Analysis
- max time kernel
178s - max time network
216s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - resource tags
arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system - submitted
17/07/2022, 03:42
Static task
static1
Behavioral task
behavioral1
Sample
523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe
Resource
win7-20220715-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe
Resource
win10v2004-20220414-en
6 signatures
150 seconds
General
- Target 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe
- Size 1.4MB
- Sample220717-d9vxtaeed3
- SHA256 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9
- MD5 7f0ac479ef241a90cc85b105cb450141
- SHA1 4ba8d7dd21ec2cdb549e4d6081d50a6e4995bda3
- SHA512 b480a860d9e9bfd5f6c8254e87f2dc9f64d01270ef6bd45c584435482b39375551d7ad5f3b61b8d94b2e2d9ba6c80f2097bd6521f468338e208782b0b17a3632
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
ps1
Deobfuscated
Source
URLs
-
ps1.dropper
http://c.statcounter.com/9845037/0/5d76be22/1/
-
exe.dropper
http://shortit.icu/dseeda
-
exe.dropper
http://shortit.icu/fffdsfe
Signatures
- Blocklisted process makes network request 2 IoCs
flow pid Process 57 372 powershell.exe 59 372 powershell.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 880 set thread context of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 372 powershell.exe 372 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 372 powershell.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 880 wrote to memory of 1928 880 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 77 PID 1928 wrote to memory of 372 1928 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 78 PID 1928 wrote to memory of 372 1928 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 78 PID 1928 wrote to memory of 372 1928 523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe"C:\Users\Admin\AppData\Local\Temp\523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:880 -
C:\Users\Admin\AppData\Local\Temp\523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe"C:\Users\Admin\AppData\Local\Temp\523804ecee3d914a348820d0a6794671c0ca6b7a829b996c56beaca5d10fb6c9.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -NoP -NonI -W Hidden -Exec Bypass "& '.\last.ps1'3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:372
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\last.ps1
- Size 1KB
- SHA256 45fc6821f58cd252eb2c1371d238bc0a1abd9c8448f27970d8eaf374a3bcfc78
- MD5 6833ae48a19cc215ae93b1e6478c855e
- SHA1 72c8090dac80eeb34096563693b06d6d0d9ad0ec
- SHA512 e7c57100323a031ba59444b25f76da1b6c30af16395d02f2718e0ea952443aa2e70f09e83e2c0e4c78b4038a30c848519329f1d9d64c540a7959a3f21f97af15
- MD5 SHA1 SHA512