Analysis

  • max time kernel
    108s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 14:47

General

  • Target

    RFQ-YEKHA-20-0151.exe

  • Size

    702KB

  • MD5

    20ceb0cdf1f078b28671054c2863052c

  • SHA1

    fc335d40a3fe8aceb4fbfd89c279b9b56a142556

  • SHA256

    4223fc55e6b0fc32d0f55607395055db9023a5d6980dccad59f11aadf0179b86

  • SHA512

    1639777ffadd90248a0735429fb3068a0dc5ad106520416104afaebfb2744950c96ee8918267041c6055a882b022ea15472f545e7333329124d2699e5847ec1a

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    newoffice@myexodus1.com
  • Password:
    gefqPU#Az8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-YEKHA-20-0151.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-YEKHA-20-0151.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Users\Admin\AppData\Local\Temp\RFQ-YEKHA-20-0151.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ-YEKHA-20-0151.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
        dw20.exe -x -s 688
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3632

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RFQ-YEKHA-20-0151.exe.log
    MD5

    5e7bb97636a484b5a87e60373614279a

    SHA1

    36bfdec32eedb141a4a106d89a453326f62593ee

    SHA256

    12ed6e1df2c57556c59dfd6630fd454a9df76166f340c41ee6bc54d98e709e20

    SHA512

    448c62d538e646045d7315ff902b86f614e2dc1eb0959c22c6618fd2c8767c330d24692357559310e6b55b0c35415a14a6ab2d6d9b8d2a03186949b97190fd56

  • memory/1324-115-0x0000000000400000-0x000000000046A000-memory.dmp
    Filesize

    424KB

  • memory/1324-116-0x00000000004645BE-mapping.dmp
  • memory/1324-119-0x0000000002E40000-0x0000000002E41000-memory.dmp
    Filesize

    4KB

  • memory/3632-118-0x0000000000000000-mapping.dmp
  • memory/4012-114-0x0000000001500000-0x000000000164A000-memory.dmp
    Filesize

    1.3MB