Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 10:03

General

  • Target

    proforma invoice.bit.exe

  • Size

    2.4MB

  • MD5

    07406b3baa44f755372fc1cb3d1356f6

  • SHA1

    4e5864ccfca1d131d5b96b5e511ea482a8f25968

  • SHA256

    9144819511f4f92e7f369d4edcf931178514957ae58256385d1909cc24bd732a

  • SHA512

    a07e77de01ee4cb7e5554ea746b0fb713836a81a32d5629944516ad962fe5dd77b66b482e48c2208cae81c614f9b13a65677820327c5f15a65d0426ad4f2f4e1

  • SSDEEP

    49152:H74PT9ibU8owt10HE8fH0/atMZNJXlE2ev0jJ2xylrFkV/Ytzj0lQ5plu:W4oA+fU/aCZNnENsJa/YFJ5O

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.spia-indonesia.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Looloo123@#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\proforma invoice.bit.exe
    "C:\Users\Admin\AppData\Local\Temp\proforma invoice.bit.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\proforma invoice.bit.exe
      "C:\Users\Admin\AppData\Local\Temp\proforma invoice.bit.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\proforma invoice.bit.exe.log

    Filesize

    716B

    MD5

    a92a2835b20b01436fb6517e97090bb1

    SHA1

    1a179d6b4018cc896708aa112b9d683176ba59b9

    SHA256

    807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963

    SHA512

    ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9

  • memory/220-0-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

    Filesize

    4KB

  • memory/220-1-0x0000000000F10000-0x0000000001176000-memory.dmp

    Filesize

    2.4MB

  • memory/220-3-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/220-2-0x0000000005CC0000-0x0000000005EF0000-memory.dmp

    Filesize

    2.2MB

  • memory/220-14-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-12-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-7-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-5-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-4-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-49-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-41-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-35-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-28-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-25-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-19-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-17-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-15-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-10-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-67-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-63-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-57-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-51-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-47-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-45-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-43-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-39-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-37-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-33-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-31-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-29-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-23-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-21-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-65-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-61-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-59-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-55-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-53-0x0000000005CC0000-0x0000000005EEA000-memory.dmp

    Filesize

    2.2MB

  • memory/220-4890-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/220-4892-0x0000000005F80000-0x0000000005FCC000-memory.dmp

    Filesize

    304KB

  • memory/220-4891-0x0000000005F10000-0x0000000005F7C000-memory.dmp

    Filesize

    432KB

  • memory/220-4893-0x0000000074BAE000-0x0000000074BAF000-memory.dmp

    Filesize

    4KB

  • memory/220-4894-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/220-4895-0x0000000006910000-0x0000000006EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/220-4896-0x00000000062F0000-0x0000000006344000-memory.dmp

    Filesize

    336KB

  • memory/220-4900-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-4902-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1132-4901-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-4903-0x0000000005590000-0x00000000055F6000-memory.dmp

    Filesize

    408KB

  • memory/1132-4904-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB

  • memory/1132-4906-0x0000000006AB0000-0x0000000006B00000-memory.dmp

    Filesize

    320KB

  • memory/1132-4907-0x0000000006BA0000-0x0000000006C3C000-memory.dmp

    Filesize

    624KB

  • memory/1132-4908-0x0000000006E20000-0x0000000006EB2000-memory.dmp

    Filesize

    584KB

  • memory/1132-4909-0x0000000006DD0000-0x0000000006DDA000-memory.dmp

    Filesize

    40KB

  • memory/1132-4910-0x0000000074BA0000-0x0000000075350000-memory.dmp

    Filesize

    7.7MB