Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    09-11-2021 13:06

General

  • Target

    fed47748feef9d2cbf9931839fe07af550cb90ed48c490a879be4adb51b3708f.exe

  • Size

    656KB

  • MD5

    7f5bad42bcc1b251f3413f2c866f6a25

  • SHA1

    e0f85efa28cf9182b58efd4e2fb24688157d99a5

  • SHA256

    fed47748feef9d2cbf9931839fe07af550cb90ed48c490a879be4adb51b3708f

  • SHA512

    03504466ebb07d4c69d29fdd5a2ca77053b00530c88ba970d95b651a52f61502fedfca6702af7ddcc4037446da070308ea3418fecf5e6777cbdb5c186dfea056

Malware Config

Extracted

Family

redline

Botnet

09.11

C2

185.215.113.17:7700

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

    suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fed47748feef9d2cbf9931839fe07af550cb90ed48c490a879be4adb51b3708f.exe
    "C:\Users\Admin\AppData\Local\Temp\fed47748feef9d2cbf9931839fe07af550cb90ed48c490a879be4adb51b3708f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Roaming\warmded\dipster.exe
      dipster.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3952

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\warmded\dipster.exe
    MD5

    60c1c744ea8ef33fecca02fc1ed86d87

    SHA1

    8c63cb28883d6816e13a4a1da3915233687fb33f

    SHA256

    1e1daae3257119a71a5f017ca4986a933a961b226955b651fc91502ac391a5fc

    SHA512

    082e8176ab8648e3427f2fcbc6c472ea47091e14c9062214cc4f3a6b33336e18a8c2c5d48cda0be855b1f9e4d9c06ea90584ee5b8b6381b5cb01f474642b2ea0

  • C:\Users\Admin\AppData\Roaming\warmded\dipster.exe
    MD5

    60c1c744ea8ef33fecca02fc1ed86d87

    SHA1

    8c63cb28883d6816e13a4a1da3915233687fb33f

    SHA256

    1e1daae3257119a71a5f017ca4986a933a961b226955b651fc91502ac391a5fc

    SHA512

    082e8176ab8648e3427f2fcbc6c472ea47091e14c9062214cc4f3a6b33336e18a8c2c5d48cda0be855b1f9e4d9c06ea90584ee5b8b6381b5cb01f474642b2ea0

  • memory/2896-116-0x0000000004920000-0x00000000049EF000-memory.dmp
    Filesize

    828KB

  • memory/2896-117-0x0000000000400000-0x0000000002B9D000-memory.dmp
    Filesize

    39.6MB

  • memory/2896-115-0x0000000002E8E000-0x0000000002EFA000-memory.dmp
    Filesize

    432KB

  • memory/3952-125-0x0000000004D50000-0x0000000004D51000-memory.dmp
    Filesize

    4KB

  • memory/3952-127-0x0000000002460000-0x000000000248C000-memory.dmp
    Filesize

    176KB

  • memory/3952-123-0x00000000004F0000-0x000000000063A000-memory.dmp
    Filesize

    1.3MB

  • memory/3952-122-0x00000000004F0000-0x000000000063A000-memory.dmp
    Filesize

    1.3MB

  • memory/3952-124-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

  • memory/3952-118-0x0000000000000000-mapping.dmp
  • memory/3952-126-0x0000000004D60000-0x0000000004D61000-memory.dmp
    Filesize

    4KB

  • memory/3952-121-0x0000000002430000-0x000000000245E000-memory.dmp
    Filesize

    184KB

  • memory/3952-128-0x0000000005260000-0x0000000005261000-memory.dmp
    Filesize

    4KB

  • memory/3952-129-0x0000000004D52000-0x0000000004D53000-memory.dmp
    Filesize

    4KB

  • memory/3952-130-0x0000000004D53000-0x0000000004D54000-memory.dmp
    Filesize

    4KB

  • memory/3952-131-0x00000000028D0000-0x00000000028D1000-memory.dmp
    Filesize

    4KB

  • memory/3952-132-0x0000000005870000-0x0000000005871000-memory.dmp
    Filesize

    4KB

  • memory/3952-133-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/3952-134-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/3952-135-0x0000000004D54000-0x0000000004D56000-memory.dmp
    Filesize

    8KB