Analysis

  • max time kernel
    131s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 22:04

General

  • Target

    53705a5afba7eccd5f2628d61c4c0bbdcc267e8fe1bdbd32f98b154806f11aa6.exe

  • Size

    303KB

  • MD5

    3d3676c2d36ed1af59c1815af1f74058

  • SHA1

    fc384ba05ea668dfba796b14c34e6056fd0f94b8

  • SHA256

    53705a5afba7eccd5f2628d61c4c0bbdcc267e8fe1bdbd32f98b154806f11aa6

  • SHA512

    3cc2c941082ee926efaa0cb015785321b4090e41abfdcfe7e6484ee414498e0fd6f46ceaee86110795ea6fec5e6456d46d4e6b8d65cbf58e635d1daf0f673fdc

  • SSDEEP

    6144:HrzRT6MDdbICydeB7qgGWSlZNaW61mA1D0EfC:HrT2gGWSjNPq1D3C

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1131711873008549938/QPUFf0SJyyBKkmbeY9YgkuN6uIphQMrfHrESgo7LDLk9M-ZHEC2H2R-LmRpRgJMYG97X

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53705a5afba7eccd5f2628d61c4c0bbdcc267e8fe1bdbd32f98b154806f11aa6.exe
    "C:\Users\Admin\AppData\Local\Temp\53705a5afba7eccd5f2628d61c4c0bbdcc267e8fe1bdbd32f98b154806f11aa6.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\44\Process.txt

    Filesize

    742B

    MD5

    91581fe3decf5aa69cc3a863c539b4dd

    SHA1

    6c086486f05153d24fc864774f1e0b7348ceaf5d

    SHA256

    f9eed3c49f70c998615032c83e67a12f8f1174df2e1c72ca139dffeb2e97412d

    SHA512

    d093ddd8f57cf546320f3168938cfb7f4801943de402fbe9b68423912acb15758215bbe2561a1d69ca8660bc832c305a3b8b0f85a5b1c32527d77c910025588e

  • C:\Users\Admin\AppData\Roaming\44\Process.txt

    Filesize

    757B

    MD5

    b01c5919f3d4dc014d402d1e2f6b68ee

    SHA1

    8b32f77f79ea3dfc2bc1b45d546b0eca471c6c1e

    SHA256

    a1614ac304311acde85eefdf7b1ebaf6f1ac74b170944845fa993aaa28e7ac6e

    SHA512

    0b2028d62eb712702cb4e52b4d8f795bb06765a5e12fa0c35b876c52e0c91ae7179bf073476561c4890c32abad8dafc5f9937ea5f1274128f578ee666f12ddf7

  • C:\Users\Admin\AppData\Roaming\44\Process.txt

    Filesize

    1KB

    MD5

    aa2291de3148196f169042f36665d028

    SHA1

    91a19dd133bc68a0cc3b1c10a4a0db0e3a62ce61

    SHA256

    c422a39cd5246fcc3c17c46b65ff605308bfb00ce6a8aeed39e65e2ba868df9a

    SHA512

    1e84516988217cedf8088937fb4fca120be6f14df568db76f6030d5d2f413627098cd955c09bc2a194bd3111f43fa5195a8fbf50677cf9fbcf6c877ebf3b3586

  • memory/2188-0-0x0000028AD7680000-0x0000028AD76D2000-memory.dmp

    Filesize

    328KB

  • memory/2188-1-0x00007FF9B78D3000-0x00007FF9B78D5000-memory.dmp

    Filesize

    8KB

  • memory/2188-33-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

    Filesize

    10.8MB

  • memory/2188-122-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

    Filesize

    10.8MB