Analysis

  • max time kernel
    72s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 19:43

General

  • Target

    Payment Advise.exe

  • Size

    786KB

  • MD5

    ddb15a4c31bd7e0e7cf3d7cac8232f5f

  • SHA1

    761590b2db740edbe30bf3232998c258062b169a

  • SHA256

    fde52c018e73c2ac8a5f52796e06d7f35f9cfb197665d0ddb3dc6729c93cccb8

  • SHA512

    d2d5110df0ee93aa294237abaea8e654dc9d620d6e6540366de87888dcba91b1db532c9c2417c42f6d137744cc7a1418167e9997f4a4c03e94c590d3d79a999c

  • SSDEEP

    12288:IVmNAcv9ul/Z63ovN9LOfMe/xoKCT6Gx9QzjSCGmZJbxpDF+B7hC8Jf1:smNzV4KoT2c62CG

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chinedu2@

Signatures

  • AgentTesla

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KlAOZajcWjJ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KlAOZajcWjJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D6D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1460
    • C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advise.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1292
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 624
        3⤵
        • Program crash
        PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5D6D.tmp

    Filesize

    1KB

    MD5

    5dc02c74482d0bbba10acc87700ff75d

    SHA1

    b6653d51ae1f719f4130872656993ec128adcc8d

    SHA256

    23470ba29e76f2232a270a523cd4d8a97ab5ba1b952073e8ba6526c942215035

    SHA512

    644ffdba9c8eb0e4b32bc53ceb1bbfa2e82986ce5d3956b6633049d2efc5af75b0b42a5cc05e6ff2e3db570bd9084b91fe195a294aaed5150707a62b023fe18e

  • memory/772-59-0x0000000000000000-mapping.dmp

  • memory/772-78-0x000000006EC00000-0x000000006F1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/772-77-0x000000006EC00000-0x000000006F1AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1180-54-0x0000000000A50000-0x0000000000B1A000-memory.dmp

    Filesize

    808KB

  • memory/1180-55-0x0000000076041000-0x0000000076043000-memory.dmp

    Filesize

    8KB

  • memory/1180-56-0x00000000005F0000-0x0000000000608000-memory.dmp

    Filesize

    96KB

  • memory/1180-57-0x00000000004E0000-0x00000000004EC000-memory.dmp

    Filesize

    48KB

  • memory/1180-58-0x0000000004940000-0x00000000049B0000-memory.dmp

    Filesize

    448KB

  • memory/1180-63-0x00000000021A0000-0x00000000021D8000-memory.dmp

    Filesize

    224KB

  • memory/1292-65-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-67-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-68-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-69-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-70-0x000000000043263E-mapping.dmp

  • memory/1292-72-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-74-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1292-64-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1460-60-0x0000000000000000-mapping.dmp

  • memory/1688-76-0x0000000000000000-mapping.dmp