Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2024 05:29

General

  • Target

    ONETAP V4 CRACK.exe

  • Size

    274KB

  • MD5

    31732d9535ba2bdb12beeb40a75790de

  • SHA1

    7cce72d5128f33f2a9e894c58d353472bcef27a9

  • SHA256

    26f829868cd841f2da691689045c28b308e1f1c21d5af129c8216dd3cc5a0476

  • SHA512

    705b2a04a5d8afcff83e78fe2daf8adfd9e0e6b146c1799f4b1bd7923fe206cda5ebc6af8a33fb6198c154097e2e1af58f7fb56d1199ad2077afac33edea0302

  • SSDEEP

    6144:xf+BLtABPDpFJAKXYSlrLirJbz3ORA1D0qaR:vFKSlrLiBz1D0R

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/922044577169424395/qwAEIr00IbMp6PeuupxU_XupCXhK82a_lw1-3gBrRFMHaRsff_21yyAHBlGdXbxpacQ_

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\ ONETAP V4 CRACK.exe
    "C:\Users\Admin\AppData\Local\Temp\ ONETAP V4 CRACK.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    396B

    MD5

    37e0304df12016f14538f372c85b0708

    SHA1

    720fa7c93db20dcea1c3e257b278d69e8c00784a

    SHA256

    82720086a514bcb2a9ab48268f3da597025c2caded62d6aaca4efeb45ca73a6a

    SHA512

    9bc49acf0ab1b1ec61bfea64351137aeba9a9b07d52ddb1f399a793e4a8cd2f864d1b851cf064e53f4710d2d69948744d8cc47578bf2658826494b8df484efea

  • memory/2008-0-0x0000000000820000-0x000000000086A000-memory.dmp
    Filesize

    296KB

  • memory/2008-1-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
    Filesize

    9.9MB

  • memory/2008-2-0x000000001B040000-0x000000001B0C0000-memory.dmp
    Filesize

    512KB

  • memory/2008-51-0x000007FEF5910000-0x000007FEF62FC000-memory.dmp
    Filesize

    9.9MB