Analysis

  • max time kernel
    86s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2022, 21:51

General

  • Target

    31d4f47ad55bddd9a9d680e8615f465a.exe

  • Size

    238KB

  • MD5

    31d4f47ad55bddd9a9d680e8615f465a

  • SHA1

    2ca6292e79723d874b880ec74c436efebae1afd6

  • SHA256

    c3d0a98284cbbe82ad3614e2500a08f39ba3ceba167230e03cd94b3e7b3e1818

  • SHA512

    636ee400f51b1e0521d5c65355783cb426f9119b25ec3aaa684dab8ff0fd0e023ad2a71777147868d530396cc3be18051024e2fdc7985983ce0a492ecd2ad917

  • SSDEEP

    6144:4bk4+epSnUUzBjznD/9PQFeZp9p2mD0RbRP9npX:g4UUFHlQFsjDAn

Malware Config

Extracted

Family

redline

Botnet

Lyllkal.11.09

C2

185.215.113.216:21921

Attributes
  • auth_value

    993a169a4a695e30b763f440765b0926

Signatures

  • RedLine

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31d4f47ad55bddd9a9d680e8615f465a.exe
    "C:\Users\Admin\AppData\Local\Temp\31d4f47ad55bddd9a9d680e8615f465a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Local\Temp\31d4f47ad55bddd9a9d680e8615f465a.exe
      "C:\Users\Admin\AppData\Local\Temp\31d4f47ad55bddd9a9d680e8615f465a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4092

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\31d4f47ad55bddd9a9d680e8615f465a.exe.log

    Filesize

    42B

    MD5

    84cfdb4b995b1dbf543b26b86c863adc

    SHA1

    d2f47764908bf30036cf8248b9ff5541e2711fa2

    SHA256

    d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

    SHA512

    485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

  • memory/3460-132-0x00000000007A0000-0x00000000007DE000-memory.dmp

    Filesize

    248KB

  • memory/4092-140-0x00000000068B0000-0x0000000006E54000-memory.dmp

    Filesize

    5.6MB

  • memory/4092-141-0x0000000005C60000-0x0000000005CC6000-memory.dmp

    Filesize

    408KB

  • memory/4092-136-0x0000000005770000-0x0000000005782000-memory.dmp

    Filesize

    72KB

  • memory/4092-137-0x00000000058A0000-0x00000000059AA000-memory.dmp

    Filesize

    1.0MB

  • memory/4092-138-0x00000000057D0000-0x000000000580C000-memory.dmp

    Filesize

    240KB

  • memory/4092-139-0x0000000005BC0000-0x0000000005C52000-memory.dmp

    Filesize

    584KB

  • memory/4092-134-0x00000000011B0000-0x00000000011CC000-memory.dmp

    Filesize

    112KB

  • memory/4092-135-0x0000000005CE0000-0x00000000062F8000-memory.dmp

    Filesize

    6.1MB

  • memory/4092-142-0x0000000006790000-0x00000000067E0000-memory.dmp

    Filesize

    320KB

  • memory/4092-143-0x0000000006E60000-0x0000000006ED6000-memory.dmp

    Filesize

    472KB

  • memory/4092-144-0x00000000070B0000-0x0000000007272000-memory.dmp

    Filesize

    1.8MB

  • memory/4092-145-0x00000000077B0000-0x0000000007CDC000-memory.dmp

    Filesize

    5.2MB

  • memory/4092-146-0x0000000007040000-0x000000000705E000-memory.dmp

    Filesize

    120KB