Analysis
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max time kernel
150s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 02:52
Static task
static1
Behavioral task
behavioral1
Sample
28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe
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Size
80KB
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MD5
6669cf1f04ddc6dbf9f9b8bd3ab3669c
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SHA1
0a22427168da5665184bfd2c845db79187f022fa
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SHA256
28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab
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SHA512
4451e0e5992c2084ff3d34750817ca30150c95d22c3feff309dabef584df0b84ec34ef122c0a1942ed8ec14ffa641b491468ffa9f0c56168a759091e5d5e2951
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SSDEEP
1536:67ikBEbn5tPSxXmeCC9bCoCMBlAwNocTzFJ0T72Vp1R:cE2Bl5BTzFJ0T72ZR
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" peiaxi.exe -
Executes dropped EXE 1 IoCs
pid Process 1292 peiaxi.exe -
Loads dropped DLL 2 IoCs
pid Process 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /a" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /w" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /o" peiaxi.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /z" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /h" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /j" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /y" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /m" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /p" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /u" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /g" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /f" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /c" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /n" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /v" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /s" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /x" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /t" peiaxi.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /i" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /l" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /t" 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /e" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /d" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /r" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /q" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /k" peiaxi.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\peiaxi = "C:\\Users\\Admin\\peiaxi.exe /b" peiaxi.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 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe 1292 peiaxi.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 1292 peiaxi.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 112 wrote to memory of 1292 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 27 PID 112 wrote to memory of 1292 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 27 PID 112 wrote to memory of 1292 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 27 PID 112 wrote to memory of 1292 112 28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe"C:\Users\Admin\AppData\Local\Temp\28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:112 -
C:\Users\Admin\peiaxi.exe"C:\Users\Admin\peiaxi.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:1292
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
80KB
MD569c9140eb3d9708d84290056d4a8d0d7
SHA1e5f873b671751ff5b29b738eefff7eb9dd809910
SHA256906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f
SHA51280cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5
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Filesize
80KB
MD569c9140eb3d9708d84290056d4a8d0d7
SHA1e5f873b671751ff5b29b738eefff7eb9dd809910
SHA256906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f
SHA51280cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5
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Filesize
80KB
MD569c9140eb3d9708d84290056d4a8d0d7
SHA1e5f873b671751ff5b29b738eefff7eb9dd809910
SHA256906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f
SHA51280cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5
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Filesize
80KB
MD569c9140eb3d9708d84290056d4a8d0d7
SHA1e5f873b671751ff5b29b738eefff7eb9dd809910
SHA256906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f
SHA51280cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5