Analysis

  • max time kernel
    119s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2023 16:46

General

  • Target

    7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24exe.exe

  • Size

    1.5MB

  • MD5

    0084ff6c74c4a4782227be917bf50bd0

  • SHA1

    ab3a1dc7dad72e7f8ed5b8a359014ae87c89db1a

  • SHA256

    7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24

  • SHA512

    a5579cdf8bd0096626fa7e6571a06444c8fe8832bf4806f791f83e1b5894cb68c613fab96f20cbcb8dbe15cd8c32b25b4bf33f2b1595c5042e0187da42453a24

  • SSDEEP

    24576:MbD+hc2VyZ2C4grbH1D6/rp7uTF2uU12SOba8OZBkIwxMqF7:myhrVO2iP1D6/rJuB2DxvZBXzqF7

Malware Config

Extracted

Family

risepro

C2

46.4.10.254

Signatures

  • PrivateLoader

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

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24exe.exe
    "C:\Users\Admin\AppData\Local\Temp\7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24exe.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:2412
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP140\OfficeTrackerNMP140.exe" /tn "OfficeTrackerNMP140 HR" /sc HOURLY /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2268
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP140\OfficeTrackerNMP140.exe" /tn "OfficeTrackerNMP140 LG" /sc ONLOGON /rl HIGHEST
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 464
      2⤵
      • Program crash
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\OfficeTrackerNMP140\OfficeTrackerNMP140.exe

    Filesize

    1.5MB

    MD5

    0084ff6c74c4a4782227be917bf50bd0

    SHA1

    ab3a1dc7dad72e7f8ed5b8a359014ae87c89db1a

    SHA256

    7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24

    SHA512

    a5579cdf8bd0096626fa7e6571a06444c8fe8832bf4806f791f83e1b5894cb68c613fab96f20cbcb8dbe15cd8c32b25b4bf33f2b1595c5042e0187da42453a24

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8E71.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\grandUIAp2OmPhXdLzVK6\information.txt

    Filesize

    3KB

    MD5

    4402747fa06c0b2519c76ed5bbbb9087

    SHA1

    9f495bef5355ef34106ae7f9d1da82b39dce4839

    SHA256

    b3a01a725fad478b7c8e41882d771e1b77b5c95ab65ff9a0eaabea7bbd152e8d

    SHA512

    3e6ab8793779faf8ff189399d0d30aa0f2b20e1fc15b32f657e7a7726107905ad56c2ae5eaad951d71c36a949e0c1835b1473e298e7a413f5016c83942574ccb

  • \Users\Admin\AppData\Local\Temp\FANBooster140\FANBooster140.exe

    Filesize

    1.5MB

    MD5

    0084ff6c74c4a4782227be917bf50bd0

    SHA1

    ab3a1dc7dad72e7f8ed5b8a359014ae87c89db1a

    SHA256

    7bddb7e828511f4f0234f57fb1a43d9335fc7250f071a91d93f3134abfa52c24

    SHA512

    a5579cdf8bd0096626fa7e6571a06444c8fe8832bf4806f791f83e1b5894cb68c613fab96f20cbcb8dbe15cd8c32b25b4bf33f2b1595c5042e0187da42453a24

  • memory/2412-54-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-15-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-53-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-0-0x0000000000400000-0x000000000058D000-memory.dmp

    Filesize

    1.6MB

  • memory/2412-65-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-78-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-89-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-90-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-103-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-108-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB

  • memory/2412-1-0x00000000007D0000-0x000000000094D000-memory.dmp

    Filesize

    1.5MB