Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-07-2021 16:17

General

  • Target

    111f54264510164719eeb43b56d385d9.exe

  • Size

    689KB

  • MD5

    111f54264510164719eeb43b56d385d9

  • SHA1

    47f300489c9198cfdaf5dbc6fea4050610566f8e

  • SHA256

    fc4cc2a7d217e04b0b3406cf3b62b7f16dcee104cf5a05497092d2d93d858509

  • SHA512

    e7e3e03197bc07b00be86906dd0e59e7e167f9eff6c955c1db236e04cc3659315b1a97fc191e2f70d541c8d4ea08ff4a84c83e0117419d848357e46e906c3b1d

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\111f54264510164719eeb43b56d385d9.exe
    "C:\Users\Admin\AppData\Local\Temp\111f54264510164719eeb43b56d385d9.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1348
    • 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:688

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/688-68-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/688-65-0x0000000000000000-mapping.dmp
  • memory/688-67-0x0000000000230000-0x000000000025F000-memory.dmp
    Filesize

    188KB

  • memory/688-69-0x0000000000560000-0x000000000057B000-memory.dmp
    Filesize

    108KB

  • memory/688-70-0x0000000001EB0000-0x0000000001ECA000-memory.dmp
    Filesize

    104KB

  • memory/688-72-0x00000000022A2000-0x00000000022A3000-memory.dmp
    Filesize

    4KB

  • memory/688-71-0x00000000022A1000-0x00000000022A2000-memory.dmp
    Filesize

    4KB

  • memory/688-73-0x00000000022A3000-0x00000000022A4000-memory.dmp
    Filesize

    4KB

  • memory/688-74-0x00000000022A4000-0x00000000022A6000-memory.dmp
    Filesize

    8KB

  • memory/1348-60-0x0000000001D20000-0x0000000001DEC000-memory.dmp
    Filesize

    816KB

  • memory/1348-61-0x00000000762C1000-0x00000000762C3000-memory.dmp
    Filesize

    8KB

  • memory/1348-62-0x0000000000400000-0x00000000004D4000-memory.dmp
    Filesize

    848KB