Analysis
- max time kernel
138s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231023-en - resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system - submitted
12/11/2023, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
316801558730488.js
Resource
win7-20231023-en
5 signatures
150 seconds
General
- Target 316801558730488.js
- Size 1.3MB
- Sample231112-txc48shd68
- SHA256 e896bbf849048589fe0b467dfef4e2803e46bcec51f6b91a5c402452653e581c
- MD5 426e5432490b51f9ce47ef73461da902
- SHA1 c00b81f75376fe06534e3edd970c1da12a5f53b8
- SHA512 56051d89c9502143fe836333f4a198bdc383a77af706eba562930d3e74869c599d7dddf360aaeabc5a6cef5eef723185e2f8339d26fc080dca38b0af83716298
- SSDEEP 12288:OpgX7mD2xSfbnWhPXcFaXySa0OUKS17e8tSBBHGIceTUOI4xTIUG8JzsIO9fuHVn:Oy/9wOfv5Zcy4GdAPx5RUbUB
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
strela
C2
-
193.109.85.77
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation wscript.exe - Loads dropped DLL 1 IoCs
pid Process 432 regsvr32.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 772 wrote to memory of 2984 772 wscript.exe 86 PID 772 wrote to memory of 2984 772 wscript.exe 86 PID 2984 wrote to memory of 3924 2984 cmd.exe 98 PID 2984 wrote to memory of 3924 2984 cmd.exe 98 PID 2984 wrote to memory of 3728 2984 cmd.exe 99 PID 2984 wrote to memory of 3728 2984 cmd.exe 99 PID 2984 wrote to memory of 432 2984 cmd.exe 100 PID 2984 wrote to memory of 432 2984 cmd.exe 100
Processes
-
C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\316801558730488.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\316801558730488.js" "C:\Users\Admin\AppData\Local\Temp\\detectmintauspiciousleather.bat" && "C:\Users\Admin\AppData\Local\Temp\\detectmintauspiciousleather.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\system32\findstr.exefindstr /V wholesaleshockrailmurder ""C:\Users\Admin\AppData\Local\Temp\\detectmintauspiciousleather.bat""3⤵PID:3924
-
-
C:\Windows\system32\certutil.execertutil -f -decode flavorknottystimulatingobeisant motionlessroofeducationgroup.dll3⤵PID:3728
-
-
C:\Windows\system32\regsvr32.exeregsvr32 motionlessroofeducationgroup.dll3⤵
- Loads dropped DLL
PID:432
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\detectmintauspiciousleather.bat
- Size 1.3MB
- SHA256 e896bbf849048589fe0b467dfef4e2803e46bcec51f6b91a5c402452653e581c
- MD5 426e5432490b51f9ce47ef73461da902
- SHA1 c00b81f75376fe06534e3edd970c1da12a5f53b8
- SHA512 56051d89c9502143fe836333f4a198bdc383a77af706eba562930d3e74869c599d7dddf360aaeabc5a6cef5eef723185e2f8339d26fc080dca38b0af83716298
- SSDEEP 12288:OpgX7mD2xSfbnWhPXcFaXySa0OUKS17e8tSBBHGIceTUOI4xTIUG8JzsIO9fuHVn:Oy/9wOfv5Zcy4GdAPx5RUbUB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\detectmintauspiciousleather.bat
- Size 1.3MB
- SHA256 e896bbf849048589fe0b467dfef4e2803e46bcec51f6b91a5c402452653e581c
- MD5 426e5432490b51f9ce47ef73461da902
- SHA1 c00b81f75376fe06534e3edd970c1da12a5f53b8
- SHA512 56051d89c9502143fe836333f4a198bdc383a77af706eba562930d3e74869c599d7dddf360aaeabc5a6cef5eef723185e2f8339d26fc080dca38b0af83716298
- SSDEEP 12288:OpgX7mD2xSfbnWhPXcFaXySa0OUKS17e8tSBBHGIceTUOI4xTIUG8JzsIO9fuHVn:Oy/9wOfv5Zcy4GdAPx5RUbUB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\flavorknottystimulatingobeisant
- Size 1.2MB
- SHA256 6a0a8079c011cb8ceca4ebe9373a569cfd8fc2b504a2c7357a477f489e3f3548
- MD5 dc722c34372f37dd63aba6d0353c0618
- SHA1 757feb33e9107fd938d19767b262d88361f3ad16
- SHA512 fc9ff666aa2895ed88b4ed1bd32116b1e953108a572eb00c6de264ff0b5814becc392ffb14397a4f62eec8eab314a5e2c663305e6c26044b0ab8043c70c9d847
- SSDEEP 12288:QpgX7mD2xSfbnWhPXcFaXySa0OUKS17e8tSBBHGIceTUOI4xTIUG8JzsIO9fuHVj:Qy/9wOfv5Zcy4GdAPx5j
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\motionlessroofeducationgroup.dll
- Size 937KB
- SHA256 10069561921b8fa154124a034ab6efabc4db1433a68bacfef9bc6b7f41251877
- MD5 827de069fa507cc64621444424d42ee4
- SHA1 d40266223cfa75d0c528ce03ffb7be2fdb332730
- SHA512 9b908c5cd8948f136085d30de5432dc36bd73a0c2ca1ac546f160c96519a542fe0c7201f9aa86a941d13b2c2eff21e8669541d237cdf223ce16cb6a1b5803304
- SSDEEP 12288:Iudl3wsWynCwwNAoRx09jSfqnKAVOVJkMZJXEg4ta2eCyU4AIbPN+1ArDCKH:bFCLNWTVOrkiXD2ePbh+ADB
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\motionlessroofeducationgroup.dll
- Size 937KB
- SHA256 10069561921b8fa154124a034ab6efabc4db1433a68bacfef9bc6b7f41251877
- MD5 827de069fa507cc64621444424d42ee4
- SHA1 d40266223cfa75d0c528ce03ffb7be2fdb332730
- SHA512 9b908c5cd8948f136085d30de5432dc36bd73a0c2ca1ac546f160c96519a542fe0c7201f9aa86a941d13b2c2eff21e8669541d237cdf223ce16cb6a1b5803304
- SSDEEP 12288:Iudl3wsWynCwwNAoRx09jSfqnKAVOVJkMZJXEg4ta2eCyU4AIbPN+1ArDCKH:bFCLNWTVOrkiXD2ePbh+ADB
- MD5 SHA1 SHA512 SSDEEP