Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2023, 07:20

General

  • Target

    ENERCOV RFQ (PO 20225181).exe

  • Size

    1.1MB

  • MD5

    2a46dbb7dd532d1d6624887801988e5e

  • SHA1

    0908803bedca22350152b0be22eba35f84d5b6d0

  • SHA256

    8114a7dc930bc7b12b35b25d097b7136649c1633f9a0cb2792498aaab7a68936

  • SHA512

    a0b735c1490bc802e701049039a29c624e086e4797091e2dbd78d9ba9c743995c7275e979f543fc129f71d0040d2573643619746e48811dbe6a6993021d23f56

  • SSDEEP

    24576:ltmmjBGjFVtUxZPux3AGjUCUMqQnFPZitJ4z4WQ:lKPt+5uxVwQnhAazpQ

Score
10/10

Malware Config

Extracted

Family

darkcloud

Attributes

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
    "C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RWIZKkp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWIZKkp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1325.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4416
    • C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe
      "C:\Users\Admin\AppData\Local\Temp\ENERCOV RFQ (PO 20225181).exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vk141wxl.aqg.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1325.tmp

    Filesize

    1KB

    MD5

    171425d9d3c02678a76b7eb54235434b

    SHA1

    7f4f945f7516471ae5f9f4b9fdd254fe9d220ccb

    SHA256

    2083f2e3d5d0e2a26c220cca27974a17dae201276ce6328763543e1c6be3a736

    SHA512

    18b8cabe6073a697069010a0d14916349e5613be3da86914bab2d6747f392a6084f843e53c6581933e7f5b43d7128bcf1c4387f2a0e06652fe983f02e1233acc

  • memory/2080-139-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-136-0x0000000004B20000-0x0000000004BB2000-memory.dmp

    Filesize

    584KB

  • memory/2080-137-0x0000000004D90000-0x0000000004DA0000-memory.dmp

    Filesize

    64KB

  • memory/2080-138-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

    Filesize

    40KB

  • memory/2080-140-0x0000000004D90000-0x0000000004DA0000-memory.dmp

    Filesize

    64KB

  • memory/2080-141-0x000000000A550000-0x000000000A5EC000-memory.dmp

    Filesize

    624KB

  • memory/2080-135-0x00000000050D0000-0x0000000005674000-memory.dmp

    Filesize

    5.6MB

  • memory/2080-134-0x0000000000130000-0x0000000000248000-memory.dmp

    Filesize

    1.1MB

  • memory/2080-133-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2080-156-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-152-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/4848-196-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/4848-155-0x0000000000400000-0x000000000046E000-memory.dmp

    Filesize

    440KB

  • memory/4908-158-0x0000000004C40000-0x0000000004C62000-memory.dmp

    Filesize

    136KB

  • memory/4908-184-0x00000000061C0000-0x00000000061DE000-memory.dmp

    Filesize

    120KB

  • memory/4908-151-0x0000000004E80000-0x00000000054A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4908-150-0x0000000004840000-0x0000000004850000-memory.dmp

    Filesize

    64KB

  • memory/4908-160-0x0000000004CE0000-0x0000000004D46000-memory.dmp

    Filesize

    408KB

  • memory/4908-148-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-166-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/4908-171-0x0000000005C10000-0x0000000005C2E000-memory.dmp

    Filesize

    120KB

  • memory/4908-172-0x0000000004840000-0x0000000004850000-memory.dmp

    Filesize

    64KB

  • memory/4908-173-0x00000000061E0000-0x0000000006212000-memory.dmp

    Filesize

    200KB

  • memory/4908-174-0x0000000070FF0000-0x000000007103C000-memory.dmp

    Filesize

    304KB

  • memory/4908-149-0x0000000004840000-0x0000000004850000-memory.dmp

    Filesize

    64KB

  • memory/4908-185-0x00000000075F0000-0x0000000007C6A000-memory.dmp

    Filesize

    6.5MB

  • memory/4908-186-0x0000000006C80000-0x0000000006C9A000-memory.dmp

    Filesize

    104KB

  • memory/4908-187-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

    Filesize

    40KB

  • memory/4908-188-0x00000000071B0000-0x0000000007246000-memory.dmp

    Filesize

    600KB

  • memory/4908-189-0x0000000007160000-0x000000000716E000-memory.dmp

    Filesize

    56KB

  • memory/4908-190-0x0000000007270000-0x000000000728A000-memory.dmp

    Filesize

    104KB

  • memory/4908-191-0x0000000007250000-0x0000000007258000-memory.dmp

    Filesize

    32KB

  • memory/4908-192-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-195-0x0000000075240000-0x00000000759F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4908-146-0x0000000002300000-0x0000000002336000-memory.dmp

    Filesize

    216KB