Analysis

  • max time kernel
    83s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 02:28

General

  • Target

    SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe

  • Size

    679KB

  • MD5

    673e2ecfd22ac29bdd80c0f6174a7d21

  • SHA1

    d1b0b95fed88562bca215e04799f426ae63fb157

  • SHA256

    120623ba7db0aff809f92ba166a384206c2fa77586f294545d2ba3ca4fe497b5

  • SHA512

    c1e2dedceeea00a4d7dc0f711ff9c6f22142593f7202955c9b18d587c32cf6dbbd63fcb702855bfd7584148708902eaa59ebc243932b5d80cc3a665044faa41a

  • SSDEEP

    12288:cte96xHFU0teCyfeYUCDLk27xn8Ru14eVEJ3L41HcNSB:Ee9AdeCULn+uChg

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    origin5mtp@yandex.com
  • Password:
    exsdqceuklyvsavo
  • Email To:
    origin5mtp@yandex.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
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2248

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\SecuriteInfo.com.Trojan-Spy.Keylogger.Snake.23251.26612.exe.log
    Filesize

    1KB

    MD5

    84e77a587d94307c0ac1357eb4d3d46f

    SHA1

    83cc900f9401f43d181207d64c5adba7a85edc1e

    SHA256

    e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

    SHA512

    aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

  • memory/2248-145-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2248-152-0x0000000005020000-0x0000000005030000-memory.dmp
    Filesize

    64KB

  • memory/2248-151-0x0000000006B70000-0x0000000006D32000-memory.dmp
    Filesize

    1.8MB

  • memory/2248-150-0x0000000006920000-0x0000000006970000-memory.dmp
    Filesize

    320KB

  • memory/2248-149-0x0000000005020000-0x0000000005030000-memory.dmp
    Filesize

    64KB

  • memory/2248-148-0x0000000004DA0000-0x0000000004E06000-memory.dmp
    Filesize

    408KB

  • memory/4812-137-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-141-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-142-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-143-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-144-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-140-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-139-0x0000000005D40000-0x0000000005D50000-memory.dmp
    Filesize

    64KB

  • memory/4812-138-0x0000000005CE0000-0x0000000005CEA000-memory.dmp
    Filesize

    40KB

  • memory/4812-133-0x0000000000240000-0x00000000002F0000-memory.dmp
    Filesize

    704KB

  • memory/4812-136-0x0000000005BB0000-0x0000000005C4C000-memory.dmp
    Filesize

    624KB

  • memory/4812-135-0x0000000004D50000-0x0000000004DE2000-memory.dmp
    Filesize

    584KB

  • memory/4812-134-0x0000000005260000-0x0000000005804000-memory.dmp
    Filesize

    5.6MB