Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    06-05-2021 02:07

General

  • Target

    478C00F986B9F4FADD2D99446E0AFA85.exe

  • Size

    249KB

  • MD5

    478c00f986b9f4fadd2d99446e0afa85

  • SHA1

    e84287cefa84a22cd3602a1cdd9b3c3ddb1200b1

  • SHA256

    dfba271d38b544628e9838502da022212502c54172fb30194d0fc43036a2872e

  • SHA512

    30275a4e6e641506ae2b8db496f1a6980c2281d0bf84ef1c1d4e5eaa60ce0c4a4596e53c4650fdab6bca247407bce62ab5f890f97523d3bc20bb1b8b627ab221

Malware Config

Extracted

Family

redline

Botnet

8451463125

C2

49.12.13.16:55953

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • RedLine

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

  • RedLine Payload 1 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\478C00F986B9F4FADD2D99446E0AFA85.exe
    "C:\Users\Admin\AppData\Local\Temp\478C00F986B9F4FADD2D99446E0AFA85.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

1
T1112

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/1652-60-0x0000000000320000-0x0000000000321000-memory.dmp
    Filesize

    4KB

  • memory/1652-62-0x00000000047C0000-0x00000000047C1000-memory.dmp
    Filesize

    4KB

  • memory/1652-63-0x0000000000600000-0x0000000000634000-memory.dmp
    Filesize

    208KB

  • memory/1652-64-0x00000000002F0000-0x0000000000310000-memory.dmp
    Filesize

    128KB

  • memory/1652-70-0x0000000001E90000-0x0000000001EA6000-memory.dmp
    Filesize

    88KB

  • memory/1652-72-0x00000000047C5000-0x00000000047D6000-memory.dmp
    Filesize

    68KB