Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/07/2024, 07:51
General
- Target 4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe
- Size 719KB
- Sample240701-jp4bcazejd
- SHA256 4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f
Malware Config
Extracted
-
darkcomet
-
bloodyvictim
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gehtdichnixan.no-ip.org:21
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DC_MUTEX-M48G38K
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InstallPath
Antivirus Smart.exe
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gencode
uc6fEUW70PuU
-
install
true
-
offline_keylogger
true
-
persistence
false
-
reg_key
Antivir Update 7.0.3.9
Signatures
- Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Modifies security service 2 TTPs 1 IoCs
- Disables Task Manager via registry modification
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 3 IoCs
- UPX packed file 25 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 48 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 39 IoCs
- System policy modification 1 TTPs 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe"C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exeC:\Users\Admin\AppData\Local\Temp\4121f49259adce0401501e7afe372cb729b1870e655261540dcef4232b4dd07f_NeikiAnalytics.exe2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ANTIVIRUS.EXE"C:\Users\Admin\AppData\Local\Temp\ANTIVIRUS.EXE"3⤵
- Executes dropped EXE
-
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C:\Windows\SysWOW64\notepad.exenotepad3⤵
- Deletes itself
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C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Antivirus Smart.exe"4⤵
- Modifies security service
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
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-
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1288,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=4276 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
Antivirus Smart.exe
ANTIVIRUS.EXE
memory/1108-27-0x0000000072B30000-0x00000000732E0000-memory.dmp
memory/1108-47-0x0000000072B3E000-0x0000000072B3F000-memory.dmp
memory/1108-48-0x0000000072B30000-0x00000000732E0000-memory.dmp
memory/1108-25-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/1108-26-0x0000000005310000-0x0000000005366000-memory.dmp
memory/1108-20-0x0000000072B3E000-0x0000000072B3F000-memory.dmp
memory/1108-21-0x0000000000700000-0x000000000072A000-memory.dmp
memory/1108-22-0x00000000050C0000-0x000000000515C000-memory.dmp
memory/1108-23-0x0000000005780000-0x0000000005D24000-memory.dmp
memory/1108-24-0x0000000005270000-0x0000000005302000-memory.dmp
memory/2532-4-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/2532-3-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/2532-6-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/2532-5-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/2532-34-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/2532-1-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-41-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-57-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-40-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-44-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-43-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-46-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-61-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-60-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-49-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-50-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-51-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-52-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-53-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-54-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-55-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-56-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-42-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-58-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/3864-59-0x0000000000400000-0x00000000004DC000-memory.dmp
memory/4484-0-0x0000000000650000-0x0000000000654000-memory.dmp
memory/4732-28-0x0000000001060000-0x0000000001061000-memory.dmp