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Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2023, 10:39

General

  • Target

    a5988a1af6261bca51896295c677028a9c9b175c5fa9338e2b5aee4bf6a859c0.exe

  • Size

    1.0MB

  • MD5

    2d612a2fe9ca705de28e3cbd4338da04

  • SHA1

    9b9a0343905bf7916b90758109a8ef445ed84bf4

  • SHA256

    a5988a1af6261bca51896295c677028a9c9b175c5fa9338e2b5aee4bf6a859c0

  • SHA512

    c3671673b75ad86341f14386101896b7e4bbdc4b589219c95e05d29a9919882adcb4c71f3ee3558604dc63c286d1c561268c0a1f6b507e689274871829b6916d

  • SSDEEP

    24576:uydh4YWW8ZWDqQRq5Zwr68kelpL4zNTXaCkaa3:9D4Yf8ADHRq5Zf8d7QTqFa

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

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.

  • RedLine payload 20 IoCs
  • Executes dropped EXE 7 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 2 IoCs
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5988a1af6261bca51896295c677028a9c9b175c5fa9338e2b5aee4bf6a859c0.exe
    "C:\Users\Admin\AppData\Local\Temp\a5988a1af6261bca51896295c677028a9c9b175c5fa9338e2b5aee4bf6a859c0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4196632.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4196632.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:656
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5214594.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5214594.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5611641.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5611641.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2916
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8649855.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8649855.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4880
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of UnmapMainImage
          PID:4644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4644 -s 12
            5⤵
            • Program crash
            PID:4264
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d5179042.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d5179042.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4644 -ip 4644
    1⤵
      PID:1380

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d5179042.exe

      Filesize

      285KB

      MD5

      23bdbbb0da18d57216e15f011f00171f

      SHA1

      aaca4cead903ed8e5f6e4983a73f7460681584b9

      SHA256

      cb557d0682a60e1a25d290965709bf4421d31502997ed7e2155c32fc11619504

      SHA512

      b8e87aca36da066e34689734ae1aaaf6cfd666d6abbe92df777fc52413788f497dbe1b685d59fe375dbfa64a6b5be6b594421a4ef67f6b925cf18fa88270ab7e

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\d5179042.exe

      Filesize

      285KB

      MD5

      23bdbbb0da18d57216e15f011f00171f

      SHA1

      aaca4cead903ed8e5f6e4983a73f7460681584b9

      SHA256

      cb557d0682a60e1a25d290965709bf4421d31502997ed7e2155c32fc11619504

      SHA512

      b8e87aca36da066e34689734ae1aaaf6cfd666d6abbe92df777fc52413788f497dbe1b685d59fe375dbfa64a6b5be6b594421a4ef67f6b925cf18fa88270ab7e

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4196632.exe

      Filesize

      750KB

      MD5

      57696692a60d8374fd4ddfaecb5d6c48

      SHA1

      15ecd869a08ddaee9738799f1370de3582baccbe

      SHA256

      eee64064759f3fb507395725bf943bbf97ce530e20dd460f9101dff46bdfd2c3

      SHA512

      19a7b10b99975914dadaba2fc703e0a697cb1b4a23de54f97751a00f6aafda453b42dab33ad4e5d63c7a6480ec4037051110c9b13abb664e1d423bef9a5a229d

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4196632.exe

      Filesize

      750KB

      MD5

      57696692a60d8374fd4ddfaecb5d6c48

      SHA1

      15ecd869a08ddaee9738799f1370de3582baccbe

      SHA256

      eee64064759f3fb507395725bf943bbf97ce530e20dd460f9101dff46bdfd2c3

      SHA512

      19a7b10b99975914dadaba2fc703e0a697cb1b4a23de54f97751a00f6aafda453b42dab33ad4e5d63c7a6480ec4037051110c9b13abb664e1d423bef9a5a229d

