Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 12:00

General

  • Target

    781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe

  • Size

    323KB

  • MD5

    9d8e1173ecc6d44b69fabdfd2d9ecb15

  • SHA1

    a44f35e516f59d764226326c8eb4af6540d8a8a0

  • SHA256

    781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04

  • SHA512

    5f74ad1edb4636b7175ef022ceb71d09aa3334a1814ab85b6b9da2af947242d67a652ee5d42bd09a8755ff581ed07f306ce3240877a8dbae6ebd74872c0db5cb

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe
    "C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "781f78c1ee4bdaeb0bdcdc35380427fdfc00faee122bb4c5ff0733004a56dd04.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1220-58-0x0000000000000000-mapping.dmp

  • memory/1268-59-0x0000000000000000-mapping.dmp

  • memory/1808-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB

  • memory/1808-55-0x000000000026B000-0x0000000000293000-memory.dmp

    Filesize

    160KB

  • memory/1808-56-0x0000000006540000-0x0000000006586000-memory.dmp

    Filesize

    280KB

  • memory/1808-57-0x0000000000400000-0x0000000004DCD000-memory.dmp

    Filesize

    73.8MB