Analysis

  • max time kernel
    176s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 23:01

General

  • Target

    8270240401f67984085dfa3255306a2aa75e9362a19c9245c2b6bc65232e03c9.exe

  • Size

    4.1MB

  • MD5

    1a2b64907ed5c16c599db94e8d1ec6d2

  • SHA1

    375012c47c58a06e2dad5ff8b6748c2cf9618048

  • SHA256

    8270240401f67984085dfa3255306a2aa75e9362a19c9245c2b6bc65232e03c9

  • SHA512

    dc864296f838e08c43f2e1335997337ff28c3ab431bb77f5dc529cd0402d253905e2ad9295032038118d116ff614b34e9e5f0684c92668a8f7648cb74e05cfcb

  • SSDEEP

    98304:6kOh1YDuo30kSHG9xfyLII0YJ372FKUP5Hiyc+shUXn6uR3BWV:6RWh009xfyuCyc+shUXn6uR3BW

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8270240401f67984085dfa3255306a2aa75e9362a19c9245c2b6bc65232e03c9.exe
    "C:\Users\Admin\AppData\Local\Temp\8270240401f67984085dfa3255306a2aa75e9362a19c9245c2b6bc65232e03c9.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1420
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:3160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.dat

    Filesize

    3KB

    MD5

    cc12f0fefe410fd009f37640338965a5

    SHA1

    c06049452e261a822981c735c35dc7e4a14fbf0c

    SHA256

    8902ab1716bed2a067715842c68f848dded5440fbf52989c70caa7071badf33f

    SHA512

    b217b26be104b2697e238b48f0003871d89e42b10da5a377450d360b7eec9efd4f44607fa2f5c9b7119ef553e6abc38663d970651b5f7063e4618846ca3aa945

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.dll

    Filesize

    744KB

    MD5

    211ab5ec38ee0ed680e1b90b37916d5b

    SHA1

    5a8f6d8b08d6ebffd28608766fe73660fe00a781

    SHA256

    c5de64a026df3c1275ea3e50b3565b8cfc4d17b09eb958a23bcc29557589b409

    SHA512

    451ee835b2caed20a57529059a9e434b8e9139c45a579cc3d6693c1af5b516d3580abcd94370e916ff9a11e5cb859cee4a1dbbab943909d2a77fbc68a200a125

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.tlb

    Filesize

    3KB

    MD5

    0d2aeb4f00b6579ca162c9a79f104dba

    SHA1

    fbc3019106417014ba01e5703e2729496feb6c39

    SHA256

    4cbe20901caaa5ec47de0c8e5d5333d219bbc51dadf3ad02083b21a2350fd283

    SHA512

    083c3b7ec8a01d78880349c2de635e70bc45db1523c6e9962f4d687bd15705b28a4001afd48e7be60e34ab7c2a8bf62ff1b91404c38202cfb51fd7df449e124e

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.x64.dll

    Filesize

    874KB

    MD5

    1dc66c50cea34da91b5e917e0157ff0d

    SHA1

    c7ddb2f9d46f1836d7368434db0131619f5e7c08

    SHA256

    19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

    SHA512

    48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.x64.dll

    Filesize

    874KB

    MD5

    1dc66c50cea34da91b5e917e0157ff0d

    SHA1

    c7ddb2f9d46f1836d7368434db0131619f5e7c08

    SHA256

    19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

    SHA512

    48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

  • C:\Program Files (x86)\TinyWallet\29eNw3ahldRQKc.x64.dll

    Filesize

    874KB

    MD5

    1dc66c50cea34da91b5e917e0157ff0d

    SHA1

    c7ddb2f9d46f1836d7368434db0131619f5e7c08

    SHA256

    19627221bde386227801b307cb903837ce957f1aa6194ec8bfc7b180434f41d0

    SHA512

    48e4c5a2603ba68aaa87d03fc1fbd5c9c672c3e3b9c50178a8f00e6296ae8d14ee6bf043c6bdca49f728f1ebda156007902af628af0a41760de22c8204453fef

  • memory/1420-132-0x0000000000F80000-0x000000000104B000-memory.dmp

    Filesize

    812KB

  • memory/3160-141-0x0000000000000000-mapping.dmp

  • memory/4596-138-0x0000000000000000-mapping.dmp