Analysis

  • max time kernel
    161s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 22:17

General

  • Target

    9052224281f0841b0a2dc3c632d80dfc3dcc360cd2cab14858270b59a61943e7.exe

  • Size

    4.2MB

  • MD5

    cb3fe73c8b7a46e2cc3a32b66c3a4dcd

  • SHA1

    f4592c09d2168d3d1f20f84b192dcdc715fc8c18

  • SHA256

    9052224281f0841b0a2dc3c632d80dfc3dcc360cd2cab14858270b59a61943e7

  • SHA512

    c082552087fc58f0ffb832913e98dcef48165eef516f9e79459aaf2d55ff763ca3191e1056b66fd8e5ec5f81cdd9b61250c0c01862c521371451c1b82a46ee9e

  • SSDEEP

    98304:ivv3jh4d44WDZK0GELFn5EnBmbGp4Qf+pnzG:ivv/FDBWB/+QmxG

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9052224281f0841b0a2dc3c632d80dfc3dcc360cd2cab14858270b59a61943e7.exe
    "C:\Users\Admin\AppData\Local\Temp\9052224281f0841b0a2dc3c632d80dfc3dcc360cd2cab14858270b59a61943e7.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4344
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4944

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.dat
    Filesize

    3KB

    MD5

    13b872d40d7a8f1dabfc2bf19db75e48

    SHA1

    3e9e7b353de3ce85738cfb7f4b617acac9b78fa3

    SHA256

    44f7bbc6183a9a9d46065f16deb750a4a538304b4511d73ceda63e45072e94a6

    SHA512

    e3345340f694dfb32be9e90199885e56d9a5c437da070bfd08ffa30abdd82ca0292c677fe992b0cbc5005f422fc76213ab6c6f92e04dc848122da46ccb5cc7cb

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.dll
    Filesize

    747KB

    MD5

    075a34d90e4395f320b3266b2a6cc2c0

    SHA1

    c04c7386f13b45f5cc8424109d369e1e2427e5ec

    SHA256

    82550996793875d5d60d0479968dd63ff127ac705aca610110bc3f6ca127e8dc

    SHA512

    2618fb83c62bfd2ea6925d15417a86144d0133c1db3d6020b93ff6bac19adf47c1d31a10fcc31010e0fd6c2bd6f0a4537763715c57b74ad094ce8d6aedbf896a

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.tlb
    Filesize

    3KB

    MD5

    80b66ebf00d9d7c1904175c81cf3b1e1

    SHA1

    25edfc73c30f45e1254ddec9bdc5854d0f5c3c1b

    SHA256

    5691ef6a5460131e8fbebeed40d4f0fb81ff49e25a08d45df2178bb8d486672a

    SHA512

    396db976a5a56df11be3f46e16908341b33be7b374c92674550a563885012c056b7213ab873745e98bf4681bf12882632260363c578105decda25a2d249fdb9d

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.x64.dll
    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.x64.dll
    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • C:\Program Files (x86)\SmartOnes\QnmcXDlXQE2KBV.x64.dll
    Filesize

    881KB

    MD5

    8cb4c5980306da615fd3a3c0b7124d95

    SHA1

    04c3ab5e547e3644e8627f9a548a56c112792499

    SHA256

    ce12f2e485306ea9a8bd019ffd6a62d846259bac4ba0ec71d81b43ab32470d43

    SHA512

    1852f4cf028c72869f215a8efff6c7244e2c67cde1230eb633a0d700fce957774dade7a50fcd7b760f395b3e242a5701ab88496e5551f778d208bcf182e0bedf

  • memory/4344-132-0x0000000002F10000-0x0000000002FDE000-memory.dmp
    Filesize

    824KB

  • memory/4780-138-0x0000000000000000-mapping.dmp
  • memory/4944-141-0x0000000000000000-mapping.dmp