Analysis

  • max time kernel
    381s
  • max time network
    867s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28-03-2023 09:18

General

  • Target

    INQUIRY.exe

  • Size

    700.8MB

  • MD5

    4a9ba9c392508348b78258c5d95602b3

  • SHA1

    fe61759b5e30a0fe7b8e217d9fa97571b3018364

  • SHA256

    6ba64921b6bec546cd2843e931a133cc06a8ec4eb25b1675f4d0313c180d5a17

  • SHA512

    fa381ed00409ca71f023c9615859a658c145edcf996b9f023b9ba9d07d642509a34155cb66c8cf15a8140797d7b1924455ed9dfbe82330cdc160ef0d97382807

  • SSDEEP

    12288:Rtjamd0KdJVZz5dN+wGKvc/zoCj5nfj/tgaJaMWlKiQsfsuN7twLQnXNnCOpi4Bi:HpVZ9X+w+U2trFgEauosU7tNHoyFu

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3700

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    d1288cb41cf121701300cbd3d4a614cf

    SHA1

    e9552edf26a0a766d60be98089c756daece171ac

    SHA256

    4232d9da115b2d5733306620aa6c95814ce5d0f1eea830e819acf9bdcb64b1b4

    SHA512

    68599fb6c8696c2d7f15491ca3567894a77a18fe54e9dd8da1f7c9ca59b4ac7a60131798d7657acc7cd590879325d750957139f2836f52efbb64bde6560139e0

  • memory/3272-129-0x0000000005B90000-0x0000000005B9C000-memory.dmp
    Filesize

    48KB

  • memory/3272-124-0x0000000006300000-0x0000000006650000-memory.dmp
    Filesize

    3.3MB

  • memory/3272-131-0x0000000007C30000-0x0000000007CCC000-memory.dmp
    Filesize

    624KB

  • memory/3272-132-0x0000000007BB0000-0x0000000007BE2000-memory.dmp
    Filesize

    200KB

  • memory/3272-126-0x0000000005B10000-0x0000000005B30000-memory.dmp
    Filesize

    128KB

  • memory/3272-127-0x0000000005B40000-0x0000000005B50000-memory.dmp
    Filesize

    64KB

  • memory/3272-128-0x0000000005B40000-0x0000000005B50000-memory.dmp
    Filesize

    64KB

  • memory/3272-121-0x0000000000F70000-0x0000000001038000-memory.dmp
    Filesize

    800KB

  • memory/3272-130-0x0000000007AE0000-0x0000000007B8A000-memory.dmp
    Filesize

    680KB

  • memory/3272-123-0x0000000005900000-0x0000000005992000-memory.dmp
    Filesize

    584KB

  • memory/3272-125-0x00000000058A0000-0x00000000058AA000-memory.dmp
    Filesize

    40KB

  • memory/3272-122-0x0000000005E00000-0x00000000062FE000-memory.dmp
    Filesize

    5.0MB

  • memory/3700-133-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/3700-136-0x0000000005760000-0x00000000057C6000-memory.dmp
    Filesize

    408KB

  • memory/3700-137-0x00000000056C0000-0x00000000056D0000-memory.dmp
    Filesize

    64KB

  • memory/3700-138-0x00000000068F0000-0x0000000006940000-memory.dmp
    Filesize

    320KB

  • memory/3700-139-0x0000000006B10000-0x0000000006CD2000-memory.dmp
    Filesize

    1.8MB

  • memory/3700-140-0x00000000056C0000-0x00000000056D0000-memory.dmp
    Filesize

    64KB