Analysis
- max time kernel
111s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
19/09/2024, 01:56
Behavioral task
behavioral1
Sample
43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe
Resource
win7-20240903-en
6 signatures
120 seconds
Behavioral task
behavioral2
Sample
43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe
Resource
win10v2004-20240802-en
6 signatures
120 seconds
General
- Target 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe
- Size 711KB
- Sample240919-ccp5mavekd
- SHA256 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385
- MD5 21463008063e768e8d2444f034eab8c0
- SHA1 5e27dd7afb72e79fed2756768cf831e149855bd8
- SHA512 26867b197f2267e12340b2dc3531c2e6a8e3078b9f63aaa86feebacc870e385bd55a3418ab65336933ccf0c1a6ab67b11601ef8eb58b2962cb3d71bee4d0851a
- SSDEEP 12288:yoxejOONAM7GUC1Jr+4o628gx2Jw+tP3Jzm8JOAHXC3X+pd167QhEQO:hxY3NtGUmJr+4Obxd+tPZSZciE6EhE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/4144-5-0x0000000000400000-0x00000000004BD000-memory.dmp fakeav - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\CSRLT.EXE 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe File opened for modification C:\Windows\SysWOW64\CSRLT.EXE 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\MSBLT.EXE 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe File opened for modification C:\Windows\MSBLT.EXE 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe - 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 43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe"C:\Users\Admin\AppData\Local\Temp\43fdc66a54a847bea542ad853c37f3ac0405bffd584656a2ca4b0090a2322385N.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4144