Analysis

  • max time kernel
    126s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2023 14:39

General

  • Target

    Shipping Document(Invoice and packing List).exe

  • Size

    623KB

  • MD5

    eeed55c1a8b08bdc4182dc64df59e70a

  • SHA1

    e8e414a927bd08a6b1213a62c9d21cfc7efb7ee6

  • SHA256

    70a65c589b3b46ed049d952785c5f21d709c7b1558bce2b0646e54927a93da38

  • SHA512

    4024acc30b4def53293114f2cf25057a515affd337824609749468a7055002be7682f4324a7c21c6c27c73446ef61e49f6148acf7e1d382c13b637ff86c74050

  • SSDEEP

    12288:u3IU8S6eUd5MxSudIbhFBGooic4jS9F8caGpS3mNbsD2og/VhEPErnnWka:kItSAd+xSuWbBoi/O9F8caubsDtISEz2

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2ffPmXZ_5A{G

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mercuresurabaya.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2ffPmXZ_5A{G

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Document(Invoice and packing List).exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Document(Invoice and packing List).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Users\Admin\AppData\Local\Temp\Shipping Document(Invoice and packing List).exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Document(Invoice and packing List).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3224
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:4880
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
        PID:1344

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Shipping Document(Invoice and packing List).exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • memory/1344-56-0x0000023E930D0000-0x0000023E930D1000-memory.dmp

        Filesize

        4KB

      • memory/1344-57-0x0000023E931E0000-0x0000023E931E1000-memory.dmp

        Filesize

        4KB

      • memory/1344-55-0x0000023E930D0000-0x0000023E930D1000-memory.dmp

        Filesize

        4KB

      • memory/1344-53-0x0000023E930A0000-0x0000023E930A1000-memory.dmp

        Filesize

        4KB

      • memory/1344-21-0x0000023E8AC40000-0x0000023E8AC50000-memory.dmp

        Filesize

        64KB

      • memory/1344-37-0x0000023E8AD40000-0x0000023E8AD50000-memory.dmp

        Filesize

        64KB

      • memory/3224-19-0x00000000752B0000-0x0000000075A60000-memory.dmp

        Filesize

        7.7MB

      • memory/3224-15-0x0000000005020000-0x0000000005030000-memory.dmp

        Filesize

        64KB

      • memory/3224-20-0x0000000005020000-0x0000000005030000-memory.dmp

        Filesize

        64KB

      • memory/3224-18-0x00000000067F0000-0x0000000006840000-memory.dmp

        Filesize

        320KB

      • memory/3224-11-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/3224-17-0x0000000005270000-0x00000000052D6000-memory.dmp

        Filesize

        408KB

      • memory/3224-14-0x00000000752B0000-0x0000000075A60000-memory.dmp

        Filesize

        7.7MB

      • memory/3272-7-0x00000000058D0000-0x00000000058D8000-memory.dmp

        Filesize

        32KB

      • memory/3272-16-0x00000000752B0000-0x0000000075A60000-memory.dmp

        Filesize

        7.7MB

      • memory/3272-8-0x0000000005C40000-0x0000000005C4A000-memory.dmp

        Filesize

        40KB

      • memory/3272-10-0x0000000009250000-0x00000000092EC000-memory.dmp

        Filesize

        624KB

      • memory/3272-0-0x0000000000BF0000-0x0000000000C92000-memory.dmp

        Filesize

        648KB

      • memory/3272-9-0x000000000A5C0000-0x000000000A63C000-memory.dmp

        Filesize

        496KB

      • memory/3272-6-0x0000000005910000-0x0000000005928000-memory.dmp

        Filesize

        96KB

      • memory/3272-5-0x0000000005650000-0x000000000565A000-memory.dmp

        Filesize

        40KB

      • memory/3272-4-0x0000000005930000-0x0000000005940000-memory.dmp

        Filesize

        64KB

      • memory/3272-3-0x00000000056B0000-0x0000000005742000-memory.dmp

        Filesize

        584KB

      • memory/3272-2-0x0000000005C60000-0x0000000006204000-memory.dmp

        Filesize

        5.6MB

      • memory/3272-1-0x00000000752B0000-0x0000000075A60000-memory.dmp

        Filesize

        7.7MB