Analysis

  • max time kernel
    145s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:54

General

  • Target

    1b0729839d14f565e8de6c35f683e4cf6c401cc652ea06fe9d0da0c95e9abadd.exe

  • Size

    863KB

  • MD5

    06277a03cdeaf29ddaf5419eb7b05b20

  • SHA1

    96d63bf0038d66d8077141669a1518d99182f7a4

  • SHA256

    1b0729839d14f565e8de6c35f683e4cf6c401cc652ea06fe9d0da0c95e9abadd

  • SHA512

    794cd215922cf660883cafcb834c4962aca747bdb3f7240118c2924c6185b682946e037e200a92b1cac307ae2dca34919c8ce367b77c0a24ced47a21b4ba50ff

  • SSDEEP

    12288:iMr/y90ORo/UpVjIROE5bDbVA0A/9OcuITijA8yeQbcHO+lLG9L8qwcnmJaqi:lyZOoqkWb/61OcVmS45dGALK

Malware Config

Extracted

Family

redline

Botnet

kira

C2

77.91.68.48:19071

Attributes
  • auth_value

    1677a40fd8997eb89377e1681911e9c6

Signatures

  • Detects Healer an antivirus disabler dropper 2 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • 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 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b0729839d14f565e8de6c35f683e4cf6c401cc652ea06fe9d0da0c95e9abadd.exe
    "C:\Users\Admin\AppData\Local\Temp\1b0729839d14f565e8de6c35f683e4cf6c401cc652ea06fe9d0da0c95e9abadd.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3907700.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3907700.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9734366.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9734366.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:60
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8065764.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8065764.exe
        3⤵
        • Executes dropped EXE
        PID:1944

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\Microsoft\CLR_v4.0_32\UsageLogs\System.dll.log
    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y3907700.exe
    Filesize

    679KB

    MD5

    e2f2a83987e8c3ec0be91997242a1245

    SHA1

    8fbe7c3c73521d2e43551408dea446b86b1f1320

    SHA256

    c0bad50a06332530825d6222df1a1a81be1efb53e40b430d958d41058b2da47d

    SHA512

    5f5819a08d3fefa1cf48ba1b1957e210bc3b9b2f54d179cf4643f2d2f892717215829817565ea0d729ec4adb218742283363ca3b496b2d08c4753358ef5b8908

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k9734366.exe
    Filesize

    530KB

    MD5

    1f7f9b823f8da6464138b0a8aa7b7541

    SHA1

    cc0101a0ab1d56618ee997b81ef69438256b62d7

    SHA256

    9deffa10cbae5f528b9441383f82380d1d39ecf55dd7128cd633c45dd5707b7d

    SHA512

    b409e220c5bbf887250a0de83f5e26c5013aa7a17b9ec107d0ea3e8861e052f0970d6e0c04df05d65f8c5856bb87209d9c6766dcf2f3beb65b881da7d2d91275

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l8065764.exe
    Filesize

    692KB

    MD5

    5f7e66a3a98eea835c4abbcc1f166450

    SHA1

    717ff1c55cac3921a0ab7bfdcaa9d63906f11c00

    SHA256

    a9c1cbaa22561785d5e12b8dd1cfe72372c1f4c22510a503b68c450428518275

    SHA512

    10502dda88a78c477efb627d514728dd0ef8387380e8b336e7a4a586c8bbf2d24ffddb4518c96624d6a32d9a0a13370d153d08b32c0b1872842f8b8b6ca923aa

  • memory/60-18-0x0000000000401000-0x0000000000402000-memory.dmp
    Filesize

    4KB

  • memory/60-14-0x0000000000420000-0x000000000042A000-memory.dmp
    Filesize

    40KB

  • memory/60-19-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1944-25-0x0000000000450000-0x0000000000480000-memory.dmp
    Filesize

    192KB

  • memory/1944-30-0x00000000023F0000-0x00000000023F6000-memory.dmp
    Filesize

    24KB

  • memory/1944-31-0x0000000004C00000-0x0000000005218000-memory.dmp
    Filesize

    6.1MB

  • memory/1944-32-0x0000000005220000-0x000000000532A000-memory.dmp
    Filesize

    1.0MB

  • memory/1944-33-0x0000000005360000-0x0000000005372000-memory.dmp
    Filesize

    72KB

  • memory/1944-34-0x0000000005380000-0x00000000053BC000-memory.dmp
    Filesize

    240KB

  • memory/1944-35-0x0000000005420000-0x000000000546C000-memory.dmp
    Filesize

    304KB