Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    06-05-2021 18:12

General

  • Target

    9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe

  • Size

    888KB

  • MD5

    57179b3e7c3f753a918ab68ec2ba5af4

  • SHA1

    aa542ee29b078b3ae446b2021dce6b5fc690accd

  • SHA256

    9a683ec03220d633a7cce5da8a6d7c9febe608eb45e572691e12600a2d6d58f0

  • SHA512

    c4f9bcde5cda179371432c96e132581edd2e0d9a550893d891a0d207533b87a245a75cc29c1cfb585d7e866f6bbe2dfa8d050a366d960b9205088af38b6907fd

Malware Config

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe
    "C:\Users\Admin\AppData\Local\Temp\9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Users\Admin\AppData\Local\Temp\9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe
      "C:\Users\Admin\AppData\Local\Temp\9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2420

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\9a683ec03220d633a7cce5da8a6d7c9febe608eb45e57.exe.log
    MD5

    369473b373bbe1d4e4e39acd93a4b60e

    SHA1

    83bb25fe9c06403efe1d62c780f54b2d40a2ef77

    SHA256

    31ab742ceb89fa8d584fa56816b0bfb971c4d90af87d56a3d072a2cf81fcd1fe

    SHA512

    38f1ecb9dcc53730c620e2d5e7f04ad237907ade39ecec48322991c28a7999c4c87b133c6261fd9656ead5b6a1509deca40de1982a1afdafec3628a01bfba647

  • memory/2420-132-0x0000000006350000-0x0000000006351000-memory.dmp
    Filesize

    4KB

  • memory/2420-130-0x0000000005480000-0x0000000005A86000-memory.dmp
    Filesize

    6.0MB

  • memory/2420-126-0x0000000005A90000-0x0000000005A91000-memory.dmp
    Filesize

    4KB

  • memory/2420-127-0x00000000054C0000-0x00000000054C1000-memory.dmp
    Filesize

    4KB

  • memory/2420-136-0x0000000007010000-0x0000000007011000-memory.dmp
    Filesize

    4KB

  • memory/2420-135-0x00000000077C0000-0x00000000077C1000-memory.dmp
    Filesize

    4KB

  • memory/2420-122-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/2420-123-0x00000000004163C2-mapping.dmp
  • memory/2420-134-0x00000000070C0000-0x00000000070C1000-memory.dmp
    Filesize

    4KB

  • memory/2420-131-0x0000000005850000-0x0000000005851000-memory.dmp
    Filesize

    4KB

  • memory/2420-129-0x0000000005560000-0x0000000005561000-memory.dmp
    Filesize

    4KB

  • memory/2420-128-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/4036-121-0x00000000058A0000-0x0000000005D9E000-memory.dmp
    Filesize

    5.0MB

  • memory/4036-116-0x0000000005DA0000-0x0000000005DA1000-memory.dmp
    Filesize

    4KB

  • memory/4036-114-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB

  • memory/4036-118-0x00000000058A0000-0x00000000058A1000-memory.dmp
    Filesize

    4KB

  • memory/4036-117-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/4036-120-0x0000000005870000-0x0000000005871000-memory.dmp
    Filesize

    4KB

  • memory/4036-119-0x0000000005760000-0x0000000005780000-memory.dmp
    Filesize

    128KB