Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 15:00

General

  • Target

    e302c5a029bb2b0756adbc8891854b0728d821b2accc0c466f747b751457deef.exe

  • Size

    661KB

  • MD5

    9a7f6f9a5b350f203321b0786329aa00

  • SHA1

    9706d421f4c8df54e14c98d77d449f454b550409

  • SHA256

    e302c5a029bb2b0756adbc8891854b0728d821b2accc0c466f747b751457deef

  • SHA512

    5033cf0dfdae2b152bdecf09fb1eafc912a5d9e677b850331dd513ea5b0871240907ce83801aa52248abfbcf119655af400965d5c53ca03f4249ecc2d6ef5b9a

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\e302c5a029bb2b0756adbc8891854b0728d821b2accc0c466f747b751457deef.exe
    "C:\Users\Admin\AppData\Local\Temp\e302c5a029bb2b0756adbc8891854b0728d821b2accc0c466f747b751457deef.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
      mopnns.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:872

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/872-127-0x00000000051E0000-0x00000000051E1000-memory.dmp
    Filesize

    4KB

  • memory/872-121-0x00000000006EA000-0x000000000070D000-memory.dmp
    Filesize

    140KB

  • memory/872-128-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
    Filesize

    4KB

  • memory/872-141-0x00000000072E0000-0x00000000072E1000-memory.dmp
    Filesize

    4KB

  • memory/872-130-0x0000000004CD3000-0x0000000004CD4000-memory.dmp
    Filesize

    4KB

  • memory/872-122-0x00000000004C0000-0x000000000060A000-memory.dmp
    Filesize

    1.3MB

  • memory/872-123-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB

  • memory/872-131-0x0000000004BE0000-0x0000000004BE1000-memory.dmp
    Filesize

    4KB

  • memory/872-125-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/872-126-0x00000000025C0000-0x00000000025DD000-memory.dmp
    Filesize

    116KB

  • memory/872-140-0x0000000007130000-0x0000000007131000-memory.dmp
    Filesize

    4KB

  • memory/872-129-0x0000000004CD2000-0x0000000004CD3000-memory.dmp
    Filesize

    4KB

  • memory/872-118-0x0000000000000000-mapping.dmp
  • memory/872-139-0x0000000007030000-0x0000000007031000-memory.dmp
    Filesize

    4KB

  • memory/872-124-0x0000000002200000-0x000000000221F000-memory.dmp
    Filesize

    124KB

  • memory/872-132-0x00000000057F0000-0x00000000057F1000-memory.dmp
    Filesize

    4KB

  • memory/872-133-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/872-134-0x0000000004CD4000-0x0000000004CD6000-memory.dmp
    Filesize

    8KB

  • memory/872-135-0x0000000004C80000-0x0000000004C81000-memory.dmp
    Filesize

    4KB

  • memory/872-136-0x00000000064D0000-0x00000000064D1000-memory.dmp
    Filesize

    4KB

  • memory/872-137-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/872-138-0x0000000006CD0000-0x0000000006CD1000-memory.dmp
    Filesize

    4KB

  • memory/1836-117-0x0000000000400000-0x0000000001719000-memory.dmp
    Filesize

    19.1MB

  • memory/1836-115-0x00000000017AE000-0x000000000181A000-memory.dmp
    Filesize

    432KB

  • memory/1836-116-0x0000000003460000-0x000000000352F000-memory.dmp
    Filesize

    828KB