Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-11-2021 08:48

General

  • Target

    1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe

  • Size

    435KB

  • MD5

    e12209fce0519090586f1632f675df56

  • SHA1

    7614e266c04bafca3c5d0eefb46f60fd6901ba1a

  • SHA256

    1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530

  • SHA512

    1fcd7c793ca40818dcf38806b6b8e612840261d8e77de8b1fc2f49cf4d0d49a2b0331c3058fbae3f8be65c04f04f1149c34872075cc2c8bce1481801cc176503

Malware Config

Extracted

Family

redline

Botnet

1823930346

C2

185.92.74.63:10829

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
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe
    "C:\Users\Admin\AppData\Local\Temp\1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\AppData\Local\Temp\1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe
      C:\Users\Admin\AppData\Local\Temp\1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3832

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\1fe945f3bec81b904912a702ca72a674a01374471653f4faebf61ce326145530.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • memory/2788-115-0x0000000000110000-0x0000000000111000-memory.dmp
    Filesize

    4KB

  • memory/2788-117-0x0000000004940000-0x0000000004941000-memory.dmp
    Filesize

    4KB

  • memory/2788-118-0x00000000048F0000-0x00000000048F1000-memory.dmp
    Filesize

    4KB

  • memory/2788-119-0x0000000004B10000-0x0000000004B11000-memory.dmp
    Filesize

    4KB

  • memory/2788-120-0x0000000005020000-0x0000000005021000-memory.dmp
    Filesize

    4KB

  • memory/3832-126-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
    Filesize

    4KB

  • memory/3832-125-0x0000000005550000-0x0000000005551000-memory.dmp
    Filesize

    4KB

  • memory/3832-122-0x0000000000418F2A-mapping.dmp
  • memory/3832-127-0x00000000050F0000-0x00000000050F1000-memory.dmp
    Filesize

    4KB

  • memory/3832-128-0x0000000004F40000-0x0000000005546000-memory.dmp
    Filesize

    6.0MB

  • memory/3832-129-0x0000000005030000-0x0000000005031000-memory.dmp
    Filesize

    4KB

  • memory/3832-130-0x00000000070B0000-0x00000000070B1000-memory.dmp
    Filesize

    4KB

  • memory/3832-132-0x0000000007340000-0x0000000007341000-memory.dmp
    Filesize

    4KB

  • memory/3832-134-0x0000000007E70000-0x0000000007E71000-memory.dmp
    Filesize

    4KB

  • memory/3832-136-0x0000000007F60000-0x0000000007F61000-memory.dmp
    Filesize

    4KB

  • memory/3832-137-0x0000000008C00000-0x0000000008C01000-memory.dmp
    Filesize

    4KB

  • memory/3832-138-0x0000000009300000-0x0000000009301000-memory.dmp
    Filesize

    4KB

  • memory/3832-121-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB