Analysis

  • max time kernel
    129s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-06-2022 04:12

General

  • Target

    1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe

  • Size

    754KB

  • MD5

    0bd7bc24988a724e7d5418d5bc6f4623

  • SHA1

    6c8ba77ed05cce7a3e8e6dc6cef448c9341ecb80

  • SHA256

    1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c

  • SHA512

    f965edb7008af0f4f7aeba4c3f1a899a9262dcc38c3c0d3266045816cb879e05d51e5b89f88c03f950fb6c07d9bc9f5fe79b5704f11ac5151c80115d6f06aa2d

Score
9/10

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 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 1 IoCs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe
    "C:\Users\Admin\AppData\Local\Temp\1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe
      "C:\Users\Admin\AppData\Local\Temp\1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:324
      • 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\tmpAE9F.tmp"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4856
      • 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\tmpB6CE.tmp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:784

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1d425843f04fdb8b7d379c09e84751e69d164f23869d981fb26a10dd9e9afc1c.exe.log
    Filesize

    500B

    MD5

    298d9d1774105fc942fb8bbf03cfe267

    SHA1

    472a25b3a1529a342e24c4332691c974af205fa4

    SHA256

    23fcbc819b0a201a04c630d08f53b40475f84add3d2bef87b2405d92f13ce2b1

    SHA512

    bdb6aacee078287f51306f8f69da1b025cc5ec0359a2f1bd4b29bc87cee569fced3e25d55cd13a414b3ec9390b6e393bf975b52de4c7896641dfa5c175357cbe

  • C:\Users\Admin\AppData\Local\Temp\tmpAE9F.tmp
    Filesize

    4KB

    MD5

    bdf65f70610625cc771c5cc7ce168c7d

    SHA1

    a8829b1c071ed0521d11925a98468c12a53a03b8

    SHA256

    b66236dd86f140ca02db0c296e45032b272de2895c4f047a562e73bc8395dba5

    SHA512

    add2db50b0440b07ecc48a5fde7f0b72e84b76f11ea060944afa28ddd03791e6adb3bfca704254131fb3f591f484b37f7276fab96b0c4776a27cb526bcf5f3a4

  • memory/324-141-0x0000000074840000-0x0000000074DF1000-memory.dmp
    Filesize

    5.7MB

  • memory/324-132-0x0000000000000000-mapping.dmp
  • memory/324-136-0x0000000074840000-0x0000000074DF1000-memory.dmp
    Filesize

    5.7MB

  • memory/784-149-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/784-148-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/784-146-0x0000000000400000-0x000000000041C000-memory.dmp
    Filesize

    112KB

  • memory/784-145-0x0000000000000000-mapping.dmp
  • memory/2820-135-0x0000000074840000-0x0000000074DF1000-memory.dmp
    Filesize

    5.7MB

  • memory/2820-130-0x0000000074840000-0x0000000074DF1000-memory.dmp
    Filesize

    5.7MB

  • memory/2820-131-0x0000000074840000-0x0000000074DF1000-memory.dmp
    Filesize

    5.7MB

  • memory/4856-142-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4856-143-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4856-140-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4856-138-0x0000000000400000-0x000000000045B000-memory.dmp
    Filesize

    364KB

  • memory/4856-137-0x0000000000000000-mapping.dmp