Analysis

  • max time kernel
    131s
  • max time network
    189s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-02-2024 13:35

General

  • Target

    ac01655c93b0e07eadfa2c8dc5d436bb.xlsm

  • Size

    249KB

  • MD5

    ac01655c93b0e07eadfa2c8dc5d436bb

  • SHA1

    3da449447291121191cd82199118702a2f944f7a

  • SHA256

    2f359226395840e8367df9f593430bf94358172b4ec832a493bbc66c93f74095

  • SHA512

    f6512538e704ef69819d748443478cb45b5c8f24647cd59755fef1bab01e3916dfc621857221b98f1db139a2b591e1e30d9162357e61374185aab534937ff73a

  • SSDEEP

    6144:SetZbAPPimNA/kjoitkOes4Otx/EkqB+JbAK:HtZbAPDNAcMyTtab4kK

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 8 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ac01655c93b0e07eadfa2c8dc5d436bb.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\IYqITJv.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies system certificate store
      PID:1876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\IYqITJv.sct

    Filesize

    25KB

    MD5

    f533b7802fb061541f5f206ab7957b92

    SHA1

    c9c88794ab63018009786f601722f103d30b9c00

    SHA256

    5b825f606dfc7e67d23c00233216d5043241d6f014152825ad9eb690699e620d

    SHA512

    c6a961cffbf627a2d993468276ddb949714562935e8ea45fe154733ae248b120e258756c5020af5f9bee2b9598ddb4614d250200cfb8fbf22aae5540aa5f23dc

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

    Filesize

    67KB

    MD5

    753df6889fd7410a2e9fe333da83a429

    SHA1

    3c425f16e8267186061dd48ac1c77c122962456e

    SHA256

    b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

    SHA512

    9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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

    Filesize

    344B

    MD5

    5d4cd1492b26302f0683bd096784749e

    SHA1

    fc5e4ad84e547dad388babdf8ac355f10692f425

    SHA256

    dfb576f9624740aaf4c14194b44769567537a85255c993325b58d1d146ec3b60

    SHA512

    0b673125847209d27d00538c8ae4c87db7e552edb4f633dc7bc8c429a9e899e7c69feada33bf898fc7f0ff3991192aac5b25d4a396707c0c62d36910bcac0373

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

    Filesize

    344B

    MD5

    5b560115139a4929555b466182fdb806

    SHA1

    a64e571f30de04dad102da81f5f836780879314f

    SHA256

    d81f59a85cba47adcb70ab0a5a97ddfb7e3c226d52cb39bef003dbf6e6c82663

    SHA512

    a048f249dfa451c95615f229bc59e4fab3a934ecb0b4e52018b8a5cd4a59b1a61f302114da49a69fe3512abb0cd46ba3fbe4ddff2ee6de84933cb47857a17ce3

  • C:\Users\Admin\AppData\Local\Temp\Tar5374.tmp

    Filesize

    175KB

    MD5

    dd73cead4b93366cf3465c8cd32e2796

    SHA1

    74546226dfe9ceb8184651e920d1dbfb432b314e

    SHA256

    a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

    SHA512

    ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

  • memory/2704-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2704-1-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB

  • memory/2704-155-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB

  • memory/2704-162-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2704-172-0x00000000724CD000-0x00000000724D8000-memory.dmp

    Filesize

    44KB