Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    15-10-2021 19:17

General

  • Target

    64589566ba7710238256693a590fbc5606d46284ae2f1786b082be730bc408cc.exe

  • Size

    664KB

  • MD5

    8d1e1e7cd27e622352adac7723199fa5

  • SHA1

    d5cd4050414c5948e533f5fa51508bbe84bf92da

  • SHA256

    64589566ba7710238256693a590fbc5606d46284ae2f1786b082be730bc408cc

  • SHA512

    3116093e4860caaac189b6fd7da89eabb54b478d11f52b3a3cefbee7f9d43e3ffbff306e492f5c7605a12cc92be7fddcf414217e6a6fcad3f3f893855dfe7ba4

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\64589566ba7710238256693a590fbc5606d46284ae2f1786b082be730bc408cc.exe
    "C:\Users\Admin\AppData\Local\Temp\64589566ba7710238256693a590fbc5606d46284ae2f1786b082be730bc408cc.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Roaming\wowsfree\mopnns.exe
      mopnns.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1664

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/1664-128-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/1664-141-0x0000000007020000-0x0000000007021000-memory.dmp
    Filesize

    4KB

  • memory/1664-130-0x0000000004AA3000-0x0000000004AA4000-memory.dmp
    Filesize

    4KB

  • memory/1664-123-0x0000000000400000-0x00000000004BF000-memory.dmp
    Filesize

    764KB

  • memory/1664-122-0x00000000005C0000-0x000000000070A000-memory.dmp
    Filesize

    1.3MB

  • memory/1664-124-0x0000000004AB0000-0x0000000004ACF000-memory.dmp
    Filesize

    124KB

  • memory/1664-125-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
    Filesize

    4KB

  • memory/1664-126-0x0000000005030000-0x000000000504D000-memory.dmp
    Filesize

    116KB

  • memory/1664-127-0x0000000005050000-0x0000000005051000-memory.dmp
    Filesize

    4KB

  • memory/1664-131-0x00000000056F0000-0x00000000056F1000-memory.dmp
    Filesize

    4KB

  • memory/1664-140-0x0000000006FC0000-0x0000000006FC1000-memory.dmp
    Filesize

    4KB

  • memory/1664-118-0x0000000000000000-mapping.dmp
  • memory/1664-129-0x0000000004AA2000-0x0000000004AA3000-memory.dmp
    Filesize

    4KB

  • memory/1664-132-0x0000000005720000-0x0000000005721000-memory.dmp
    Filesize

    4KB

  • memory/1664-133-0x0000000005830000-0x0000000005831000-memory.dmp
    Filesize

    4KB

  • memory/1664-134-0x0000000004AA4000-0x0000000004AA6000-memory.dmp
    Filesize

    8KB

  • memory/1664-135-0x00000000058B0000-0x00000000058B1000-memory.dmp
    Filesize

    4KB

  • memory/1664-136-0x00000000064D0000-0x00000000064D1000-memory.dmp
    Filesize

    4KB

  • memory/1664-137-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/1664-138-0x0000000006CD0000-0x0000000006CD1000-memory.dmp
    Filesize

    4KB

  • memory/1664-139-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
    Filesize

    4KB

  • memory/2696-117-0x0000000000400000-0x0000000001719000-memory.dmp
    Filesize

    19.1MB

  • memory/2696-116-0x0000000003490000-0x000000000355F000-memory.dmp
    Filesize

    828KB