Resubmissions
28/03/2024, 19:58
240328-yp6h2afh52 1026/03/2024, 19:31
240326-x8k6rsac82 1026/03/2024, 19:29
240326-x7nv9sdb8v 326/03/2024, 19:26
240326-x5nsgsab94 10Analysis
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max time kernel
66s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
26/03/2024, 19:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe
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Size
172KB
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MD5
d5d67479100e986a12e93f9be917bd9c
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SHA1
33fad2e93fffeee3c2b358e57d44b632cbfc8e20
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SHA256
40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465
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SHA512
aaebd28f8c8222ebe8b9080135fa1ee33729abc2787ea5d80cd877e0b8a7f0c1da60469658d8492a0a2567ffed3f15ae94969c91942554488f58d5ef35f88853
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SSDEEP
3072:jbx0J+a0UAVTj2XAwqr6HFjuoF+N7bZD16iYIQusGGTkLGFMMalHSXvhSkXWnU2X:jbNa0U+j2Qh69uoF+N7bZD16iYIQusGN
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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yoeac.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe -
Executes dropped EXE 1 IoCs
pid Process 1060 yoeac.exe -
Adds Run key to start application 2 TTPs 20 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /f" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /z" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /b" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /n" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /j" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /l" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /t" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /y" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /d" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /o" 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /s" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /k" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /i" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /c" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /q" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /h" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /o" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /v" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /x" yoeac.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yoeac = "C:\\Users\\Admin\\yoeac.exe /p" yoeac.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 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe 1060 yoeac.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 1060 yoeac.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2992 wrote to memory of 1060 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 105 PID 2992 wrote to memory of 1060 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 105 PID 2992 wrote to memory of 1060 2992 40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe 105
Processes
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C:\Users\Admin\AppData\Local\Temp\40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.exe"C:\Users\Admin\AppData\Local\Temp\40a30e39dfce70f5bba7b73dfe0bb97aa6a01b61ba9a3b20913159e077d5e465.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:2992 -
C:\Users\Admin\yoeac.exe"C:\Users\Admin\yoeac.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:1060
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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 --mojo-platform-channel-handle=1432 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:81⤵PID:4956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
172KB
MD527564001e126cd221e0fc419c4f4fe35
SHA1a4651c64386fe9f351fe24a48c540055b00801ca
SHA2560713bd729e4ced752df4eec977ed9952d6c6eea00c8d5374dc17bb2a3121b6fe
SHA5129036693ef4f49a74e8124cfc06504225853cd837ca158ce6af58d65b3ba98d885f89ea2d28151faf5b32c43f495c669d42b6fdd4cd6e0a7bf48adf9309a428e3