Analysis

  • max time kernel
    34s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-07-2021 14:03

General

  • Target

    57b7bb4faf2eabffda8fd57de9642234.exe

  • Size

    689KB

  • MD5

    57b7bb4faf2eabffda8fd57de9642234

  • SHA1

    a9ab94f2d27ee8fb44893b83059d53ae063a6093

  • SHA256

    1b8e0d6bf6bbc7bd304c72d27f68e40383a3107cdd286cdae3ad77cfb2877438

  • SHA512

    45b0114f87daf889aa1932e5bc34ffe5d48cacfabe24572f215970c43fb5b8a09f6667820fecf2f609bd3d88cf1c628db3d639cb27742e39200e8ce2acbbbed2

Malware Config

Extracted

Family

redline

Botnet

MIX 26.07

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\57b7bb4faf2eabffda8fd57de9642234.exe
    "C:\Users\Admin\AppData\Local\Temp\57b7bb4faf2eabffda8fd57de9642234.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:792
    • 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:620

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

    2828e87a24cde9ffa4d318a0a98fab8b

    SHA1

    b8e22b39aebeb2724ce7f8d2edcfcdbe07bbf908

    SHA256

    b30c723982534b09ac7736e33151c7093403b96e8cbc0c9aa58bd7cfcb6a7e32

    SHA512

    d8cd026bbb4f218f8d3d44a139cf36e8052120980a7bae2e9ffbd0a24697de658d19889c9335f0aae812a0af75c993c7e2456e7a3efd8fb0cd77e392f2e3ecf1

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

    2828e87a24cde9ffa4d318a0a98fab8b

    SHA1

    b8e22b39aebeb2724ce7f8d2edcfcdbe07bbf908

    SHA256

    b30c723982534b09ac7736e33151c7093403b96e8cbc0c9aa58bd7cfcb6a7e32

    SHA512

    d8cd026bbb4f218f8d3d44a139cf36e8052120980a7bae2e9ffbd0a24697de658d19889c9335f0aae812a0af75c993c7e2456e7a3efd8fb0cd77e392f2e3ecf1

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

    2828e87a24cde9ffa4d318a0a98fab8b

    SHA1

    b8e22b39aebeb2724ce7f8d2edcfcdbe07bbf908

    SHA256

    b30c723982534b09ac7736e33151c7093403b96e8cbc0c9aa58bd7cfcb6a7e32

    SHA512

    d8cd026bbb4f218f8d3d44a139cf36e8052120980a7bae2e9ffbd0a24697de658d19889c9335f0aae812a0af75c993c7e2456e7a3efd8fb0cd77e392f2e3ecf1

  • memory/620-68-0x0000000000400000-0x000000000047D000-memory.dmp
    Filesize

    500KB

  • memory/620-65-0x0000000000000000-mapping.dmp
  • memory/620-67-0x0000000000230000-0x000000000025F000-memory.dmp
    Filesize

    188KB

  • memory/620-69-0x0000000000390000-0x00000000003AB000-memory.dmp
    Filesize

    108KB

  • memory/620-71-0x0000000004A72000-0x0000000004A73000-memory.dmp
    Filesize

    4KB

  • memory/620-70-0x0000000004A71000-0x0000000004A72000-memory.dmp
    Filesize

    4KB

  • memory/620-72-0x0000000004A73000-0x0000000004A74000-memory.dmp
    Filesize

    4KB

  • memory/620-73-0x00000000007D0000-0x00000000007EA000-memory.dmp
    Filesize

    104KB

  • memory/620-74-0x0000000004A74000-0x0000000004A76000-memory.dmp
    Filesize

    8KB

  • memory/792-60-0x0000000075041000-0x0000000075043000-memory.dmp
    Filesize

    8KB

  • memory/792-61-0x00000000004E0000-0x00000000005AC000-memory.dmp
    Filesize

    816KB

  • memory/792-62-0x0000000000400000-0x00000000004D4000-memory.dmp
    Filesize

    848KB