Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/07/2026, 01:58

General

  • Target
    2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe
  • Size 7.4MB
  • Sample260705-cdt5zagv8s
  • SHA256 914eec67344c3d5389b4d8b3348deec7b7fd78b53db278cdd86d6169ceb59c21
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 192.253.229.177:447

  • 192.253.229.177:448

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 6.17

Signatures

  • Family: ValleyRat

    ValleyRat stage2 is a backdoor written in C++.

  • UAC bypass 3 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-05_066732c06fbac8528c1db82f25cfedf5_cobalt-strike_icedid_satacom_stealc_vidar.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
      "C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:3404
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /query /tn "Startup_1exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4688
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /query /tn "Startup_1exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3900
    • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\YourApp\Home Renovation Style Design Plans.pptx" /ou ""
      2⤵
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:3904
  • C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
    C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:3520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3520 -s 488
      2⤵
      • Program crash
      PID:4752
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3520 -ip 3520
    1⤵
      PID:4588

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Home Renovation Style Design Plans.pptx

          • Path C:\Users\Admin\AppData\Local\YourApp\Home Renovation Style Design Plans.pptx
          • Size 5.9MB
          • SHA256 099abc20a43b75a1b7a77c99afa3b98cc64f0d90fd9d8d44acae9c73eb37543d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qbcore.dll

          • Path C:\Users\Admin\AppData\Local\YourApp\qbcore.dll
          • Size 135KB
          • SHA256 b89dec15d49ef292763696466e806a2e18f69e4fb755e88a23349526fabe9fc4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          wechatweb.exe

          • Path C:\Users\Admin\AppData\Local\YourApp\wechatweb.exe
          • Size 1.1MB
          • SHA256 4aca01657684c8230b628705a7dd20fb0b047b13a8772179ca08e857f3b24801
          • MD5 SHA1 SHA512 SSDEEP TLSH

          资料.txt

          • Path C:\Users\Admin\AppData\Local\YourApp\资料.txt
          • Size 606KB
          • SHA256 6e61135314781405092c75008acb26fee6724ee05096d229ef968860cfad75b8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          上线信息.ini

          • Path C:\Users\Public\上线信息.ini
          • Size 27B
          • SHA256 e04175b61deb9ce926bd5e6152cb303e2600fe4a3cab254c48f05e847eda07cf
          • MD5 SHA1 SHA512

          memory/3404-70-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-48-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-51-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-65-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-49-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-71-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-62-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-66-0x0000000003410000-0x00000000034DD000-memory.dmp

          memory/3404-47-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-45-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-46-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-72-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-41-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3404-36-0x0000000010000000-0x000000001009F000-memory.dmp

          memory/3904-32-0x00007FFB60930000-0x00007FFB60940000-memory.dmp

          memory/3904-19-0x00007FFB62990000-0x00007FFB629A0000-memory.dmp

          memory/3904-22-0x00007FFBA29AD000-0x00007FFBA29AE000-memory.dmp

          memory/3904-20-0x00007FFB62990000-0x00007FFB629A0000-memory.dmp

          memory/3904-21-0x00007FFB62990000-0x00007FFB629A0000-memory.dmp

          memory/3904-33-0x00007FFB60930000-0x00007FFB60940000-memory.dmp

          memory/3904-23-0x00007FFB62990000-0x00007FFB629A0000-memory.dmp

          memory/3904-26-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-28-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-30-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-31-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-29-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-27-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-24-0x00007FFB62990000-0x00007FFB629A0000-memory.dmp

          memory/3904-25-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp

          memory/3904-73-0x00007FFBA2910000-0x00007FFBA2B05000-memory.dmp