Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 09:13

General

  • Target

    a26df59e48ff80e63c4ae80b1ca4da56cf0629cdcaaa173b3f510b0b20722f78.exe

  • Size

    876KB

  • MD5

    c4f94db419675a2bd6a16b83fe8c381a

  • SHA1

    9df4ba3bf6ec393244a8c765e463e597bb64b217

  • SHA256

    a26df59e48ff80e63c4ae80b1ca4da56cf0629cdcaaa173b3f510b0b20722f78

  • SHA512

    564e7abd509ee71988cd0550846eb241fddd44fb7557a4c76c520a14d1f88f9b2464083f86fe3d8cb6660e2526536e4ea37800d1d957d7ea3a191425eab35855

  • SSDEEP

    24576:yyrZFRyjL8oVVYRBh7I21NQxRXsNeo6BP:Z/MjInz1SxR+e

Malware Config

Extracted

Family

redline

Botnet

dimas

C2

185.161.248.75:4132

Attributes
  • auth_value

    a5db9b1c53c704e612bccc93ccdb5539

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • RedLine payload 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a26df59e48ff80e63c4ae80b1ca4da56cf0629cdcaaa173b3f510b0b20722f78.exe
    "C:\Users\Admin\AppData\Local\Temp\a26df59e48ff80e63c4ae80b1ca4da56cf0629cdcaaa173b3f510b0b20722f78.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3890167.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3890167.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8339271.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8339271.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1388
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k3532406.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k3532406.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4496
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l8874809.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l8874809.exe
          4⤵
          • Executes dropped EXE
          PID:3248

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3890167.exe
    Filesize

    479KB

    MD5

    869d623180dff73397b5f34058e106f2

    SHA1

    1af73065d328029ee3d82ddd8f625ad3a9d9bcff

    SHA256

    9b9cb00d14cf7c8d3f4e64b8dd4573bad195ee266c5cffcf820f398e5a51ae04

    SHA512

    bc8a1c93dea8662be47d3737435605efca351a80803e3b41f71da9914153eb0c320d572085e1b2671875951c3311634beae8002e984c1a69f7e98a7258c90498

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y8339271.exe
    Filesize

    307KB

    MD5

    a28b1e892c10ba5e054b20faf5519263

    SHA1

    d9988318cdfbb97edaa2712790cc35f3181ff7b4

    SHA256

    8bd2da3bdd49625487058350b98633f194eeda83697690c729fefcefc188b07e

    SHA512

    fe5ef2074e8f98a066568c6ecd35bae22a556c41f5546820b1e078c0e1fe5458b15e422b9cc4c8459d307e50a0c28b9256c497f47a9fdf5e6aa6de2496c5f3e0

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k3532406.exe
    Filesize

    185KB

    MD5

    3e630811e041742e84b8ea3e59c277d1

    SHA1

    8a9c6d88e0d8ce0bd9e03658fa832d238a5eccd1

    SHA256

    960b92763e28e9b1ff62f7b8774351557c3abbf50adf9255ab5767b2851dd20b

    SHA512

    8d8c4d270f3c4ed32a0dbd0d07e5bd67c8cee508870a8b0a814b17e3c6255e9439054b62cde1d9b293ac50ab37fc10c63cdeccb33f65e6197fd5e7327432685e

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l8874809.exe
    Filesize

    145KB

    MD5

    8cbdb1bc227685c0b07cf0022188ca55

    SHA1

    db385aabb4a08bcabfcaba8606eb4ea20ab61609

    SHA256

    4d916a161e438b629309131ba9510f57158456d5484925161561089db28b227d

    SHA512

    3960c636f656a7e731d0215a9959adc9bad017cf9fe1b0a208da70155a694544a64744d7724ba534ac0fcd0b7208a99adde90b195fdde2ef19710258f95a47ea

  • memory/3248-62-0x00000000054C0000-0x000000000550C000-memory.dmp
    Filesize

    304KB

  • memory/3248-61-0x0000000005340000-0x000000000537C000-memory.dmp
    Filesize

    240KB

  • memory/3248-60-0x00000000052E0000-0x00000000052F2000-memory.dmp
    Filesize

    72KB

  • memory/3248-59-0x00000000053B0000-0x00000000054BA000-memory.dmp
    Filesize

    1.0MB

  • memory/3248-58-0x0000000005830000-0x0000000005E48000-memory.dmp
    Filesize

    6.1MB

  • memory/3248-57-0x00000000008E0000-0x000000000090A000-memory.dmp
    Filesize

    168KB

  • memory/4496-42-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-30-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-46-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-44-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-50-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-40-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-36-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-34-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-32-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-48-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-28-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-26-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-52-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-38-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-25-0x00000000049A0000-0x00000000049B7000-memory.dmp
    Filesize

    92KB

  • memory/4496-24-0x00000000050F0000-0x0000000005182000-memory.dmp
    Filesize

    584KB

  • memory/4496-23-0x00000000049A0000-0x00000000049BC000-memory.dmp
    Filesize

    112KB

  • memory/4496-22-0x0000000004A40000-0x0000000004FE4000-memory.dmp
    Filesize

    5.6MB

  • memory/4496-21-0x00000000023C0000-0x00000000023DE000-memory.dmp
    Filesize

    120KB