Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    22-11-2021 16:32

General

  • Target

    975e2a8879c2d40e6db9704e75868e53.exe

  • Size

    145KB

  • MD5

    975e2a8879c2d40e6db9704e75868e53

  • SHA1

    746e10e1a92ead22dc951a2feb0ec70a696f944e

  • SHA256

    f2b97834b52dab540606e6cf181131ea9c9ad621c8d7ef9f6f4dc1ad40de3a00

  • SHA512

    2ebbdf66c21d3a64a92f3e56a524e9255af702158ab9c39b1700515abd64aa301f24bab5560d056b777982bceee7a99d0bdd7fc71c83d8b25e2a6bc461b83f07

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 5 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\975e2a8879c2d40e6db9704e75868e53.exe
    "C:\Users\Admin\AppData\Local\Temp\975e2a8879c2d40e6db9704e75868e53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\975e2a8879c2d40e6db9704e75868e53.exe
      C:\Users\Admin\AppData\Local\Temp\975e2a8879c2d40e6db9704e75868e53.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1348

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

1
T1012

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1196-55-0x0000000001190000-0x0000000001191000-memory.dmp
    Filesize

    4KB

  • memory/1196-57-0x0000000075A61000-0x0000000075A63000-memory.dmp
    Filesize

    8KB

  • memory/1196-58-0x00000000010D0000-0x00000000010D1000-memory.dmp
    Filesize

    4KB

  • memory/1196-59-0x0000000001050000-0x00000000010AD000-memory.dmp
    Filesize

    372KB

  • memory/1196-60-0x0000000000BD0000-0x0000000000BF7000-memory.dmp
    Filesize

    156KB

  • memory/1348-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-66-0x0000000000436D2E-mapping.dmp
  • memory/1348-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1348-70-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/1348-71-0x0000000001130000-0x0000000001131000-memory.dmp
    Filesize

    4KB