Analysis
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max time kernel
149s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
29-12-2024 19:53
Behavioral task
behavioral1
Sample
117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe
Resource
win7-20240729-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe
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Size
3.7MB
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MD5
cd9cd758a30909ee7cd0ddd3cc7d448c
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SHA1
3bb456472e0cc70aaa7b871d843e3d6aae219415
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SHA256
117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6
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SHA512
123aa84c096c8e0b798c19ba8537f9224b7a1931e6b0ff1ccc7f2f1a0e6030c141ff95f5432d00c5b28c9bd39622d5c0b6bd406aa133ee2498f039186fecae14
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SSDEEP
49152:PiDPHU7dtKUZayY912cBfIYx9lW8SMuPwNHnNCl3k+PynJIFMVP0fp7TVWgZUfQc:oP076UZLY+NYxX/yxqymqB97UfQc
Score
10/10
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe Set value (int) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tkbiz.exe -
Modiloader family
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ModiLoader Second Stage 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120fd-7.dat modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 1388 tkbiz.exe -
Loads dropped DLL 2 IoCs
pid Process 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /q" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /j" 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /g" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /z" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /I" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /H" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /U" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /j" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /u" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /E" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /t" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /d" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /G" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /o" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /i" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /f" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /B" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /n" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /P" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /S" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /R" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /N" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /s" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /b" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /D" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /x" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /m" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /O" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /J" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /y" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /v" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /r" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /V" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /K" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /Z" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /w" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /k" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /Q" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /a" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /T" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /Y" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /F" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /M" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /X" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /l" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /c" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /A" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /e" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /L" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /p" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /C" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /h" tkbiz.exe Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tkbiz = "C:\\Users\\Admin\\tkbiz.exe /W" tkbiz.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tkbiz.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe 1388 tkbiz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 1388 tkbiz.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2540 wrote to memory of 1388 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 29 PID 2540 wrote to memory of 1388 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 29 PID 2540 wrote to memory of 1388 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 29 PID 2540 wrote to memory of 1388 2540 117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe"C:\Users\Admin\AppData\Local\Temp\117a9f130eabdc825674c5e2a683632c2e87c442e4537786c4dee84c92901ca6.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540 -
C:\Users\Admin\tkbiz.exe"C:\Users\Admin\tkbiz.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1388
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.7MB
MD5fa0bf911f16547b232f45f246eed0b56
SHA1c0b5e3fc920642829e6199da93334b6aeb7d1f30
SHA2565ce6ce2032cf92530506910cfac885f038ea908c2f20b346bcaa0cd506175fb8
SHA512babf8a88cfe5150aa45c3fc7bc83a4a428fde63767b97d501cba79c3a799592dc1ca5a3410f6f80740c4b415e5bdfcb3311e06924b6168bddb16e645d0e0c633