Resubmissions

22-11-2023 15:38

231122-s2555sea5v 3

10-08-2023 01:16

230810-bnacwaac7y 7

Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2023 01:16

General

  • Target

    b5f11e9a19a7972bb65d5c46664a7f7594a946b3bdd9760697fd39f6d607b557.exe

  • Size

    137KB

  • MD5

    a2b20120a92c3de445b0b384a494ed39

  • SHA1

    f82093aa3c483dca6ace0f5c8dec104800b8d494

  • SHA256

    b5f11e9a19a7972bb65d5c46664a7f7594a946b3bdd9760697fd39f6d607b557

  • SHA512

    5d6389e60866cef23a8d28e586668c10c20a9009ef7e5310ebdabcead71e9628f01e0b86475664c621a29e1ef9b6f7fa07f7f0f703e425c4a7c9cc7bae2e2a6b

  • SSDEEP

    3072:etcVk+DTEMRxbE8Zcs5t3uwcELzfIZmuf2Oh4SrUq8CA:TPDTE053uwcELzfIZmuf2Oh4SrUq

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5f11e9a19a7972bb65d5c46664a7f7594a946b3bdd9760697fd39f6d607b557.exe
    "C:\Users\Admin\AppData\Local\Temp\b5f11e9a19a7972bb65d5c46664a7f7594a946b3bdd9760697fd39f6d607b557.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabEF60.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\TarF01E.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27

  • memory/1556-54-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

    Filesize

    9.9MB

  • memory/1556-55-0x00000000001F0000-0x0000000000218000-memory.dmp

    Filesize

    160KB

  • memory/1556-56-0x0000000000380000-0x000000000039A000-memory.dmp

    Filesize

    104KB

  • memory/1556-57-0x000000001AA00000-0x000000001AA80000-memory.dmp

    Filesize

    512KB

  • memory/1556-139-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

    Filesize

    9.9MB

  • memory/1556-143-0x000007FEF57A0000-0x000007FEF618C000-memory.dmp

    Filesize

    9.9MB