Analysis

  • max time kernel
    122s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 16:23

General

  • Target

    804c2fb52752597cd0fdae9838df7d08.exe

  • Size

    893KB

  • MD5

    804c2fb52752597cd0fdae9838df7d08

  • SHA1

    a5ebf568c0e7f81a5f6854ed9a690a948f804dd2

  • SHA256

    0a101b8b739c481e387e2daf5d85aaa93cf0188ff798233817e2e349b7ac1fe9

  • SHA512

    dfea22fcd622b5dd02f095e9148c68c9d135c654b1974a163253f783199895f58684b55b7994ba4e227c0f25463a1795460f97a94d3c92e421d5afe7819e6f27

  • SSDEEP

    12288:sJtPdGVDaHK7zTe++KINAeU+dy7fOhL8sCTqegHCcxvKIHWBSGm:sJYO+VluZL8sCTyHlZdH2S

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
    "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BcGxjlRX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2146.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2732
    • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
      "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
      2⤵
        PID:2548
      • C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe
        "C:\Users\Admin\AppData\Local\Temp\804c2fb52752597cd0fdae9838df7d08.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 1624
          3⤵
          • Program crash
          PID:1496

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp2146.tmp

            Filesize

            1KB

            MD5

            e600d65493c02c763bbab01fc5fa4065

            SHA1

            715348d8f755169ffd4ea4a5d5f87e899b543a73

            SHA256

            ae3d8f74205682cf92a49d706900a1230724575c3accf0e052a8fc3d01fd721f

            SHA512

            510732decf03852d6c04edc9ca377a68452a8d1cbc2d83dcecdd314bbc1a1ac2357cfb7296cfea3aaf7bd1cf2b5010cf7cae04a140d5ae0e5b2ab3fa60df8f86

          • memory/1620-0-0x0000000000EC0000-0x0000000000FA4000-memory.dmp

            Filesize

            912KB

          • memory/1620-1-0x00000000748D0000-0x0000000074FBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1620-2-0x0000000004E50000-0x0000000004E90000-memory.dmp

            Filesize

            256KB

          • memory/1620-3-0x0000000000550000-0x0000000000566000-memory.dmp

            Filesize

            88KB

          • memory/1620-4-0x00000000748D0000-0x0000000074FBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1620-5-0x0000000004E50000-0x0000000004E90000-memory.dmp

            Filesize

            256KB

          • memory/1620-6-0x0000000005530000-0x00000000055BE000-memory.dmp

            Filesize

            568KB

          • memory/1620-7-0x0000000004DF0000-0x0000000004E16000-memory.dmp

            Filesize

            152KB

          • memory/1620-28-0x00000000748D0000-0x0000000074FBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1940-24-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-27-0x00000000748D0000-0x0000000074FBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1940-26-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-29-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

            Filesize

            256KB

          • memory/1940-22-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/1940-19-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-17-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-15-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-13-0x0000000000400000-0x0000000000424000-memory.dmp

            Filesize

            144KB

          • memory/1940-30-0x00000000748D0000-0x0000000074FBE000-memory.dmp

            Filesize

            6.9MB

          • memory/1940-31-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

            Filesize

            256KB