Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:17
Static task
static1
Behavioral task
behavioral1
Sample
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe
Resource
win10v2004-20220414-en
General
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Target
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe
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Size
1.7MB
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MD5
e6eb6c896e56f05f71fc7d71d7e41d0b
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SHA1
dd55c14d8f71d0e48c2bfdaf6071d41e0494b7e8
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SHA256
c73c50acb6e2081a736fcc05f6d4b330ed4ddb1b0be58a30aef1590dd921e7a9
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SHA512
df4e7f16b63cd7e758cbca87642539262ed3fecd78e41c5a22047ee76df998143ed0030addf7df068ba0270a8a87e9edaabb2c5e4eda5e30d7ee161ffbbf3822
Malware Config
Extracted
asyncrat
0.5.7A
Default
185.165.153.43:5007
hjuy
-
delay
1
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install
false
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install_file
asyn.exe
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install_folder
%AppData%
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe\"" New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe -
Async RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3204-134-0x0000000000400000-0x0000000000412000-memory.dmp asyncrat -
Drops startup file 2 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe" New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription pid process target process PID 3048 set thread context of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription pid process Token: SeDebugPrivilege 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exedescription pid process target process PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe PID 3048 wrote to memory of 3204 3048 New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe caspol.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe"C:\Users\Admin\AppData\Local\Temp\New Order Enquiry And Procurement Datasheet For Ohmex Intl Distribution_pdf.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/3048-130-0x0000000000540000-0x00000000006F8000-memory.dmpFilesize
1.7MB
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memory/3048-131-0x0000000004EF0000-0x0000000004F8C000-memory.dmpFilesize
624KB
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memory/3048-132-0x00000000056B0000-0x0000000005C54000-memory.dmpFilesize
5.6MB
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memory/3204-133-0x0000000000000000-mapping.dmp
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memory/3204-134-0x0000000000400000-0x0000000000412000-memory.dmpFilesize
72KB