Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 07:53

General

  • Target

    a1385fd741828c261356775c020f6bb10b2b8926069dbeedf53985d42707d8bf.exe

  • Size

    1.1MB

  • MD5

    1df6580a995989ea0cb8d5c35ff737e2

  • SHA1

    ebbfb339b894138c10c542fcfabb4b26e21fae3b

  • SHA256

    a1385fd741828c261356775c020f6bb10b2b8926069dbeedf53985d42707d8bf

  • SHA512

    a488bb387610ec56b1716ecb7fd8d3d6f272617df9ea2325c43d620355ceed5514cea5cda18cf0e7023bde733493e23cf2f37a7f66fd0a0b85e56101c136bf48

  • SSDEEP

    24576:8yCEH2Pui4A+s/ob83ocv8lP2CnRd/3ci53Vxlx:r72r4A+6s8YhP2GRd9VVn

Malware Config

Signatures

  • Detect Mystic stealer payload 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 13 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1385fd741828c261356775c020f6bb10b2b8926069dbeedf53985d42707d8bf.exe
    "C:\Users\Admin\AppData\Local\Temp\a1385fd741828c261356775c020f6bb10b2b8926069dbeedf53985d42707d8bf.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2240
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2684
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2612
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2776
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 268
                7⤵
                • Program crash
                PID:2476
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 268
              6⤵
              • Loads dropped DLL
              • Program crash
              PID:2528

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
    Filesize

    1.0MB

    MD5

    eff3282f20178ce92e2f236a9652733d

    SHA1

    40f6801700aae2d528852886036e81aefc054390

    SHA256

    c5673cc3c3ae9790389381ff1ea25c980c3e9c4c812634b8f9442224de70c95b

    SHA512

    b449c5c27131a5e2308dd99da78694af892b3cff622483e30d344c858535a6159a02ae1dff2096c6f3b761179df90b98ebe6d5d3f94a7150811f498b6034da01

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
    Filesize

    1.0MB

    MD5

    eff3282f20178ce92e2f236a9652733d

    SHA1

    40f6801700aae2d528852886036e81aefc054390

    SHA256

    c5673cc3c3ae9790389381ff1ea25c980c3e9c4c812634b8f9442224de70c95b

    SHA512

    b449c5c27131a5e2308dd99da78694af892b3cff622483e30d344c858535a6159a02ae1dff2096c6f3b761179df90b98ebe6d5d3f94a7150811f498b6034da01

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
    Filesize

    675KB

    MD5

    1ff91772fbc577fcbc22adc0698cb32b

    SHA1

    ca0f6e413565cc9821531fec29022bde7a7b13c4

    SHA256

    7bf0d15d752e939973883010a6ceea5accfde4a68aa4efd02a5b857c3d26d40b

    SHA512

    5ec7ffaa8b8db26f02dd499224812850ead59318b7b58c18fdc751f38ec471fe66b5a9f49ef016af889504c24d2a1a36638007746ed7985ebf8c5ad742e66b63

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
    Filesize

    675KB

    MD5

    1ff91772fbc577fcbc22adc0698cb32b

    SHA1

    ca0f6e413565cc9821531fec29022bde7a7b13c4

    SHA256

    7bf0d15d752e939973883010a6ceea5accfde4a68aa4efd02a5b857c3d26d40b

    SHA512

    5ec7ffaa8b8db26f02dd499224812850ead59318b7b58c18fdc751f38ec471fe66b5a9f49ef016af889504c24d2a1a36638007746ed7985ebf8c5ad742e66b63

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
    Filesize

    509KB

    MD5

    db6340dc329f7a3ca138eea77cb68d3c

    SHA1

    c46a6d5522656915dd5a989da8015da34b6defde

    SHA256

    aa9cfad00fbe9449865cdbd51e72f6c736ecb57f385fa046e9ffcca8eddbd051

    SHA512

    cf2c2727fb4a1a71e70caf41282336a80104402392e51376eb282beafbe68c85da8eb01d11263e3ce2084d9cf6b4332dc0e2209929ac2ae152f28c582116e057

