Analysis

  • max time kernel
    70s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 14:19

General

  • Target

    SOA.exe

  • Size

    781KB

  • MD5

    05963cbe736805e0168a5fb3d6e6ae6b

  • SHA1

    14dd852164396f3e05b6b3469263c497851f6f0c

  • SHA256

    61b7c784665ee5e76aec4437bfcf67378d075f26fbb3a0dcabce328b3778a8be

  • SHA512

    51b9207c2ccf5a6931660c623ed18a97c8a12ba0758ae891f54825114c0aa8a05ce70af42bcf8108e4835f7356e6a08d4b547d30a621cfcfb7d67ff38294fac0

  • SSDEEP

    12288:qdxsEH/ARUwqxwZNVls4QM8tOqO5c1UADqjJ5nl0+9MK:qwEoMYNbsKbc0jrZe

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iiTQITmv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D81.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1504
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1492

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8D81.tmp
    Filesize

    1KB

    MD5

    d3c78480a718fa5613888dc712878e10

    SHA1

    62c702f85d2a71d0b1971394faa4e85c94940211

    SHA256

    a0f54f0326cd8b0382219811e3800aaba07236839b7165b503dbafcd36f5e6e8

    SHA512

    bb903af97bf57917d687a527b51bfe44529f59089bf4dc19bf1231e63d0dfdf3239209046152a77ea27b56e7b76cf760aa3335a5d62802627935494e12fba857

  • memory/740-57-0x0000000005310000-0x0000000005394000-memory.dmp
    Filesize

    528KB

  • memory/740-55-0x0000000075A81000-0x0000000075A83000-memory.dmp
    Filesize

    8KB

  • memory/740-54-0x00000000010A0000-0x000000000116A000-memory.dmp
    Filesize

    808KB

  • memory/740-58-0x0000000000A90000-0x0000000000ACA000-memory.dmp
    Filesize

    232KB

  • memory/740-56-0x0000000000350000-0x0000000000370000-memory.dmp
    Filesize

    128KB

  • memory/1492-66-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-61-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-62-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-64-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-65-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-67-0x0000000000435A7E-mapping.dmp
  • memory/1492-69-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1492-71-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1504-59-0x0000000000000000-mapping.dmp