Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
- submitted
14/05/2024, 01:27
General
- Target 4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe
- Size 1.4MB
- Sample240514-bt84dseb95
- SHA256 845318e1a65284778f53efd4f5d611e41dfe11138432d7e266e5568595d4f920
Malware Config
Signatures
- DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
- Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- DCRat payload 3 IoCs
Detects payload of DCRat, commonly dropped by NSIS installers.
- Executes dropped EXE 1 IoCs
- Drops file in Program Files directory 5 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 6 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- 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
-
C:\Users\Admin\AppData\Local\Temp\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Mozilla Firefox\winlogon.exe"C:\Program Files\Mozilla Firefox\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics4" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /f1⤵
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics4" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
-
C:\Windows\system32\schtasks.exeschtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /rl HIGHEST /f1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
winlogon.exe
memory/1756-8-0x00000000006E0000-0x00000000006EC000-memory.dmp
memory/1756-2-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp
memory/1756-3-0x0000000000430000-0x000000000043E000-memory.dmp
memory/1756-6-0x0000000000440000-0x000000000044C000-memory.dmp
memory/1756-5-0x0000000000680000-0x0000000000696000-memory.dmp
memory/1756-0-0x000007FEF5A43000-0x000007FEF5A44000-memory.dmp
memory/1756-7-0x00000000004D0000-0x00000000004DC000-memory.dmp
memory/1756-9-0x0000000000740000-0x000000000074C000-memory.dmp
memory/1756-4-0x0000000000660000-0x000000000067C000-memory.dmp
memory/1756-1-0x00000000000B0000-0x0000000000218000-memory.dmp
memory/1756-21-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp
memory/2488-20-0x00000000011D0000-0x0000000001338000-memory.dmp