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
    Filesize

    509KB

    MD5

    db6340dc329f7a3ca138eea77cb68d3c

    SHA1

    c46a6d5522656915dd5a989da8015da34b6defde

    SHA256

    aa9cfad00fbe9449865cdbd51e72f6c736ecb57f385fa046e9ffcca8eddbd051

    SHA512

    cf2c2727fb4a1a71e70caf41282336a80104402392e51376eb282beafbe68c85da8eb01d11263e3ce2084d9cf6b4332dc0e2209929ac2ae152f28c582116e057

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
    Filesize

    1.0MB

    MD5

    eff3282f20178ce92e2f236a9652733d

    SHA1

    40f6801700aae2d528852886036e81aefc054390

    SHA256

    c5673cc3c3ae9790389381ff1ea25c980c3e9c4c812634b8f9442224de70c95b

    SHA512

    b449c5c27131a5e2308dd99da78694af892b3cff622483e30d344c858535a6159a02ae1dff2096c6f3b761179df90b98ebe6d5d3f94a7150811f498b6034da01

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\x6821480.exe
    Filesize

    1.0MB

    MD5

    eff3282f20178ce92e2f236a9652733d

    SHA1

    40f6801700aae2d528852886036e81aefc054390

    SHA256

    c5673cc3c3ae9790389381ff1ea25c980c3e9c4c812634b8f9442224de70c95b

    SHA512

    b449c5c27131a5e2308dd99da78694af892b3cff622483e30d344c858535a6159a02ae1dff2096c6f3b761179df90b98ebe6d5d3f94a7150811f498b6034da01

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
    Filesize

    675KB

    MD5

    1ff91772fbc577fcbc22adc0698cb32b

    SHA1

    ca0f6e413565cc9821531fec29022bde7a7b13c4

    SHA256

    7bf0d15d752e939973883010a6ceea5accfde4a68aa4efd02a5b857c3d26d40b

    SHA512

    5ec7ffaa8b8db26f02dd499224812850ead59318b7b58c18fdc751f38ec471fe66b5a9f49ef016af889504c24d2a1a36638007746ed7985ebf8c5ad742e66b63

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\x5073654.exe
    Filesize

    675KB

    MD5

    1ff91772fbc577fcbc22adc0698cb32b

    SHA1

    ca0f6e413565cc9821531fec29022bde7a7b13c4

    SHA256

    7bf0d15d752e939973883010a6ceea5accfde4a68aa4efd02a5b857c3d26d40b

    SHA512

    5ec7ffaa8b8db26f02dd499224812850ead59318b7b58c18fdc751f38ec471fe66b5a9f49ef016af889504c24d2a1a36638007746ed7985ebf8c5ad742e66b63

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
    Filesize

    509KB

    MD5

    db6340dc329f7a3ca138eea77cb68d3c

    SHA1

    c46a6d5522656915dd5a989da8015da34b6defde

    SHA256

    aa9cfad00fbe9449865cdbd51e72f6c736ecb57f385fa046e9ffcca8eddbd051

    SHA512

    cf2c2727fb4a1a71e70caf41282336a80104402392e51376eb282beafbe68c85da8eb01d11263e3ce2084d9cf6b4332dc0e2209929ac2ae152f28c582116e057

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\x3665401.exe
    Filesize

    509KB

    MD5

    db6340dc329f7a3ca138eea77cb68d3c

    SHA1

    c46a6d5522656915dd5a989da8015da34b6defde

    SHA256

    aa9cfad00fbe9449865cdbd51e72f6c736ecb57f385fa046e9ffcca8eddbd051

    SHA512

    cf2c2727fb4a1a71e70caf41282336a80104402392e51376eb282beafbe68c85da8eb01d11263e3ce2084d9cf6b4332dc0e2209929ac2ae152f28c582116e057

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\g2690086.exe
    Filesize

    1016KB

    MD5

    689c0e063648a337b2dfa98ec0f6b348

    SHA1

    ab820d06a740b02554fbe56718fc412dc0e598c0

    SHA256

    8b5e36ac7e0f5b4da3aa68da48b0961ab22a93ebde31d0f562462766bba27bc2

    SHA512

    afbd2693f58f980bdb8490ec840816788aedc903c407dc36226054b1215631d42955906f16309d0d139c375e798ad5e8f700aeae43331c880942b87aa8e76263

  • memory/2776-50-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-49-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2776-43-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-47-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-52-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-54-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-48-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-46-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-45-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2776-44-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB