Analysis

  • max time kernel
    117s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2023 17:42

General

  • Target

    ecfc9574a8374cbcb50a05df9af0ac5ac4d6247e0434548867e18a467fdda2f4.exe

  • Size

    766KB

  • MD5

    9309efba2a7b7ac7f0cb727bf6df9ea2

  • SHA1

    8434e86093fe1bfdcc7956cab3769d1d297e8586

  • SHA256

    ecfc9574a8374cbcb50a05df9af0ac5ac4d6247e0434548867e18a467fdda2f4

  • SHA512

    b541e1498e2cacfad78a30ab5fb86f4fc7136110616f80c9abc6dc4598ac72dc38ae668dd7b5d7adaa4d2a72ca59de906da7bd2178f40d12ce23b29a733b77b2

  • SSDEEP

    12288:mMrNy90XUIWIw/O5NCjxwNCvhzOAUAdf2YEh8NWl628SirVXsn:Tyu6WNAlvhUAgY3VSiVsn

Malware Config

Extracted

Family

redline

Botnet

dubna

C2

193.233.20.11:4131

Attributes
  • auth_value

    f324b1269094b7462e56bab025f032f4

Extracted

Family

redline

Botnet

crypt

C2

176.113.115.17:4132

Attributes
  • auth_value

    407e05c9b3a74d99a20f90b091547bd6

Signatures

  • 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.

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 6 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 SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecfc9574a8374cbcb50a05df9af0ac5ac4d6247e0434548867e18a467fdda2f4.exe
    "C:\Users\Admin\AppData\Local\Temp\ecfc9574a8374cbcb50a05df9af0ac5ac4d6247e0434548867e18a467fdda2f4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4876
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkw69.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkw69.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4832
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhc65.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhc65.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4776
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\afs68.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\afs68.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1256
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bCI01.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bCI01.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4576
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cFS13.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cFS13.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 1320
          4⤵
          • Program crash
          PID:112
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkt78.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkt78.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2876 -ip 2876
    1⤵
      PID:5096

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkt78.exe
      Filesize

      283KB

      MD5

      457dcca2cfa8e1592521e4bc580d2097

      SHA1

      de855fa7934126fd1cde834b752999ebe79e367f

      SHA256

      54ce28a037eea87448e65bc25f8d3a38ddd4b4679516cc59899b77150aa46fcc

      SHA512

      d15709dd44e184612a86e7201c78887771e7cc062e8b4daf83c5bbf1d6dd74320e8c5058cde295d412d8e5b135f8686f8ed56aa9aa2a439b022319e6723bb752

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkt78.exe
      Filesize

      283KB

      MD5

      457dcca2cfa8e1592521e4bc580d2097

      SHA1

      de855fa7934126fd1cde834b752999ebe79e367f

      SHA256

      54ce28a037eea87448e65bc25f8d3a38ddd4b4679516cc59899b77150aa46fcc

      SHA512

      d15709dd44e184612a86e7201c78887771e7cc062e8b4daf83c5bbf1d6dd74320e8c5058cde295d412d8e5b135f8686f8ed56aa9aa2a439b022319e6723bb752

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkw69.exe
      Filesize

      533KB

      MD5

      e01375023cf173027afed87a31a236a2

      SHA1

      c34f08fb74a9c65880281930feb42331dbe0cc41

      SHA256

      816fbd0d96481e375d9c459dc6facfb3258c033745e9ec9bc0df45555e7d1ed4

      SHA512

      80418091b09b0568abc293e759bcbe5fdf49678fe51ac2f943e10f9007be26958401ab405bff246e930fe7a3cdbfc3a72f23fd1bd73c69ed4022485823b53ffd

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dkw69.exe
      Filesize

      533KB

      MD5

      e01375023cf173027afed87a31a236a2

      SHA1

      c34f08fb74a9c65880281930feb42331dbe0cc41

      SHA256

      816fbd0d96481e375d9c459dc6facfb3258c033745e9ec9bc0df45555e7d1ed4

      SHA512

      80418091b09b0568abc293e759bcbe5fdf49678fe51ac2f943e10f9007be26958401ab405bff246e930fe7a3cdbfc3a72f23fd1bd73c69ed4022485823b53ffd

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cFS13.exe
      Filesize

      294KB

      MD5

      9cb6d089c5dbcb55ff923bd6284fbcb7

      SHA1

      8c7b12dba74c380b009a0709ecc916bd724b2958

      SHA256

      b574767f81c77eee3e648805547b525692645f122b6bfd2461790c506ba7e339

      SHA512

      f9cdc7f8272ab230056534c587de70ecd41e62814c44f6861b50218237ab0142a3d2451cd1ab9058866eca5ca29db4558b76d2bbc668a333043b8e31bee5dfe3

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\cFS13.exe
      Filesize

      294KB

      MD5

      9cb6d089c5dbcb55ff923bd6284fbcb7

      SHA1

      8c7b12dba74c380b009a0709ecc916bd724b2958

      SHA256

      b574767f81c77eee3e648805547b525692645f122b6bfd2461790c506ba7e339

      SHA512

      f9cdc7f8272ab230056534c587de70ecd41e62814c44f6861b50218237ab0142a3d2451cd1ab9058866eca5ca29db4558b76d2bbc668a333043b8e31bee5dfe3