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe

      Filesize

      965KB

      MD5

      ce2d692c234f5a6d8bf1a095e65a4650

      SHA1

      7fdffbe4dfa7cfbb1c7227fe29d2a329a0aad7b8

      SHA256

      5fb55f14c946e608440a46852010a78fe539969cdf8229384b274a836ad80d35

      SHA512

      a4809c0be3c4aecc84d8be352d0ac0b2b475c2b3ad8a92414248b933442b5e786f61d9cf3746a97820deb54ae79c7c33aeafec81d683c9dee19fc62bc8321c50

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe

      Filesize

      965KB

      MD5

      ce2d692c234f5a6d8bf1a095e65a4650

      SHA1

      7fdffbe4dfa7cfbb1c7227fe29d2a329a0aad7b8

      SHA256

      5fb55f14c946e608440a46852010a78fe539969cdf8229384b274a836ad80d35

      SHA512

      a4809c0be3c4aecc84d8be352d0ac0b2b475c2b3ad8a92414248b933442b5e786f61d9cf3746a97820deb54ae79c7c33aeafec81d683c9dee19fc62bc8321c50

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\c9612819.exe

      Filesize

      965KB

      MD5

      ce2d692c234f5a6d8bf1a095e65a4650

      SHA1

      7fdffbe4dfa7cfbb1c7227fe29d2a329a0aad7b8

      SHA256

      5fb55f14c946e608440a46852010a78fe539969cdf8229384b274a836ad80d35

      SHA512

      a4809c0be3c4aecc84d8be352d0ac0b2b475c2b3ad8a92414248b933442b5e786f61d9cf3746a97820deb54ae79c7c33aeafec81d683c9dee19fc62bc8321c50

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5214594.exe

      Filesize

      306KB

      MD5

      4592905bb9f45a2359d6efbe0beb2bb1

      SHA1

      be136e6ec02125d6d452faf4e71e974dc81018e9

      SHA256

      bc7f7e1d681b5e9e1ddd05180b90a9d25e5d29728e8e9eb6db76e098686a55d5

      SHA512

      cdba6c30f22c595dd8dae3be3399ffe0bbb6d5475dd5a91007ac0c9a9941a61c7c074d5e8ddc302f6720c312d21e4da5cae8a4b9c1d7896c87b026a1e50a3fa8

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5214594.exe

      Filesize

      306KB

      MD5

      4592905bb9f45a2359d6efbe0beb2bb1

      SHA1

      be136e6ec02125d6d452faf4e71e974dc81018e9

      SHA256

      bc7f7e1d681b5e9e1ddd05180b90a9d25e5d29728e8e9eb6db76e098686a55d5

      SHA512

      cdba6c30f22c595dd8dae3be3399ffe0bbb6d5475dd5a91007ac0c9a9941a61c7c074d5e8ddc302f6720c312d21e4da5cae8a4b9c1d7896c87b026a1e50a3fa8

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5611641.exe

      Filesize

      185KB

      MD5

      1ea0c447a471b0a6b55c1576e6259267

      SHA1

      fa0829b71f3b385c69c081341d7a5b1c0cf5e86c

      SHA256

      1a3706802de84e097e589091b24b236930ee06a48f622dacae39dd89ff8e9a00

      SHA512

      d9906357bda2c0e5f14782add283566c9f9fef6b71fe2d20632b48924f32f90e185d5c7e542566fda1bfb8f4ad8fae112c685f15ffd62a79eaf7d6194d345c76

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a5611641.exe

      Filesize

      185KB

      MD5

      1ea0c447a471b0a6b55c1576e6259267

      SHA1

      fa0829b71f3b385c69c081341d7a5b1c0cf5e86c

      SHA256

      1a3706802de84e097e589091b24b236930ee06a48f622dacae39dd89ff8e9a00

      SHA512

      d9906357bda2c0e5f14782add283566c9f9fef6b71fe2d20632b48924f32f90e185d5c7e542566fda1bfb8f4ad8fae112c685f15ffd62a79eaf7d6194d345c76

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8649855.exe

      Filesize

      145KB

      MD5

      47d489d2adfe99c78fafbfedeffd4355

      SHA1

      6983b2fe32c3895c3ffd3d6266363118a8f2ee68

      SHA256

      80718b616a0454419487d4bdfbe98eca568cc95df11b4262d26d854bf1cba43d

      SHA512

      51e8dbb98bcdae718a2436950136507617623dba64e0f448b7620ce3ce8f54ce93d29df125ec1f3902e859073420c3023368aeea6180b61c1d739875dd219ef0

