Analysis

  • max time kernel
    20s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    07-12-2020 19:19

General

  • Target

    1c55d28dcdcf93370495635d3d64e2fd.exe

  • Size

    382KB

  • MD5

    1c55d28dcdcf93370495635d3d64e2fd

  • SHA1

    84505c3ae38421fa4dc6017c8d7e27e9b106cdc9

  • SHA256

    2ec7c847f0688dff3229c676bb15e88e1c576bcb67157341887ffc3a20375190

  • SHA512

    5458491818e243db6fca35d448942ef97cf71e946e3b18c14a6db3e90cd5608f5ecfdeef70303cad2819c33a62fe3dcb884fbdd12e09b24fd02bd6a6ecdac4c6

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c55d28dcdcf93370495635d3d64e2fd.exe
    "C:\Users\Admin\AppData\Local\Temp\1c55d28dcdcf93370495635d3d64e2fd.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1824-2-0x0000000002870000-0x0000000002881000-memory.dmp

    Filesize

    68KB

  • memory/1824-3-0x0000000002870000-0x0000000002881000-memory.dmp

    Filesize

    68KB

  • memory/1824-4-0x0000000073980000-0x000000007406E000-memory.dmp

    Filesize

    6.9MB

  • memory/1824-5-0x0000000000BD0000-0x0000000000BF4000-memory.dmp

    Filesize

    144KB

  • memory/1824-6-0x00000000029D0000-0x00000000029F3000-memory.dmp

    Filesize

    140KB