Analysis

  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-07-2021 15:32

General

  • Target

    26808e9fe7def427eea65c3f4b1c7838.exe

  • Size

    692KB

  • MD5

    26808e9fe7def427eea65c3f4b1c7838

  • SHA1

    36b67b700b9c6c84851ee50211e8a3f714ff8412

  • SHA256

    b0c5d41fc112355182211c211ca210868a68c18f199bb7e4cf115650531d19a8

  • SHA512

    c383fa5ba083dc5ec711c2c082f17c68404e695c412521deb2093b88342ab39f7ccd4a1c10b10483272287c0d57aeb862312e94d320064459a842d59dbd1ea1b

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\26808e9fe7def427eea65c3f4b1c7838.exe
    "C:\Users\Admin\AppData\Local\Temp\26808e9fe7def427eea65c3f4b1c7838.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1944
    • 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:1584

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/1584-67-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/1584-64-0x0000000000000000-mapping.dmp
  • memory/1584-66-0x00000000003C0000-0x00000000003EF000-memory.dmp
    Filesize

    188KB

  • memory/1584-68-0x00000000020F0000-0x000000000210B000-memory.dmp
    Filesize

    108KB

  • memory/1584-70-0x00000000048A2000-0x00000000048A3000-memory.dmp
    Filesize

    4KB

  • memory/1584-69-0x00000000048A1000-0x00000000048A2000-memory.dmp
    Filesize

    4KB

  • memory/1584-71-0x00000000048A3000-0x00000000048A4000-memory.dmp
    Filesize

    4KB

  • memory/1584-72-0x0000000002270000-0x000000000228A000-memory.dmp
    Filesize

    104KB

  • memory/1584-73-0x00000000048A4000-0x00000000048A6000-memory.dmp
    Filesize

    8KB

  • memory/1944-59-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1944-60-0x0000000000300000-0x00000000003CC000-memory.dmp
    Filesize

    816KB

  • memory/1944-61-0x0000000000400000-0x00000000004D4000-memory.dmp
    Filesize

    848KB