Analysis

  • max time kernel
    121s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 22:15

General

  • Target

    4b30448013b8fa0dfb2d3dcaf5a1d5a6b9de9f217155862a2b33db737139e07a.dll

  • Size

    2.7MB

  • MD5

    45c9bfe4532f1d9af0ba1454d4f7102a

  • SHA1

    82ec56684e9953e422665d92e8889f096f8cdbe0

  • SHA256

    4b30448013b8fa0dfb2d3dcaf5a1d5a6b9de9f217155862a2b33db737139e07a

  • SHA512

    5cab234a4c03362834138e30a6768d52e8bbac6ffa0bc57e094930b9369046f47459881a92c59089e657d222e23a1ed652433e241517dec5768b30c2c585c2ec

  • SSDEEP

    49152:OAkvh1A6WzcnH7xxjSjyW/QWWjJqPjSjhTSGIo8Y70tgPzJiA466l17s8ihXc:OAkvqmxGj7/WdqPm2tOza6m17chX

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 58 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 62 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b30448013b8fa0dfb2d3dcaf5a1d5a6b9de9f217155862a2b33db737139e07a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b30448013b8fa0dfb2d3dcaf5a1d5a6b9de9f217155862a2b33db737139e07a.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Users\Admin\AppData\Local\Temp\4805.tmp
        C:\Users\Admin\AppData\Local\Temp\4805.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        PID:1212

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Collection

Data from Local System

1
T1005

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Google\CrashReports\5dfd5694-2201-4682-856d-581365ea984d.dmp
    Filesize

    34KB

    MD5

    6be1a266e9d6203b1c50993ce663cf68

    SHA1

    8c9509a88d7e2bba7c14ac39a2a4e18821344ebd

    SHA256

    0a78d2fd1a804c4ab213bd580e55768850cb0bd79d9e13a3e61bd62f427b71fb

    SHA512

    a8728408ecdddb8652d029f4e6dc508b9687c8cff378abe55b4d77bc898b3c03d6acb749df21b91d7bcd1904c179a89e06da1a7d0226625fe2147040559d156b

  • C:\Users\Admin\AppData\Local\Temp\4805.tmp
    Filesize

    145KB

    MD5

    c610e7ccd6859872c585b2a85d7dc992

    SHA1

    362b3d4b72e3add687c209c79b500b7c6a246d46

    SHA256

    14063fc61dc71b9881d75e93a587c27a6daf8779ff5255a24a042beace541041

    SHA512

    8570aad2ae8b5dcba00fc5ebf3dc0ea117e96cc88a83febd820c5811bf617a6431c1367b3eb88332f43f80b30ebe2c298c22dcc44860a075f7b41bf350236666

  • memory/4512-0-0x0000000002A20000-0x0000000002AED000-memory.dmp
    Filesize

    820KB

  • memory/4512-1-0x0000000002A20000-0x0000000002AED000-memory.dmp
    Filesize

    820KB

  • memory/4512-6-0x0000000018000000-0x00000000182AF000-memory.dmp
    Filesize

    2.7MB

  • memory/4512-12-0x0000000018000000-0x00000000182AF000-memory.dmp
    Filesize

    2.7MB