Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 16:15

General

  • Target

    35314d79407067b199d16a17f3e7608c68364c4d4b4098565c5c4133b9b8eddc.exe

  • Size

    662KB

  • MD5

    7931cbb6a28cbbc550fbb81e88c7314c

  • SHA1

    2e73db1f0fe17165db02c9a30a0ca249dca90a5e

  • SHA256

    35314d79407067b199d16a17f3e7608c68364c4d4b4098565c5c4133b9b8eddc

  • SHA512

    f003bb89458e0a313fd533afb8f7a5868909dbff024d1b28336e120bbff824f820c9bfd2ee651c5a94b45e849e4b8dc0836fa5bc56452a267bcd112462a576ee

Malware Config

Extracted

Family

redline

Botnet

mix15.10

C2

185.215.113.15:57055

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
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\35314d79407067b199d16a17f3e7608c68364c4d4b4098565c5c4133b9b8eddc.exe
    "C:\Users\Admin\AppData\Local\Temp\35314d79407067b199d16a17f3e7608c68364c4d4b4098565c5c4133b9b8eddc.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
      mopnns.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:60

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
    MD5

    00629871194dce1879d7611fe3e1b06c

    SHA1

    3d4e09c7e9735440e425f531745adef256c1cfbd

    SHA256

    e172c87c6d3d156c8c4ccb23c8869c4b0d45fbf420aa7035c4cf4c23bd0581c6

    SHA512

    f26a3927f5c561389326c2422550f53be1d407b93c1e04825dee89f8e7ceab569d7ae7d840aa7c6ad2fd60448da3682173003e5e9da3214dc549fa7b3f051319

  • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
    MD5

    00629871194dce1879d7611fe3e1b06c

    SHA1

    3d4e09c7e9735440e425f531745adef256c1cfbd

    SHA256

    e172c87c6d3d156c8c4ccb23c8869c4b0d45fbf420aa7035c4cf4c23bd0581c6

    SHA512

    f26a3927f5c561389326c2422550f53be1d407b93c1e04825dee89f8e7ceab569d7ae7d840aa7c6ad2fd60448da3682173003e5e9da3214dc549fa7b3f051319

  • memory/60-128-0x0000000004CA3000-0x0000000004CA4000-memory.dmp
    Filesize

    4KB

  • memory/60-139-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
    Filesize

    4KB

  • memory/60-140-0x0000000006FA0000-0x0000000006FA1000-memory.dmp
    Filesize

    4KB

  • memory/60-129-0x00000000024E0000-0x00000000024FD000-memory.dmp
    Filesize

    116KB

  • memory/60-123-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB

  • memory/60-122-0x0000000002110000-0x0000000002140000-memory.dmp
    Filesize

    192KB

  • memory/60-124-0x00000000022E0000-0x00000000022FF000-memory.dmp
    Filesize

    124KB

  • memory/60-125-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/60-127-0x0000000004CA2000-0x0000000004CA3000-memory.dmp
    Filesize

    4KB

  • memory/60-126-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/60-141-0x0000000007020000-0x0000000007021000-memory.dmp
    Filesize

    4KB

  • memory/60-118-0x0000000000000000-mapping.dmp
  • memory/60-132-0x00000000057C0000-0x00000000057C1000-memory.dmp
    Filesize

    4KB

  • memory/60-131-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
    Filesize

    4KB

  • memory/60-130-0x00000000051B0000-0x00000000051B1000-memory.dmp
    Filesize

    4KB

  • memory/60-133-0x0000000004CA4000-0x0000000004CA6000-memory.dmp
    Filesize

    8KB

  • memory/60-134-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/60-135-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/60-136-0x00000000064D0000-0x00000000064D1000-memory.dmp
    Filesize

    4KB

  • memory/60-137-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/60-138-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
    Filesize

    4KB

  • memory/2340-116-0x00000000034A0000-0x000000000356F000-memory.dmp
    Filesize

    828KB

  • memory/2340-117-0x0000000000400000-0x0000000001719000-memory.dmp
    Filesize

    19.1MB

  • memory/2340-115-0x00000000019CE000-0x0000000001A3A000-memory.dmp
    Filesize

    432KB