\Local\Temp\New Order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AiVEIdt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD04A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\New Order.exe"C:\Users\Admin\AppData\Local\Temp\New Order.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/652-60-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/652-61-0x000000000040C73E-mapping.dmp
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memory/652-62-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB
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memory/652-64-0x0000000075911000-0x0000000075913000-memory.dmpFilesize
8KB
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memory/652-65-0x0000000004D90000-0x0000000004D91000-memory.dmpFilesize
4KB
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memory/1156-53-0x00000000011B0000-0x00000000011B1000-memory.dmpFilesize
4KB
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memory/1156-55-0x0000000004780000-0x0000000004781000-memory.dmpFilesize
4KB
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memory/1156-56-0x00000000003E0000-0x00000000003E7000-memory.dmpFilesize
28KB
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memory/1156-57-0x0000000005B00000-0x0000000005B44000-memory.dmpFilesize
272KB
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memory/1156-58-0x00000000008C0000-0x00000000008CD000-memory.dmpFilesize
52KB
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memory/1468-59-0x0000000000000000-mapping.dmp