Analysis

  • max time kernel
    45s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 18:02

General

  • Target

    e0e4129ec0467f3a8237569bd5f28eea2becce8e26ef2b894962ebf08580426e.exe

  • Size

    4.4MB

  • MD5

    1b8258696507ddbb455a725f5be4189b

  • SHA1

    b11e9180a98685681c9f3a91728b2597061b62af

  • SHA256

    e0e4129ec0467f3a8237569bd5f28eea2becce8e26ef2b894962ebf08580426e

  • SHA512

    90ace917b0628eed377fe8dc7f031ddfe6726b22fabc52768a88e97d76cd88985ad1074316a68a1d314680ac3941b2531380c33ccca435297e11b5f2eefa9464

  • SSDEEP

    49152:dKk0d1vZSO6E3aDmxup4a6MUvgLptOyCzP5jfc7SKaZ8hpTQdeS:E/vZGQaYvkpthCzP5o7SKaZspsde

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 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0e4129ec0467f3a8237569bd5f28eea2becce8e26ef2b894962ebf08580426e.exe
    "C:\Users\Admin\AppData\Local\Temp\e0e4129ec0467f3a8237569bd5f28eea2becce8e26ef2b894962ebf08580426e.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:1324
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:276

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)\YoutubeAdBlocke\E3jsdDDpG8aLVV.dat
    Filesize

    4KB

    MD5

    170425c60b7ee47b24b80a15e7f56eff

    SHA1

    b9e4b89dcaa9fab6b4b4712c79b1742ade98be51

    SHA256

    32f00e93ff156a8f0dced82fd76d4046ddb3d264054df88c79a83e3a58b9558a

    SHA512

    891ac317a69363cf654944db0dc7488d62886427b0bdfc724c265d84bed8b3a847d27e6f2fc2070656a71e6f5c6c349e2a945146689bc7a92243191f9f07f0bd

  • C:\Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.tlb
    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.dll
    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\YoutubeAdBlocke\E3jsdDDpG8aLVV.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • memory/276-65-0x0000000000000000-mapping.dmp
  • memory/276-66-0x000007FEFB781000-0x000007FEFB783000-memory.dmp
    Filesize

    8KB

  • memory/1160-61-0x0000000000000000-mapping.dmp
  • memory/1324-54-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

  • memory/1324-55-0x00000000029F0000-0x0000000002AB9000-memory.dmp
    Filesize

    804KB