Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 10:35

General

  • Target

    d78e728259d69b40a9211931c7c0f7d5a44c190a9667f9749773033a9d0ed70d.exe

  • Size

    586KB

  • MD5

    64066bbbeae79db1e3be237fa523f7cc

  • SHA1

    cf1cf4850ba93350a47430d26855a9b26d900ccf

  • SHA256

    d78e728259d69b40a9211931c7c0f7d5a44c190a9667f9749773033a9d0ed70d

  • SHA512

    805dbe050d45c8dba6125faf4f901780444b45892a93bc1280a1048592d3e74ca3fe9b281e5ec2c05e3a400acad3784be3e3d074adac69736528262fbcf19765

  • SSDEEP

    12288:MMrsRYyqTwczrXn3HXn3HXn3HXiyCSiyCSiyCSiyCSZp5JZp5JZp5JZVy90EpM1C:1y+7UrQynpQqJM9TlqNtDBH/Qy

Malware Config

Extracted

Family

redline

Botnet

diza

C2

83.97.73.126:19048

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

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 4 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
  • 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 behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d78e728259d69b40a9211931c7c0f7d5a44c190a9667f9749773033a9d0ed70d.exe
    "C:\Users\Admin\AppData\Local\Temp\d78e728259d69b40a9211931c7c0f7d5a44c190a9667f9749773033a9d0ed70d.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5001134.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5001134.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4079902.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4079902.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1180
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8250399.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8250399.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4908
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4487634.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4487634.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5001134.exe

    Filesize

    377KB

    MD5

    2325559eb37a391b5d3bc75585ec9a81

    SHA1

    c45260570f6fe28386026a8a65980574644d8b1d

    SHA256

    d0bc89425b47d76662898d144961795ff981582e8ea326831af90fe47351cbe3

    SHA512

    60237221cd025db3e9c07b38b722136995839ea3c11de395b7a06f06ecd7ad28cbecd07adac88258114bc58126ad004af8051b4a262dd932b29899620cce66b4

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y5001134.exe

    Filesize

    377KB

    MD5

    2325559eb37a391b5d3bc75585ec9a81

    SHA1

    c45260570f6fe28386026a8a65980574644d8b1d

    SHA256

    d0bc89425b47d76662898d144961795ff981582e8ea326831af90fe47351cbe3

    SHA512

    60237221cd025db3e9c07b38b722136995839ea3c11de395b7a06f06ecd7ad28cbecd07adac88258114bc58126ad004af8051b4a262dd932b29899620cce66b4

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4079902.exe

    Filesize

    206KB

    MD5

    049f79ff641b940b853c90b24ee7d306

    SHA1

    c12b7ad32cea60396dd09e0a03d27ddfca7a62d1

    SHA256

    aed097e79ae501bfc20e13002e4ab4f4324180c72e408a6207796d47c7cb3634

    SHA512

    e9d66bbd0cc1cd97a9be6c299e64d2646539ed3622d548dae99d17eb698b46f866fff49b896961996bb784591b1b7baf6df647eb0d6fc1ff8a4d127ed901c352

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y4079902.exe

    Filesize

    206KB

    MD5

    049f79ff641b940b853c90b24ee7d306

    SHA1

    c12b7ad32cea60396dd09e0a03d27ddfca7a62d1

    SHA256

    aed097e79ae501bfc20e13002e4ab4f4324180c72e408a6207796d47c7cb3634

    SHA512

    e9d66bbd0cc1cd97a9be6c299e64d2646539ed3622d548dae99d17eb698b46f866fff49b896961996bb784591b1b7baf6df647eb0d6fc1ff8a4d127ed901c352

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8250399.exe

    Filesize

    13KB

    MD5

    0a8ab530eaeefad1e6cd01b267132403

    SHA1

    5a9725d74860ab852355e92c2c00f4260249b2dc

    SHA256

    916c4bfc12519fc27050c4ff51ace34088b35b40753156946587fb8b926489e3

    SHA512

    64939e50725384beffdcafac83aa00137322785316075e47b82ad5029dd2c4f869e5d0cfd97a1a8c30cb87356ad730177646aa90e69c742d84396b8554af64d1

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\k8250399.exe

    Filesize

    13KB

    MD5

    0a8ab530eaeefad1e6cd01b267132403

    SHA1

    5a9725d74860ab852355e92c2c00f4260249b2dc

    SHA256

    916c4bfc12519fc27050c4ff51ace34088b35b40753156946587fb8b926489e3

    SHA512

    64939e50725384beffdcafac83aa00137322785316075e47b82ad5029dd2c4f869e5d0cfd97a1a8c30cb87356ad730177646aa90e69c742d84396b8554af64d1

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4487634.exe

    Filesize

    172KB

    MD5

    4911388803a0f3e4ada0368fca5609f9

    SHA1

    af762a0dcf1da5cd19e1455523e930190174e04b

    SHA256

    f9a6dc8715743e314b1ac665f2ce1d59da56898e421686f39bbb7dc27b6c422f

    SHA512

    59264d66723c5d558eea32c713a3e7550bd0e02665d9a5641b0d18676617998c4b1dd65a9b46072e2ff5b362bb17476f79cd8e6a450e61e108a657844fe51803

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\l4487634.exe

    Filesize

    172KB

    MD5

    4911388803a0f3e4ada0368fca5609f9

    SHA1

    af762a0dcf1da5cd19e1455523e930190174e04b

    SHA256

    f9a6dc8715743e314b1ac665f2ce1d59da56898e421686f39bbb7dc27b6c422f

    SHA512

    59264d66723c5d558eea32c713a3e7550bd0e02665d9a5641b0d18676617998c4b1dd65a9b46072e2ff5b362bb17476f79cd8e6a450e61e108a657844fe51803

  • memory/3924-160-0x000000000B320000-0x000000000B938000-memory.dmp

    Filesize

    6.1MB

  • memory/3924-165-0x000000000B0A0000-0x000000000B116000-memory.dmp

    Filesize

    472KB

  • memory/3924-172-0x000000000C570000-0x000000000C5C0000-memory.dmp

    Filesize

    320KB

  • memory/3924-161-0x000000000AE10000-0x000000000AF1A000-memory.dmp

    Filesize

    1.0MB

  • memory/3924-162-0x000000000AD30000-0x000000000AD42000-memory.dmp

    Filesize

    72KB

  • memory/3924-164-0x000000000AD90000-0x000000000ADCC000-memory.dmp

    Filesize

    240KB

  • memory/3924-163-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/3924-159-0x0000000000E70000-0x0000000000EA0000-memory.dmp

    Filesize

    192KB

  • memory/3924-166-0x000000000B1C0000-0x000000000B252000-memory.dmp

    Filesize

    584KB

  • memory/3924-167-0x000000000BEF0000-0x000000000C494000-memory.dmp

    Filesize

    5.6MB

  • memory/3924-168-0x000000000B260000-0x000000000B2C6000-memory.dmp

    Filesize

    408KB

  • memory/3924-169-0x000000000C670000-0x000000000C832000-memory.dmp

    Filesize

    1.8MB

  • memory/3924-170-0x000000000CD70000-0x000000000D29C000-memory.dmp

    Filesize

    5.2MB

  • memory/3924-171-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/4908-154-0x0000000000170000-0x000000000017A000-memory.dmp

    Filesize

    40KB