Analysis

  • max time kernel
    91s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2023 05:41

General

  • Target

    8f3e21d3d15b6ea17b573452d7857c16.exe

  • Size

    1.7MB

  • MD5

    8f3e21d3d15b6ea17b573452d7857c16

  • SHA1

    3fbde3bd6f2f2001b8cd242cd9d68307fd140f9c

  • SHA256

    14357575e409e06a45243465cd697a6c22f847968fcec7e5cd9238aa9419777c

  • SHA512

    b8509127717de92eec70d9ef716192fa73c2b1bd2e5fe2c04f62cf9f6b87ef208da919eaee6fcf00ffe37008e6aedd58edbd4404aae62378346fa2ab9519b324

  • SSDEEP

    12288:n0Hef2besfNRcrPNWdLBOr8GN54GiSdeiFIblEIwoZEsDbqhuhDW:Wl60wJ

Malware Config

Extracted

Family

redline

Botnet

build1

C2

101.99.93.194:28049

Attributes
  • auth_value

    d9b4859f9090a89a831ab84ed61a9faf

Signatures

  • RedLine

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

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f3e21d3d15b6ea17b573452d7857c16.exe
    "C:\Users\Admin\AppData\Local\Temp\8f3e21d3d15b6ea17b573452d7857c16.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3760
    • C:\Users\Admin\AppData\Local\Temp\8f3e21d3d15b6ea17b573452d7857c16.exe
      "C:\Users\Admin\AppData\Local\Temp\8f3e21d3d15b6ea17b573452d7857c16.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4200

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8f3e21d3d15b6ea17b573452d7857c16.exe.log

    Filesize

    1KB

    MD5

    568cff9ba1570565b45bf9ef7e636f7f

    SHA1

    d07d800e4334c2566181d3fcf9d644512a5a992e

    SHA256

    b094cb1ef7da4d1a6ed0b9dc687619033e44b960f4be00652a46fe945398bc09

    SHA512

    623e2fc4ba85f3465744dcd3e52cfa9e83009d18d5a8f4239842b2ddd0b0c91cd447072f7844cd9e6f8ef571f38743b22820f5cc741f9e55823d241146f9830b

  • memory/3760-145-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-138-0x0000000005430000-0x000000000543A000-memory.dmp

    Filesize

    40KB

  • memory/3760-141-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-137-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-134-0x0000000005810000-0x0000000005DB4000-memory.dmp

    Filesize

    5.6MB

  • memory/3760-139-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-140-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-135-0x0000000005310000-0x00000000053A2000-memory.dmp

    Filesize

    584KB

  • memory/3760-142-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-143-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-144-0x0000000005630000-0x0000000005640000-memory.dmp

    Filesize

    64KB

  • memory/3760-133-0x00000000004F0000-0x00000000006B0000-memory.dmp

    Filesize

    1.8MB

  • memory/3760-136-0x0000000005450000-0x00000000054EC000-memory.dmp

    Filesize

    624KB

  • memory/4200-149-0x0000000005050000-0x0000000005668000-memory.dmp

    Filesize

    6.1MB

  • memory/4200-146-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/4200-150-0x0000000004BD0000-0x0000000004CDA000-memory.dmp

    Filesize

    1.0MB

  • memory/4200-151-0x0000000004B00000-0x0000000004B12000-memory.dmp

    Filesize

    72KB

  • memory/4200-152-0x0000000004B90000-0x0000000004BCC000-memory.dmp

    Filesize

    240KB

  • memory/4200-153-0x0000000004B80000-0x0000000004B90000-memory.dmp

    Filesize

    64KB

  • memory/4200-154-0x0000000005710000-0x0000000005776000-memory.dmp

    Filesize

    408KB

  • memory/4200-155-0x00000000063A0000-0x0000000006562000-memory.dmp

    Filesize

    1.8MB

  • memory/4200-156-0x0000000006AA0000-0x0000000006FCC000-memory.dmp

    Filesize

    5.2MB

  • memory/4200-157-0x0000000006250000-0x00000000062C6000-memory.dmp

    Filesize

    472KB

  • memory/4200-158-0x00000000062D0000-0x0000000006320000-memory.dmp

    Filesize

    320KB

  • memory/4200-159-0x0000000004B80000-0x0000000004B90000-memory.dmp

    Filesize

    64KB