Analysis

  • max time kernel
    187s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    14-04-2022 06:55

General

  • Target

    0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe

  • Size

    560KB

  • MD5

    f4f01da885c52a682060607332aaa4a0

  • SHA1

    134f77704bc306a95941309d63e5b6e66dd48c13

  • SHA256

    0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84

  • SHA512

    7515446df9828f93579be38d095f5117c8b470cac0449f1fd848eef82b15a1db318b6d685647f627bc2c50bf59b845062f325287c91a125a691f9445e186c43a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cl-logistics.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zG@.]Zj4cRxA

Signatures

  • AgentTesla

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

  • Meta Stealer Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
    "C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FOjwxO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99F9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4656
    • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
      "{path}"
      2⤵
        PID:4372
      • C:\Users\Admin\AppData\Local\Temp\0b4fc883a3ab24b0c65a8d19dedafeac5b1c1ca357f4154317ada9517c593b84.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2860

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp99F9.tmp

      Filesize

      1KB

      MD5

      e3593cfbc42776d1777a220c6d65bef0

      SHA1

      417b22aac90169128d4f5a2a90654743476426a1

      SHA256

      fef8d7a8af30e9bd076f24945f9577a699700183b115a4a7bb059395f5c4ae6a

      SHA512

      308968a8e6f5495bdde2c86b7ea34730c5cb567afa246d0bfff047a0c75ba001289ba5d9a5c19c849e3f098a25605de9080f14c89e006bdcc3bd2901269ee8d1

    • memory/992-124-0x0000000000F50000-0x0000000000FE2000-memory.dmp

      Filesize

      584KB

    • memory/992-125-0x0000000005EA0000-0x0000000006444000-memory.dmp

      Filesize

      5.6MB

    • memory/992-126-0x0000000005990000-0x0000000005A22000-memory.dmp

      Filesize

      584KB

    • memory/992-127-0x0000000005B40000-0x0000000005B4A000-memory.dmp

      Filesize

      40KB

    • memory/992-128-0x0000000008350000-0x000000000887C000-memory.dmp

      Filesize

      5.2MB

    • memory/992-129-0x00000000018D0000-0x000000000196C000-memory.dmp

      Filesize

      624KB

    • memory/2860-134-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2860-135-0x0000000006150000-0x00000000061B6000-memory.dmp

      Filesize

      408KB