Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    25-10-2021 16:09

General

  • Target

    NEW PURCHASE ORDER #099478656355T4747UY788898898.exe

  • Size

    392KB

  • MD5

    9134e2091e42890fcfb19b2b2967b37b

  • SHA1

    3087aa36c2721922f5768cea095aaf64fead3e94

  • SHA256

    725d7a5a757e46975ddd7e9d3b78e0569a7aaf52de1f740a68a714467746dcdc

  • SHA512

    4520277f63120279eda6acad45288c3061a447960ba4696941a10c3d2ee1acb27e3fb0e745dc30c582a9cc07c610338c84955e5c0cfaa127062dc37165aeb00e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.good-shepherd-ministries.org/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    o4F-yQ@8[([G

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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 behavior: EnumeratesProcesses 2 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\NEW PURCHASE ORDER #099478656355T4747UY788898898.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #099478656355T4747UY788898898.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #099478656355T4747UY788898898.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #099478656355T4747UY788898898.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW PURCHASE ORDER #099478656355T4747UY788898898.exe.log

    MD5

    a0e707fe36011e6af75f346b45a6c283

    SHA1

    fa05c5ca3b0eeb77c5da2c58fad57f974f210741

    SHA256

    24ca8675c1460696657b57ef8366db96952438fbccf17cea214dc462b5ad81f1

    SHA512

    77fd034849cbd1c4c132cd5b3aa554335968e7881c959888ee150ec4b232f885f62970c1bc56b6d3f660a404ed44b9d87a301b71a07436b7962cd07dde90a108

  • memory/688-124-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/688-136-0x0000000004FE0000-0x00000000054DE000-memory.dmp

    Filesize

    5.0MB

  • memory/688-133-0x0000000005CD0000-0x0000000005CD1000-memory.dmp

    Filesize

    4KB

  • memory/688-132-0x0000000005140000-0x0000000005141000-memory.dmp

    Filesize

    4KB

  • memory/688-131-0x0000000004FE0000-0x00000000054DE000-memory.dmp

    Filesize

    5.0MB

  • memory/688-125-0x000000000043750E-mapping.dmp

  • memory/3464-119-0x0000000004EC0000-0x00000000053BE000-memory.dmp

    Filesize

    5.0MB

  • memory/3464-123-0x0000000005DD0000-0x0000000005E28000-memory.dmp

    Filesize

    352KB

  • memory/3464-122-0x0000000005D30000-0x0000000005D31000-memory.dmp

    Filesize

    4KB

  • memory/3464-121-0x0000000005140000-0x0000000005147000-memory.dmp

    Filesize

    28KB

  • memory/3464-120-0x00000000058C0000-0x00000000058C1000-memory.dmp

    Filesize

    4KB

  • memory/3464-115-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/3464-118-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

    Filesize

    4KB

  • memory/3464-117-0x00000000053C0000-0x00000000053C1000-memory.dmp

    Filesize

    4KB