Analysis

  • max time kernel
    135s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2023 00:23

General

  • Target

    6621366ab968c96b05b12850e5bd603f060c887d8e66ddd6085b2398941279aa.exe

  • Size

    853KB

  • MD5

    45ce9ab5e1c02fc9dfed753454dba905

  • SHA1

    cf7eb56d9193ea8e36d9c48e76bb9a01286a82eb

  • SHA256

    6621366ab968c96b05b12850e5bd603f060c887d8e66ddd6085b2398941279aa

  • SHA512

    ceadf967436a0962ee8e7a7e0d73d0ae9d40cc01f54a9de8b23397c01f1de1dc3f136fdb8a4f7aabde545a4bd2dcc99aab42a8c9ec1237c23ea33d06d3ebf215

  • SSDEEP

    12288:ZMrQy90HkyriyFmOJEOzQa7TPgUSXA+bmw1TbHvCBRmyRMWt7O631PHeW5k:xyYkyKkEtq9GV2Rmyt7J1m

Malware Config

Extracted

Family

redline

Botnet

lupa

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a764aa41830c77712442516d143bc9c

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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6621366ab968c96b05b12850e5bd603f060c887d8e66ddd6085b2398941279aa.exe
    "C:\Users\Admin\AppData\Local\Temp\6621366ab968c96b05b12850e5bd603f060c887d8e66ddd6085b2398941279aa.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4742761.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4742761.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3356
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0626599.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0626599.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4432
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o2874539.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o2874539.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3704
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p1863095.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p1863095.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4742761.exe

    Filesize

    409KB

    MD5

    f6d7e6676401c3bc313cc1043bece4aa

    SHA1

    d7d514e2ab15e42eaab7a66225a5f57f0c7d8527

    SHA256

    20c74213c2254c8a1a504608d89d65cce8e8ba1b93b6f0db3c534997fa920def

    SHA512

    ff683ccd08058c25227146178e48da0e69e2592921cad442017bbeb57ff4506e7e68cd3fd5c59e5a39bc3eabe0f237a5f8b87b05e00873e8ee49b9c9d4c2b167

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z4742761.exe

    Filesize

    409KB

    MD5

    f6d7e6676401c3bc313cc1043bece4aa

    SHA1

    d7d514e2ab15e42eaab7a66225a5f57f0c7d8527

    SHA256

    20c74213c2254c8a1a504608d89d65cce8e8ba1b93b6f0db3c534997fa920def

    SHA512

    ff683ccd08058c25227146178e48da0e69e2592921cad442017bbeb57ff4506e7e68cd3fd5c59e5a39bc3eabe0f237a5f8b87b05e00873e8ee49b9c9d4c2b167

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0626599.exe

    Filesize

    206KB

    MD5

    07979015b29b4ed45f4d9066ef672b95

    SHA1

    57282acf150660cd337124c45f6171492ff1ff86

    SHA256

    921f8184317ea14bba331133fab5ebec2c8579960528f3740a8c4e424f5cd477

    SHA512

    9c96eee89177bff6034b2c30bb4fde8bebc1b3f38ec7be257f7bc129f211775047c85f134fd85113045b2de2b7d50312496579745bcdf65a4a5a21fddf832dce

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z0626599.exe

    Filesize

    206KB

    MD5

    07979015b29b4ed45f4d9066ef672b95

    SHA1

    57282acf150660cd337124c45f6171492ff1ff86

    SHA256

    921f8184317ea14bba331133fab5ebec2c8579960528f3740a8c4e424f5cd477

    SHA512

    9c96eee89177bff6034b2c30bb4fde8bebc1b3f38ec7be257f7bc129f211775047c85f134fd85113045b2de2b7d50312496579745bcdf65a4a5a21fddf832dce

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o2874539.exe

    Filesize

    11KB

    MD5

    c7cdb50197ee7e3e316cdcb2a76dd6a5

    SHA1

    1234b0652abbf6f2b7ecad11e33f1572fcb88912

    SHA256

    692ae1219a40b861b45d57a7a55f32a85da5ae6cce8cebbcb5211cd95e25fe59

    SHA512

    b750849be58c2562c29e774478a9a47e5a93855b29403ae029524a1c80d9a077370ff295abb2ba1c5654183bc5e755a70d3c90be17553ea61165d34627c14048

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o2874539.exe

    Filesize

    11KB

    MD5

    c7cdb50197ee7e3e316cdcb2a76dd6a5

    SHA1

    1234b0652abbf6f2b7ecad11e33f1572fcb88912

    SHA256

    692ae1219a40b861b45d57a7a55f32a85da5ae6cce8cebbcb5211cd95e25fe59

    SHA512

    b750849be58c2562c29e774478a9a47e5a93855b29403ae029524a1c80d9a077370ff295abb2ba1c5654183bc5e755a70d3c90be17553ea61165d34627c14048

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p1863095.exe

    Filesize

    172KB

    MD5

    7f1976ab9e57517dbdaa7890160a4dc8

    SHA1

    760f9d6dda78ab8d04c8c440ec7fcacb5a7a33a2

    SHA256

    35a994e0bba944145896871708e081c5df22f6576fde2702f174c716b10effb4

    SHA512

    523f897f668d2d30b3fe2c42c16323f98b11a44a70270b986416b3a5ae184ff82e3293291d978ac07fec674a121459c6d77a6e234a280a9d03bb039f6fad63c1

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p1863095.exe

    Filesize

    172KB

    MD5

    7f1976ab9e57517dbdaa7890160a4dc8

    SHA1

    760f9d6dda78ab8d04c8c440ec7fcacb5a7a33a2

    SHA256

    35a994e0bba944145896871708e081c5df22f6576fde2702f174c716b10effb4

    SHA512

    523f897f668d2d30b3fe2c42c16323f98b11a44a70270b986416b3a5ae184ff82e3293291d978ac07fec674a121459c6d77a6e234a280a9d03bb039f6fad63c1

  • memory/1684-160-0x000000000B370000-0x000000000B988000-memory.dmp

    Filesize

    6.1MB

  • memory/1684-165-0x000000000B170000-0x000000000B1E6000-memory.dmp

    Filesize

    472KB

  • memory/1684-172-0x000000000C0C0000-0x000000000C110000-memory.dmp

    Filesize

    320KB

  • memory/1684-161-0x000000000AEC0000-0x000000000AFCA000-memory.dmp

    Filesize

    1.0MB

  • memory/1684-162-0x000000000AE00000-0x000000000AE12000-memory.dmp

    Filesize

    72KB

  • memory/1684-163-0x000000000AE60000-0x000000000AE9C000-memory.dmp

    Filesize

    240KB

  • memory/1684-164-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/1684-159-0x0000000000F40000-0x0000000000F70000-memory.dmp

    Filesize

    192KB

  • memory/1684-166-0x000000000B290000-0x000000000B322000-memory.dmp

    Filesize

    584KB

  • memory/1684-167-0x000000000B1F0000-0x000000000B256000-memory.dmp

    Filesize

    408KB

  • memory/1684-168-0x000000000C340000-0x000000000C8E4000-memory.dmp

    Filesize

    5.6MB

  • memory/1684-169-0x000000000C8F0000-0x000000000CAB2000-memory.dmp

    Filesize

    1.8MB

  • memory/1684-170-0x000000000CFF0000-0x000000000D51C000-memory.dmp

    Filesize

    5.2MB

  • memory/1684-171-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/3704-154-0x0000000000CC0000-0x0000000000CCA000-memory.dmp

    Filesize

    40KB