Analysis
- max time kernel
121s - max time network
122s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
05/06/2024, 02:09
Behavioral task
behavioral1
Sample
2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe
Resource
win10v2004-20240508-en
General
- Target 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe
- Size 1.9MB
- Sample240605-cldsysbh96
- SHA256 cab29c9ab55e8abba46f02e6002a5f34169ed7b8b370280011cd44eb5475bb3d
- MD5 2a4c4774b3dc169e1bcd80dcba50c680
- SHA1 0c83656b967256f1732a5cf09a6ea97f74e1eb81
- SHA512 298fbadd09162f18dced5f605b00b1fdee93b41e6834f65ae580682e7c63a7d3267f082d2b2084cb609fb71f65fd679dcaca363d27eb4bafb06d4cb08e61eee6
- SSDEEP 24576:5cIqg3pZ9Lbp1x5mMnbJ4ANfUAlkDd/2uUpET57RLGKETv/cyUM6MniOlsxvZBSg:XrhDbJ4dAlkpuuUpY57cKEr0a7iOyKc
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\security\\ApplicationId\\PolicyManagement\\Idle.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\security\\ApplicationId\\PolicyManagement\\Idle.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\spoolsv.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe - Process spawned unexpected child process 6 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2492 2604 schtasks.exe 28 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2464 2604 schtasks.exe 28 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2620 2604 schtasks.exe 28 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2476 2604 schtasks.exe 28 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2484 2604 schtasks.exe 28 Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2804 2604 schtasks.exe 28 -
resource yara_rule behavioral1/memory/2796-1-0x00000000009E0000-0x0000000000BDA000-memory.dmp dcrat behavioral1/files/0x000c00000001444f-32.dat dcrat behavioral1/memory/2120-66-0x00000000001E0000-0x00000000003DA000-memory.dmp dcrat behavioral1/files/0x0007000000015cb9-65.dat dcrat behavioral1/files/0x0007000000015cb9-64.dat dcrat - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2404 powershell.exe 1636 powershell.exe 764 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 2120 spoolsv.exe - Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Microsoft Office\\Office14\\1033\\spoolsv.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Windows\\security\\ApplicationId\\PolicyManagement\\Idle.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Windows\\security\\ApplicationId\\PolicyManagement\\Idle.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files\\Microsoft Office\\Office14\\1033\\spoolsv.exe\"" 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe - Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File created C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File created C:\Program Files\Microsoft Office\Office14\1033\f3b6ecef712a24 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File opened for modification C:\Program Files\Microsoft Office\Office14\1033\RCX1E9A.tmp 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File opened for modification C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File created C:\Windows\security\ApplicationId\PolicyManagement\6ccacd8608530f 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe File opened for modification C:\Windows\security\ApplicationId\PolicyManagement\RCX1C96.tmp 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe - Creates scheduled task(s) 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2804 schtasks.exe 2492 schtasks.exe 2464 schtasks.exe 2620 schtasks.exe 2476 schtasks.exe 2484 schtasks.exe - Suspicious behavior: EnumeratesProcesses 49 IoCs
pid Process 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 2404 powershell.exe 1636 powershell.exe 764 powershell.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe 2120 spoolsv.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 764 powershell.exe Token: SeDebugPrivilege 2120 spoolsv.exe - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2796 wrote to memory of 2404 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 35 PID 2796 wrote to memory of 2404 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 35 PID 2796 wrote to memory of 2404 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 35 PID 2796 wrote to memory of 764 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 36 PID 2796 wrote to memory of 764 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 36 PID 2796 wrote to memory of 764 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 36 PID 2796 wrote to memory of 1636 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 37 PID 2796 wrote to memory of 1636 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 37 PID 2796 wrote to memory of 1636 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 37 PID 2796 wrote to memory of 2884 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 41 PID 2796 wrote to memory of 2884 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 41 PID 2796 wrote to memory of 2884 2796 2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe 41 PID 2884 wrote to memory of 1628 2884 cmd.exe 43 PID 2884 wrote to memory of 1628 2884 cmd.exe 43 PID 2884 wrote to memory of 1628 2884 cmd.exe 43 PID 2884 wrote to memory of 2120 2884 cmd.exe 44 PID 2884 wrote to memory of 2120 2884 cmd.exe 44 PID 2884 wrote to memory of 2120 2884 cmd.exe 44 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2a4c4774b3dc169e1bcd80dcba50c680_NeikiAnalytics.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:764
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\B2zC3mwCkt.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Windows\system32\w32tm.exew32tm /stripchart /computer:localhost /period:5 /dataonly /samples:23⤵PID:1628
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C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe"C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2120
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2804
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2484
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2476
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2492
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2620
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C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2464
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe
- Size 1.7MB
- SHA256 6e1cdb3636837e916055dd7de57ab29b9d3f0e2fd150bed47e57cb43fc9ce578
- MD5 48a9d5f85d2cf986c91b726811d134e1
- SHA1 0ab1df7788dbf7d2362729027cd25967a92b58ca
- SHA512 a8cd2a6949835bb9fa98e4877e51d4e125ecaccaf65c502a28eaa4c61d1b9c94b151e541ed657b0a719dd1d4e5574f8001b65eda6a57d4561704277bcf9ef1d0
- SSDEEP 24576:5cIqg3pZ9Lbp1x5mMnbJ4ANfUAlkDd/2uUpET57RLGKETv/cyUM6Mnc:XrhDbJ4dAlkpuuUpY57cKEr0a7c
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\Microsoft Office\Office14\1033\spoolsv.exe
- Size 448KB
- SHA256 b2c29957a411c89dc3b12fbf7eb61ddba5b374ca5af1b51b8a7f6fcabd1d9cfd
- MD5 e4b8c04846b0a4c79d6bb9da6f7fcfb5
- SHA1 88534595914df9695e55a79c93eeaf0b84ecd894
- SHA512 f874282257432c534164fb257f395275897495167921ada823695f4184f989c42f0a9a9742e258e3ceda6fb2c4bab3a992f03e10be8cd46b2055b4ae2fa95d1a
- SSDEEP 6144:5KdCUo52V3dcgMSSvqRg3RwPizA05sM3rzMtabHg8KmYIp:5+lYkcnDeg3sizpbvr9YIp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\B2zC3mwCkt.bat
- Size 224B
- SHA256 5dd6c2bcf5262780a934203e459d462c6f193faecb7393e350d44477b7275c6e
- MD5 ecc1b84f58058153ac2806272f6299ca
- SHA1 996dd3270d00af717755e19dc133091fffa94c6f
- SHA512 37708713452763edbb5749ceda40437f6082288a32d02b5667810503a8a780e00c4ff86b2f3897fe6593a4ed87ab8d9fb30f3db7f18e5cd7717798d4c4c75886
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
- Size 7KB
- SHA256 9e3a14fb5317fa6aaf48c44029594afd9b5bd6726e71b8135001a60213518980
- MD5 736ae16d9f7edc0c17681fcfd436b306
- SHA1 ee3f01c144eca166f97213553b43ace040459d12
- SHA512 0df1d390f2c7520691a54ffd88c295e7c877b1320f8e811c157749dc4b682369355ba0b992f34651f8848e3542529d7a6d7a633e3612ec1ee29d0c3a47e4386f
- SSDEEP 96:YAqqCZM8LnqvsqvJCwoBAqqCZM8LnqvsEHyqvJCworol5EQHNS7qVXlUVs:obXUofbXAHnoroYAS7qVr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\security\ApplicationId\PolicyManagement\Idle.exe
- Size 1.9MB
- SHA256 cab29c9ab55e8abba46f02e6002a5f34169ed7b8b370280011cd44eb5475bb3d
- MD5 2a4c4774b3dc169e1bcd80dcba50c680
- SHA1 0c83656b967256f1732a5cf09a6ea97f74e1eb81
- SHA512 298fbadd09162f18dced5f605b00b1fdee93b41e6834f65ae580682e7c63a7d3267f082d2b2084cb609fb71f65fd679dcaca363d27eb4bafb06d4cb08e61eee6
- SSDEEP 24576:5cIqg3pZ9Lbp1x5mMnbJ4ANfUAlkDd/2uUpET57RLGKETv/cyUM6MniOlsxvZBSg:XrhDbJ4dAlkpuuUpY57cKEr0a7iOyKc
- MD5 SHA1 SHA512 SSDEEP