Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 07:42

General

  • Target

    d25bee31c30313658d2e010c0fb5f66e.exe

  • Size

    4.3MB

  • MD5

    d25bee31c30313658d2e010c0fb5f66e

  • SHA1

    003a49d195dd719b9af213fedcf9c39d8b6bf480

  • SHA256

    d963acee9e469ee9b95e16ca8d4f77412663b6f92928d885cd35c82595bea7ef

  • SHA512

    323bc94eb61a776c4a2a112d064bef17bd9874e3560040672288cd4447065dca4bc47bb346ebb13319bf999163704fc56beed345bd8c24dc487803f3a8db3dc7

  • SSDEEP

    98304:dbFhmDz7Avv/xXkMfPikM5JofdF7r8tH9gAMhPQLv+Wu5Vm:dFAnE55fb46LSH9gAMBQTRM

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 1 IoCs
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Looks up external IP address via web service 4 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d25bee31c30313658d2e010c0fb5f66e.exe
    "C:\Users\Admin\AppData\Local\Temp\d25bee31c30313658d2e010c0fb5f66e.exe"
    1⤵
    • Modifies firewall policy service
    • Drops file in System32 directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    PID:2936

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Replay Monitor

Loading Replay Monitor...

Downloads

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

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Cab2158.tmp
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar21FB.tmp
    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2936-15-0x0000000077100000-0x0000000077102000-memory.dmp
    Filesize

    8KB

  • memory/2936-11-0x0000000077100000-0x0000000077102000-memory.dmp
    Filesize

    8KB

  • memory/2936-26-0x0000000077120000-0x0000000077122000-memory.dmp
    Filesize

    8KB

  • memory/2936-24-0x0000000077120000-0x0000000077122000-memory.dmp
    Filesize

    8KB

  • memory/2936-22-0x0000000077120000-0x0000000077122000-memory.dmp
    Filesize

    8KB

  • memory/2936-21-0x000000013F2D0000-0x000000013FAE4000-memory.dmp
    Filesize

    8.1MB

  • memory/2936-20-0x0000000077110000-0x0000000077112000-memory.dmp
    Filesize

    8KB

  • memory/2936-18-0x0000000077110000-0x0000000077112000-memory.dmp
    Filesize

    8KB

  • memory/2936-16-0x0000000077110000-0x0000000077112000-memory.dmp
    Filesize

    8KB

  • memory/2936-0-0x000000013F435000-0x000000013F69B000-memory.dmp
    Filesize

    2.4MB

  • memory/2936-13-0x0000000077100000-0x0000000077102000-memory.dmp
    Filesize

    8KB

  • memory/2936-8-0x00000000770F0000-0x00000000770F2000-memory.dmp
    Filesize

    8KB

  • memory/2936-6-0x00000000770F0000-0x00000000770F2000-memory.dmp
    Filesize

    8KB

  • memory/2936-1-0x00000000770E0000-0x00000000770E2000-memory.dmp
    Filesize

    8KB

  • memory/2936-36-0x000007FEFD1C0000-0x000007FEFD1C2000-memory.dmp
    Filesize

    8KB

  • memory/2936-34-0x000007FEFD1C0000-0x000007FEFD1C2000-memory.dmp
    Filesize

    8KB

  • memory/2936-31-0x000007FEFD1B0000-0x000007FEFD1B2000-memory.dmp
    Filesize

    8KB

  • memory/2936-29-0x000007FEFD1B0000-0x000007FEFD1B2000-memory.dmp
    Filesize

    8KB

  • memory/2936-10-0x00000000770F0000-0x00000000770F2000-memory.dmp
    Filesize

    8KB

  • memory/2936-5-0x00000000770E0000-0x00000000770E2000-memory.dmp
    Filesize

    8KB

  • memory/2936-3-0x00000000770E0000-0x00000000770E2000-memory.dmp
    Filesize

    8KB

  • memory/2936-125-0x000000013F435000-0x000000013F69B000-memory.dmp
    Filesize

    2.4MB

  • memory/2936-126-0x000000013F2D0000-0x000000013FAE4000-memory.dmp
    Filesize

    8.1MB