Analysis

  • max time kernel
    21s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 16:14

General

  • Target

    fab18787863297968fe1c105420d8465.exe

  • Size

    692KB

  • MD5

    fab18787863297968fe1c105420d8465

  • SHA1

    f1069e7432ba125ee7c4eb67064b817134095ab9

  • SHA256

    04a7438ab8d6f9429c0ae2856093431cbcc974f753862d726caa0d4bc8eef916

  • SHA512

    b4c9b8a0e151807064b0fc9da9f35a50e78d8e47a94d96870f1c2a6c85e1077cc30ad827256f4a89df4901b3bab805dd0998795a0282010f101550d2323436bf

Malware Config

Extracted

Family

redline

Botnet

MIX 27.07

C2

185.215.113.17:18597

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fab18787863297968fe1c105420d8465.exe
    "C:\Users\Admin\AppData\Local\Temp\fab18787863297968fe1c105420d8465.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
      apineshpp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
    MD5

    cc904eb37f5b7045892d29350c8022ce

    SHA1

    91a718ea5544056e870ff49e7759d1b3b5818cea

    SHA256

    8e41b7dbc4efb96ccd077635859088866c629a1f131364bb64de2bf72b852723

    SHA512

    16e64de75fd6bb4d908a1208f17fb47fc94c86b6ac3f207cb3a52af9486f65a50237dfc3984851997fc9d752cf5715fb541d8821bff74ed0f3113c8b5276bf72

  • \Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
    MD5

    cc904eb37f5b7045892d29350c8022ce

    SHA1

    91a718ea5544056e870ff49e7759d1b3b5818cea

    SHA256

    8e41b7dbc4efb96ccd077635859088866c629a1f131364bb64de2bf72b852723

    SHA512

    16e64de75fd6bb4d908a1208f17fb47fc94c86b6ac3f207cb3a52af9486f65a50237dfc3984851997fc9d752cf5715fb541d8821bff74ed0f3113c8b5276bf72

  • \Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
    MD5

    cc904eb37f5b7045892d29350c8022ce

    SHA1

    91a718ea5544056e870ff49e7759d1b3b5818cea

    SHA256

    8e41b7dbc4efb96ccd077635859088866c629a1f131364bb64de2bf72b852723

    SHA512

    16e64de75fd6bb4d908a1208f17fb47fc94c86b6ac3f207cb3a52af9486f65a50237dfc3984851997fc9d752cf5715fb541d8821bff74ed0f3113c8b5276bf72

  • memory/1208-61-0x0000000001C50000-0x0000000001D1C000-memory.dmp
    Filesize

    816KB

  • memory/1208-60-0x0000000076281000-0x0000000076283000-memory.dmp
    Filesize

    8KB

  • memory/1208-62-0x0000000000400000-0x00000000004D4000-memory.dmp
    Filesize

    848KB

  • memory/1652-69-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1652-67-0x0000000001D10000-0x0000000001D2B000-memory.dmp
    Filesize

    108KB

  • memory/1652-65-0x0000000000000000-mapping.dmp
  • memory/1652-71-0x0000000004992000-0x0000000004993000-memory.dmp
    Filesize

    4KB

  • memory/1652-72-0x0000000004993000-0x0000000004994000-memory.dmp
    Filesize

    4KB

  • memory/1652-70-0x0000000004991000-0x0000000004992000-memory.dmp
    Filesize

    4KB

  • memory/1652-68-0x00000000001C0000-0x00000000001EF000-memory.dmp
    Filesize

    188KB

  • memory/1652-73-0x00000000020A0000-0x00000000020BA000-memory.dmp
    Filesize

    104KB

  • memory/1652-74-0x0000000004994000-0x0000000004996000-memory.dmp
    Filesize

    8KB