Analysis

  • max time kernel
    37s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-03-2023 14:34

General

  • Target

    7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe

  • Size

    6.7MB

  • MD5

    da503ddb68a25aa665e0e15855ef4012

  • SHA1

    0c016eb8eb016a1d0d36e1dc338e2766d40c7464

  • SHA256

    7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b

  • SHA512

    eff07f20f8d9ba9b337220a4143d61eeabee58a3788f796563581e7ad5dcd6a297124987ebab8675752fd3f0a3cb14fbd29d7dc9ae568aa866ce3be8734fbc47

  • SSDEEP

    98304:fPTCG6TDhi5vXL1tnX5Iz3OIyN5RRZc2B9iv/BE645Z5rhnqrKUIqf5pQNVPoPY:f7CG6TQZLzkeIcRZvBQvq6erFQKqLQ3

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe
    "C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe"
    1⤵
    • Maps connected drives based on registry
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\7d23a41da6b0a4c455aed086067e7eb764669ce4e567b9b11cb97588eccb903b.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\SysWOW64\timeout.exe
        timeout -t 5
        3⤵
        • Delays execution with timeout.exe
        PID:1144

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\24F5.tmp
    Filesize

    32B

    MD5

    48255136fc205998b4ebbe6f72b5cdd0

    SHA1

    c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1

    SHA256

    00523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c

    SHA512

    c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de

  • C:\Users\Admin\AppData\Local\Temp\2586.tmp
    Filesize

    71KB

    MD5

    6082dd13ad8102d17f9db9cd07600e97

    SHA1

    39becc88cea914d843b3c5521038907f2f2f4e71

    SHA256

    40a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a

    SHA512

    b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e

  • memory/1636-65-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/1636-67-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/1636-58-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1636-59-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1636-60-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1636-61-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1636-62-0x0000000000250000-0x0000000000251000-memory.dmp
    Filesize

    4KB

  • memory/1636-64-0x00000000002A0000-0x00000000002A1000-memory.dmp
    Filesize

    4KB

  • memory/1636-55-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1636-57-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/1636-68-0x00000000002B0000-0x00000000002B1000-memory.dmp
    Filesize

    4KB

  • memory/1636-70-0x00000000002C0000-0x00000000002C1000-memory.dmp
    Filesize

    4KB

  • memory/1636-71-0x00000000002C0000-0x00000000002C1000-memory.dmp
    Filesize

    4KB

  • memory/1636-73-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/1636-74-0x00000000002D0000-0x00000000002D1000-memory.dmp
    Filesize

    4KB

  • memory/1636-75-0x0000000000400000-0x0000000000EFB000-memory.dmp
    Filesize

    11.0MB

  • memory/1636-56-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB

  • memory/1636-54-0x0000000000230000-0x0000000000231000-memory.dmp
    Filesize

    4KB