Analysis
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max time kernel
70s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-12-2024 06:11
Static task
static1
Behavioral task
behavioral1
Sample
7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe
Resource
win10v2004-20241007-en
General
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Target
7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe
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Size
8.7MB
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MD5
a208131dfac1b20e49958b4c118229d0
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SHA1
20a3c5d1a0081ca3620561f1a40fc9d5a14c7878
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SHA256
7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88
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SHA512
b3190a61aba05d2416b8992a28ea313857ddb0e581a3c580e7f23a9d5d098f3da6e2f23dd1fd3872dcf6c26441a58ef11011da3b23e852c3dd53713e9f83e9d8
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SSDEEP
196608:hCbGPZmVfjsCbGPZmVfjiCbGPZmVfjsCbGPZmVfj2CbGPZmVfjsCbGPZmVfjiCbD:0GmVNGmVrGmVNGmVnGmVNGmVrGmVNGmH
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\2 = "C:\\ProgramData\\winmgr107.exe" 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe -
Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs
When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe:Zone.Identifier:$DATA 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE -
NTFS ADS 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Local\Temp\7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe:Zone.Identifier:$DATA 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2140 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2852 2140 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe 31 PID 2140 wrote to memory of 2852 2140 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe 31 PID 2140 wrote to memory of 2852 2140 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe 31 PID 2140 wrote to memory of 2852 2140 7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe 31 PID 2852 wrote to memory of 2584 2852 cmd.exe 33 PID 2852 wrote to memory of 2584 2852 cmd.exe 33 PID 2852 wrote to memory of 2584 2852 cmd.exe 33 PID 2852 wrote to memory of 2584 2852 cmd.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe"C:\Users\Admin\AppData\Local\Temp\7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe"1⤵
- Adds Run key to start application
- Subvert Trust Controls: Mark-of-the-Web Bypass
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c start C:\PROGRA~3\7843CA~1.TXT2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\7843cac29c24ae120576044bb76ccdf1f2265d126b13a17b5ed3884f2f784b88N.exe.txt3⤵
- System Location Discovery: System Language Discovery
PID:2584
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
992B
MD5c8cf7247d4cfc99a7582a42d13df4c08
SHA1317f5588af0b3b6374c436fb00084c522fd78a83
SHA25678bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0
SHA5125dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357