Analysis

  • max time kernel
    122s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2023 20:16

General

  • Target

    8771e4a71d08e5d647aca2d9a4e78640.bin.exe

  • Size

    1.1MB

  • MD5

    8771e4a71d08e5d647aca2d9a4e78640

  • SHA1

    2149e01eed4f4d77cfac17c2921de59b1590ddde

  • SHA256

    3d0f9f89293300e70a0a0c37c5aab81be9ed97a7ec4a2f5a73e54767d4aed644

  • SHA512

    3b581ec531d386e5b9c1e35b26d50b7a4016128593cd8ba8c8fdc08ef0ffd255f0c6164e6c03e39a98695ee9861fe7d68db4664c659f2e330a49b14fd10d9c81

  • SSDEEP

    12288:JlMOEAlI3MzSSV93jHFoMqP8zBnx1FQEGFm4l2WViumw1uFR7r/mYQf3mV7eK8qy:JCYdSSXFtdx12PF9ltViIuFZmbPcuq

Malware Config

Extracted

Family

redline

Botnet

01

C2

167.235.133.96:43849

Attributes
  • auth_value

    a158e35a6caac69f2614dc12bb02fdf2

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\8771e4a71d08e5d647aca2d9a4e78640.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\8771e4a71d08e5d647aca2d9a4e78640.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\8771e4a71d08e5d647aca2d9a4e78640.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\8771e4a71d08e5d647aca2d9a4e78640.bin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2044

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8771e4a71d08e5d647aca2d9a4e78640.bin.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2044-149-0x0000000007A90000-0x0000000007C52000-memory.dmp
    Filesize

    1.8MB

  • memory/2044-148-0x0000000006120000-0x0000000006186000-memory.dmp
    Filesize

    408KB

  • memory/2044-143-0x0000000005A90000-0x00000000060A8000-memory.dmp
    Filesize

    6.1MB

  • memory/2044-144-0x0000000005610000-0x000000000571A000-memory.dmp
    Filesize

    1.0MB

  • memory/2044-152-0x0000000006F10000-0x0000000006F60000-memory.dmp
    Filesize

    320KB

  • memory/2044-151-0x0000000006E90000-0x0000000006F06000-memory.dmp
    Filesize

    472KB

  • memory/2044-140-0x0000000000400000-0x0000000000432000-memory.dmp
    Filesize

    200KB

  • memory/2044-150-0x0000000008190000-0x00000000086BC000-memory.dmp
    Filesize

    5.2MB

  • memory/2044-147-0x0000000005580000-0x0000000005590000-memory.dmp
    Filesize

    64KB

  • memory/2044-153-0x0000000005580000-0x0000000005590000-memory.dmp
    Filesize

    64KB

  • memory/2044-146-0x00000000055D0000-0x000000000560C000-memory.dmp
    Filesize

    240KB

  • memory/2044-145-0x0000000005540000-0x0000000005552000-memory.dmp
    Filesize

    72KB

  • memory/2688-136-0x0000000004C70000-0x0000000004C7A000-memory.dmp
    Filesize

    40KB

  • memory/2688-135-0x0000000004C90000-0x0000000004D22000-memory.dmp
    Filesize

    584KB

  • memory/2688-133-0x00000000002D0000-0x00000000003F8000-memory.dmp
    Filesize

    1.2MB

  • memory/2688-134-0x00000000051A0000-0x0000000005744000-memory.dmp
    Filesize

    5.6MB

  • memory/2688-139-0x0000000005C60000-0x0000000005CFC000-memory.dmp
    Filesize

    624KB

  • memory/2688-138-0x0000000004DF0000-0x0000000004E00000-memory.dmp
    Filesize

    64KB

  • memory/2688-137-0x0000000004DF0000-0x0000000004E00000-memory.dmp
    Filesize

    64KB