Analysis

  • max time kernel
    136s
  • max time network
    247s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-02-2024 12:16

General

  • Target

    desktop.exe

  • Size

    2.2MB

  • MD5

    b96effa1db7e2e063fb77f50bb7b5dba

  • SHA1

    69550317c46d6d87af60c0f68a07734b1fc9878c

  • SHA256

    64068c0cb87977af622fdf485815f914d1676816daf650e16e360a334339fcc4

  • SHA512

    32e8a370b9cc86a4dc681aaf0d643ec6e90b7e67e0b4c8d39a7c975aa01d677f887b0de52e754cd145ae4379c7269282382587233d7e2bb213b489817076c15c

  • SSDEEP

    49152:rZ2d9lGi4xI3Sk7/8Hl46puiBc7AScbt9Hsd4M:rZi9lGvKv/8HluiQdcrsaM

Score
10/10

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\desktop.exe
    "C:\Users\Admin\AppData\Local\Temp\desktop.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Roaming\updatein1432\client32.exe
      "C:\Users\Admin\AppData\Roaming\updatein1432\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\updatein1432\HTCTL32.DLL

    Filesize

    316KB

    MD5

    051cdb6ac8e168d178e35489b6da4c74

    SHA1

    38c171457d160f8a6f26baa668f5c302f6c29cd1

    SHA256

    6562585009f15155eea9a489e474cebc4dd2a01a26d846fdd1b93fdc24b0c269

    SHA512

    602ab9999f7164a2d1704f712d8a622d69148eefe9a380c30bc8b310eadedf846ce6ae7940317437d5da59404d141dc2d1e0c3f954ca4ac7ae3497e56fcb4e36

  • C:\Users\Admin\AppData\Roaming\updatein1432\NSM.LIC

    Filesize

    261B

    MD5

    973c4ae4cd184a3913111eb60eefbad0

    SHA1

    e03f97864390c9ab88c19c97fe7529eea29b204a

    SHA256

    bd73c8aa4ef7f7616734416c92b27935a7c8209527c78751d2d61cb9c0f8e92a

    SHA512

    419d71d63c7394d6565ef46d012bec79710aca8ac8ae1ede3511c5e1e6b317a02eac23632dcb2b456afb65560d38e8100727458bedf5bb11bbcf3e88d7ca6f81

  • C:\Users\Admin\AppData\Roaming\updatein1432\PCICAPI.dll

    Filesize

    106KB

    MD5

    67c53a770390e8c038060a1921c20da9

    SHA1

    49e63af91169c8ce7ef7de3d6a6fb9f8f739fa3a

    SHA256

    2dfdc169dfc27462adc98dde39306de8d0526dcf4577a1a486c2eef447300689

    SHA512

    201e07dbccd83480d6c4d8562e6d0a9e4c52ed12895f0b91d875c2bbcc50b3b1802e11e5e829c948be302bf98ebde7fb2a99476065d1709b3bdbcd5d59a1612d

  • C:\Users\Admin\AppData\Roaming\updatein1432\PCICHEK.DLL

    Filesize

    14KB

    MD5

    3aabcd7c81425b3b9327a2bf643251c6

    SHA1

    ea841199baa7307280fc9e4688ac75e5624f2181

    SHA256

    0cff893b1e7716d09fb74b7a0313b78a09f3f48c586d31fc5f830bd72ce8331f

    SHA512

    97605b07be34948541462000345f1e8f9a9134d139448d4f331cefeeca6dad51c025fcab09d182b86e5a4a8e2f9412b3745ec86b514b0523497c821cb6b8c592

  • C:\Users\Admin\AppData\Roaming\updatein1432\PCICL32.dll

    Filesize

    3.3MB

    MD5

    e7b92529ea10176fe35ba73fa4edef74

    SHA1

    fc5b325d433cde797f6ad0d8b1305d6fb16d4e34

    SHA256

    b6d4ad0231941e0637485ac5833e0fdc75db35289b54e70f3858b70d36d04c80

    SHA512

    fb3a70e87772c1fb386ad8def6c7bdf325b8d525355d4386102649eb2d61f09ce101fce37ccc1f44d5878e604e2e426d96618e836367ab460cae01f627833517

  • C:\Users\Admin\AppData\Roaming\updatein1432\client32.exe

    Filesize

    101KB

    MD5

    c4f1b50e3111d29774f7525039ff7086

    SHA1

    57539c95cba0986ec8df0fcdea433e7c71b724c6

    SHA256

    18df68d1581c11130c139fa52abb74dfd098a9af698a250645d6a4a65efcbf2d

    SHA512

    005db65cedaaccc85525fb3cdab090054bb0bb9cc8c37f8210ec060f490c64945a682b5dd5d00a68ac2b8c58894b6e7d938acaa1130c1cc5667e206d38b942c5

  • C:\Users\Admin\AppData\Roaming\updatein1432\client32.ini

    Filesize

    665B

    MD5

    d6ab548cef2a8a905ff711ec285b97ce

    SHA1

    f8587a38b408759e2c4b24d135f7b7e35840f712

    SHA256

    545a0768987bc6efd4134c397e092c026f4bc57a18536e15a02032f6f6f3cf6b

    SHA512

    de7ed0e41f7c7d1e39dcc128e22bfc98602ae99798903b6abfdd9070db7752d786ea9b49dbfd092ee670a2665855442449a6853808c26ad896a7b8b71ecd5120

  • C:\Users\Admin\AppData\Roaming\updatein1432\msvcr100.dll

    Filesize

    755KB

    MD5

    0e37fbfa79d349d672456923ec5fbbe3

    SHA1

    4e880fc7625ccf8d9ca799d5b94ce2b1e7597335

    SHA256

    8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18

    SHA512

    2bea9bd528513a3c6a54beac25096ee200a4e6ccfc2a308ae9cfd1ad8738e2e2defd477d59db527a048e5e9a4fe1fc1d771701de14ef82b4dbcdc90df0387630

  • memory/3268-0-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/3268-50-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB