Analysis

  • max time kernel
    133s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    15-09-2021 06:25

General

  • Target

    PROJ-9560 - PACKING SLIP.exe

  • Size

    756KB

  • MD5

    0b9bcc15a42f77816d676c3290c9615b

  • SHA1

    decaff5d1b1aba6df96d70b1cd8ec4d37f5ee215

  • SHA256

    5adc4cb387d4bb0d2a3c1377a61bac5fa66ba260e5a33f1ca7d65fef695b14d7

  • SHA512

    882e27a4ed7106dbdb7ffbe265cf9843f106cc33c7f9499f2303e71d045ca9fb33ea8c43a040008b232e720a8b6c768ffb26d8efb37784310bcdefec5befd376

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aninditaeng.net
  • Port:
    587
  • Username:
    admin@aninditaeng.net
  • Password:
    t2weClGi1f~7Elps

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aninditaeng.net
  • Port:
    587
  • Username:
    admin@aninditaeng.net
  • Password:
    t2weClGi1f~7Elps

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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.

  • 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). Likely ransomware behaviour.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROJ-9560 - PACKING SLIP.exe
    "C:\Users\Admin\AppData\Local\Temp\PROJ-9560 - PACKING SLIP.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vWznzZn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8979.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1592
    • C:\Users\Admin\AppData\Local\Temp\PROJ-9560 - PACKING SLIP.exe
      "{path}"
      2⤵
        PID:976
      • C:\Users\Admin\AppData\Local\Temp\PROJ-9560 - PACKING SLIP.exe
        "{path}"
        2⤵
          PID:3188
        • C:\Users\Admin\AppData\Local\Temp\PROJ-9560 - PACKING SLIP.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3172

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PROJ-9560 - PACKING SLIP.exe.log
        MD5

        90acfd72f14a512712b1a7380c0faf60

        SHA1

        40ba4accb8faa75887e84fb8e38d598dc8cf0f12

        SHA256

        20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

        SHA512

        29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

      • C:\Users\Admin\AppData\Local\Temp\tmp8979.tmp
        MD5

        0156efda2f8e6ee09d6753984816c61c

        SHA1

        464a9868de861d55388f62dd1cb29037e2f0d848

        SHA256

        350988f1470b0735ae0b6471dfcb08da5a8dd4398bb34dd1e2f9aaa1bdae51d1

        SHA512

        2986b055ce003312fe4a6dac29afd25e8e99a2cdbb618c7c41a990d30977332d4ea6627554974f50815bd7743c75500f11713fb5854a56f9a297550846500649

      • memory/1592-126-0x0000000000000000-mapping.dmp
      • memory/3172-136-0x0000000006AA0000-0x0000000006AA1000-memory.dmp
        Filesize

        4KB

      • memory/3172-135-0x0000000005690000-0x0000000005B8E000-memory.dmp
        Filesize

        5.0MB

      • memory/3172-129-0x00000000004203BE-mapping.dmp
      • memory/3172-128-0x0000000000400000-0x0000000000426000-memory.dmp
        Filesize

        152KB

      • memory/3996-120-0x0000000004E80000-0x0000000004E81000-memory.dmp
        Filesize

        4KB

      • memory/3996-124-0x00000000082E0000-0x000000000834D000-memory.dmp
        Filesize

        436KB

      • memory/3996-125-0x0000000008490000-0x00000000084B4000-memory.dmp
        Filesize

        144KB

      • memory/3996-123-0x0000000004770000-0x000000000477E000-memory.dmp
        Filesize

        56KB

      • memory/3996-122-0x0000000002740000-0x0000000002741000-memory.dmp
        Filesize

        4KB

      • memory/3996-121-0x0000000004F60000-0x0000000004F61000-memory.dmp
        Filesize

        4KB

      • memory/3996-115-0x0000000000390000-0x0000000000391000-memory.dmp
        Filesize

        4KB

      • memory/3996-119-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
        Filesize

        4KB

      • memory/3996-118-0x00000000052D0000-0x00000000052D1000-memory.dmp
        Filesize

        4KB

      • memory/3996-117-0x0000000004D30000-0x0000000004D31000-memory.dmp
        Filesize

        4KB