Analysis

  • max time kernel
    142s
  • max time network
    174s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 09:55

General

  • Target

    MV MINSCO TBN - Ship particulars.exe

  • Size

    770KB

  • MD5

    545eaa55c962df648708bb0bb01bcb28

  • SHA1

    39e0c699f9bd668dc65561aef01451deeb41b073

  • SHA256

    138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

  • SHA512

    4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.penavico--cz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fq$L%J((!6

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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MV MINSCO TBN - Ship particulars.exe
    "C:\Users\Admin\AppData\Local\Temp\MV MINSCO TBN - Ship particulars.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\MV MINSCO TBN - Ship particulars.exe
      "C:\Users\Admin\AppData\Local\Temp\MV MINSCO TBN - Ship particulars.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3448

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1492-115-0x0000000001030000-0x0000000001031000-memory.dmp
    Filesize

    4KB

  • memory/1492-117-0x00000000054C0000-0x00000000054C1000-memory.dmp
    Filesize

    4KB

  • memory/1492-118-0x0000000005060000-0x0000000005061000-memory.dmp
    Filesize

    4KB

  • memory/1492-119-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
    Filesize

    4KB

  • memory/1492-120-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
    Filesize

    4KB

  • memory/3448-122-0x0000000000436A8E-mapping.dmp
  • memory/3448-123-0x00000000007A0000-0x00000000007DC000-memory.dmp
    Filesize

    240KB

  • memory/3448-126-0x0000000004E40000-0x0000000004E41000-memory.dmp
    Filesize

    4KB

  • memory/3448-127-0x0000000004CC0000-0x00000000051BE000-memory.dmp
    Filesize

    5.0MB

  • memory/3448-128-0x0000000005130000-0x0000000005131000-memory.dmp
    Filesize

    4KB

  • memory/3448-129-0x0000000005A20000-0x0000000005A21000-memory.dmp
    Filesize

    4KB