Analysis

  • max time kernel
    216s
  • max time network
    1566s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    22-10-2021 14:38

General

  • Target

    Fri05a277b9a3d2.exe

  • Size

    383KB

  • MD5

    8958066e38eb4b70f922db2c23457c18

  • SHA1

    27aff4aed5d4c782e9170ba124a3a1f90d979e6a

  • SHA256

    3f3a020f63daef5ffa7c2eb9014452dfa913cc6ff977e5747e6f0c854d849358

  • SHA512

    c2b73802a4b3350290d40bf2aa3942d92239eea4f69ab13fcce84090093e13d7950e3c32d565880a9ec74b8898cb82bb63e04a53505d9ef5f3aea812f8a68236

Malware Config

Extracted

Family

redline

Botnet

media21

C2

91.121.67.60:23325

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
    "C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      C:\Users\Admin\AppData\Local\Temp\Fri05a277b9a3d2.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3396

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\Fri05a277b9a3d2.exe.log
    MD5

    e07da89fc7e325db9d25e845e27027a8

    SHA1

    4b6a03bcdb46f325984cbbb6302ff79f33637e19

    SHA256

    94ab73c00494d10a2159175b81e23047621451e3a566e5a0b1222379db634aaf

    SHA512

    1e33e34595ebb6ce129d0244199d29722c916c036da542c3001f84b10a964b96cec7a9fdd19e120d7840614b307b504be993a4f8538d54382aa4944575476dda

  • memory/728-148-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB

  • memory/728-149-0x0000000004C60000-0x0000000004C61000-memory.dmp
    Filesize

    4KB

  • memory/728-150-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
    Filesize

    4KB

  • memory/728-151-0x0000000005480000-0x0000000005481000-memory.dmp
    Filesize

    4KB

  • memory/728-146-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/3396-159-0x00000000054F0000-0x00000000054F1000-memory.dmp
    Filesize

    4KB

  • memory/3396-162-0x0000000005370000-0x0000000005988000-memory.dmp
    Filesize

    6.1MB

  • memory/3396-157-0x0000000005990000-0x0000000005991000-memory.dmp
    Filesize

    4KB

  • memory/3396-158-0x00000000053C0000-0x00000000053C1000-memory.dmp
    Filesize

    4KB

  • memory/3396-152-0x0000000000000000-mapping.dmp
  • memory/3396-160-0x0000000005600000-0x0000000005601000-memory.dmp
    Filesize

    4KB

  • memory/3396-161-0x0000000005420000-0x0000000005421000-memory.dmp
    Filesize

    4KB

  • memory/3396-153-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/3396-163-0x0000000006240000-0x0000000006241000-memory.dmp
    Filesize

    4KB

  • memory/3396-164-0x0000000005700000-0x0000000005701000-memory.dmp
    Filesize

    4KB

  • memory/3396-165-0x0000000005770000-0x0000000005771000-memory.dmp
    Filesize

    4KB

  • memory/3396-166-0x0000000006020000-0x0000000006021000-memory.dmp
    Filesize

    4KB

  • memory/3396-168-0x0000000006970000-0x0000000006971000-memory.dmp
    Filesize

    4KB

  • memory/3396-171-0x0000000007570000-0x0000000007571000-memory.dmp
    Filesize

    4KB

  • memory/3396-172-0x0000000007C70000-0x0000000007C71000-memory.dmp
    Filesize

    4KB

  • memory/3396-173-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
    Filesize

    4KB