Analysis

  • max time kernel
    47s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:35

General

  • Target

    096eb357e1d8c5141282b72929ae77e9.exe

  • Size

    666KB

  • MD5

    096eb357e1d8c5141282b72929ae77e9

  • SHA1

    1eff9fa176bf1744c56f996442755221e3147427

  • SHA256

    f3f7fa2e6ad4bfa9c3ab22fbe8056d8d1d9cb8a2c0221dd094892027ce1fed4e

  • SHA512

    445985159f5d9a553c2591572f56faafdc1509b73a6e309d5ac58888eacabbf6633237771aacf16c4bb1d5bf06b8d11c7aa9324d09f74a3a9a69050391a651ae

  • SSDEEP

    6144:81KMo5oZQj/nnj6dWwsoyyQU/R8MqOwz14094BMDq+W9EE:87ij/nnch3yOjc1F94eiEE

Malware Config

Extracted

Family

redline

Botnet

Lyla4.22.11

C2

185.215.113.216:21921

Attributes
  • auth_value

    f7fecd92e1cc04a774215731b3bf2e9a

Signatures

  • RedLine

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\096eb357e1d8c5141282b72929ae77e9.exe
    "C:\Users\Admin\AppData\Local\Temp\096eb357e1d8c5141282b72929ae77e9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\Temp\Lyla42211.exe
      "C:\Windows\Temp\Lyla42211.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Temp\Lyla42211.exe

    Filesize

    200KB

    MD5

    396be02b5a8968f891420ecaf7831bcc

    SHA1

    27417d7d14690697ecaa8fb1ff51da860492946e

    SHA256

    2b20128923b2d4372e4f5c6a4803fef3fe26cd666e82598133d39088530b5e7f

    SHA512

    48314fd91396611f17440336d297f9aa9d7a6ffb2855100e3d91e3c656ed0dcc926c57e7f3929ea00e38d852c59641edb360713225273f9ba9250c1c7c5028d0

  • C:\Windows\Temp\Lyla42211.exe

    Filesize

    200KB

    MD5

    396be02b5a8968f891420ecaf7831bcc

    SHA1

    27417d7d14690697ecaa8fb1ff51da860492946e

    SHA256

    2b20128923b2d4372e4f5c6a4803fef3fe26cd666e82598133d39088530b5e7f

    SHA512

    48314fd91396611f17440336d297f9aa9d7a6ffb2855100e3d91e3c656ed0dcc926c57e7f3929ea00e38d852c59641edb360713225273f9ba9250c1c7c5028d0

  • \Windows\Temp\Lyla42211.exe

    Filesize

    200KB

    MD5

    396be02b5a8968f891420ecaf7831bcc

    SHA1

    27417d7d14690697ecaa8fb1ff51da860492946e

    SHA256

    2b20128923b2d4372e4f5c6a4803fef3fe26cd666e82598133d39088530b5e7f

    SHA512

    48314fd91396611f17440336d297f9aa9d7a6ffb2855100e3d91e3c656ed0dcc926c57e7f3929ea00e38d852c59641edb360713225273f9ba9250c1c7c5028d0

  • memory/764-58-0x0000000000000000-mapping.dmp

  • memory/764-61-0x0000000001210000-0x0000000001246000-memory.dmp

    Filesize

    216KB

  • memory/1288-54-0x00000000008E0000-0x000000000098C000-memory.dmp

    Filesize

    688KB

  • memory/1288-55-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

    Filesize

    8KB

  • memory/1288-56-0x0000000000670000-0x00000000006AA000-memory.dmp

    Filesize

    232KB