Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    14-12-2021 13:21

General

  • Target

    tmp/systemg.exe

  • Size

    1.2MB

  • MD5

    78b83d8da9273d6d39a4d419296df1ef

  • SHA1

    bdeb862c9dfd8c326ea6b52c340bdec35725f325

  • SHA256

    ac30759bb6db02424de46e97faae66924a81b4972893fce91f81b6f3232936c3

  • SHA512

    debf0a707f13bb1dac5ebb7ba3eecbc452c38cdb6445a156ad8b89a500bfa62254a972b78442867e5df32aebcae794d0cc72495c6380810a67564d4168e8b592

Malware Config

Extracted

Family

redline

Botnet

13.12_BUILD_1

C2

45.9.20.221:2865

Signatures

  • RedLine

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

  • RedLine Payload 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp\systemg.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp\systemg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Users\Admin\AppData\Local\Temp\tmp\systemg.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp\systemg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1088

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-54-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1088-55-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1088-56-0x000000000040CD2F-mapping.dmp
  • memory/1088-57-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1088-58-0x0000000001F60000-0x0000000001F8E000-memory.dmp
    Filesize

    184KB

  • memory/1088-59-0x00000000020D0000-0x00000000020FD000-memory.dmp
    Filesize

    180KB

  • memory/1088-61-0x0000000004822000-0x0000000004823000-memory.dmp
    Filesize

    4KB

  • memory/1088-62-0x0000000004823000-0x0000000004824000-memory.dmp
    Filesize

    4KB

  • memory/1088-60-0x0000000004821000-0x0000000004822000-memory.dmp
    Filesize

    4KB

  • memory/1088-63-0x0000000004824000-0x0000000004826000-memory.dmp
    Filesize

    8KB