Analysis

  • max time kernel
    130s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2024, 21:10

General

  • Target

    0a706a84e5e23d88ce20bcdccb89428123974d249b554814408f4e17be680f1f.exe

  • Size

    255KB

  • MD5

    4eabf20dfa743c705dd073bf1202abd0

  • SHA1

    387cd4b46dd10bbc8b73fd1d7c456b751e786966

  • SHA256

    0a706a84e5e23d88ce20bcdccb89428123974d249b554814408f4e17be680f1f

  • SHA512

    88e193fee676fb0b6bf81e55abe64fee74ffeafe778731c8ca8516c1aefdf6300f574a286f87e966840a62d60ac504d0812f907e5345fb47dfc5e01b0102120d

  • SSDEEP

    6144:9saocyLCn4X2jo9jPmrcNlz694qFkRxNU53aU:9tobM4Xn9Ppx6SgKU

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a706a84e5e23d88ce20bcdccb89428123974d249b554814408f4e17be680f1f.exe
    "C:\Users\Admin\AppData\Local\Temp\0a706a84e5e23d88ce20bcdccb89428123974d249b554814408f4e17be680f1f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\installer.exe ins.exe /dT131351444S /e5255738 /aaoao batch rename 22 /u5062d47f-b8cc-411a-9555-12ab5bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\ins.exe
        "C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\ins.exe" /dT131351444S /e5255738 /aaoao batch rename 22 /u5062d47f-b8cc-411a-9555-12ab5bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

    Filesize

    1KB

    MD5

    0a90b58f8f44eb22bada43e799d88124

    SHA1

    83b1f985773392d5ef714d9d3bb986800ef249a6

    SHA256

    f106992ecf017d55ba05b18a879c792b1d694ab26d87c915132bf2dc3c7e3036

    SHA512

    6e55e4a521ea9b3d8f638edd8463a610098555d9601db34d45cfb549f234ae90954a0a1800dfaa16ab4a3ba30d0db5235da97aefa75b58fe367ca2f9e00b6512

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    604B

    MD5

    fad26cf4b5ff9ce078f6924fdb2e033e

    SHA1

    89236938773cb3600622d4fc43074596cd688554

    SHA256

    c9b35141deca47383986c38073a08fee3a6cc7606ec0934b2cbdfc69eb455b2a

    SHA512

    c29850670047b3a32b275ca810a11d283203cd197eb86e9c8342e779219e6cc92eeff8ae475617bd2525c215af086286ce0577bdb448ddbf5243178eed1a66cd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    5B

    MD5

    5bfa51f3a417b98e7443eca90fc94703

    SHA1

    8c015d80b8a23f780bdd215dc842b0f5551f63bd

    SHA256

    bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

    SHA512

    4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1F39B5CFACECFDE48DB25BCA2231FAC6_F0E2901B5CB9DFCB03318B8D06C40A30

    Filesize

    412B

    MD5

    fd152df54c8e208823c1b20782c9f3eb

    SHA1

    befaab80920af8a7f87227ea15e98f099e914e9a

    SHA256

    38e66c8cc24b6e5d1324c7553da50ba890ba52cec0588be31e7250cf83a95849

    SHA512

    2457a5b0d115775d82d832825bb184f37232c92086e748cb2468ced0809e412a271513ca165a56f5911bbaca95f6dcb7b4504378a81d733639c9d2c9fbf40ee9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

    Filesize

    188B

    MD5

    d7e889d5c9c353d8bb4d947035add5aa

    SHA1

    a912a48569246710e20614be2ae703d5d62721c1

    SHA256

    8d17b797c7a9666434fa7d168e9fa72a7bf82e76baf15db2a71557f01b1a5fd8

    SHA512

    c34d99cf596ab339128ee0694f8457380b5056341d6c731583c5e4226974605e4e69d074bba0e8f2326323bd7261f046c2f1090bddbcad141820204350f535bc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

    Filesize

    404B

    MD5

    1d782569356a3cb96f39e37113981a5a

    SHA1

    e90782b278c9cb76dd5fa474727856d6eb16c4d2

    SHA256

    dfcbc24d62a2f3727ed74e984178b1d66fd389f45e025c0bb3c155dc6bcb569e

    SHA512

    3a93c8d3d21d5ce37195823bc95cffc34f501621e5a414975202ba424e1d84aa3362d304d6d3de7ed36795c567d6bf275fc7ccf33de52fb78d1e64091e9c2aae

  • C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\ins.exe

    Filesize

    155KB

    MD5

    150c2ea75d37ed3111f503adc5b6edb8

    SHA1

    87b2e37738818ddea292699ae26b2ac291ff1e7f

    SHA256

    cdaff7706a3c4d46ae4afdfd675fce9b06bcdbe616073b92dc28fbf58c0b6adf

    SHA512

    bcf0e1401d2f31b9bbd93bd3005716419c832c467fb76c21e40195ab38847022db387de49b4c7494780f04c511138631e2d8e1ac0e241bb835771bec72b815db

  • C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\installer.exe

    Filesize

    198KB

    MD5

    7950260db65cd017c5cf1b925d2fcd83

    SHA1

    6695ec132f781e2cabf880fe25068cbe0a75a761

    SHA256

    2b18da136c09287e5a8e29821b1301e11bfd0a8c7d5633b63a115681adbc9edc

    SHA512

    ed98e20dc18c4fcb249d8a057cf0856d3cd48012218e95053672e8113c310e8f524b33139a6064e5593551e69b5db04a958bbda1a9aeca4b850b34a31e9f5356

  • C:\Users\Admin\AppData\Local\Temp\nsu5342.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • memory/540-49-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/3308-26-0x000000001C060000-0x000000001C08E000-memory.dmp

    Filesize

    184KB

  • memory/3308-42-0x00007FFA95160000-0x00007FFA95B01000-memory.dmp

    Filesize

    9.6MB

  • memory/3308-30-0x00007FFA95160000-0x00007FFA95B01000-memory.dmp

    Filesize

    9.6MB

  • memory/3308-10-0x00007FFA95160000-0x00007FFA95B01000-memory.dmp

    Filesize

    9.6MB

  • memory/3308-9-0x00007FFA95415000-0x00007FFA95416000-memory.dmp

    Filesize

    4KB

  • memory/3704-45-0x0000000074AE0000-0x0000000075091000-memory.dmp

    Filesize

    5.7MB

  • memory/3704-44-0x0000000074AE0000-0x0000000075091000-memory.dmp

    Filesize

    5.7MB

  • memory/3704-43-0x0000000074AE2000-0x0000000074AE3000-memory.dmp

    Filesize

    4KB

  • memory/3704-57-0x0000000074AE0000-0x0000000075091000-memory.dmp

    Filesize

    5.7MB