Analysis

  • max time kernel
    95s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02-03-2021 00:09

General

  • Target

    69fa6aa34cf0ae63c618d3dc67f123f2bcc2e4e21f28caf45f799206beebfff0.exe

  • Size

    2.4MB

  • MD5

    e2ff2b8181e08ad9638e802775cac4a6

  • SHA1

    2f4a054b49bd2550ae927f85e02292277e9f24b9

  • SHA256

    69fa6aa34cf0ae63c618d3dc67f123f2bcc2e4e21f28caf45f799206beebfff0

  • SHA512

    00515c0c873edee75118f5be067a954743924307d7be87a2787f2044d4783561ea96ae4fdf12983e8dbe6dd473c5961f44af3d6b3882ad6b4acc8c22c014d544

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69fa6aa34cf0ae63c618d3dc67f123f2bcc2e4e21f28caf45f799206beebfff0.exe
    "C:\Users\Admin\AppData\Local\Temp\69fa6aa34cf0ae63c618d3dc67f123f2bcc2e4e21f28caf45f799206beebfff0.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\ProgramData\Decoder.exe
      "C:\ProgramData\Decoder.exe"
      2⤵
      • Executes dropped EXE
      PID:2988
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:492
      • C:\Windows\system32\timeout.exe
        timeout 4
        3⤵
        • Delays execution with timeout.exe
        PID:3996

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Decoder.exe
    MD5

    de81e7651c6e62b4c7195ac2e6befbc0

    SHA1

    1f2dc517abf4b8a789ac4ef9d8c7d1a7f486fe32

    SHA256

    eef661cffbde254d5b9dba578e91f35cfc0a5fd4c6f25e959eef04ee948f1d5b

    SHA512

    3cde05ae78fcd5978cd15bf155f650997489c130cf73539b00c45eb36a5582af11e419efedb3f88cb7caca4691bc1f691b8e4e820276ced697fe82198c4f076b

  • C:\ProgramData\Decoder.exe
    MD5

    de81e7651c6e62b4c7195ac2e6befbc0

    SHA1

    1f2dc517abf4b8a789ac4ef9d8c7d1a7f486fe32

    SHA256

    eef661cffbde254d5b9dba578e91f35cfc0a5fd4c6f25e959eef04ee948f1d5b

    SHA512

    3cde05ae78fcd5978cd15bf155f650997489c130cf73539b00c45eb36a5582af11e419efedb3f88cb7caca4691bc1f691b8e4e820276ced697fe82198c4f076b

  • C:\Users\Admin\AppData\Local\Temp\.cmd
    MD5

    73712247036b6a24d16502c57a3e5679

    SHA1

    65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

    SHA256

    8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

    SHA512

    548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

  • memory/492-12-0x0000000000000000-mapping.dmp
  • memory/984-5-0x0000000000E80000-0x0000000000E82000-memory.dmp
    Filesize

    8KB

  • memory/984-9-0x000000001B520000-0x000000001B591000-memory.dmp
    Filesize

    452KB

  • memory/984-6-0x0000000000E30000-0x0000000000E31000-memory.dmp
    Filesize

    4KB

  • memory/984-3-0x0000000000560000-0x0000000000561000-memory.dmp
    Filesize

    4KB

  • memory/984-2-0x00007FF901620000-0x00007FF90200C000-memory.dmp
    Filesize

    9.9MB

  • memory/2988-10-0x0000000000000000-mapping.dmp
  • memory/2988-16-0x0000000073800000-0x0000000073EEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2988-17-0x0000000000700000-0x0000000000701000-memory.dmp
    Filesize

    4KB

  • memory/3996-15-0x0000000000000000-mapping.dmp