Analysis

  • max time kernel
    132s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2022 05:56

General

  • Target

    tmp.exe

  • Size

    139KB

  • MD5

    03aa45b7c20bcddac8ae49cf4ca737c8

  • SHA1

    e7eea8b0987a1b9cd5703debbd016d7efed8bf0a

  • SHA256

    71200e09252115d52bb62c8810413bccebe56e58ba070347c7b5d827396a6d44

  • SHA512

    420c71eabbdd191c1719233a48bd4d68a73ace463ceeb600223ade9daa6f8cecf0b88a38b32286ff9f10f26a237c411d5ddce4ee8391740e2da5a5f9bb06cadd

  • SSDEEP

    3072:1WUvJDDILZfE0+3tONQEyPqX94MF3zqjz5/9999999999999999999999999999Y:TDDWm3QNLX9fF3uf57k

Malware Config

Extracted

Family

redline

Botnet

vjames1

C2

142.132.164.118:28463

Attributes
  • auth_value

    33ac351077c983bff92335a288c764e5

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Local\Temp\v0.7b_ali_windows_64.exe
        "C:\Users\Admin\AppData\Local\Temp\v0.7b_ali_windows_64.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell "" "Get-WmiObject Win32_PortConnector"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:364

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\v0.7b_ali_windows_64.exe
    Filesize

    4.0MB

    MD5

    4ba91c645249942675ff77dfbe3e86fb

    SHA1

    d9e737ed08b6c20141f567cc4ccfa174f3a9fd3a

    SHA256

    92f46705d7261c8ca8c67498ad264c95552ec047eae061543dd51c9bdab7de27

    SHA512

    b283c62678360fdd910659016b7a8d4a01f635cea1412dc272afb492775b7e86c17a2414b4c634677d2825bed8dcb47219ce25eaeed152a944c9bcacfc709c27

  • C:\Users\Admin\AppData\Local\Temp\v0.7b_ali_windows_64.exe
    Filesize

    4.0MB

    MD5

    4ba91c645249942675ff77dfbe3e86fb

    SHA1

    d9e737ed08b6c20141f567cc4ccfa174f3a9fd3a

    SHA256

    92f46705d7261c8ca8c67498ad264c95552ec047eae061543dd51c9bdab7de27

    SHA512

    b283c62678360fdd910659016b7a8d4a01f635cea1412dc272afb492775b7e86c17a2414b4c634677d2825bed8dcb47219ce25eaeed152a944c9bcacfc709c27

  • memory/364-154-0x00007FF883850000-0x00007FF884311000-memory.dmp
    Filesize

    10.8MB

  • memory/364-153-0x000001C444260000-0x000001C444282000-memory.dmp
    Filesize

    136KB

  • memory/364-152-0x0000000000000000-mapping.dmp
  • memory/2040-155-0x0000000000370000-0x0000000001184000-memory.dmp
    Filesize

    14.1MB

  • memory/2040-151-0x0000000000370000-0x0000000001184000-memory.dmp
    Filesize

    14.1MB

  • memory/2040-150-0x0000000000370000-0x0000000001184000-memory.dmp
    Filesize

    14.1MB

  • memory/2040-147-0x0000000000000000-mapping.dmp
  • memory/4860-133-0x00000000055D0000-0x0000000005636000-memory.dmp
    Filesize

    408KB

  • memory/4860-132-0x0000000000C70000-0x0000000000C9A000-memory.dmp
    Filesize

    168KB

  • memory/4908-138-0x0000000005260000-0x000000000536A000-memory.dmp
    Filesize

    1.0MB

  • memory/4908-144-0x0000000006E50000-0x0000000006EA0000-memory.dmp
    Filesize

    320KB

  • memory/4908-145-0x00000000086C0000-0x0000000008882000-memory.dmp
    Filesize

    1.8MB

  • memory/4908-146-0x0000000008DC0000-0x00000000092EC000-memory.dmp
    Filesize

    5.2MB

  • memory/4908-143-0x0000000006240000-0x000000000625E000-memory.dmp
    Filesize

    120KB

  • memory/4908-142-0x0000000006140000-0x00000000061B6000-memory.dmp
    Filesize

    472KB

  • memory/4908-141-0x00000000060A0000-0x0000000006132000-memory.dmp
    Filesize

    584KB

  • memory/4908-140-0x0000000006560000-0x0000000006B04000-memory.dmp
    Filesize

    5.6MB

  • memory/4908-139-0x00000000051C0000-0x00000000051FC000-memory.dmp
    Filesize

    240KB

  • memory/4908-137-0x0000000005130000-0x0000000005142000-memory.dmp
    Filesize

    72KB

  • memory/4908-136-0x0000000005690000-0x0000000005CA8000-memory.dmp
    Filesize

    6.1MB

  • memory/4908-135-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/4908-134-0x0000000000000000-mapping.dmp