Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 18:45

General

  • Target

    e6e3eb976984fa5d1ed3ead08a57cbd149e67c8f109f4b29075bfbe3396464f9.exe

  • Size

    665KB

  • MD5

    a4b991c191a5f1dc831228e53ec583fb

  • SHA1

    65a04119bd1277cccf8a5442e00a889c8c303870

  • SHA256

    e6e3eb976984fa5d1ed3ead08a57cbd149e67c8f109f4b29075bfbe3396464f9

  • SHA512

    07ca6c33559cc14fdff3769daa9749aaddaf89673690b2fe654b9d88b52d1971db5275e0d064495d29348cc0d5e246019e1e4d33c6e40a86f1208e018c11e46e

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\e6e3eb976984fa5d1ed3ead08a57cbd149e67c8f109f4b29075bfbe3396464f9.exe
    "C:\Users\Admin\AppData\Local\Temp\e6e3eb976984fa5d1ed3ead08a57cbd149e67c8f109f4b29075bfbe3396464f9.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
      mopnns.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596

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/1500-116-0x0000000003500000-0x00000000035CF000-memory.dmp
    Filesize

    828KB

  • memory/1500-117-0x0000000000400000-0x000000000171A000-memory.dmp
    Filesize

    19.1MB

  • memory/1500-115-0x00000000017DE000-0x000000000184A000-memory.dmp
    Filesize

    432KB

  • memory/1596-127-0x00000000051C0000-0x00000000051C1000-memory.dmp
    Filesize

    4KB

  • memory/1596-131-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
    Filesize

    4KB

  • memory/1596-122-0x00000000004C0000-0x000000000060A000-memory.dmp
    Filesize

    1.3MB

  • memory/1596-123-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB

  • memory/1596-124-0x0000000002320000-0x000000000233F000-memory.dmp
    Filesize

    124KB

  • memory/1596-125-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
    Filesize

    4KB

  • memory/1596-126-0x0000000004B30000-0x0000000004B4D000-memory.dmp
    Filesize

    116KB

  • memory/1596-118-0x0000000000000000-mapping.dmp
  • memory/1596-130-0x0000000004CB3000-0x0000000004CB4000-memory.dmp
    Filesize

    4KB

  • memory/1596-129-0x0000000004CB2000-0x0000000004CB3000-memory.dmp
    Filesize

    4KB

  • memory/1596-128-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
    Filesize

    4KB

  • memory/1596-121-0x00000000007B9000-0x00000000007DC000-memory.dmp
    Filesize

    140KB

  • memory/1596-132-0x00000000057D0000-0x00000000057D1000-memory.dmp
    Filesize

    4KB

  • memory/1596-133-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/1596-134-0x0000000004CB4000-0x0000000004CB6000-memory.dmp
    Filesize

    8KB

  • memory/1596-135-0x00000000058E0000-0x00000000058E1000-memory.dmp
    Filesize

    4KB

  • memory/1596-136-0x00000000064D0000-0x00000000064D1000-memory.dmp
    Filesize

    4KB

  • memory/1596-137-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/1596-138-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
    Filesize

    4KB

  • memory/1596-139-0x0000000007030000-0x0000000007031000-memory.dmp
    Filesize

    4KB

  • memory/1596-140-0x0000000007140000-0x0000000007141000-memory.dmp
    Filesize

    4KB

  • memory/1596-141-0x00000000072E0000-0x00000000072E1000-memory.dmp
    Filesize

    4KB