Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-02-2021 10:35

General

  • Target

    1159b5c0e7acc0d01f99c456b5a2e17a.exe

  • Size

    650KB

  • MD5

    1159b5c0e7acc0d01f99c456b5a2e17a

  • SHA1

    3e4a02c3cb4b0c6dd2d462a6ae94e0777bcdbc8a

  • SHA256

    b3c2ed1edebee42767277652dbdb2c3c17c3b33707c975b1679e956658701825

  • SHA512

    c884d969ef71af279bfc5e54f6a5323d9e9f698cb2b3140d16773776d7bade875653bb018cbb40fa0bc69232221506dc8fae95c58a98618d9f742e936a27e838

Score
10/10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1159b5c0e7acc0d01f99c456b5a2e17a.exe
    "C:\Users\Admin\AppData\Local\Temp\1159b5c0e7acc0d01f99c456b5a2e17a.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
      noabu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:396

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\paperships\noabu.exe
    MD5

    bdfdca6660e6fe6cabe4dcc397154975

    SHA1

    6e7130d78356acb749f11b60e10244ea9ba267a2

    SHA256

    3a77d697b35b9de741ac611c904aca942a17d4ac8f786f4f9b9532dec277a8f6

    SHA512

    f7dc745eecfa2f8df6fa54bd1c98333e3c27123dd02bdcc91f9e96950393169a906d611d260a6863b36f22e6fa00c9fdabdd6e2bd24e7aaed50d265b19e03327

  • \Users\Admin\AppData\Roaming\paperships\noabu.exe
    MD5

    bdfdca6660e6fe6cabe4dcc397154975

    SHA1

    6e7130d78356acb749f11b60e10244ea9ba267a2

    SHA256

    3a77d697b35b9de741ac611c904aca942a17d4ac8f786f4f9b9532dec277a8f6

    SHA512

    f7dc745eecfa2f8df6fa54bd1c98333e3c27123dd02bdcc91f9e96950393169a906d611d260a6863b36f22e6fa00c9fdabdd6e2bd24e7aaed50d265b19e03327

  • memory/396-14-0x0000000002530000-0x0000000002557000-memory.dmp
    Filesize

    156KB

  • memory/396-13-0x00000000024C0000-0x00000000024E9000-memory.dmp
    Filesize

    164KB

  • memory/396-20-0x0000000002344000-0x0000000002346000-memory.dmp
    Filesize

    8KB

  • memory/396-19-0x0000000002343000-0x0000000002344000-memory.dmp
    Filesize

    4KB

  • memory/396-18-0x0000000002342000-0x0000000002343000-memory.dmp
    Filesize

    4KB

  • memory/396-8-0x0000000000000000-mapping.dmp
  • memory/396-10-0x0000000000E30000-0x0000000000E41000-memory.dmp
    Filesize

    68KB

  • memory/396-11-0x00000000023C0000-0x00000000023D1000-memory.dmp
    Filesize

    68KB

  • memory/396-12-0x0000000073960000-0x000000007404E000-memory.dmp
    Filesize

    6.9MB

  • memory/396-17-0x0000000002341000-0x0000000002342000-memory.dmp
    Filesize

    4KB

  • memory/396-16-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/396-15-0x0000000000230000-0x0000000000265000-memory.dmp
    Filesize

    212KB

  • memory/916-6-0x000007FEF5DB0000-0x000007FEF602A000-memory.dmp
    Filesize

    2.5MB

  • memory/1968-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmp
    Filesize

    8KB

  • memory/1968-5-0x0000000000400000-0x00000000004D5000-memory.dmp
    Filesize

    852KB

  • memory/1968-2-0x0000000000B90000-0x0000000000BA1000-memory.dmp
    Filesize

    68KB

  • memory/1968-4-0x00000000002C0000-0x000000000038F000-memory.dmp
    Filesize

    828KB