Analysis

  • max time kernel
    138s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    16-06-2023 15:11

General

  • Target

    64b9d76ec0d30f2875691f8b230e5caf8cddfa50ba1a763d59680473b2be0a52.exe

  • Size

    1.4MB

  • MD5

    29338021e3c2ab4cbc053c959317eb95

  • SHA1

    a902a5a1e91712befcb1757829c2f8ba1516aae4

  • SHA256

    64b9d76ec0d30f2875691f8b230e5caf8cddfa50ba1a763d59680473b2be0a52

  • SHA512

    858f0572c730000f4f1b35f9ff9d5f1d5362fe5906420cf1ddff08093e5888838d550013e5334d1047faed3ec2cff7d519628ab880b3581a34018a642c9cfbc6

  • SSDEEP

    12288:VtvjAl4blss8+o4BIHAiKw7d4C+TSD0fzlj7iXhASBijMoryJKnS2IingFdYxYee:zvjAl2lss82GIfzljHSIYG8bFL

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

aa9064aa.e1.luyouxia.net:22391

Mutex

1

Attributes
  • delay

    1

  • install

    false

  • install_file

    1.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64b9d76ec0d30f2875691f8b230e5caf8cddfa50ba1a763d59680473b2be0a52.exe
    "C:\Users\Admin\AppData\Local\Temp\64b9d76ec0d30f2875691f8b230e5caf8cddfa50ba1a763d59680473b2be0a52.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1988

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\Tar1463.tmp
    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • memory/1988-54-0x0000000000270000-0x0000000000282000-memory.dmp
    Filesize

    72KB

  • memory/1988-55-0x00000000004F0000-0x00000000005F1000-memory.dmp
    Filesize

    1.0MB

  • memory/1988-56-0x000000001B330000-0x000000001B3B0000-memory.dmp
    Filesize

    512KB

  • memory/1988-57-0x000000001B330000-0x000000001B3B0000-memory.dmp
    Filesize

    512KB

  • memory/1988-58-0x000000001B330000-0x000000001B3B0000-memory.dmp
    Filesize

    512KB

  • memory/1988-59-0x000000001B330000-0x000000001B3B0000-memory.dmp
    Filesize

    512KB