Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    14-09-2021 19:46

General

  • Target

    installer.exe

  • Size

    598KB

  • MD5

    239394fafc18ebb639f8fad447bdb0af

  • SHA1

    e4ffb14ea1ad842d144bf829cbcfa27461ba8981

  • SHA256

    9cb48f855afbd1e83c9ba2060592b4da0a8cf3a57f5a37fcf5aa27effcc878a4

  • SHA512

    b2da692e0dafd618c8f4301aa7f6e5903663931345211b688599de7641cdd883fffc691cb744720281a033fdd33f36c187d72328b1b0296491dbe4516aa0bc15

Malware Config

Extracted

Family

redline

Botnet

H

C2

185.180.231.69:2796

Signatures

  • RedLine

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

  • RedLine Payload 2 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\installer.exe
    "C:\Users\Admin\AppData\Local\Temp\installer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\installer.exe
      "C:\Users\Admin\AppData\Local\Temp\installer.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 900 -s 924
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1660

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/792-132-0x0000000007F60000-0x0000000007F61000-memory.dmp
    Filesize

    4KB

  • memory/792-133-0x0000000008D30000-0x0000000008D31000-memory.dmp
    Filesize

    4KB

  • memory/792-126-0x0000000006800000-0x0000000006801000-memory.dmp
    Filesize

    4KB

  • memory/792-129-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
    Filesize

    4KB

  • memory/792-128-0x0000000005990000-0x0000000005991000-memory.dmp
    Filesize

    4KB

  • memory/792-137-0x0000000009100000-0x0000000009101000-memory.dmp
    Filesize

    4KB

  • memory/792-120-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

  • memory/792-121-0x000000000041C636-mapping.dmp
  • memory/792-136-0x0000000008CA0000-0x0000000008CA1000-memory.dmp
    Filesize

    4KB

  • memory/792-123-0x0000000000400000-0x0000000000401000-memory.dmp
    Filesize

    4KB

  • memory/792-135-0x0000000008BE0000-0x0000000008BE1000-memory.dmp
    Filesize

    4KB

  • memory/792-134-0x0000000009430000-0x0000000009431000-memory.dmp
    Filesize

    4KB

  • memory/792-131-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

  • memory/792-130-0x00000000057F0000-0x0000000005CEE000-memory.dmp
    Filesize

    5.0MB

  • memory/900-117-0x00000000059B0000-0x00000000059B1000-memory.dmp
    Filesize

    4KB

  • memory/900-114-0x0000000000F90000-0x0000000000F91000-memory.dmp
    Filesize

    4KB

  • memory/900-115-0x0000000005D70000-0x0000000005D71000-memory.dmp
    Filesize

    4KB

  • memory/900-118-0x0000000005870000-0x00000000058AA000-memory.dmp
    Filesize

    232KB

  • memory/900-116-0x0000000005910000-0x0000000005911000-memory.dmp
    Filesize

    4KB

  • memory/900-122-0x00000000058E0000-0x00000000058E3000-memory.dmp
    Filesize

    12KB

  • memory/900-119-0x0000000005870000-0x0000000005D6E000-memory.dmp
    Filesize

    5.0MB