Analysis

  • max time kernel
    31s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-08-2021 17:04

General

  • Target

    3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe

  • Size

    585KB

  • MD5

    f0bff275d0a34d7cbe7b114a80884efc

  • SHA1

    4fa96b7e91b6820351a869e2d009a80cba26759e

  • SHA256

    3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622

  • SHA512

    c386585831fe3cb902e794003e1b43afd3645b4717a6782905272d561571bf663ef30daa66b25f2a92f874fe01b3580ed00a11b91588514ee597d468f5f4c49e

Malware Config

Extracted

Family

redline

Botnet

dibild2

C2

135.148.139.222:1494

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe
    "C:\Users\Admin\AppData\Local\Temp\3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:644
    • C:\Users\Admin\AppData\Local\Temp\3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe
      C:\Users\Admin\AppData\Local\Temp\3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2604

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\3ab3dcbfc91a93907310d08a68b7f9ef028b6d7fdc33606e84c1aef4f8f49622.exe.log
    MD5

    41fbed686f5700fc29aaccf83e8ba7fd

    SHA1

    5271bc29538f11e42a3b600c8dc727186e912456

    SHA256

    df4e9d012687cdabd15e86bf37be15d6c822e1f50dde530a02468f0006586437

    SHA512

    234b2235c1ced25810a4121c5eabcbf9f269e82c126a1adc363ee34478173f8b462e90eb53f5f11533641663350b90ec1e2360fd805b10c041fab12f4da7a034

  • memory/644-114-0x0000000000740000-0x0000000000741000-memory.dmp
    Filesize

    4KB

  • memory/644-116-0x0000000005140000-0x0000000005141000-memory.dmp
    Filesize

    4KB

  • memory/644-117-0x0000000002B90000-0x0000000002B91000-memory.dmp
    Filesize

    4KB

  • memory/644-118-0x0000000005320000-0x0000000005321000-memory.dmp
    Filesize

    4KB

  • memory/644-119-0x0000000005830000-0x0000000005831000-memory.dmp
    Filesize

    4KB

  • memory/2604-125-0x0000000004F10000-0x0000000004F11000-memory.dmp
    Filesize

    4KB

  • memory/2604-124-0x0000000005500000-0x0000000005501000-memory.dmp
    Filesize

    4KB

  • memory/2604-121-0x000000000041A616-mapping.dmp
  • memory/2604-126-0x0000000005040000-0x0000000005041000-memory.dmp
    Filesize

    4KB

  • memory/2604-127-0x0000000004F70000-0x0000000004F71000-memory.dmp
    Filesize

    4KB

  • memory/2604-128-0x0000000004EF0000-0x00000000054F6000-memory.dmp
    Filesize

    6.0MB

  • memory/2604-129-0x0000000004FB0000-0x0000000004FB1000-memory.dmp
    Filesize

    4KB

  • memory/2604-130-0x0000000006990000-0x0000000006991000-memory.dmp
    Filesize

    4KB

  • memory/2604-131-0x0000000007090000-0x0000000007091000-memory.dmp
    Filesize

    4KB

  • memory/2604-134-0x0000000006C00000-0x0000000006C01000-memory.dmp
    Filesize

    4KB

  • memory/2604-136-0x0000000007010000-0x0000000007011000-memory.dmp
    Filesize

    4KB

  • memory/2604-120-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB