Analysis
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max time kernel
150s -
max time network
107s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2022 22:11
Static task
static1
Behavioral task
behavioral1
Sample
1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe
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Size
88KB
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MD5
40e359cc1a7a12f607856e59bee59510
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SHA1
086f7f1611c94878e546160bb54c4dd22f8080a4
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SHA256
1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306
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SHA512
41c23d42dbbc20dc4f4643cdf691b81e020cad5c28ca97f2eb0ade470d448522bfbf3166046d06eb929235ec5e07bb53f621f004cf3da656ea381ff70426db4b
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SSDEEP
768:SEb6o58+nURLQ/JD60XDeVtA5YxmHwWW2iYf/ce2NZQcyfbdg5CIBT/DCwaTDNmx:S+8+IQ/JDHKa5LJW6/Z2NZQCvDmNmopA
Score
10/10
Malware Config
Signatures
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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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" tfkiq.exe -
Executes dropped EXE 1 IoCs
pid Process 5108 tfkiq.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /b" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /k" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /o" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /e" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /y" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /r" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /i" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /x" tfkiq.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /s" 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /z" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /m" tfkiq.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run\ tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /d" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /n" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /c" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /j" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /w" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /u" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /h" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /f" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /q" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /l" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /v" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /p" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /a" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /s" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /t" tfkiq.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tfkiq = "C:\\Users\\Admin\\tfkiq.exe /g" tfkiq.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe 5108 tfkiq.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 5108 tfkiq.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4900 wrote to memory of 5108 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 86 PID 4900 wrote to memory of 5108 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 86 PID 4900 wrote to memory of 5108 4900 1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe"C:\Users\Admin\AppData\Local\Temp\1e4f75cfcef77d0df6da0427649af40f19ded23044af80113c59746283475306.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Users\Admin\tfkiq.exe"C:\Users\Admin\tfkiq.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:5108
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD549cbdf58f1c1fa59b82437f5ffe05e14
SHA11adb42a3c31d5c1fbb2b0865d0ae6b04a355bdb0
SHA256c37330fc641c83b103d18615f56320fcb592c800ef0cfb723f59e2c453252d1e
SHA512448867f5ed0dc621b62f5cb2d8300899d071513ec6662d315ee3c784011f62782092f3eccf021b3462ab5c26797eb6f3132f7283eb42098dc38d0fa2b430f7c5
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Filesize
88KB
MD549cbdf58f1c1fa59b82437f5ffe05e14
SHA11adb42a3c31d5c1fbb2b0865d0ae6b04a355bdb0
SHA256c37330fc641c83b103d18615f56320fcb592c800ef0cfb723f59e2c453252d1e
SHA512448867f5ed0dc621b62f5cb2d8300899d071513ec6662d315ee3c784011f62782092f3eccf021b3462ab5c26797eb6f3132f7283eb42098dc38d0fa2b430f7c5