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Overview

overview

10

Static

static

5

82e371fd28...6N.exe

windows7-x64

10

82e371fd28...6N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2024, 18:27

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General

  • Target

    82e371fd28959c3b08f8de9eba4b64f13f5497a0baa8555c5cbb21a058d59516N.exe

  • Size

    512KB

  • MD5

    9be0ba7b2e2ada8bf29f8460c451b1b0

  • SHA1

    763f4c9651b6b14b9c4e0763971aacc7b0ca7335

  • SHA256

    82e371fd28959c3b08f8de9eba4b64f13f5497a0baa8555c5cbb21a058d59516

  • SHA512

    10e9dcd5025e536133c8866eb331a29c2639463f0cce281bcbb7303672398122e33c3b7dcbaa3dd96a41f798fcb13026b915cbdae26e36d02ef629b29b4b6e4a

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj66:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5v

Score
10/10
discoveryevasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 9 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 13 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 19 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82e371fd28959c3b08f8de9eba4b64f13f5497a0baa8555c5cbb21a058d59516N.exe
    "C:\Users\Admin\AppData\Local\Temp\82e371fd28959c3b08f8de9eba4b64f13f5497a0baa8555c5cbb21a058d59516N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Windows\SysWOW64\kydsbnurhg.exe
      kydsbnurhg.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Windows\SysWOW64\euxpbnbd.exe
        C:\Windows\system32\euxpbnbd.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1072
    • C:\Windows\SysWOW64\chepgjnbzxlqvfi.exe
      chepgjnbzxlqvfi.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:840
    • C:\Windows\SysWOW64\euxpbnbd.exe
      euxpbnbd.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:556
    • C:\Windows\SysWOW64\hqjgveqlujdnz.exe
      hqjgveqlujdnz.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3324
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
    Filesize

    512KB

    MD5

    abbcb5db6370e104338079f106193a6f

    SHA1

    ff2b737ee86c4f48aff40b3e8cd44a66915b6bb4

    SHA256

    234d89b0a42f9d7bad0ca35eb7e9daf4552d2db69c008892a0ebb186f2afb709

    SHA512

    b9cc04e91acf028000a75182c54b53a3c6c646979a39a8a48f3af7a32e53cefff062cee1e9e39b85195a5d42c2295bddaab1e5f42e10b0367f92e5a1fcf44965

    Download Submit

  • C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
    Filesize

    512KB

    MD5

    a1d5f56b1402a58cc1ca99bda4ea80e1

    SHA1

    073f71f98b0ac1ea8c5b83f26de898a944e86745

    SHA256

    23195b8f60a9ea1b8f99eb9778bb7eeca7b0f3bec1bcb0c462455f3a876ca14d

    SHA512

    a428554d6e67e1636fbcf1178b1f2e8714f9f254784ff3a694228af03e8681eb7d02bcceb3eddcfbcaf7b40693edcaa3ca1a604a3aa234806b3857a46faa559f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\TCD7055.tmp\iso690.xsl
    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
    Filesize

    48B

    MD5

    862153fa19de4ccefd3304283838e695

    SHA1

    8f1a144d177357ab4587ebd5cc750e41b92327e5

    SHA256

    3a31969cb769463751245209bcada0a6f3c319a9b463a8264e8897662de43a35

    SHA512

    5f71f8cb0178667886a935d689dbc617e6669f2ebee772f4572705d9a01ac7b747405048ba0e5f834e8a41b0167ea0b385f7b23be524472cb6d43c8f456a526d

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
    Filesize

    24B

    MD5

    4fcb2a3ee025e4a10d21e1b154873fe2

    SHA1

    57658e2fa594b7d0b99d02e041d0f3418e58856b

    SHA256

    90bf6baa6f968a285f88620fbf91e1f5aa3e66e2bad50fd16f37913280ad8228

    SHA512

    4e85d48db8c0ee5c4dd4149ab01d33e4224456c3f3e3b0101544a5ca87a0d74b3ccd8c0509650008e2abed65efd1e140b1e65ae5215ab32de6f6a49c9d3ec3ff