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b8649855.exe

      Filesize

      145KB

      MD5

      47d489d2adfe99c78fafbfedeffd4355

      SHA1

      6983b2fe32c3895c3ffd3d6266363118a8f2ee68

      SHA256

      80718b616a0454419487d4bdfbe98eca568cc95df11b4262d26d854bf1cba43d

      SHA512

      51e8dbb98bcdae718a2436950136507617623dba64e0f448b7620ce3ce8f54ce93d29df125ec1f3902e859073420c3023368aeea6180b61c1d739875dd219ef0

    • memory/2780-209-0x0000000000B60000-0x0000000000C58000-memory.dmp

      Filesize

      992KB

    • memory/2780-210-0x0000000007AA0000-0x0000000007AB0000-memory.dmp

      Filesize

      64KB

    • memory/2916-157-0x0000000004C60000-0x0000000005204000-memory.dmp

      Filesize

      5.6MB

    • memory/2916-187-0x0000000004C50000-0x0000000004C60000-memory.dmp

      Filesize

      64KB

    • memory/2916-171-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-173-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-175-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-177-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-179-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-181-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-183-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-185-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-186-0x0000000004C50000-0x0000000004C60000-memory.dmp

      Filesize

      64KB

    • memory/2916-169-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-167-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-165-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-163-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-159-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-161-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-158-0x0000000002650000-0x0000000002666000-memory.dmp

      Filesize

      88KB

    • memory/2916-156-0x0000000004C50000-0x0000000004C60000-memory.dmp

      Filesize

      64KB

    • memory/2916-155-0x0000000004C50000-0x0000000004C60000-memory.dmp

      Filesize

      64KB

    • memory/2916-154-0x0000000004C50000-0x0000000004C60000-memory.dmp

      Filesize

      64KB

    • memory/4492-224-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-244-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-1132-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-1131-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-1130-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-1128-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-343-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-339-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-341-0x0000000002400000-0x0000000002410000-memory.dmp

      Filesize

      64KB

    • memory/4492-250-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-248-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-246-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-242-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-240-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-218-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-217-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-220-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-222-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-238-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-226-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-228-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-230-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-232-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-234-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4492-236-0x0000000004F50000-0x0000000004F8C000-memory.dmp

      Filesize

      240KB

    • memory/4644-211-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/4880-196-0x0000000005220000-0x0000000005232000-memory.dmp

      Filesize

      72KB

    • memory/4880-194-0x0000000005330000-0x000000000543A000-memory.dmp

      Filesize

      1.0MB

    • memory/4880-200-0x0000000006290000-0x0000000006306000-memory.dmp

      Filesize

      472KB

    • memory/4880-195-0x0000000005590000-0x00000000055A0000-memory.dmp

      Filesize

      64KB

    • memory/4880-193-0x0000000005840000-0x0000000005E58000-memory.dmp

      Filesize

      6.1MB

    • memory/4880-192-0x0000000000990000-0x00000000009BA000-memory.dmp

      Filesize

      168KB

    • memory/4880-197-0x0000000005280000-0x00000000052BC000-memory.dmp

      Filesize

      240KB

    • memory/4880-198-0x0000000005740000-0x00000000057D2000-memory.dmp

      Filesize

      584KB

    • memory/4880-199-0x0000000005E60000-0x0000000005EC6000-memory.dmp

      Filesize

      408KB

    • memory/4880-204-0x0000000005590000-0x00000000055A0000-memory.dmp

      Filesize

      64KB

    • memory/4880-203-0x0000000007290000-0x00000000077BC000-memory.dmp

      Filesize

      5.2MB

    • memory/4880-202-0x0000000006B90000-0x0000000006D52000-memory.dmp

      Filesize

      1.8MB

    • memory/4880-201-0x0000000006310000-0x0000000006360000-memory.dmp

      Filesize

      320KB