Analysis
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max time kernel
172s -
max time network
184s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
24-12-2023 22:34
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1615c973bf40986ed4842489f4c9c3f2.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
1615c973bf40986ed4842489f4c9c3f2.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
1615c973bf40986ed4842489f4c9c3f2.exe
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Size
300KB
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MD5
1615c973bf40986ed4842489f4c9c3f2
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SHA1
5b320b57fe4f42c30cc2d00d1b8460371abb0c60
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SHA256
6cd986e4248ff3f184b0c787f6534fb58250ab73f1fd9aa15bae95d626b735a7
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SHA512
e8b2ae1f7c44d375c5684a58b705ae990b248fd241b31e6e6705b8078e5e5758878d7ec728bd8ca6a1d2ddb461371bb8e90b6ed0fdaf6fa3f8e18aea3184cfa5
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SSDEEP
6144:ke9aKpFY/kJqeNhi0GTvHMww3y/IAFMsq:f8cEeNIAAFMsq
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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 1615c973bf40986ed4842489f4c9c3f2.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" fymaof.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-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation 1615c973bf40986ed4842489f4c9c3f2.exe -
Executes dropped EXE 1 IoCs
pid Process 1644 fymaof.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /Y" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /h" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /M" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /I" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /X" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /O" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /F" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /H" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /t" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /c" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /T" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /R" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /B" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /m" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /P" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /v" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /r" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /V" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /k" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /z" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /n" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /C" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /f" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /Q" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /K" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /G" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /E" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /Z" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /w" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /q" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /j" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /o" 1615c973bf40986ed4842489f4c9c3f2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /g" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /S" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /L" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /l" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /p" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /x" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /W" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /D" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /u" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /y" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /a" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /b" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /A" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /s" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /i" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /e" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /o" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /U" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /J" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /N" fymaof.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fymaof = "C:\\Users\\Admin\\fymaof.exe /d" fymaof.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3200 1615c973bf40986ed4842489f4c9c3f2.exe 3200 1615c973bf40986ed4842489f4c9c3f2.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe 1644 fymaof.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3200 1615c973bf40986ed4842489f4c9c3f2.exe 1644 fymaof.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3200 wrote to memory of 1644 3200 1615c973bf40986ed4842489f4c9c3f2.exe 93 PID 3200 wrote to memory of 1644 3200 1615c973bf40986ed4842489f4c9c3f2.exe 93 PID 3200 wrote to memory of 1644 3200 1615c973bf40986ed4842489f4c9c3f2.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\1615c973bf40986ed4842489f4c9c3f2.exe"C:\Users\Admin\AppData\Local\Temp\1615c973bf40986ed4842489f4c9c3f2.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:3200 -
C:\Users\Admin\fymaof.exe"C:\Users\Admin\fymaof.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:1644
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
300KB
MD513bb911e5c1d549de3687ac7a68dbd93
SHA19c5fa73abec101e26d5598e3efe1a23a4590956b
SHA2567b11374df10c36f9e73c7c0694afaa5b1fe01c9394a72971d8ac623a2c5330b3
SHA512e97c28cfbb9c1c066d2219455b218530f248b0da33c6c37f89e4c04754c5c420f90fb0d7edad1f272399999d3bde531d62f357eceb593d685b6cc51ba1b25612