Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-10-2021 00:30

General

  • Target

    9cc287da13cad939d05f71c75386bd004bf447994d0edd0fc7bbd057dc7148ad.exe

  • Size

    653KB

  • MD5

    97c775504d104f237f6d4b3b4faf293c

  • SHA1

    ba46792111a8430cb59b0120087907747aa055d4

  • SHA256

    9cc287da13cad939d05f71c75386bd004bf447994d0edd0fc7bbd057dc7148ad

  • SHA512

    769ee1eed58fa145fb6c760a38619132b0d09010d6d7340887cbfb7b495914d95bef886aeb74438dc62c632ec9a5e5869db8bbf0e8ffc1c1083e730cd776dbdb

Malware Config

Extracted

Family

redline

Botnet

22.10

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
  • 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\9cc287da13cad939d05f71c75386bd004bf447994d0edd0fc7bbd057dc7148ad.exe
    "C:\Users\Admin\AppData\Local\Temp\9cc287da13cad939d05f71c75386bd004bf447994d0edd0fc7bbd057dc7148ad.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3124
    • C:\Users\Admin\AppData\Roaming\wowsfree\ipstersh.exe
      ipstersh.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3812

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\ipstersh.exe
    MD5

    c4d5d13ebf7d05776d60caa9f33428af

    SHA1

    385e771216489a904ceda560d2715a760bfa7451

    SHA256

    391fe7f9cb02a497ee846f1637eb01ca6f3586cadc277bf71074906d5c0d4be1

    SHA512

    689a0e819c00be0b3b74c7fd386597274f44b38ac435c0bdc5db8ba5e51b1ea6a20478131f9c4b6ecafcc724509069e854064b8c128d5adfc19028a86097efed

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

    c4d5d13ebf7d05776d60caa9f33428af

    SHA1

    385e771216489a904ceda560d2715a760bfa7451

    SHA256

    391fe7f9cb02a497ee846f1637eb01ca6f3586cadc277bf71074906d5c0d4be1

    SHA512

    689a0e819c00be0b3b74c7fd386597274f44b38ac435c0bdc5db8ba5e51b1ea6a20478131f9c4b6ecafcc724509069e854064b8c128d5adfc19028a86097efed

  • memory/3124-116-0x00000000009D0000-0x0000000000B1A000-memory.dmp
    Filesize

    1.3MB

  • memory/3124-117-0x0000000000400000-0x00000000008D3000-memory.dmp
    Filesize

    4.8MB

  • memory/3124-115-0x0000000000B64000-0x0000000000BD0000-memory.dmp
    Filesize

    432KB

  • memory/3812-127-0x00000000076F0000-0x00000000076F1000-memory.dmp
    Filesize

    4KB

  • memory/3812-131-0x0000000007550000-0x0000000007551000-memory.dmp
    Filesize

    4KB

  • memory/3812-122-0x0000000003090000-0x00000000030BF000-memory.dmp
    Filesize

    188KB

  • memory/3812-123-0x0000000000400000-0x0000000002F1A000-memory.dmp
    Filesize

    43.1MB

  • memory/3812-124-0x0000000004DA0000-0x0000000004DBC000-memory.dmp
    Filesize

    112KB

  • memory/3812-125-0x00000000076E0000-0x00000000076E1000-memory.dmp
    Filesize

    4KB

  • memory/3812-126-0x00000000076E2000-0x00000000076E3000-memory.dmp
    Filesize

    4KB

  • memory/3812-118-0x0000000000000000-mapping.dmp
  • memory/3812-128-0x0000000004F50000-0x0000000004F6A000-memory.dmp
    Filesize

    104KB

  • memory/3812-129-0x0000000007BF0000-0x0000000007BF1000-memory.dmp
    Filesize

    4KB

  • memory/3812-130-0x0000000007520000-0x0000000007521000-memory.dmp
    Filesize

    4KB

  • memory/3812-121-0x0000000002F20000-0x000000000306A000-memory.dmp
    Filesize

    1.3MB

  • memory/3812-132-0x00000000076E3000-0x00000000076E4000-memory.dmp
    Filesize

    4KB

  • memory/3812-133-0x0000000007660000-0x0000000007661000-memory.dmp
    Filesize

    4KB

  • memory/3812-134-0x00000000076E4000-0x00000000076E6000-memory.dmp
    Filesize

    8KB

  • memory/3812-135-0x0000000008200000-0x0000000008201000-memory.dmp
    Filesize

    4KB

  • memory/3812-136-0x00000000086D0000-0x00000000086D1000-memory.dmp
    Filesize

    4KB

  • memory/3812-137-0x0000000008B70000-0x0000000008B71000-memory.dmp
    Filesize

    4KB

  • memory/3812-138-0x0000000008C00000-0x0000000008C01000-memory.dmp
    Filesize

    4KB

  • memory/3812-139-0x0000000008CF0000-0x0000000008CF1000-memory.dmp
    Filesize

    4KB

  • memory/3812-140-0x0000000008FD0000-0x0000000008FD1000-memory.dmp
    Filesize

    4KB

  • memory/3812-141-0x00000000091A0000-0x00000000091A1000-memory.dmp
    Filesize

    4KB