Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 01:02

General

  • Target

    Payment details.exe

  • Size

    777KB

  • MD5

    1a27787328335454dd7088c23d47b857

  • SHA1

    49bbde3ef989a9c4c43a4ca026cfc632fcab5136

  • SHA256

    583d249d488a67e338a0bbd3c03d3967fc179e226031bebde9b0913c889c70ac

  • SHA512

    faae3d7056387d240f4bcdb7a03deef3a440d96fc4dc34c6a41c61610f4d676b8afafa6862bb46ec658cb4a9f58c85e5ec566210bd165928674be690240141c5

  • SSDEEP

    12288:3GHhkZ548EdxclMGYCeqflEGhBZ1ZmfMAeiOMK0sXoe1ptHWOj:3uK/pixVGTNvZjl0Gl1n

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mrgrouppk.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ~_ShAzIa.MRG2023_~

Extracted

Family

agenttesla

Credentials

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.

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3172

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment details.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2940-10-0x0000000009EF0000-0x0000000009F8C000-memory.dmp
    Filesize

    624KB

  • memory/2940-14-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/2940-9-0x0000000007830000-0x00000000078AC000-memory.dmp
    Filesize

    496KB

  • memory/2940-4-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
    Filesize

    64KB

  • memory/2940-5-0x0000000004B40000-0x0000000004B4A000-memory.dmp
    Filesize

    40KB

  • memory/2940-6-0x00000000051A0000-0x00000000051BA000-memory.dmp
    Filesize

    104KB

  • memory/2940-7-0x0000000005E90000-0x0000000005E98000-memory.dmp
    Filesize

    32KB

  • memory/2940-8-0x0000000005EB0000-0x0000000005EBA000-memory.dmp
    Filesize

    40KB

  • memory/2940-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp
    Filesize

    584KB

  • memory/2940-1-0x0000000000080000-0x0000000000148000-memory.dmp
    Filesize

    800KB

  • memory/2940-0-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/2940-2-0x00000000051C0000-0x0000000005764000-memory.dmp
    Filesize

    5.6MB

  • memory/3172-15-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/3172-11-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/3172-16-0x00000000058C0000-0x00000000058D0000-memory.dmp
    Filesize

    64KB

  • memory/3172-17-0x00000000059D0000-0x0000000005A36000-memory.dmp
    Filesize

    408KB

  • memory/3172-18-0x0000000007060000-0x00000000070B0000-memory.dmp
    Filesize

    320KB

  • memory/3172-19-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/3172-20-0x00000000058C0000-0x00000000058D0000-memory.dmp
    Filesize

    64KB