Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2023, 03:48

General

  • Target

    9b52e97ef9a8fd351fd878ebf36f8377.exe

  • Size

    3.1MB

  • MD5

    9b52e97ef9a8fd351fd878ebf36f8377

  • SHA1

    8931188c8ae85bc39a0bb7bfe4249d6098533954

  • SHA256

    2f94e4ce7f8ee0d584b776988ac0dd80df820f5a44d866271efce73c6ad84fc6

  • SHA512

    a0e720287758aa3110512741bc4657e65cba46ec932d81a3bcb14d12cff50e78fed976ff351e1b47056eeb9690d0638ea5a0cc89bea826290e3ac391e496f767

  • SSDEEP

    49152:HNR10gLk3Fw7aitvQpBymUlb9vHMQmdFbL64FXm:HNR95yByvlJlcFbBF

Malware Config

Extracted

Family

redline

Botnet

@ytlogsbot

C2

176.123.9.85:16482

Attributes
  • auth_value

    36b3ee30353ed1e6c1776af75fcfbc2c

Extracted

Family

redline

Botnet

lux3

C2

176.123.9.142:14845

Attributes
  • auth_value

    e94dff9a76da90d6b000642c4a52574b

Signatures

  • RedLine

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

  • RedLine payload 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b52e97ef9a8fd351fd878ebf36f8377.exe
    "C:\Users\Admin\AppData\Local\Temp\9b52e97ef9a8fd351fd878ebf36f8377.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Users\Admin\AppData\Roaming\configurationValue\@ytlogsbot.exe
        "C:\Users\Admin\AppData\Roaming\configurationValue\@ytlogsbot.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2336
      • C:\Users\Admin\AppData\Roaming\configurationValue\lux3.exe
        "C:\Users\Admin\AppData\Roaming\configurationValue\lux3.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2552
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "AppLaunch.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1132
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:2016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 36
        2⤵
        • Program crash
        PID:1892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\configurationValue\@ytlogsbot.exe

      Filesize

      127KB

      MD5

      dc0d6257af6ac44eb10333a282b0f738

      SHA1

      a749e2c90b313174a91a6e51db6bc8e6dc00f37e

      SHA256

      f80103f2a3b19dc0e0b26e84e4f259b5e07226527c06b253ea441c98eeb98808

      SHA512

      3d264ab41521b858c285f80dd3cafabb3c80b1ae0fcff901a5bdadf81b3aed075c164c4d908cee0a0ace700b755e4f04f4dc1715e6009008975bd90c5b7d3b23

    • C:\Users\Admin\AppData\Roaming\configurationValue\@ytlogsbot.exe

      Filesize

      127KB

      MD5

      dc0d6257af6ac44eb10333a282b0f738

      SHA1

      a749e2c90b313174a91a6e51db6bc8e6dc00f37e

      SHA256

      f80103f2a3b19dc0e0b26e84e4f259b5e07226527c06b253ea441c98eeb98808

      SHA512

      3d264ab41521b858c285f80dd3cafabb3c80b1ae0fcff901a5bdadf81b3aed075c164c4d908cee0a0ace700b755e4f04f4dc1715e6009008975bd90c5b7d3b23

    • C:\Users\Admin\AppData\Roaming\configurationValue\lux3.exe

      Filesize

      168KB

      MD5

      936cb3023cd500e07e9ad5dda9996c3f

      SHA1

      5772bd98e8da65cb1339e45074b0a6eaf07219a6

      SHA256

      7c533374288bae24f70e51c9b70c372e9d91fea2c51ce84903f47ea769fba83f

      SHA512

      38054bc192025b0c46ad5ba75c9ba869602fc782e7abfffb6a14cf18b3b3f4b7e93f9bcb48c253a888f5c758fdfcd85a40ab9e77153ec8bf496e00c13a32cd8b

    • C:\Users\Admin\AppData\Roaming\configurationValue\lux3.exe

      Filesize

      168KB

      MD5

      936cb3023cd500e07e9ad5dda9996c3f

      SHA1

      5772bd98e8da65cb1339e45074b0a6eaf07219a6

      SHA256

      7c533374288bae24f70e51c9b70c372e9d91fea2c51ce84903f47ea769fba83f

      SHA512

      38054bc192025b0c46ad5ba75c9ba869602fc782e7abfffb6a14cf18b3b3f4b7e93f9bcb48c253a888f5c758fdfcd85a40ab9e77153ec8bf496e00c13a32cd8b

    • \Users\Admin\AppData\Roaming\configurationValue\@ytlogsbot.exe

      Filesize

      127KB

      MD5

      dc0d6257af6ac44eb10333a282b0f738

      SHA1

      a749e2c90b313174a91a6e51db6bc8e6dc00f37e

      SHA256

      f80103f2a3b19dc0e0b26e84e4f259b5e07226527c06b253ea441c98eeb98808

      SHA512

      3d264ab41521b858c285f80dd3cafabb3c80b1ae0fcff901a5bdadf81b3aed075c164c4d908cee0a0ace700b755e4f04f4dc1715e6009008975bd90c5b7d3b23

    • \Users\Admin\AppData\Roaming\configurationValue\lux3.exe

      Filesize

      168KB

      MD5

      936cb3023cd500e07e9ad5dda9996c3f

      SHA1

      5772bd98e8da65cb1339e45074b0a6eaf07219a6

      SHA256

      7c533374288bae24f70e51c9b70c372e9d91fea2c51ce84903f47ea769fba83f

      SHA512

      38054bc192025b0c46ad5ba75c9ba869602fc782e7abfffb6a14cf18b3b3f4b7e93f9bcb48c253a888f5c758fdfcd85a40ab9e77153ec8bf496e00c13a32cd8b

    • memory/2072-87-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-55-0x0000000000400000-0x0000000000592000-memory.dmp

      Filesize

      1.6MB

    • memory/2072-64-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-63-0x0000000000400000-0x0000000000592000-memory.dmp

      Filesize

      1.6MB

    • memory/2072-93-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-88-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

      Filesize

      256KB

    • memory/2072-65-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

      Filesize

      256KB

    • memory/2072-62-0x0000000000400000-0x0000000000592000-memory.dmp

      Filesize

      1.6MB

    • memory/2072-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2072-56-0x0000000000400000-0x0000000000592000-memory.dmp

      Filesize

      1.6MB

    • memory/2212-54-0x0000000000AC0000-0x0000000000DE7000-memory.dmp

      Filesize

      3.2MB

    • memory/2336-79-0x0000000000300000-0x0000000000326000-memory.dmp

      Filesize

      152KB

    • memory/2336-85-0x0000000004880000-0x00000000048C0000-memory.dmp

      Filesize

      256KB

    • memory/2336-89-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2336-82-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2336-91-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2552-84-0x0000000000320000-0x0000000000326000-memory.dmp

      Filesize

      24KB

    • memory/2552-86-0x0000000000B80000-0x0000000000BC0000-memory.dmp

      Filesize

      256KB

    • memory/2552-83-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2552-90-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2552-92-0x0000000074000000-0x00000000746EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2552-81-0x00000000011F0000-0x0000000001220000-memory.dmp

      Filesize

      192KB