Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2023, 09:48

General

  • Target

    DHL STATEMENT OF ACCOUNT - 1301144280.exe

  • Size

    573KB

  • MD5

    40206da13ae61adb481cf96a0218b61d

  • SHA1

    f25d76ce0dcb889326f6b4e7a1d3b0d00c7ce1fa

  • SHA256

    a631983d62faec8a35a3f323ed56cbe9d6019ec896098bf22047db3ab16beb2e

  • SHA512

    980c17533425a6a20ae93e601db630ab47a6b58995d3c75a486a39aefbac65333e88560baff8af33fb361ea9c7320e45a85c84ceb6fd2b1721f866731c7df463

  • SSDEEP

    12288:zbqwi/iWsj9uoW6G/wSZ63FVEV9kR4taZb7oIeVvwqgPwA:fqwiiWU+I8BtQXoLwqU

Malware Config

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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL STATEMENT OF ACCOUNT - 1301144280.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL STATEMENT OF ACCOUNT - 1301144280.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Users\Admin\AppData\Local\Temp\DHL STATEMENT OF ACCOUNT - 1301144280.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL STATEMENT OF ACCOUNT - 1301144280.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2360

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL STATEMENT OF ACCOUNT - 1301144280.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/460-8-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

          Filesize

          64KB

        • memory/460-12-0x0000000074DA0000-0x0000000075550000-memory.dmp

          Filesize

          7.7MB

        • memory/460-3-0x0000000004AD0000-0x0000000004B62000-memory.dmp

          Filesize

          584KB

        • memory/460-4-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

          Filesize

          64KB

        • memory/460-5-0x0000000004CA0000-0x0000000004CAA000-memory.dmp

          Filesize

          40KB

        • memory/460-6-0x0000000004F10000-0x0000000004FAC000-memory.dmp

          Filesize

          624KB

        • memory/460-7-0x0000000074DA0000-0x0000000075550000-memory.dmp

          Filesize

          7.7MB

        • memory/460-0-0x0000000074DA0000-0x0000000075550000-memory.dmp

          Filesize

          7.7MB

        • memory/460-2-0x0000000004FE0000-0x0000000005584000-memory.dmp

          Filesize

          5.6MB

        • memory/460-1-0x0000000000160000-0x00000000001F6000-memory.dmp

          Filesize

          600KB

        • memory/2360-9-0x0000000000400000-0x0000000000430000-memory.dmp

          Filesize

          192KB

        • memory/2360-13-0x0000000074DA0000-0x0000000075550000-memory.dmp

          Filesize

          7.7MB

        • memory/2360-14-0x0000000005960000-0x0000000005970000-memory.dmp

          Filesize

          64KB

        • memory/2360-15-0x0000000005970000-0x00000000059D6000-memory.dmp

          Filesize

          408KB

        • memory/2360-16-0x00000000074B0000-0x0000000007500000-memory.dmp

          Filesize

          320KB

        • memory/2360-17-0x00000000076D0000-0x0000000007892000-memory.dmp

          Filesize

          1.8MB

        • memory/2360-18-0x0000000074DA0000-0x0000000075550000-memory.dmp

          Filesize

          7.7MB

        • memory/2360-19-0x0000000005960000-0x0000000005970000-memory.dmp

          Filesize

          64KB