Analysis

  • max time kernel
    151s
  • max time network
    74s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:21

General

  • Target

    3dbb4cd375aece7c9d2e3effe23e40eb365db344c4a50f979d240627b1511e6b.exe

  • Size

    184KB

  • MD5

    1a8b313e29f2bc9b504e5a791098ca00

  • SHA1

    ba3e5ae42132b7502d8317f726c861f51e9b0af5

  • SHA256

    3dbb4cd375aece7c9d2e3effe23e40eb365db344c4a50f979d240627b1511e6b

  • SHA512

    d577dedd42ad0749bf4d3672084b8b1f475361b516686bd4841dd6752e1a362d31320cb6f3edc99f31d0c8f754eef2bdd71df7351dfe2344a053b78866707465

  • SSDEEP

    3072:yGbg+CWoYTzCh46Knvmb7/D26ytQlw/Lg5q69srijEgS36:eGpz6LKnvmb7/D26yQlw/Lg5qosriHSK

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3dbb4cd375aece7c9d2e3effe23e40eb365db344c4a50f979d240627b1511e6b.exe
    "C:\Users\Admin\AppData\Local\Temp\3dbb4cd375aece7c9d2e3effe23e40eb365db344c4a50f979d240627b1511e6b.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\xinem.exe
      "C:\Users\Admin\xinem.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2036

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\xinem.exe
    Filesize

    184KB

    MD5

    0fb8c4735b0248839cd7445a65e7ed69

    SHA1

    f99f80790828cde9204ad7a221ef018339f540c7

    SHA256

    8b055e248f55e65464a25c7f7c5db3ad04354ddae48d692e812c5a415a8a1a48

    SHA512

    62b932e9e849d66d6cb7ef28786d4fd8c47a1316a3e0c07cdcdb21c3d255bc7eaa4f110d55ba3c8d4ba4e76e9d836839269b7997959901bb147ca4af7c9c9bbf

  • C:\Users\Admin\xinem.exe
    Filesize

    184KB

    MD5

    0fb8c4735b0248839cd7445a65e7ed69

    SHA1

    f99f80790828cde9204ad7a221ef018339f540c7

    SHA256

    8b055e248f55e65464a25c7f7c5db3ad04354ddae48d692e812c5a415a8a1a48

    SHA512

    62b932e9e849d66d6cb7ef28786d4fd8c47a1316a3e0c07cdcdb21c3d255bc7eaa4f110d55ba3c8d4ba4e76e9d836839269b7997959901bb147ca4af7c9c9bbf

  • \Users\Admin\xinem.exe
    Filesize

    184KB

    MD5

    0fb8c4735b0248839cd7445a65e7ed69

    SHA1

    f99f80790828cde9204ad7a221ef018339f540c7

    SHA256

    8b055e248f55e65464a25c7f7c5db3ad04354ddae48d692e812c5a415a8a1a48

    SHA512

    62b932e9e849d66d6cb7ef28786d4fd8c47a1316a3e0c07cdcdb21c3d255bc7eaa4f110d55ba3c8d4ba4e76e9d836839269b7997959901bb147ca4af7c9c9bbf

  • \Users\Admin\xinem.exe
    Filesize

    184KB

    MD5

    0fb8c4735b0248839cd7445a65e7ed69

    SHA1

    f99f80790828cde9204ad7a221ef018339f540c7

    SHA256

    8b055e248f55e65464a25c7f7c5db3ad04354ddae48d692e812c5a415a8a1a48

    SHA512

    62b932e9e849d66d6cb7ef28786d4fd8c47a1316a3e0c07cdcdb21c3d255bc7eaa4f110d55ba3c8d4ba4e76e9d836839269b7997959901bb147ca4af7c9c9bbf

  • memory/1808-56-0x0000000075991000-0x0000000075993000-memory.dmp
    Filesize

    8KB

  • memory/2036-59-0x0000000000000000-mapping.dmp