Analysis

  • max time kernel
    83s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 01:52

General

  • Target

    7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714.exe

  • Size

    1.1MB

  • MD5

    f2e41db512101c467bcf578005c142ba

  • SHA1

    55c4d0bbec4906eba459332a19b5bb0a4aad0f84

  • SHA256

    7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714

  • SHA512

    1230562c0437138a606570d77df5a45072bdde753d530ad6b5ef4f09556dcc7abeba278af1d40be5c724f4e99011b757f3050e13848d506d5a82e3408bb55a68

  • SSDEEP

    24576:8L4LJLZtfgl3R8y2ulMvv0Cg3+OCoOpP4:9LJttfgl3RGulug0ooQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rimiapparelsltd.com
  • Port:
    587
  • Username:
    postmaster@rimiapparelsltd.com
  • Password:
    Ijeomam28@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rimiapparelsltd.com
  • Port:
    587
  • Username:
    postmaster@rimiapparelsltd.com
  • Password:
    Ijeomam28@
  • Email To:
    webmaster@rimiapparelsltd.com

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714.exe
    "C:\Users\Admin\AppData\Local\Temp\7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Users\Admin\AppData\Local\Temp\7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714.exe
      "C:\Users\Admin\AppData\Local\Temp\7c42e4f5b86dd424e035433029d8e096162e20ba2a3997baa89123c63fbe2714.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1216

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-64-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-63-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-70-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-68-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-66-0x0000000000435BEE-mapping.dmp
  • memory/1216-61-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-65-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1216-60-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1416-55-0x00000000762D1000-0x00000000762D3000-memory.dmp
    Filesize

    8KB

  • memory/1416-54-0x0000000000900000-0x0000000000A22000-memory.dmp
    Filesize

    1.1MB

  • memory/1416-59-0x0000000005110000-0x000000000514A000-memory.dmp
    Filesize

    232KB

  • memory/1416-58-0x0000000007D30000-0x0000000007DC2000-memory.dmp
    Filesize

    584KB

  • memory/1416-57-0x00000000005E0000-0x00000000005EC000-memory.dmp
    Filesize

    48KB

  • memory/1416-56-0x0000000000200000-0x000000000021A000-memory.dmp
    Filesize

    104KB