Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 23:48

General

  • Target

    2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe

  • Size

    606KB

  • MD5

    59123841ec7ab6b96cce25007768d602

  • SHA1

    97d9974813a885ce0427e95a821aec36308534fd

  • SHA256

    2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33

  • SHA512

    959504d40a506f9c7a3aff0d00116f5e6c690be51d7deda85ce45917c1b5c91cb4ec59e257bd2fa66b518f2c291ce9dc2217c49b2925008b1bb2cc4d4abccfbc

  • SSDEEP

    12288:QZo9wqaX9lAytIcWlkhfMZVJt3uITOI7RxKPgcMQolSIBxzQQUpCW31R:ZaX9lAytIclhEJkIT7igcNjIB5Qgw

Malware Config

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 44Caliber family
  • Reads user/profile data of web browsers 3 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\2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
    "C:\Users\Admin\AppData\Local\Temp\2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\44\Process.txt

    Filesize

    1KB

    MD5

    fc22d6fe015bd52de4a43aa81c8cba4a

    SHA1

    7af3a3db73313563bed56e0234d61bc3afda90d5

    SHA256

    af28c2530b1421edb1ffc1c7a45e0d1404d6a4cee5eff101b4e7affd3e8b2c0a

    SHA512

    dfb53eaa9e0af66302b6b90e33b224fdca8a958dd1b103b3d284dff7ab9d2b3ff30461793ac4269f56f8c9ab6cfef149f965e5d62cdbe38769146bb96628fd37

  • C:\ProgramData\44\Process.txt

    Filesize

    747B

    MD5

    0f3e844bc73a7a287e6a9062f8daa45a

    SHA1

    91b664f8bd1be5ea7fee62722041c5c0ae53d8e8

    SHA256

    bf02fd2fe5f6f94f0ebdc1c24382060de1c37394b25851432fd1cc76e46edca5

    SHA512

    bbd58fd649c36b061f9a5d76ae48a7d977d65228f3a816b62c7370482b95d0e20b94bd25e143bd26f9375018693d8dfb4ee81e4f683ec120722221f7b4302440

  • memory/2724-0-0x00007FFDF1C13000-0x00007FFDF1C15000-memory.dmp

    Filesize

    8KB

  • memory/2724-1-0x00000000003C0000-0x000000000045E000-memory.dmp

    Filesize

    632KB

  • memory/2724-2-0x000000001B0A0000-0x000000001B18A000-memory.dmp

    Filesize

    936KB

  • memory/2724-3-0x0000000002590000-0x0000000002596000-memory.dmp

    Filesize

    24KB

  • memory/2724-20-0x00007FFDF1C10000-0x00007FFDF26D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2724-118-0x00007FFDF1C10000-0x00007FFDF26D1000-memory.dmp

    Filesize

    10.8MB