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
    Filesize

    679B

    MD5

    6420cafbd3fa519600a8efc63d82bc52

    SHA1

    b316166e290eee1e6f6f027fd0b2b4f7ac6a854c

    SHA256

    4521605ef2978372b248d0f580a374f4d860f75328192ffef6e112f8249a6059

    SHA512

    38f2f1e994a662c96c47a3a4dc71f15c545abb8a5952836bf3ae4fd365cf6b5d4b1baa49609a0dd2fead83acc51cf880095b08d97dd9b8cc1f7e78effab30cab

    Download Submit

  • C:\Windows\SysWOW64\chepgjnbzxlqvfi.exe
    Filesize

    512KB

    MD5

    483a0d91653dd94286352fb6e1b9eadc

    SHA1

    dc709dfc6bf60fd256828b0109230ec1b3c15aa2

    SHA256

    81c846ae8b407841679b1e8fcb5c4666c22b7a819fa447b3cf2e5343fa54d363

    SHA512

    3c1598f381327513eefe65b9a11e881b6d2eb6a01cbc4eb34223c6cbbd3f3cebda03a8475ecdd509b9bb6a1122836fd3fa591c7a43e740184f368ec794166657

    Download Submit

  • C:\Windows\SysWOW64\euxpbnbd.exe
    Filesize

    512KB

    MD5

    a5642f7f65a2e7b8fa7adff4e45af221

    SHA1

    d7b77164c9d22d908b4a9ace2af8b8b4d7a370ad

    SHA256

    9dd9e728683f7de4f40ae8a86eefcbaec8e46cc6f455077cd54ae59f9c0b7fab

    SHA512

    54569171253278f0fca9fa7fefae70f13309df3e6f2528a507a5b1df32e37a8ef2e1130a633d7484e34375a683c030928d4693a89649de7e9a1606f8b94116f6

    Download Submit

  • C:\Windows\SysWOW64\hqjgveqlujdnz.exe
    Filesize

    512KB

    MD5

    85dff52ce6892d941d9ce4a7e99af1e1

    SHA1

    deb6725b3e18593fd81a1fab2ecb4766b38925ce

    SHA256

    6b2bdbd2342829c008cefc64e7615a26c5bf071a7d815a7264282b8b9f037712

    SHA512

    801b38baa74a2ede2ecfce9f6131eec67e6201a61fefc94e0c8473d1eab4117928c2852ba52b96c87d7a0427b674ad3805a8a64293bec60857a6ddc4fb857b64

    Download Submit

  • C:\Windows\SysWOW64\kydsbnurhg.exe
    Filesize

    512KB

    MD5

    57ad5a86b570314dde67ffef760407a2

    SHA1

    9f775099a89144e1e0c499dde00723b3f8b43e73

    SHA256

    850a918de347fe75efba6f2fee385a00bf1f1fb3805d3843cf809bf03c4a9be5

    SHA512

    127180a3c910ef047187fb457d6ebc6fbdf7d2e0757b3046952820fa66353e5298100087eb2cebcc23da8a6e36d58c0c1b466fc1d1cdf37e8fda3ace6f9eff93

    Download Submit

  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    Download Submit

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
    Filesize

    512KB

    MD5

    1e592be20746f1ef0b9a995d8979ce88

    SHA1

    b937abe097eca1b89a10ea7cbd2cd46ae0b0367d

    SHA256

    d49a1bad2328b94a40c3caebd09833a5165310baa4db27ebb428a42b5a3d69e1

    SHA512

    ae6f37a0a4ae47c8c1809257328df59c67633a2538d51e4030cb1d961dc726e14453e4bf354d0756f23d92f770c70f1c357e85bbda4149e849ebcf6b128bd170

    Download Submit

  • \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe
    Filesize

    512KB

    MD5

    03c6d2e1bfb06a4fdbe75640328a3a9c

    SHA1

    9c9411e34d34477d9a83a883fbe74e40904b8644

    SHA256

    1950fd3849c4704060c102a1c07f615d1a20a8b33432fda0689d4f1568e8fa49

    SHA512

    36f11bf1ea4ebfbdfc833fb6b6c37207f5916b949e106d488f45a1d5e2529395a4d1971e612e697b4e6ad3040215a4e75dd87b699c849ca11f2e2958aec482f5

    Download Submit

  • memory/3164-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/4828-35-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-41-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-40-0x00007FFD76230000-0x00007FFD76240000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-39-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-38-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-36-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

    Download

  • memory/4828-37-0x00007FFD784F0000-0x00007FFD78500000-memory.dmp

    Filesize

    64KB

    Download