Analysis

  • max time kernel
    65s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-03-2021 16:45

General

  • Target

    qZ0RXW.exe

  • Size

    912KB

  • MD5

    8c03063314b0aa3d6a7d26c1f6db60b4

  • SHA1

    6955952347314e7e19895778af232b14a15c736d

  • SHA256

    8378458c45be220207b12b7dbeeee4fcd9a4c4f51973d828834b418ded6e781f

  • SHA512

    d55407a63928afa38612e58fef7253452cc799f8659c4a78e93ba94b2d07feb7a2e47e1294b79879b440fe5bc8ad0d8c7563a6d4e1a0e2d31aa9424c009f9839

Score
10/10

Malware Config

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe
    "C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\1027109889.exe
      C:\Users\Admin\AppData\Local\Temp\1027109889.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3264
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
    • C:\Users\Admin\AppData\Local\Temp\1561157813.exe
      C:\Users\Admin\AppData\Local\Temp\1561157813.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /k ping 0 & del C:\Users\Admin\AppData\Local\Temp\qZ0RXW.exe & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2812
      • C:\Windows\SysWOW64\PING.EXE
        ping 0
        3⤵
        • Runs ping.exe
        PID:1356

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AddInProcess32.exe.log
    MD5

    3375f93b9adc89753e8d23050bce6ca0

    SHA1

    9532d3600af4bd299e649e8dfd16896ba63fd27e

    SHA256

    dcea8294dccb23d9690c3f14ebe53b4ed0ee4da80171f238e9cf8160ac708295

    SHA512

    b4c65c9bb265992311707149cd2e285ae87eaabf179e046d2e38dd22901b84c1aa1ea94966d6f4eed31230f2869ccde47587ec65e92ca58d3a8b1f8358786a8d

  • C:\Users\Admin\AppData\Local\Temp\1027109889.exe
    MD5

    8f42d6ac2ff0bd507f77fc6f2077ecae

    SHA1

    3f6eb11f4dc112aed5aac9fe3feb78f77e068c93

    SHA256

    cb1c124f7c5ee7ff7e260a15a4c8dcbce9dc4d3c3f4a1bbc54fda408970d045f

    SHA512

    2de3ab74384d24ccc5ae083dda82956d722f87e5d0b06ee183a42b92c8a881758940b773e2aa19ecb0a0b22c0b5522e60700604011f12cb2e72c06722864daa7

  • C:\Users\Admin\AppData\Local\Temp\1027109889.exe
    MD5

    8f42d6ac2ff0bd507f77fc6f2077ecae

    SHA1

    3f6eb11f4dc112aed5aac9fe3feb78f77e068c93

    SHA256

    cb1c124f7c5ee7ff7e260a15a4c8dcbce9dc4d3c3f4a1bbc54fda408970d045f

    SHA512

    2de3ab74384d24ccc5ae083dda82956d722f87e5d0b06ee183a42b92c8a881758940b773e2aa19ecb0a0b22c0b5522e60700604011f12cb2e72c06722864daa7

  • C:\Users\Admin\AppData\Local\Temp\1561157813.exe
    MD5

    8a71134b5eec8d2bbf849a291b63246d

    SHA1

    bef03f05daad824da570594d183e233193d07bca

    SHA256

    36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

    SHA512

    408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

  • C:\Users\Admin\AppData\Local\Temp\1561157813.exe
    MD5

    8a71134b5eec8d2bbf849a291b63246d

    SHA1

    bef03f05daad824da570594d183e233193d07bca

    SHA256

    36872a3b93b4173cbd71fe1955ae787a62e3e8dfc46a035cf406c06b8bcc66cf

    SHA512

    408cc8d88afd45e7e0bd52f46560f5ef721dafe703007c140b0fa696615a480e1155726e479ca829023f2d076b7d1401fd99008bbf11c13d3922d1c633218831

  • memory/1356-34-0x0000000000000000-mapping.dmp
  • memory/2532-40-0x0000000005E80000-0x0000000005E81000-memory.dmp
    Filesize

    4KB

  • memory/2532-37-0x0000000006380000-0x0000000006381000-memory.dmp
    Filesize

    4KB

  • memory/2532-12-0x000000000041F39E-mapping.dmp
  • memory/2532-11-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2532-13-0x0000000072E00000-0x00000000734EE000-memory.dmp
    Filesize

    6.9MB

  • memory/2532-58-0x0000000007C30000-0x0000000007C31000-memory.dmp
    Filesize

    4KB

  • memory/2532-52-0x0000000007140000-0x0000000007141000-memory.dmp
    Filesize

    4KB

  • memory/2532-51-0x0000000007F90000-0x0000000007F91000-memory.dmp
    Filesize

    4KB

  • memory/2532-50-0x0000000007030000-0x0000000007031000-memory.dmp
    Filesize

    4KB

  • memory/2532-49-0x0000000007560000-0x0000000007561000-memory.dmp
    Filesize

    4KB

  • memory/2532-25-0x00000000058A0000-0x00000000058A1000-memory.dmp
    Filesize

    4KB

  • memory/2532-48-0x0000000006E60000-0x0000000006E61000-memory.dmp
    Filesize

    4KB

  • memory/2532-41-0x00000000060E0000-0x00000000060E1000-memory.dmp
    Filesize

    4KB

  • memory/2532-39-0x0000000005E40000-0x0000000005E41000-memory.dmp
    Filesize

    4KB

  • memory/2532-38-0x0000000005DE0000-0x0000000005DE1000-memory.dmp
    Filesize

    4KB

  • memory/2812-33-0x0000000000000000-mapping.dmp
  • memory/2832-17-0x0000000000000000-mapping.dmp
  • memory/2832-26-0x0000000005720000-0x0000000005721000-memory.dmp
    Filesize

    4KB

  • memory/2832-21-0x0000000000F00000-0x0000000000F01000-memory.dmp
    Filesize

    4KB

  • memory/2832-20-0x0000000072E00000-0x00000000734EE000-memory.dmp
    Filesize

    6.9MB

  • memory/3264-8-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/3264-5-0x0000000072E00000-0x00000000734EE000-memory.dmp
    Filesize

    6.9MB

  • memory/3264-10-0x0000000004B90000-0x0000000004B91000-memory.dmp
    Filesize

    4KB

  • memory/3264-6-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/3264-2-0x0000000000000000-mapping.dmp
  • memory/3264-9-0x0000000004A50000-0x0000000004A51000-memory.dmp
    Filesize

    4KB

  • memory/3764-29-0x0000000072E00000-0x00000000734EE000-memory.dmp
    Filesize

    6.9MB

  • memory/3764-27-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/3764-28-0x000000000041F38A-mapping.dmp
  • memory/3764-35-0x0000000005590000-0x0000000005591000-memory.dmp
    Filesize

    4KB