Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2023 16:51

General

  • Target

    Remittance Documents Claim 1.exe

  • Size

    1.0MB

  • MD5

    a2cdefaa9027ded0b82f1554c79b3781

  • SHA1

    bc2b570e3097fff585f71cb806204b8b527af9da

  • SHA256

    a341597a3593fea8c72ae01c56c656eb789ad7f9fc6ab9c4153433ab60066be5

  • SHA512

    00fe318f71db27f31e54ec91bda44d7fb537537dff54aaeb5d4299043f857936b6545c5a08911f4fdb8326576062a15ee2b5ebfd7b2c60aca82e18306cbf38f0

  • SSDEEP

    12288:vHNjzMJr5EPvfCU1oAECJgsdlUgN9Ie4ryagV:PNjzMTW3CmEVsAg/Ie47gV

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • 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 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remittance Documents Claim 1.exe
    "C:\Users\Admin\AppData\Local\Temp\Remittance Documents Claim 1.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1640-0-0x00000000008B0000-0x00000000009BA000-memory.dmp

    Filesize

    1.0MB

  • memory/1640-1-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1640-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp

    Filesize

    256KB

  • memory/1640-3-0x0000000000520000-0x0000000000538000-memory.dmp

    Filesize

    96KB

  • memory/1640-4-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/1640-5-0x0000000000670000-0x000000000067A000-memory.dmp

    Filesize

    40KB

  • memory/1640-6-0x0000000004CC0000-0x0000000004D20000-memory.dmp

    Filesize

    384KB

  • memory/1640-7-0x00000000005D0000-0x00000000005F6000-memory.dmp

    Filesize

    152KB

  • memory/1640-8-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1640-9-0x0000000004D80000-0x0000000004DC0000-memory.dmp

    Filesize

    256KB