Analysis

  • max time kernel
    154s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 12:42

General

  • Target

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f.exe

  • Size

    1.2MB

  • MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

  • SHA1

    600f41cb2a056208e1bf928440643f617478912b

  • SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

  • SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • SSDEEP

    24576:E2a5a9gHSaExU8QGqpwI8qknngTkRuCdfKLtlsDbS4kfSgJ4VHa6:A5a9gHSNUjGqpN8HnttdifsDbS48SgJN

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f.exe
    "C:\Users\Admin\AppData\Local\Temp\41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f.exe
      "C:\Users\Admin\AppData\Local\Temp\41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • Suspicious use of AdjustPrivilegeToken
        PID:764
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" -f "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:960
    • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1232
        • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe"
          4⤵
          • Executes dropped EXE
          PID:1652
    • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1060

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\holdermail.txt
    Filesize

    327B

    MD5

    1265c5140a2f68b05b92aa1a25a2abb6

    SHA1

    627a660e9d2a41c8c4a662ca44fdb68a1356bc82

    SHA256

    694bae0c1ebf6f8eeb8d902b1bfad57ed9a42dea6d3e327a0137a1c9f4f0c6b9

    SHA512

    ad6a1dd57ec84459f28926d07e25f2c4f49dc67ff95b8400e85c3bcb8eccc471dbac5e2b1a2758fb563866ecacc2fae4657dfb85197fb4cd2547eef334b8a216

  • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
    Filesize

    1.2MB

    MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

    SHA1

    600f41cb2a056208e1bf928440643f617478912b

    SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

    SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
    Filesize

    1.2MB

    MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

    SHA1

    600f41cb2a056208e1bf928440643f617478912b

    SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

    SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • C:\Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
    Filesize

    1.2MB

    MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

    SHA1

    600f41cb2a056208e1bf928440643f617478912b

    SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

    SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
    Filesize

    10KB

    MD5

    bf02279434500b30877a522434389851

    SHA1

    fe29e7a8eae7ffb6030e6fe0447ec92bf8f65e27

    SHA256

    3273a7509ed5c93a2f2c1020e2acc36b2c3be23973f597562a5542eac0554056

    SHA512

    af1ba3f8c7af769604c717286d3e7a2b2464f27603d0029c313e432984f9ad55e41672ccda38349906bbf962d4c3eef39b276b6e3ee2617d7f014057bd6789fd

  • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
    Filesize

    10KB

    MD5

    bf02279434500b30877a522434389851

    SHA1

    fe29e7a8eae7ffb6030e6fe0447ec92bf8f65e27

    SHA256

    3273a7509ed5c93a2f2c1020e2acc36b2c3be23973f597562a5542eac0554056

    SHA512

    af1ba3f8c7af769604c717286d3e7a2b2464f27603d0029c313e432984f9ad55e41672ccda38349906bbf962d4c3eef39b276b6e3ee2617d7f014057bd6789fd

  • C:\Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
    Filesize

    10KB

    MD5

    bf02279434500b30877a522434389851

    SHA1

    fe29e7a8eae7ffb6030e6fe0447ec92bf8f65e27

    SHA256

    3273a7509ed5c93a2f2c1020e2acc36b2c3be23973f597562a5542eac0554056

    SHA512

    af1ba3f8c7af769604c717286d3e7a2b2464f27603d0029c313e432984f9ad55e41672ccda38349906bbf962d4c3eef39b276b6e3ee2617d7f014057bd6789fd

  • C:\Users\Admin\AppData\Roaming\pid.txt
    Filesize

    4B

    MD5

    6a2feef8ed6a9fe76d6b3f30f02150b4

    SHA1

    14b21325096dd31c90a39900a910122c4d9fe3d9

    SHA256

    5f302d143dace627a6a87157fd1362b010874e4dc64609b17d87db648de0af3c

    SHA512

    1b4883f1e981c4934e346f8996cb55508c738e8b2221462c890836c5182a25f735de719d575f67724ce9f5925a33a882192543fa715ef99b70a2ad75a647ba46

  • \Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
    Filesize

    1.2MB

    MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

    SHA1

    600f41cb2a056208e1bf928440643f617478912b

    SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

    SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • \Users\Admin\AppData\Roaming\Microsoft\AudioEndpointBuilder.exe
    Filesize

    1.2MB

    MD5

    ceabbc90cd1582f1e9b6bebaea1684f1

    SHA1

    600f41cb2a056208e1bf928440643f617478912b

    SHA256

    41cacd0a1beb6dfefc7232166910ea87e447024361d26b03e1aba73df0b6f04f

    SHA512

    666487dd5204b3a467f23bc874604b7984472856a696795cbb68988c98781b16cf92b425619290aeb1ac4d520d25b22cf83718e54a73616a979ea6da39e78f95

  • \Users\Admin\AppData\Roaming\Microsoft\BrokerInfrastructure.exe
    Filesize

    10KB

    MD5

    bf02279434500b30877a522434389851

    SHA1

    fe29e7a8eae7ffb6030e6fe0447ec92bf8f65e27

    SHA256

    3273a7509ed5c93a2f2c1020e2acc36b2c3be23973f597562a5542eac0554056

    SHA512

    af1ba3f8c7af769604c717286d3e7a2b2464f27603d0029c313e432984f9ad55e41672ccda38349906bbf962d4c3eef39b276b6e3ee2617d7f014057bd6789fd

  • memory/764-122-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-121-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-138-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-118-0x0000000000462B6D-mapping.dmp
  • memory/764-117-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-116-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-114-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-112-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-110-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/764-109-0x0000000000400000-0x000000000048E000-memory.dmp
    Filesize

    568KB

  • memory/960-123-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-124-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-136-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-135-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-131-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-132-0x0000000000460E2D-mapping.dmp
  • memory/960-130-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-126-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/960-128-0x0000000000400000-0x000000000048B000-memory.dmp
    Filesize

    556KB

  • memory/1060-85-0x0000000000000000-mapping.dmp
  • memory/1060-107-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1060-99-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-57-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-58-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-68-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-60-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-62-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-63-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1092-84-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-75-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-64-0x000000000051BB6E-mapping.dmp
  • memory/1092-66-0x0000000000400000-0x0000000000522000-memory.dmp
    Filesize

    1.1MB

  • memory/1232-82-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1232-106-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1232-79-0x0000000000000000-mapping.dmp
  • memory/1236-56-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1236-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp
    Filesize

    8KB

  • memory/1236-55-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-108-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-105-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1652-96-0x000000000051BB6E-mapping.dmp
  • memory/1972-83-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1972-76-0x0000000074200000-0x00000000747AB000-memory.dmp
    Filesize

    5.7MB

  • memory/1972-71-0x0000000000000000-mapping.dmp