Analysis

  • max time kernel
    131s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 09:51

General

  • Target

    7HCYDW.exe

  • Size

    439KB

  • MD5

    df149dd69ac46dbfafd8194e3d10a6ab

  • SHA1

    f15fae56c94c46576e7b656ea34d5eb42bd8fda4

  • SHA256

    8715b90fdea709f60563d5cfad92a81de645f3241e25804e6b58e891a11e6192

  • SHA512

    861f099e004e61391f51d2f2266f3d05130db1a817838a2e5e26ba586274593cafa751b88b7a549236131fd8dfaad67ff27ba071334e9202ebb3e3196db75ef8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alraedsecurity.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Alraed99pass@

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\7HCYDW.exe
    "C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe
      "C:\Users\Admin\AppData\Local\Temp\7HCYDW.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2884

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\7HCYDW.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1752-122-0x00000000057A0000-0x00000000057A8000-memory.dmp
    Filesize

    32KB

  • memory/1752-118-0x00000000052B0000-0x00000000052B1000-memory.dmp
    Filesize

    4KB

  • memory/1752-119-0x00000000052B0000-0x00000000057AE000-memory.dmp
    Filesize

    5.0MB

  • memory/1752-120-0x0000000005250000-0x0000000005251000-memory.dmp
    Filesize

    4KB

  • memory/1752-121-0x0000000007710000-0x0000000007711000-memory.dmp
    Filesize

    4KB

  • memory/1752-115-0x00000000009A0000-0x00000000009A1000-memory.dmp
    Filesize

    4KB

  • memory/1752-123-0x0000000007A50000-0x0000000007AA8000-memory.dmp
    Filesize

    352KB

  • memory/1752-117-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/2884-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2884-125-0x00000000004374BE-mapping.dmp
  • memory/2884-131-0x0000000005280000-0x000000000577E000-memory.dmp
    Filesize

    5.0MB

  • memory/2884-132-0x00000000056D0000-0x00000000056D1000-memory.dmp
    Filesize

    4KB

  • memory/2884-133-0x0000000005F70000-0x0000000005F71000-memory.dmp
    Filesize

    4KB