Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 12:54

General

  • Target

    4bc64c0375f3ffea0f45741a1f4ed6af4f66e8f13084960da4aeb003e9f45675.exe

  • Size

    389KB

  • MD5

    073f84f40946716ae47ea59af7fc3979

  • SHA1

    f39ce1dd5b30a263986c6831bc7bf4b662b3ce5c

  • SHA256

    4bc64c0375f3ffea0f45741a1f4ed6af4f66e8f13084960da4aeb003e9f45675

  • SHA512

    7a9758b20b794cac8a5a9e8dae5fb55f6cfb5b69e8ab5ab804088e67975436826746e5fe18473f56e4544bf148c35dc1a1029768bf3262e58372afbc7d9ca93a

  • SSDEEP

    6144:KGy+bnr+xp0yN90QESFxnVkONlvhYZbG7qMh+hn0E3+YIu5ly4RChw/:yMrFy90wSONcbG75w3+YNly2Chw/

Malware Config

Extracted

Family

redline

Botnet

nasa

C2

77.91.68.68:19071

Attributes
  • auth_value

    6da71218d8a9738ea3a9a78b5677589b

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 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 1 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4bc64c0375f3ffea0f45741a1f4ed6af4f66e8f13084960da4aeb003e9f45675.exe
    "C:\Users\Admin\AppData\Local\Temp\4bc64c0375f3ffea0f45741a1f4ed6af4f66e8f13084960da4aeb003e9f45675.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3388
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0401173.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0401173.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4648
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4607821.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4607821.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1324
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1698980.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1698980.exe
        3⤵
        • Executes dropped EXE
        PID:4476

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\z0401173.exe
    Filesize

    206KB

    MD5

    4e23e3ed92f482907c31141926908a4f

    SHA1

    6a090640bedf02b74bb7dad0b75c380d444f73fc

    SHA256

    239a61d49eb6b626bd249926a1a3225d6005efe83cfbf21091cd381af22172d7

    SHA512

    273e0ad97c40f1f70375251e66ce7f33bf54ae6dc068fdb3156925f59433009a16835ea1e528ab1422c26952b3835f62aff4ef267749978ad0e7725133920e8d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0401173.exe
    Filesize

    192KB

    MD5

    0152ba18758f9a3d515f5a0f1e0efb08

    SHA1

    6ac6f4755670612d30e402440a8a9f1cc6236587

    SHA256

    a96029c60acc3661edd02872b741eca8d9f00b931c503af9f89ba9ebae91ac4b

    SHA512

    120a47e6afb3a10fd0abe6c8885911231193fcbdcecd629a1de31e4eb0457bb90706600ae16bb7b54530a1d293a9f2694c38849bec7d1c952b841b883cb4d5b6

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p4607821.exe
    Filesize

    14KB

    MD5

    24680878da0cdb572f04dee724eb6374

    SHA1

    e541d64aadaa8bbc00544fe62476886e15ffbe48

    SHA256

    1ec13c26ada790637e7432690f135d84911e69be30fffbc673c0e63e2c7d1c3f

    SHA512

    9196bb471e2a2eac844320afc95198af35c06d7c87dfd39779c69f1856fcec452c30dd61b1117eef825566cfee1e6f2b0962fed07fae269cd502263b008b5779

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r1698980.exe
    Filesize

    173KB

    MD5

    42d0dd8ee8b60ffcca10b682dccea2a2

    SHA1

    d6069d38777c71e088d5addc73f6cce3a4bc8bd6

    SHA256

    b0df05a1010f5da959d2539eb1014155e1859164aac2df73acd63a4990c97be4

    SHA512

    ef304513350ff736d53cbfd87973cacdfe7251edc94cf57f75bfcfa3bc73f63116cc8bd931e25fe9f75718f344667c8a36706bd0c179e0678423a9c50842aa92

  • memory/1324-15-0x00007FFB1E063000-0x00007FFB1E065000-memory.dmp
    Filesize

    8KB

  • memory/1324-14-0x0000000000D70000-0x0000000000D7A000-memory.dmp
    Filesize

    40KB

  • memory/4476-20-0x0000000000E50000-0x0000000000E80000-memory.dmp
    Filesize

    192KB

  • memory/4476-21-0x0000000003130000-0x0000000003136000-memory.dmp
    Filesize

    24KB

  • memory/4476-23-0x000000000AE00000-0x000000000AF0A000-memory.dmp
    Filesize

    1.0MB

  • memory/4476-24-0x000000000AD40000-0x000000000AD52000-memory.dmp
    Filesize

    72KB

  • memory/4476-25-0x000000000ADA0000-0x000000000ADDC000-memory.dmp
    Filesize

    240KB

  • memory/4476-22-0x000000000B300000-0x000000000B918000-memory.dmp
    Filesize

    6.1MB

  • memory/4476-26-0x00000000052F0000-0x000000000533C000-memory.dmp
    Filesize

    304KB