Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 15:01

General

  • Target

    3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe

  • Size

    2.0MB

  • MD5

    47478a27fbb45a109a358c1dfd1bb59f

  • SHA1

    2cfbae82c43efc2bcba9a66b22d189f9b755ba18

  • SHA256

    3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21

  • SHA512

    fe160bd04947c413f923f0f9a8beb7f6bcd126e20901b894747ba02c5cdbd73b0f3201a0e834d03582a9a89d58e141fb3b755445226e839995fc6aca64e0e85a

  • SSDEEP

    49152:I7mHzIIKgCFo8CLNJV0Xz1BR7odXC7dovTjM+XKgfvoYMAPd8:BHzInDFo8CLNJVwz1BJo3bjMNkAYJPd8

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Program crash 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3440
      • C:\Users\Admin\AppData\Local\Temp\3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe
        "C:\Users\Admin\AppData\Local\Temp\3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:216
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5A84.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2068
          • C:\Users\Admin\AppData\Local\Temp\3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe
            "C:\Users\Admin\AppData\Local\Temp\3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe"
            4⤵
            • Executes dropped EXE
            PID:3588
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 296
              5⤵
              • Program crash
              PID:1792
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 316
              5⤵
              • Program crash
              PID:4648
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2480
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2180
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3588 -ip 3588
        1⤵
          PID:2024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3588 -ip 3588
          1⤵
            PID:2560

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

                  Filesize

                  251KB

                  MD5

                  168681c876bdc301911ce24b47935282

                  SHA1

                  a8913de7eee059f1c465c56282ec2ef7a2abcc09

                  SHA256

                  41c1720cd5458ab7a50f91ab38e9a13bea2941eb09b9a248809f9fc4369976f9

                  SHA512

                  7fbb29dce92283c2d9a70f2915c6ce53c4e0668d33e0c4099d557c5ad345c186917e9459f05eb6b4b901f9bbf707f671e50f980991b39856d05d33b18aedcdcd

                • C:\Program Files\7-Zip\7z.exe

                  Filesize

                  570KB

                  MD5

                  aaaacb40bb946f7af415308aa56072d5

                  SHA1

                  353a6de43fa05089bb281dd76dacabf37a4a97b2

                  SHA256

                  ef5f717e92cb21dc5cbdf61b55b685d1476d50cec0966a13383d7fb64ccfc8e3

                  SHA512

                  f013c4e925a285132d27c4d4d720b62d068bdf4d034d601ac66c2bb92b1a5d329ec7390a745761b2620dad33502128ee41efb47f8fcc629418a1975307596251

                • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

                  Filesize

                  481KB

                  MD5

                  1db5b390daa2d070657fbdb4f5d2cc55

                  SHA1

                  77e633e49df484b827080753514cc376749b0ceb

                  SHA256

                  d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad

                  SHA512

                  68aa0152f5aae79a146c1813915fd16ec5454b285bd1781370923f97d6c147d53684192f7f4161e5c1a340959ec432ecaac127b0abe7d08f70c387e08ee4f617

                • C:\Users\Admin\AppData\Local\Temp\$$a5A84.bat

                  Filesize

                  722B

                  MD5

                  cfcff5aa01562ad21a9e41147b937af9

                  SHA1

                  c0408ee301ad06646cd8135aa9b60adca429ad45

                  SHA256

                  679219b388085e99c59cc5160e58706b8f10c108d64a29f3ad86c231b1cb76d2

                  SHA512

                  7aede8093226e3cb7ed34fa63d99997f95d36c7eea43af27d331714f82426a4077a303c57dc83c3bdbbcb3bbd72bf0f3d3e39521e9c8371d3aee80afe83e4770

                • C:\Users\Admin\AppData\Local\Temp\3636100f980c09f821910719cf94d022abe0404de4007f89f91dab6099b69a21.exe.exe

                  Filesize

                  1.9MB

                  MD5

                  eb2dc25edf2cea3a7f605ba3a4930a34

                  SHA1

                  466e949cb40ff07c53f1944f336f9eac95009b75

                  SHA256

                  19c917b73e9e46a3c83822eef73a35657b185128bb4f40f23902561acc2358ef

                  SHA512

                  2447a9e686d2b9591c6ba5fa57de81ecd35def46a6dc970bcb790bb5e0fcad2fc04aac557ade4f515fc6c6d74deaf1bf214e06a1109419fac23c6ee7c517ea58

                • C:\Windows\Logo1_.exe

                  Filesize

                  26KB

                  MD5

                  9c931e087c97a0d30e9ee37113c55e69

                  SHA1

                  7c116b995922457b33cdd7df52c6597ff3783a0b

                  SHA256

                  ac707b6501854b39b421092a2b641d279abb66ae9b5312f8f1d6c6c9185dd164

                  SHA512

                  fb7dca91f8cefa0ace5943009efe1ed6d54732e64279d689d8d8b96445cc372989b033595f5727bc06edd8607020d99063f4a2ff268d7c1c38ea9dbbb3e30fd6

                • F:\$RECYCLE.BIN\S-1-5-21-983155329-280873152-1838004294-1000\_desktop.ini

                  Filesize

                  9B

                  MD5

                  b2c5a70d0c0f7486eb7bcd691664669b

                  SHA1

                  0be0eb4afb44c300b16181ffb981db5d2e6563e8

                  SHA256

                  3369ac2d9926df9466c914d7bafae58764696319b1584f9f83202267db0f8799

                  SHA512

                  5d9ec62e9872989b928f4372fe35a4fec4ab6ae308a2d0191b487cfa1bdca276bb5ac54c7d3ba59d081128dcfb40252e40089e03ca4600ee428714a322628d14

                • memory/216-0-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/216-9-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-38-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-29-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-43-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-12-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-1009-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-1176-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-27-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-4741-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB

                • memory/2480-20-0x0000000000400000-0x0000000000434000-memory.dmp

                  Filesize

                  208KB