Analysis

  • max time kernel
    111s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:14

General

  • Target

    SKM WB 12082020082613.exe

  • Size

    766KB

  • MD5

    00e265ebf4c6efa6cb2507d402cf414b

  • SHA1

    ba6599687aa6401bb4fb7de17bc1dc30baa59cad

  • SHA256

    127dfcf1e210fc37a26f34b49e552de670aa17e912c38b51f0a374df6d6b9389

  • SHA512

    1c8b066da8e50d0f3af8bf76ff69a3cb93a407a66183187401e571ed39852dd7de11d0e6382ad8852b9105a7e2d7aecbe8a52bc996efc3de45477245e4f1f187

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    gee2424@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flood-protection.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    gee2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 3 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\SKM WB 12082020082613.exe
    "C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe
      "C:\Users\Admin\AppData\Local\Temp\SKM WB 12082020082613.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4600

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKM WB 12082020082613.exe.log

    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • memory/4388-130-0x0000000000580000-0x0000000000646000-memory.dmp

    Filesize

    792KB

  • memory/4388-131-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/4388-132-0x0000000004ED0000-0x0000000004F62000-memory.dmp

    Filesize

    584KB

  • memory/4388-133-0x0000000004F70000-0x000000000500C000-memory.dmp

    Filesize

    624KB

  • memory/4388-134-0x0000000002B50000-0x0000000002B5A000-memory.dmp

    Filesize

    40KB

  • memory/4600-135-0x0000000000000000-mapping.dmp

  • memory/4600-136-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4600-138-0x00000000058B0000-0x0000000005916000-memory.dmp

    Filesize

    408KB

  • memory/4600-139-0x00000000066A0000-0x00000000066F0000-memory.dmp

    Filesize

    320KB