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhc65.exe
      Filesize

      202KB

      MD5

      1cf1aa71c805152b1e49d65fa15502b0

      SHA1

      c8cbe4faca8f10efe62d64b8c52edf4d84b8b9d2

      SHA256

      303a6ffa2e0f8e0a0db12ef102064970ec575a44ae3480d427695ab845d6867e

      SHA512

      d469e7b0e02b2b350fab8f8e67a084dd6756e7da88c056b37b762a381cf35f8654945423aed2bd4bdc8dbc8e41cddf26aa7c5cc026406a75862af3f27c786beb

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhc65.exe
      Filesize

      202KB

      MD5

      1cf1aa71c805152b1e49d65fa15502b0

      SHA1

      c8cbe4faca8f10efe62d64b8c52edf4d84b8b9d2

      SHA256

      303a6ffa2e0f8e0a0db12ef102064970ec575a44ae3480d427695ab845d6867e

      SHA512

      d469e7b0e02b2b350fab8f8e67a084dd6756e7da88c056b37b762a381cf35f8654945423aed2bd4bdc8dbc8e41cddf26aa7c5cc026406a75862af3f27c786beb

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\afs68.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\afs68.exe
      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bCI01.exe
      Filesize

      175KB

      MD5

      ef8079cf160510d0da7162bc08f753d8

      SHA1

      e786cc8bee83e4a37433ddccf9d3540e1f6533fe

      SHA256

      a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

      SHA512

      959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\bCI01.exe
      Filesize

      175KB

      MD5

      ef8079cf160510d0da7162bc08f753d8

      SHA1

      e786cc8bee83e4a37433ddccf9d3540e1f6533fe

      SHA256

      a6416ca607f03e7d02dd9c8b546113c71f421c0ba8438dafb941d25f8cf2c9e6

      SHA512

      959b08126358527b794a276f6e9f818250f888d9f108b46766f6c2e50186acc8f406acbeb94ca97b5f0e329b27f3851003446715d5d040b5c0fef4010011a2c3

    • memory/1256-142-0x00007FFB80490000-0x00007FFB80F51000-memory.dmp
      Filesize

      10.8MB

    • memory/1256-138-0x0000000000000000-mapping.dmp
    • memory/1256-141-0x0000000000D00000-0x0000000000D0A000-memory.dmp
      Filesize

      40KB

    • memory/1256-143-0x00007FFB80490000-0x00007FFB80F51000-memory.dmp
      Filesize

      10.8MB

    • memory/1256-144-0x00007FFB80490000-0x00007FFB80F51000-memory.dmp
      Filesize

      10.8MB

    • memory/2876-165-0x0000000000400000-0x0000000000579000-memory.dmp
      Filesize

      1.5MB

    • memory/2876-168-0x0000000000400000-0x0000000000579000-memory.dmp
      Filesize

      1.5MB

    • memory/2876-167-0x00000000005C4000-0x00000000005F3000-memory.dmp
      Filesize

      188KB

    • memory/2876-166-0x00000000005C4000-0x00000000005F3000-memory.dmp
      Filesize

      188KB

    • memory/2876-160-0x0000000000000000-mapping.dmp
    • memory/2876-164-0x00000000021F0000-0x000000000223B000-memory.dmp
      Filesize

      300KB

    • memory/2876-163-0x00000000005C4000-0x00000000005F3000-memory.dmp
      Filesize

      188KB

    • memory/3512-172-0x0000000000000000-mapping.dmp
    • memory/3512-173-0x0000000000510000-0x0000000000542000-memory.dmp
      Filesize

      200KB

    • memory/4576-152-0x0000000004E80000-0x0000000004EBC000-memory.dmp
      Filesize

      240KB

    • memory/4576-154-0x0000000006380000-0x0000000006924000-memory.dmp
      Filesize

      5.6MB

    • memory/4576-158-0x0000000006930000-0x0000000006AF2000-memory.dmp
      Filesize

      1.8MB

    • memory/4576-145-0x0000000000000000-mapping.dmp
    • memory/4576-157-0x0000000006050000-0x00000000060A0000-memory.dmp
      Filesize

      320KB

    • memory/4576-156-0x0000000005FD0000-0x0000000006046000-memory.dmp
      Filesize

      472KB

    • memory/4576-155-0x0000000005EB0000-0x0000000005F42000-memory.dmp
      Filesize

      584KB

    • memory/4576-159-0x0000000007030000-0x000000000755C000-memory.dmp
      Filesize

      5.2MB

    • memory/4576-153-0x0000000005C60000-0x0000000005CC6000-memory.dmp
      Filesize

      408KB

    • memory/4576-151-0x0000000004E00000-0x0000000004E12000-memory.dmp
      Filesize

      72KB

    • memory/4576-150-0x0000000004ED0000-0x0000000004FDA000-memory.dmp
      Filesize

      1.0MB

    • memory/4576-148-0x0000000000430000-0x0000000000462000-memory.dmp
      Filesize

      200KB

    • memory/4576-149-0x0000000005370000-0x0000000005988000-memory.dmp
      Filesize

      6.1MB

    • memory/4776-135-0x0000000000000000-mapping.dmp
    • memory/4832-132-0x0000000000000000-mapping.dmp
    • memory/5000-169-0x0000000000000000-mapping.dmp