Analysis

  • max time kernel
    91s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 21:56

General

  • Target

    62028da11b3c31dff4ab47e5a0b0b16327e7ddaabb2bf0d63f5ff7391d134958.exe

  • Size

    3.7MB

  • MD5

    05bcb822a0b54a38e4cb0c27a27da4eb

  • SHA1

    63527c84bd32c61f616a37cd520a87cbbd28d565

  • SHA256

    62028da11b3c31dff4ab47e5a0b0b16327e7ddaabb2bf0d63f5ff7391d134958

  • SHA512

    d85e473de8d7cff0b6d186516c524cae9e32c2b88c4d3d29399996b34683ae71108044b7878c84171c2dcea62daa0a13c1cf86bf030f033322f4e40190541777

  • SSDEEP

    49152:iZ2ySgxhTuiICa6oypppAC7G53wJnLj+oThmV1v7ViFQ2P85PCJBNsW6CA:WhlICfmC7G8nLioT4nzT2kIDN

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 use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62028da11b3c31dff4ab47e5a0b0b16327e7ddaabb2bf0d63f5ff7391d134958.exe
    "C:\Users\Admin\AppData\Local\Temp\62028da11b3c31dff4ab47e5a0b0b16327e7ddaabb2bf0d63f5ff7391d134958.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3992
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3468
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4992

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)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.dat
    Filesize

    4KB

    MD5

    b7e0d69e1168c3054fb27a2d9b4024d0

    SHA1

    4c52cf6b2ffec3bc5eff98e1e1d7367a88721c94

    SHA256

    45e083ecde3c3dc9576fba29a3aa034c2e9ab56db5a545206325c7675bb4c959

    SHA512

    a98c25633e50d9903dc312be4e80f29f906cdc3d9aaafaffac75f9865988054a5a0569588d2050ecd037f91f5b3ca6a26e613670d8390d2f177f43c4f24d6747

  • C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.dll
    Filesize

    619KB

    MD5

    5e35cea39dca842e67bac26c3fdd9d1c

    SHA1

    df707169ba389d66f018c6c91b44fed189bf90f7

    SHA256

    2ffd483b8f32d93802a44acf46c920ba91a7dcaee0e6bf8b7fd22cecdc27fa3f

    SHA512

    9ba60c200a22712b86d20407bf98e70e8a9a3a104d0dd5be6a1fb4a547a77d28c1fd824a5af8c6201ff3a98ee451c1ee4fd7902ee79c01e82221e149100e0665

  • C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.tlb
    Filesize

    3KB

    MD5

    e1ccf2e2dc93dd6a8927a6a4c375cbf3

    SHA1

    6bb9a0affe3c3b578a9260203e27cf075f0c1e97

    SHA256

    bf1bebb0095af9e438bc56a22b44e8afc85be11c724101bb9ec5c73086cfd411

    SHA512

    4a63951366c5cfbb05168bb3c232f5b4ca88e1104fc417fcace08479b11e171928379b2eace384e471f0a96e39aa9c22b8153683c43c961830d2f74c1eae23de

  • C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.x64.dll
    Filesize

    698KB

    MD5

    98554a06d97cb19eb00faf80f1dd48aa

    SHA1

    ae493d7183f9882f6f130435ab7179da39bca8bd

    SHA256

    703c564e8a6a1a133a54d15fafe8649f6e4f0b95ca433ef8d4392193e62ebe85

    SHA512

    5316afa98627223997288d37688acc769fa138368adecb501e1cc62823856c1a2d6175c34ad90bc0e4a6ee6a3d87d70ff6fccee13ae848562ae3eb97cc526cd5

  • C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.x64.dll
    Filesize

    698KB

    MD5

    98554a06d97cb19eb00faf80f1dd48aa

    SHA1

    ae493d7183f9882f6f130435ab7179da39bca8bd

    SHA256

    703c564e8a6a1a133a54d15fafe8649f6e4f0b95ca433ef8d4392193e62ebe85

    SHA512

    5316afa98627223997288d37688acc769fa138368adecb501e1cc62823856c1a2d6175c34ad90bc0e4a6ee6a3d87d70ff6fccee13ae848562ae3eb97cc526cd5

  • C:\Program Files (x86)\YOuutubeeAAdBluockee\lo6HSDS74MJ5No.x64.dll
    Filesize

    698KB

    MD5

    98554a06d97cb19eb00faf80f1dd48aa

    SHA1

    ae493d7183f9882f6f130435ab7179da39bca8bd

    SHA256

    703c564e8a6a1a133a54d15fafe8649f6e4f0b95ca433ef8d4392193e62ebe85

    SHA512

    5316afa98627223997288d37688acc769fa138368adecb501e1cc62823856c1a2d6175c34ad90bc0e4a6ee6a3d87d70ff6fccee13ae848562ae3eb97cc526cd5

  • memory/3468-138-0x0000000000000000-mapping.dmp
  • memory/3992-132-0x0000000002D60000-0x0000000002E02000-memory.dmp
    Filesize

    648KB

  • memory/4992-141-0x0000000000000000-mapping.dmp