Analysis

  • max time kernel
    18s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 19:45

General

  • Target

    INVOICE & AWB #5291760_pdf.exe

  • Size

    639KB

  • MD5

    c60068fde058f588a2b7fe236cfbc0e9

  • SHA1

    d5b3d029b3645a1f2cbf14ec1d134276e47d60e2

  • SHA256

    a75840200db6ba9313053ab15551f6c758d78ac9ffbe75ede0f36e744eaed24b

  • SHA512

    146f766575aa3f81a4d90247871e17cd99bb572720f1a5b72a0ace9140476556d321e82526176bc831eefd029253c5fa627eb7ba78bbd73e2c080447fa2249c0

  • SSDEEP

    12288:CE5QaueH5qjR82KUIdsNQ3GZDlOPk9JiPB7a4pZ5fBJfOUmtakjg7s:CE3qjWsI6wKo44PBu8Z5L2Umtaks

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.dcc-asia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    soso@#1235

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3596
    • C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE & AWB #5291760_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nspg12zo.sqm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2336-6-0x00000000059B0000-0x00000000059CA000-memory.dmp

    Filesize

    104KB

  • memory/2336-2-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/2336-3-0x00000000056F0000-0x0000000005782000-memory.dmp

    Filesize

    584KB

  • memory/2336-4-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/2336-5-0x00000000056D0000-0x00000000056DA000-memory.dmp

    Filesize

    40KB

  • memory/2336-0-0x0000000000C50000-0x0000000000CF4000-memory.dmp

    Filesize

    656KB

  • memory/2336-7-0x00000000059F0000-0x00000000059F8000-memory.dmp

    Filesize

    32KB

  • memory/2336-8-0x0000000005A00000-0x0000000005A0A000-memory.dmp

    Filesize

    40KB

  • memory/2336-9-0x0000000006BF0000-0x0000000006C6A000-memory.dmp

    Filesize

    488KB

  • memory/2336-10-0x0000000009380000-0x000000000941C000-memory.dmp

    Filesize

    624KB

  • memory/2336-1-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/2336-14-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3596-15-0x0000000004BD0000-0x0000000004C06000-memory.dmp

    Filesize

    216KB

  • memory/3596-35-0x00000000061B0000-0x00000000061FC000-memory.dmp

    Filesize

    304KB

  • memory/3596-17-0x0000000004D90000-0x0000000004DA0000-memory.dmp

    Filesize

    64KB

  • memory/3596-16-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3596-38-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/3596-34-0x0000000006170000-0x000000000618E000-memory.dmp

    Filesize

    120KB

  • memory/3596-22-0x00000000051B0000-0x00000000051D2000-memory.dmp

    Filesize

    136KB

  • memory/3596-33-0x0000000005CE0000-0x0000000006034000-memory.dmp

    Filesize

    3.3MB

  • memory/3596-23-0x00000000052D0000-0x0000000005336000-memory.dmp

    Filesize

    408KB

  • memory/3596-20-0x00000000053D0000-0x00000000059F8000-memory.dmp

    Filesize

    6.2MB

  • memory/3596-19-0x0000000004D90000-0x0000000004DA0000-memory.dmp

    Filesize

    64KB

  • memory/4752-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4752-21-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/4752-13-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4752-18-0x0000000002A40000-0x0000000002AA6000-memory.dmp

    Filesize

    408KB

  • memory/4752-39-0x00000000067B0000-0x0000000006800000-memory.dmp

    Filesize

    320KB

  • memory/4752-40-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4752-41-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB