Analysis

  • max time kernel
    50s
  • max time network
    90s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 13:21

General

  • Target

    ad54fbfa5cd265112f67ea1b4d2e95a7.exe

  • Size

    739KB

  • MD5

    ad54fbfa5cd265112f67ea1b4d2e95a7

  • SHA1

    b92e996cffa1ad3b6e6a0c439f1bf21c72ccce51

  • SHA256

    57430cbbfebdef7c54698b00102dbd2098aef53ba4bd5fa43660c2e306f53482

  • SHA512

    d4a4fc1b25f2f51f5ce6d40dc7277ee51af5004630449595348406663892ed4f2849bd3417b3e484ff409263083833a8c2c00d6758549bd92a901956a48afaf6

Malware Config

Extracted

Family

redline

Botnet

@MrHaluyepp

C2

185.80.234.77:17105

Signatures

  • RedLine

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

  • RedLine Payload 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad54fbfa5cd265112f67ea1b4d2e95a7.exe
    "C:\Users\Admin\AppData\Local\Temp\ad54fbfa5cd265112f67ea1b4d2e95a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\ad54fbfa5cd265112f67ea1b4d2e95a7.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1844
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:632

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

  • memory/632-71-0x0000000000000000-mapping.dmp
  • memory/632-72-0x0000000000720000-0x0000000000721000-memory.dmp
    Filesize

    4KB

  • memory/772-66-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/772-67-0x0000000000418896-mapping.dmp
  • memory/772-68-0x0000000000400000-0x0000000000422000-memory.dmp
    Filesize

    136KB

  • memory/772-70-0x0000000004B10000-0x0000000004B11000-memory.dmp
    Filesize

    4KB

  • memory/1104-60-0x00000000011A0000-0x00000000011A1000-memory.dmp
    Filesize

    4KB

  • memory/1104-62-0x0000000004D40000-0x0000000004D41000-memory.dmp
    Filesize

    4KB

  • memory/1104-63-0x0000000000240000-0x0000000000242000-memory.dmp
    Filesize

    8KB

  • memory/1104-64-0x0000000008040000-0x00000000080B3000-memory.dmp
    Filesize

    460KB

  • memory/1104-65-0x00000000005F0000-0x000000000061A000-memory.dmp
    Filesize

    168KB