Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    22-10-2021 08:46

General

  • Target

    69f485e0ea916f303f13e5ba45a4d1854bcb38e39d2b10068c3da786b7666c5f.exe

  • Size

    654KB

  • MD5

    3bdfe8f20970495b408d007cd6bc88fe

  • SHA1

    d7fc771f3001e8536bb6b3849d8e2024189d95c8

  • SHA256

    69f485e0ea916f303f13e5ba45a4d1854bcb38e39d2b10068c3da786b7666c5f

  • SHA512

    200697f3d31f8d0435cb2d96affc8305d0370c29b1cbb4cd8f2a75a02d2c6a5d3330fa5a56fdf4ca3fa13056960679b6459882c06bc8a07c730517dc5958d14f

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
  • 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\69f485e0ea916f303f13e5ba45a4d1854bcb38e39d2b10068c3da786b7666c5f.exe
    "C:\Users\Admin\AppData\Local\Temp\69f485e0ea916f303f13e5ba45a4d1854bcb38e39d2b10068c3da786b7666c5f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Roaming\wowsfree\ipstersh.exe
      ipstersh.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:516

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/516-127-0x0000000005122000-0x0000000005123000-memory.dmp
    Filesize

    4KB

  • memory/516-121-0x0000000002F20000-0x000000000306A000-memory.dmp
    Filesize

    1.3MB

  • memory/516-129-0x0000000005130000-0x000000000514A000-memory.dmp
    Filesize

    104KB

  • memory/516-141-0x00000000091B0000-0x00000000091B1000-memory.dmp
    Filesize

    4KB

  • memory/516-130-0x00000000079D0000-0x00000000079D1000-memory.dmp
    Filesize

    4KB

  • memory/516-122-0x0000000004B40000-0x0000000004B6F000-memory.dmp
    Filesize

    188KB

  • memory/516-123-0x0000000000400000-0x0000000002F1A000-memory.dmp
    Filesize

    43.1MB

  • memory/516-131-0x0000000008040000-0x0000000008041000-memory.dmp
    Filesize

    4KB

  • memory/516-124-0x0000000004D80000-0x0000000004D9C000-memory.dmp
    Filesize

    112KB

  • memory/516-126-0x00000000074D0000-0x00000000074D1000-memory.dmp
    Filesize

    4KB

  • memory/516-140-0x0000000008FC0000-0x0000000008FC1000-memory.dmp
    Filesize

    4KB

  • memory/516-128-0x0000000005123000-0x0000000005124000-memory.dmp
    Filesize

    4KB

  • memory/516-139-0x0000000008CB0000-0x0000000008CB1000-memory.dmp
    Filesize

    4KB

  • memory/516-118-0x0000000000000000-mapping.dmp
  • memory/516-125-0x0000000005120000-0x0000000005121000-memory.dmp
    Filesize

    4KB

  • memory/516-132-0x0000000008070000-0x0000000008071000-memory.dmp
    Filesize

    4KB

  • memory/516-133-0x0000000008180000-0x0000000008181000-memory.dmp
    Filesize

    4KB

  • memory/516-134-0x0000000008200000-0x0000000008201000-memory.dmp
    Filesize

    4KB

  • memory/516-135-0x0000000005124000-0x0000000005126000-memory.dmp
    Filesize

    8KB

  • memory/516-136-0x00000000085D0000-0x00000000085D1000-memory.dmp
    Filesize

    4KB

  • memory/516-137-0x0000000008B80000-0x0000000008B81000-memory.dmp
    Filesize

    4KB

  • memory/516-138-0x0000000008C00000-0x0000000008C01000-memory.dmp
    Filesize

    4KB

  • memory/4068-116-0x0000000000EC0000-0x0000000000F8F000-memory.dmp
    Filesize

    828KB

  • memory/4068-115-0x0000000000948000-0x00000000009B4000-memory.dmp
    Filesize

    432KB

  • memory/4068-117-0x0000000000400000-0x00000000008D4000-memory.dmp
    Filesize

    4.8MB