Analysis

  • max time kernel
    28s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • 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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fab18787863297968fe1c105420d8465.exe
    "C:\Users\Admin\AppData\Local\Temp\fab18787863297968fe1c105420d8465.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\AppData\Roaming\dahgarq\apineshpp.exe
      apineshpp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2312

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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

    cc904eb37f5b7045892d29350c8022ce

    SHA1

    91a718ea5544056e870ff49e7759d1b3b5818cea

    SHA256

    8e41b7dbc4efb96ccd077635859088866c629a1f131364bb64de2bf72b852723

    SHA512

    16e64de75fd6bb4d908a1208f17fb47fc94c86b6ac3f207cb3a52af9486f65a50237dfc3984851997fc9d752cf5715fb541d8821bff74ed0f3113c8b5276bf72

  • memory/396-115-0x0000000000400000-0x00000000004D4000-memory.dmp
    Filesize

    848KB

  • memory/396-114-0x00000000022F0000-0x00000000023BC000-memory.dmp
    Filesize

    816KB

  • memory/2312-126-0x0000000002580000-0x000000000259A000-memory.dmp
    Filesize

    104KB

  • memory/2312-129-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
    Filesize

    4KB

  • memory/2312-119-0x0000000001F40000-0x0000000001F6F000-memory.dmp
    Filesize

    188KB

  • memory/2312-121-0x00000000021E0000-0x00000000021FB000-memory.dmp
    Filesize

    108KB

  • memory/2312-122-0x0000000004C50000-0x0000000004C51000-memory.dmp
    Filesize

    4KB

  • memory/2312-124-0x0000000004C42000-0x0000000004C43000-memory.dmp
    Filesize

    4KB

  • memory/2312-123-0x0000000004C40000-0x0000000004C41000-memory.dmp
    Filesize

    4KB

  • memory/2312-125-0x0000000004C43000-0x0000000004C44000-memory.dmp
    Filesize

    4KB

  • memory/2312-116-0x0000000000000000-mapping.dmp
  • memory/2312-127-0x0000000005150000-0x0000000005151000-memory.dmp
    Filesize

    4KB

  • memory/2312-128-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
    Filesize

    4KB

  • memory/2312-120-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/2312-130-0x0000000005760000-0x0000000005761000-memory.dmp
    Filesize

    4KB

  • memory/2312-131-0x0000000004C44000-0x0000000004C46000-memory.dmp
    Filesize

    8KB

  • memory/2312-132-0x00000000058D0000-0x00000000058D1000-memory.dmp
    Filesize

    4KB

  • memory/2312-133-0x00000000065B0000-0x00000000065B1000-memory.dmp
    Filesize

    4KB

  • memory/2312-134-0x0000000006780000-0x0000000006781000-memory.dmp
    Filesize

    4KB

  • memory/2312-135-0x0000000006DB0000-0x0000000006DB1000-memory.dmp
    Filesize

    4KB

  • memory/2312-136-0x0000000007210000-0x0000000007211000-memory.dmp
    Filesize

    4KB

  • memory/2312-137-0x00000000072E0000-0x00000000072E1000-memory.dmp
    Filesize

    4KB

  • memory/2312-138-0x00000000073C0000-0x00000000073C1000-memory.dmp
    Filesize

    4KB