Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
05-12-2022 10:38
Static task
static1
Behavioral task
behavioral1
Sample
dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe
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Size
84KB
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MD5
325716811f53075a13fac48eee857f84
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SHA1
a92abdbceaec24a6139cced1d385caea904ee20a
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SHA256
dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7
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SHA512
d6d32b306fe7670e9fcb8b254a2180b2c5236af8e9de446c10633f9851a02c5de5135de58c1e626bdd82d3869973087f4a588230de6f72e4651b54c6429df78f
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SSDEEP
1536:Dz8yZp47bg4htUVGLG/wXJYeUj27dTo13i6EmqSc:JpWUVeG/wXJY527ujc
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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" voeji.exe -
Executes dropped EXE 1 IoCs
pid Process 4440 voeji.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /q" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /l" voeji.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /b" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /m" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /z" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /u" dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /h" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /j" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /s" voeji.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\ dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /o" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /v" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /u" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /g" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /a" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /t" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /w" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /f" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /c" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /x" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /p" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /e" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /d" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /n" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /y" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /i" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /k" voeji.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\voeji = "C:\\Users\\Admin\\voeji.exe /r" voeji.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 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe 4440 voeji.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 4440 voeji.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1868 wrote to memory of 4440 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 83 PID 1868 wrote to memory of 4440 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 83 PID 1868 wrote to memory of 4440 1868 dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.exe"C:\Users\Admin\AppData\Local\Temp\dffaf281dd222bb879938f5d9d350fec7a44ee103f7270af30e41bb1d6b237f7.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:1868 -
C:\Users\Admin\voeji.exe"C:\Users\Admin\voeji.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:4440
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
84KB
MD57057d01e490775b12c82271c40a14af7
SHA167980ed0642c9cfeb04ea200f8019297eeb73fb3
SHA25673fe169fcd2590c1f3f66c4d3ea30713dc96f7102088717103fafe57b6387aa3
SHA512007cf3812f31bfa6c715c779d8492515a644f24580bfde3f555eeec1ec7fb74f2c7463ad29b5873f16e926c7848937b57c72f5f1d9bd5e7a71b0db86dadb8866
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Filesize
84KB
MD57057d01e490775b12c82271c40a14af7
SHA167980ed0642c9cfeb04ea200f8019297eeb73fb3
SHA25673fe169fcd2590c1f3f66c4d3ea30713dc96f7102088717103fafe57b6387aa3
SHA512007cf3812f31bfa6c715c779d8492515a644f24580bfde3f555eeec1ec7fb74f2c7463ad29b5873f16e926c7848937b57c72f5f1d9bd5e7a71b0db86dadb8866