Analysis
- max time kernel
100s - max time network
101s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
25/08/2024, 03:55
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
544edf100b10c476b64a94d57bcdb420N.exe
Resource
win7-20240705-en
11 signatures
120 seconds
Behavioral task
behavioral2
Sample
544edf100b10c476b64a94d57bcdb420N.exe
Resource
win10v2004-20240802-en
7 signatures
120 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240708-en
3 signatures
120 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
3 signatures
120 seconds
General
- Target 544edf100b10c476b64a94d57bcdb420N.exe
- Size 263KB
- Sample240825-eham8swbkq
- SHA256 6bd8752721961021fe3356cc8d86fe4eb0a047da99d7a12a6b259bc8a8e8a69c
- MD5 544edf100b10c476b64a94d57bcdb420
- SHA1 4b079dcf9c9cb9b5d83c8b851452d6167c513ee8
- SHA512 f62c34a13839c7dbc057488968cf66709271b16d6bc677c9e4454ec8d04aef37eb8b0a4f95b295516626f82e4027d6d20088ae30a7593d036f1e9c9eedd6aa52
- SSDEEP 6144:DsJgrxS5aqAO3dRgCP2whbyrIq/jWPbO46sLcLOfj:uglS5aJO3YCPfhbyrX/mbObrOfj
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 2 IoCs
pid Process 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xpygqypvqjckon = "C:\\Users\\Admin\\AppData\\Roaming\\yevoijortgqwde\\kwvsicwa.exe" 544edf100b10c476b64a94d57bcdb420N.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4608 5024 WerFault.exe 83 - System Location Discovery: System Language Discovery 1 TTPs 1 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 544edf100b10c476b64a94d57bcdb420N.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe 5024 544edf100b10c476b64a94d57bcdb420N.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5024 wrote to memory of 3212 5024 544edf100b10c476b64a94d57bcdb420N.exe 95 PID 5024 wrote to memory of 3212 5024 544edf100b10c476b64a94d57bcdb420N.exe 95 PID 5024 wrote to memory of 3212 5024 544edf100b10c476b64a94d57bcdb420N.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe"C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5024 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\544edf100b10c476b64a94d57bcdb420N.exe"2⤵PID:3212
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 8762⤵
- Program crash
PID:4608
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5024 -ip 50241⤵PID:4260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsu9D9A.tmp\System.dll
- Size 11KB
- SHA256 6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
- MD5 fccff8cb7a1067e23fd2e2b63971a8e1
- SHA1 30e2a9e137c1223a78a0f7b0bf96a1c361976d91
- SHA512 f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
- SSDEEP 192:xPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4v:g7VpNo8gmOyRsVc4
- MD5 SHA1 SHA512 SSDEEP