Analysis

  • max time kernel
    141s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    01-10-2021 06:02

General

  • Target

    1330be0f9459506cfd3d972082f3cb0e.exe

  • Size

    1.3MB

  • MD5

    1330be0f9459506cfd3d972082f3cb0e

  • SHA1

    116815a43e5d9c6ae9dc998e93948e274209711a

  • SHA256

    c0da5841ddfc29dc9eea7d8d9e42d981385602f21025ec47798d302c3ef50096

  • SHA512

    0d865e09ca6ab65f617ad43d7badfbd80db79354e73178555ea2a37d9a51f40db94f7ff3c791b00da8ff84c91397a761d03b06ddac787f162b8edc23eabda1bc

Malware Config

Extracted

Family

redline

Botnet

new1

C2

185.180.220.105:11915

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1330be0f9459506cfd3d972082f3cb0e.exe
    "C:\Users\Admin\AppData\Local\Temp\1330be0f9459506cfd3d972082f3cb0e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:752
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1692
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\IMG00213.jpg
    MD5

    99e797779c2e243187de9d98ab687481

    SHA1

    a44456a0f4ca3e3cc13c2744853416073ce24a0f

    SHA256

    d80f7f0dbdc51723329e7f720176f2972edc2ed25d58b979063269db2ac592cc

    SHA512

    bf33780551cd03e623d3f73c1279e569a541f4057f3eeb6ab0a3060eb4f3aa0bb4ee7d9474eb2dd0ae5349b303016daab1f82e6e9b2bac4d0c172e0e5aa49d9d

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
    MD5

    4da64a00d7ff89c04d675f50c32ee458

    SHA1

    505f39f4039bf5cba0009ea7b7d856f57d31a592

    SHA256

    610c668380bad93964320bea5957b4c08861e277abc78230a770ad45194905b3

    SHA512

    d38b6c1aea8763bdfc4e5cbaab8d65a74cf3bdf4d4230efc7005416a58f83742df46b213b91a83967aeb6d9dfccaa038adbf6001569e520b26373fa8f00ab9f4

  • \Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
    MD5

    4da64a00d7ff89c04d675f50c32ee458

    SHA1

    505f39f4039bf5cba0009ea7b7d856f57d31a592

    SHA256

    610c668380bad93964320bea5957b4c08861e277abc78230a770ad45194905b3

    SHA512

    d38b6c1aea8763bdfc4e5cbaab8d65a74cf3bdf4d4230efc7005416a58f83742df46b213b91a83967aeb6d9dfccaa038adbf6001569e520b26373fa8f00ab9f4

  • \Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
    MD5

    4da64a00d7ff89c04d675f50c32ee458

    SHA1

    505f39f4039bf5cba0009ea7b7d856f57d31a592

    SHA256

    610c668380bad93964320bea5957b4c08861e277abc78230a770ad45194905b3

    SHA512

    d38b6c1aea8763bdfc4e5cbaab8d65a74cf3bdf4d4230efc7005416a58f83742df46b213b91a83967aeb6d9dfccaa038adbf6001569e520b26373fa8f00ab9f4

  • \Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
    MD5

    4da64a00d7ff89c04d675f50c32ee458

    SHA1

    505f39f4039bf5cba0009ea7b7d856f57d31a592

    SHA256

    610c668380bad93964320bea5957b4c08861e277abc78230a770ad45194905b3

    SHA512

    d38b6c1aea8763bdfc4e5cbaab8d65a74cf3bdf4d4230efc7005416a58f83742df46b213b91a83967aeb6d9dfccaa038adbf6001569e520b26373fa8f00ab9f4

  • \Users\Admin\AppData\Local\Temp\RarSFX0\foto.exe
    MD5

    4da64a00d7ff89c04d675f50c32ee458

    SHA1

    505f39f4039bf5cba0009ea7b7d856f57d31a592

    SHA256

    610c668380bad93964320bea5957b4c08861e277abc78230a770ad45194905b3

    SHA512

    d38b6c1aea8763bdfc4e5cbaab8d65a74cf3bdf4d4230efc7005416a58f83742df46b213b91a83967aeb6d9dfccaa038adbf6001569e520b26373fa8f00ab9f4

  • memory/752-62-0x0000000000A70000-0x0000000000A72000-memory.dmp
    Filesize

    8KB

  • memory/752-60-0x0000000075451000-0x0000000075453000-memory.dmp
    Filesize

    8KB

  • memory/1036-63-0x00000000004F0000-0x00000000004F2000-memory.dmp
    Filesize

    8KB

  • memory/1036-70-0x00000000006D0000-0x00000000006D1000-memory.dmp
    Filesize

    4KB

  • memory/1692-79-0x0000000000400000-0x0000000000456000-memory.dmp
    Filesize

    344KB

  • memory/1692-72-0x0000000000400000-0x0000000000456000-memory.dmp
    Filesize

    344KB

  • memory/1692-77-0x000000000041C5F2-mapping.dmp
  • memory/1692-78-0x0000000000400000-0x0000000000456000-memory.dmp
    Filesize

    344KB

  • memory/1692-80-0x0000000000400000-0x0000000000401000-memory.dmp
    Filesize

    4KB

  • memory/1692-82-0x0000000000650000-0x0000000000651000-memory.dmp
    Filesize

    4KB

  • memory/1824-68-0x0000000000000000-mapping.dmp