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Analysis

  • max time kernel
    164s
  • max time network
    195s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 05:55

General

  • Target

    aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950.exe

  • Size

    556KB

  • MD5

    4eff81a09fe7dbee02c0c3d4d7e5cbb5

  • SHA1

    bdeb848814b9430117c85eeaed1f975f39c7fa11

  • SHA256

    aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950

  • SHA512

    f1f81d24aabcc0447343aa8f728456245e85c216802cc9c66f279fd48da9676461fe82791e531794faec8eb878499c0883ae045c7670c5bf84f01c0f69b61362

  • SSDEEP

    12288:9GosTxSzpDq5VNYdyOshT5l4/86CaIhvPfNMIM1P27QwMMT6:9GosTxSEXzOV/UaIBNLMp20wMMT6

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950.exe
    "C:\Users\Admin\AppData\Local\Temp\aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious use of SetWindowsHookEx
    PID:2008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\ICReinstall_aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950.exe

    Filesize

    556KB

    MD5

    4eff81a09fe7dbee02c0c3d4d7e5cbb5

    SHA1

    bdeb848814b9430117c85eeaed1f975f39c7fa11

    SHA256

    aadcb1226dba5916b39cacb902a2b489ec74ae92327ddf1e8b2084ea8ba41950

    SHA512

    f1f81d24aabcc0447343aa8f728456245e85c216802cc9c66f279fd48da9676461fe82791e531794faec8eb878499c0883ae045c7670c5bf84f01c0f69b61362

  • memory/2008-54-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/2008-55-0x00000000760D1000-0x00000000760D3000-memory.dmp

    Filesize

    8KB

  • memory/2008-56-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/2008-58-0x00000000037E0000-0x00000000037F0000-memory.dmp

    Filesize

    64KB

  • memory/2008-59-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/2008-60-0x00000000037E0000-0x00000000037F0000-memory.dmp

    Filesize

    64KB