Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2022 16:47

General

  • Target

    57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe

  • Size

    558KB

  • MD5

    3bc4a437c6e3c3866b4f408dbeefccae

  • SHA1

    3cae70db5b6fa2cd9814cf1d31cf667ea65de042

  • SHA256

    57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b

  • SHA512

    312c22fbeb7d1f608290964251be67ffe65f62d78132e33e0a43c23314a61ee14aeafc9ebb68a6ef83a067895b4a968dd4763c88f0cdf828755578d3b25ec25b

Malware Config

Extracted

Family

redline

Botnet

top1

C2

pemararslava.xyz:80

Attributes
  • auth_value

    e3ff30d1ffe0ffdb11211b351a0179a1

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\57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe
    "C:\Users\Admin\AppData\Local\Temp\57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Users\Admin\AppData\Local\Temp\57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe
      "C:\Users\Admin\AppData\Local\Temp\57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4736

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\57ffe96e45e02371ad1176157875182e1d4580a656ba9d74da3e96d34ea0833b.exe.log
    Filesize

    42B

    MD5

    84cfdb4b995b1dbf543b26b86c863adc

    SHA1

    d2f47764908bf30036cf8248b9ff5541e2711fa2

    SHA256

    d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

    SHA512

    485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

  • memory/1068-132-0x0000000000B90000-0x0000000000C37000-memory.dmp
    Filesize

    668KB

  • memory/4736-138-0x00000000055F0000-0x00000000056FA000-memory.dmp
    Filesize

    1.0MB

  • memory/4736-134-0x0000000000B50000-0x0000000000B6E000-memory.dmp
    Filesize

    120KB

  • memory/4736-136-0x0000000005A50000-0x0000000006068000-memory.dmp
    Filesize

    6.1MB

  • memory/4736-137-0x00000000054C0000-0x00000000054D2000-memory.dmp
    Filesize

    72KB

  • memory/4736-133-0x0000000000000000-mapping.dmp
  • memory/4736-139-0x0000000005520000-0x000000000555C000-memory.dmp
    Filesize

    240KB

  • memory/4736-140-0x0000000006AC0000-0x0000000006B26000-memory.dmp
    Filesize

    408KB

  • memory/4736-141-0x0000000006CC0000-0x0000000006D36000-memory.dmp
    Filesize

    472KB

  • memory/4736-142-0x0000000006DE0000-0x0000000006E72000-memory.dmp
    Filesize

    584KB

  • memory/4736-143-0x0000000007430000-0x00000000079D4000-memory.dmp
    Filesize

    5.6MB

  • memory/4736-144-0x0000000006EE0000-0x0000000006EFE000-memory.dmp
    Filesize

    120KB

  • memory/4736-145-0x00000000079E0000-0x0000000007BA2000-memory.dmp
    Filesize

    1.8MB

  • memory/4736-146-0x00000000080E0000-0x000000000860C000-memory.dmp
    Filesize

    5.2MB