Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 13:13

General

  • Target

    6b061fa4768c28530459442828163e1c4cf33aa058cd0846566771b57ecf36e8.exe

  • Size

    863KB

  • MD5

    2a6e1fb8b08aaa808c7fb58476b6e43a

  • SHA1

    7ad750caf7fae9d5a84a40ceaa6b717687c8f8c0

  • SHA256

    6b061fa4768c28530459442828163e1c4cf33aa058cd0846566771b57ecf36e8

  • SHA512

    e1ebc658f348be796144da8d64139e1736e028448e15e922663202fbb9234ae5eff82fe5323cd3b0b192f238eaa4dcbe91364fe0a46385726f91ec0afc892db8

  • SSDEEP

    24576:zybHwr+znBAxCLaz/qplMPNYrlWCn+QCh2:GbQr+jBQL+M2R+Qq

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\6b061fa4768c28530459442828163e1c4cf33aa058cd0846566771b57ecf36e8.exe
    "C:\Users\Admin\AppData\Local\Temp\6b061fa4768c28530459442828163e1c4cf33aa058cd0846566771b57ecf36e8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2308083.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y2308083.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0140419.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0140419.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3508
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0067136.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0067136.exe
        3⤵
        • Executes dropped EXE
        PID:1888

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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\y2308083.exe

    Filesize

    680KB

    MD5

    9c6164d041c24db6736a51008707f2a6

    SHA1

    c11101f7b72a3a0249f3e873bdd3735c1d8267fe

    SHA256

    bf73429ee52f9270d33a8197ee4e52727f33a67083eb1ae40adfbc8b2dbe2075

    SHA512

    847f56104d115c6b8e59a02fd5252a6e52a8511faf01b59d86fb3abbef1fab226cc5abce2c8921777c0db88e616b6f14028cdfcbd09fc6b6bfc06c5e4aaca2b0

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k0140419.exe

    Filesize

    530KB

    MD5

    5663b528b5976a2873c447dbcb05b6af

    SHA1

    c4e5c3993293c0441f80d4434d177708962bb78f

    SHA256

    082e8efad9dc970b2395071b67565558033a397e71cb304fea335ae18b739edf

    SHA512

    1c352c1c48faa071b627b152c0898ac7e0e5c685478a79561d388a9a2563ce27c221b05b1e9572b62788dbca008da5858a2d33889b086f254d633f725e3600e2

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l0067136.exe

    Filesize

    691KB

    MD5

    f5fbed4a17d320d04f69af6ba9604b80

    SHA1

    a41d2a644b5bdb23f41b194a06db0fb5e0ff61aa

    SHA256

    9a8624b0e10ff7c1764e3cb07d2371b70dd4cf3ad32e8a0f41e5de4db11dacee

    SHA512

    ae0221d3b79a220d9433c3b2ee243cb61b1f02a65e55337cc40afc978ad3f0c1dc2ae45cabcbe3e69e4e49f25a5db762bf4f891ad2a97fb1a6b11a62dc6c4cda

  • memory/1888-31-0x0000000009E50000-0x000000000A468000-memory.dmp

    Filesize

    6.1MB

  • memory/1888-26-0x0000000000620000-0x0000000000650000-memory.dmp

    Filesize

    192KB

  • memory/1888-30-0x0000000004960000-0x0000000004966000-memory.dmp

    Filesize

    24KB

  • memory/1888-32-0x000000000A500000-0x000000000A60A000-memory.dmp

    Filesize

    1.0MB

  • memory/1888-33-0x000000000A640000-0x000000000A652000-memory.dmp

    Filesize

    72KB

  • memory/1888-34-0x000000000A660000-0x000000000A69C000-memory.dmp

    Filesize

    240KB

  • memory/1888-35-0x0000000002320000-0x000000000236C000-memory.dmp

    Filesize

    304KB

  • memory/3508-19-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/3508-15-0x00000000004F0000-0x00000000004FA000-memory.dmp

    Filesize

    40KB

  • memory/3508-14-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB