Resubmissions

15-04-2023 04:22

230415-ey8vzaee31 8

15-04-2023 04:16

230415-ev4f3sda37 8

Analysis

  • max time kernel
    236s
  • max time network
    199s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2023 04:16

General

  • Target

    Setup for cm2demo_oWTv-t1.exe

  • Size

    1.7MB

  • MD5

    99a9fbd5fee72ce51585309390a46717

  • SHA1

    ff39c56312090a909c2c0c82629c552a3b252a98

  • SHA256

    833064195b0c96bce9a8c00dc95df6bd9fce1092c1260ba0e877810bfc44b0aa

  • SHA512

    97f9a98fb48c8281818163d3dbe66fa246e1fe6a5a67f15175419992b0ca389cbe086e457177c21ce9c99ff05a1e0b508812cdf30220090a438dd8c94f73c6b7

  • SSDEEP

    24576:R4nXubIQGyxbPV0db26Wmd0l4sv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdO7:Rqe3f61mZSffPMWrQ0ZkA

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 14 IoCs
  • Script User-Agent 3 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup for cm2demo_oWTv-t1.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup for cm2demo_oWTv-t1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\is-7I68H.tmp\Setup for cm2demo_oWTv-t1.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-7I68H.tmp\Setup for cm2demo_oWTv-t1.tmp" /SL5="$70126,831488,831488,C:\Users\Admin\AppData\Local\Temp\Setup for cm2demo_oWTv-t1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe
        "C:\Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe" /LANG=en /NA=Rh85hR64
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1936
        • C:\Users\Admin\AppData\Local\Temp\is-9L9EE.tmp\file_oWTv-t1.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-9L9EE.tmp\file_oWTv-t1.tmp" /SL5="$201B6,1559708,780800,C:\Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe" /LANG=en /NA=Rh85hR64
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Modifies system certificate store
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0_extract\booking.com.exe
            "C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0_extract\booking.com.exe" /VERYSILENT
            5⤵
            • Executes dropped EXE
            PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    a74369feace8375d42c2b0dac0980f53

    SHA1

    4fc7cf13c18b312295b7142b26867fcbd61a6b19

    SHA256

    11c8c9493ecee25a7d662bc0e4d78a827a8b95b3020061649a28eca2edff4d11

    SHA512

    41feb46d6ae87fe3de04d769814fb673f91b8ef11eca140e4ab71832ce87d0b897d5a83a7d4b8739e6db36240f6bf28c759792b5d2453f5194e37aa173160c50

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    b144f5ec3d4b7a72677ae957ffa71cf9

    SHA1

    fd95935b3c9b02e6d710d3987f7cb2870874258f

    SHA256

    495e49a0967f461f989cc2dbe4248292086c70fd00d46f11ad0e0203cf1c0190

    SHA512

    3e272141a0fd786f384814aedac7d017494d7a3b21b5bb758bf4256bbe0e28a5cfca9d653ed9f0d8e6ac1f62764161273a948e1ba597bb082cc6d16bc6900ca9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    342B

    MD5

    7e8c1b7ecbdf12e8749a113dd2c4f3f0

    SHA1

    39dd504e9e8e894c30fe21ecd98fa7f278f8893e

    SHA256

    0c3ed8617bcb363956e1b40174228cc801d798af55ccad594b9fba8907cf1b43

    SHA512

    8766bd5830b41d749498da9629e47b22670741a67e2e4ac5d80cab440f38795de20ccea05cda6bbdaceb788d885ef79461206130a159e058a86d2771edd11056

  • C:\Users\Admin\AppData\Local\Temp\Tar295A.tmp
    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe
    Filesize

    2.3MB

    MD5

    bcf79c6ac6046082c712d5884ab690e2

    SHA1

    83bd26f0db64a38e01fdaf85872dd91db9a422eb

    SHA256

    98ab6d6cef5d69b67aaa74c3319f96976a28aef9547a7171c3ff9fa074384f27

    SHA512

    f2bf2aab51adea108396f0ad4b5b1af0a634dd5fed7838912bee1b31e23a11918bf569499dc4e7bdb870e5f1fff1aa3fb578e689f00f537c97fd38ca4de63f44

  • C:\Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe
    Filesize

    2.3MB

    MD5

    bcf79c6ac6046082c712d5884ab690e2

    SHA1

    83bd26f0db64a38e01fdaf85872dd91db9a422eb

    SHA256

    98ab6d6cef5d69b67aaa74c3319f96976a28aef9547a7171c3ff9fa074384f27

    SHA512

    f2bf2aab51adea108396f0ad4b5b1af0a634dd5fed7838912bee1b31e23a11918bf569499dc4e7bdb870e5f1fff1aa3fb578e689f00f537c97fd38ca4de63f44

  • C:\Users\Admin\AppData\Local\Temp\is-7I68H.tmp\Setup for cm2demo_oWTv-t1.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • C:\Users\Admin\AppData\Local\Temp\is-9L9EE.tmp\file_oWTv-t1.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\Booking_com.png
    Filesize

    148KB

    MD5

    0c3679093b2b4b5eeaa107a0b4441a7f

    SHA1

    179cabf5c3e647fe4a0d68e61b1473af5a803f31

    SHA256

    b781277a2aa83f02bfa16e1ec60bef3227c79082ae22385c356e0b87d225f30b

    SHA512

    66334fe661226b0dbcad18b7cc5b4c63249a7c939f6b07e4d84587022837142274b4287e6faa051952bef10d352dcc77786f677842f82dfabdf4b349f6d70303

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\finish.png
    Filesize

    2KB

    MD5

    7afaf9e0e99fd80fa1023a77524f5587

    SHA1

    e20c9c27691810b388c73d2ca3e67e109c2b69b6

    SHA256

    760b70612bb9bd967c2d15a5133a50ccce8c0bd46a6464d76875298dcc45dea0

    SHA512

    a090626e7b7f67fb5aa207aae0cf65c3a27e1b85e22c9728eee7475bd9bb7375ca93baaecc662473f9a427b4f505d55f2c61ba36bda460e4e6947fe22eedb044

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\mainlogo.png
    Filesize

    7KB

    MD5

    c552e74a342cb35fa8b45ed4190c1609

    SHA1

    1e914f5a79af3bc1dc990a9f2d1ebdb41edc82d5

    SHA256

    d386a1220f26de84d3b9a220db6a058e94d82b2403c8f70103ee20fa5579407f

    SHA512

    80837907c8febe9306b149114b637b491bedede7c49d426e6ce9c1b416014c4beb4de57da1bef39a3783a345971b92532ce374f9138255588ebae6d15232a081

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0.zip
    Filesize

    42.3MB

    MD5

    a6236fe786cfd405d7dd6c5577478655

    SHA1

    fcb0aca7f5ecf530a1f21e2e3c6e2a21cbf13202

    SHA256

    438101d9a184e61d6ffb6e84b18adadb9ba9cf87d54c8c152c8f6193a5b0a272

    SHA512

    2a259f41619e3324fede19931a600d6fa29522402ec83fe695945676e0f1b17a32739c02c676b95ae73dd0e509114011cba0bdebcebeda643accf24645b90f50

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0_extract\booking.com.exe
    Filesize

    42.9MB

    MD5

    056f5a50acb5e5708822dcddc7c74bcf

    SHA1

    b9b18c4db2250740ac6cde056350864baa259e01

    SHA256

    8d8347df5bbe962aa966288489a01a9a95d2ded4551d9c3c56306e19f712313c

    SHA512

    edfe23eec1e855309d780feaaf7e59fcf7491441ca489d8f2bfc423a673e04438191c75be6f122fb5bf3c157f739fee864d4f83d14f77b0e7973496473441450

  • C:\Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0_extract\booking.com.exe
    Filesize

    42.9MB

    MD5

    056f5a50acb5e5708822dcddc7c74bcf

    SHA1

    b9b18c4db2250740ac6cde056350864baa259e01

    SHA256

    8d8347df5bbe962aa966288489a01a9a95d2ded4551d9c3c56306e19f712313c

    SHA512

    edfe23eec1e855309d780feaaf7e59fcf7491441ca489d8f2bfc423a673e04438191c75be6f122fb5bf3c157f739fee864d4f83d14f77b0e7973496473441450

  • C:\Users\Admin\Downloads\cm2demo.zip
    Filesize

    1.9MB

    MD5

    54803cf42ba84f17ad77eb066a1b51f5

    SHA1

    130b1736fc5c5d32f17829b605209dbb7bf034a2

    SHA256

    cdb7930dcb5e99eac92b8ddd8ab7f8301f07a68b3ea1ced8067141943fc2484e

    SHA512

    d67b8b17fcf2794d3298ea5e3ba278333164caa39ccef55e284f27febdadf442ae52578f632b4c75f53c6e5efe7a4948036875fcdeac5aa83fea82720cd3ce20

  • \Users\Admin\AppData\Local\Temp\is-7F8I9.tmp\file_oWTv-t1.exe
    Filesize

    2.3MB

    MD5

    bcf79c6ac6046082c712d5884ab690e2

    SHA1

    83bd26f0db64a38e01fdaf85872dd91db9a422eb

    SHA256

    98ab6d6cef5d69b67aaa74c3319f96976a28aef9547a7171c3ff9fa074384f27

    SHA512

    f2bf2aab51adea108396f0ad4b5b1af0a634dd5fed7838912bee1b31e23a11918bf569499dc4e7bdb870e5f1fff1aa3fb578e689f00f537c97fd38ca4de63f44

  • \Users\Admin\AppData\Local\Temp\is-7I68H.tmp\Setup for cm2demo_oWTv-t1.tmp
    Filesize

    3.0MB

    MD5

    0c229cd26910820581b5809c62fe5619

    SHA1

    28c0630385b21f29e3e2bcc34865e5d15726eaa0

    SHA256

    abfa49a915d2e0a82561ca440365e6a2d59f228533b56a8f78addf000a1081b3

    SHA512

    b8ff3dc65f7c0e03721572af738ec4886ba895dc70c1a41a3ce8c8abe0946d167cec71913017fd11d5892452db761ea88901a5a09a681ae779dd531edbb83a2a

  • \Users\Admin\AppData\Local\Temp\is-9L9EE.tmp\file_oWTv-t1.tmp
    Filesize

    2.9MB

    MD5

    623a3abd7b318e1f410b1e12a42c7b71

    SHA1

    88e34041850ec4019dae469adc608e867b936d21

    SHA256

    fe1a4555d18617532248d2eaa8d3fcc2c74182f994a964a62cf418295e8554d3

    SHA512

    9afea88e4617e0f11416c2a2c416a6aa2d5d1f702d98d2cc223b399736191a6d002d1b717020ca6aae09e835c6356b7ddafad71e101dacab15967d89a105e391

  • \Users\Admin\AppData\Local\Temp\is-CH75E.tmp\Helper.dll
    Filesize

    2.0MB

    MD5

    4eb0347e66fa465f602e52c03e5c0b4b

    SHA1

    fdfedb72614d10766565b7f12ab87f1fdca3ea81

    SHA256

    c73e53cbb7b98feafe27cc7de8fdad51df438e2235e91891461c5123888f73cc

    SHA512

    4c909a451059628119f92b2f0c8bcd67b31f63b57d5339b6ce8fd930be5c9baf261339fdd9da820321be497df8889ce7594b7bfaadbaa43c694156651bf6c1fd

  • \Users\Admin\AppData\Local\Temp\is-CH75E.tmp\botva2.dll
    Filesize

    37KB

    MD5

    67965a5957a61867d661f05ae1f4773e

    SHA1

    f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

    SHA256

    450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

    SHA512

    c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

  • \Users\Admin\AppData\Local\Temp\is-CH75E.tmp\prod0_extract\booking.com.exe
    Filesize

    42.9MB

    MD5

    056f5a50acb5e5708822dcddc7c74bcf

    SHA1

    b9b18c4db2250740ac6cde056350864baa259e01

    SHA256

    8d8347df5bbe962aa966288489a01a9a95d2ded4551d9c3c56306e19f712313c

    SHA512

    edfe23eec1e855309d780feaaf7e59fcf7491441ca489d8f2bfc423a673e04438191c75be6f122fb5bf3c157f739fee864d4f83d14f77b0e7973496473441450

  • memory/432-386-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/1712-276-0x0000000007680000-0x000000000768F000-memory.dmp
    Filesize

    60KB

  • memory/1712-210-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1712-228-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1712-216-0x0000000007680000-0x000000000768F000-memory.dmp
    Filesize

    60KB

  • memory/1712-227-0x0000000007680000-0x000000000768F000-memory.dmp
    Filesize

    60KB

  • memory/1712-275-0x0000000000400000-0x00000000006EE000-memory.dmp
    Filesize

    2.9MB

  • memory/1712-368-0x0000000000400000-0x00000000006EE000-memory.dmp
    Filesize

    2.9MB

  • memory/1712-226-0x0000000000400000-0x00000000006EE000-memory.dmp
    Filesize

    2.9MB

  • memory/1936-225-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1936-192-0x0000000000400000-0x00000000004CC000-memory.dmp
    Filesize

    816KB

  • memory/1944-224-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/1944-222-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1944-239-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/1944-185-0x0000000000400000-0x000000000071A000-memory.dmp
    Filesize

    3.1MB

  • memory/1944-61-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1996-54-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/1996-241-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/1996-184-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB