Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 02:15

General

  • Target

    3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522.exe

  • Size

    950KB

  • MD5

    c62053e5f1a09b35fb6efc94929fc0da

  • SHA1

    efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

  • SHA256

    3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

  • SHA512

    9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    slimguyslim@yandex.com
  • Password:
    123slimguy123

Signatures

  • HawkEye

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

  • NirSoft MailPassView 9 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 9 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 14 IoCs
  • Executes dropped EXE 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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 use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522.exe
    "C:\Users\Admin\AppData\Local\Temp\3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Users\Admin\AppData\Local\Temp\3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522.exe
      C:\Users\Admin\AppData\Local\Temp\3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1180
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1132
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:1552
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
            5⤵
              PID:1628

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Email Collection

    1
    T1114

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      102B

      MD5

      efec50e661a55496ec64c0fe767e32f9

      SHA1

      f5f1f639941dfe3d859085b47783b1150c74b4f5

      SHA256

      de2ad3dc342beb4b553b3c2ab730641d0b67ae028056e88ca13d36d0f986b1fa

      SHA512

      ecf8b63055aa822bd16cdf6bcdc1b20faacf4505ae31cd1bd74a8089274d7d9343509bf745c6bac9cfd4e3cbca1d73c3d74462dc780e89d24e94ad061a6b207a

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

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • \Users\Admin\AppData\Roaming\Windows Update.exe
      Filesize

      950KB

      MD5

      c62053e5f1a09b35fb6efc94929fc0da

      SHA1

      efdd44bc70dc0f5dd7dbc90eac7c1903062b4946

      SHA256

      3f3e40cc718ddba7c0e2ad51dcd64ef5d3f1a6f0e31f66e663c3a31e2d434522

      SHA512

      9936ea54cd13198104b3c0f1abf2060e3306fd3d549298a78dfaa270793cb72bb6807c3d3f6d2de831158f148a3da4ae56d879cbec572012c7a5b24a928868f0

    • memory/320-73-0x0000000000000000-mapping.dmp
    • memory/320-88-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/824-56-0x0000000000510000-0x0000000000518000-memory.dmp
      Filesize

      32KB

    • memory/824-57-0x00000000750C1000-0x00000000750C3000-memory.dmp
      Filesize

      8KB

    • memory/824-59-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/1132-105-0x0000000073F80000-0x000000007452B000-memory.dmp
      Filesize

      5.7MB

    • memory/1132-109-0x0000000006C95000-0x0000000006CA6000-memory.dmp
      Filesize

      68KB

    • memory/1132-101-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/1132-103-0x0000000008CD0000-0x00000000097C8000-memory.dmp
      Filesize

      11.0MB

    • memory/1132-102-0x0000000073F80000-0x000000007452B000-memory.dmp
      Filesize

      5.7MB

    • memory/1132-85-0x00000000004CED1E-mapping.dmp
    • memory/1132-119-0x0000000006C95000-0x0000000006CA6000-memory.dmp
      Filesize

      68KB

    • memory/1132-94-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1132-98-0x00000000067B0000-0x0000000006840000-memory.dmp
      Filesize

      576KB

    • memory/1180-66-0x0000000000750000-0x00000000007E0000-memory.dmp
      Filesize

      576KB

    • memory/1180-78-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/1180-76-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/1180-58-0x00000000004CED1E-mapping.dmp
    • memory/1180-69-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/1180-63-0x0000000000400000-0x0000000000477000-memory.dmp
      Filesize

      476KB

    • memory/1180-71-0x0000000074530000-0x0000000074ADB000-memory.dmp
      Filesize

      5.7MB

    • memory/1180-70-0x00000000774E0000-0x0000000077660000-memory.dmp
      Filesize

      1.5MB

    • memory/1552-106-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-113-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-111-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-120-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1552-107-0x0000000000411654-mapping.dmp
    • memory/1628-114-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1628-115-0x0000000000442628-mapping.dmp
    • memory/1628-118-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1628-122-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1628-124-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB