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Analysis
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max time kernel
150s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
21/10/2022, 02:39
Static task
static1
Behavioral task
behavioral1
Sample
45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe
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Size
236KB
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MD5
7d45ffe13b0b85ad86dc5b1922abb05b
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SHA1
7c4156bef43cc5135ca80831a1115d5b46b03185
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SHA256
45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497
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SHA512
ceea7714dc1c97f15aed1cfb91a1bba3e4c22d339b35c87d1fe0f6e9f8b716588c4bbe1b81daff7b035e8ba5c5f10cd405c4260fe204ba8423c93eabb2b10b5b
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SSDEEP
3072:Y6VlhkVYyPzKvyMZeDT51B8u05WCyiHCUmqBxh:eXLYyMwDtf8u05WCyiHCQ
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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" gxmim.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe -
Executes dropped EXE 1 IoCs
pid Process 1516 gxmim.exe -
Loads dropped DLL 2 IoCs
pid Process 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /m" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /z" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /q" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /e" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /x" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /t" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /v" gxmim.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /s" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /p" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /w" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /k" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /d" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /n" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /g" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /b" gxmim.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /o" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /c" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /a" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /h" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /y" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /f" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /u" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /i" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /r" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /j" gxmim.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /j" 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gxmim = "C:\\Users\\Admin\\gxmim.exe /l" gxmim.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 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe 1516 gxmim.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 1516 gxmim.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1328 wrote to memory of 1516 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 27 PID 1328 wrote to memory of 1516 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 27 PID 1328 wrote to memory of 1516 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 27 PID 1328 wrote to memory of 1516 1328 45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.exe"C:\Users\Admin\AppData\Local\Temp\45625d2373533ea35ab3f1c721049d09971dfee643db47b4e4d6c0460bf89497.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:1328 -
C:\Users\Admin\gxmim.exe"C:\Users\Admin\gxmim.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:1516
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
236KB
MD5aee64e2c6083bc01cf58474412f953cf
SHA1224e383e2defaa33822dc0dd3c9b61d5f4fd3cbb
SHA256b91feaa1ead181cc46917f20d8b2523fe3c84e61724308ecae6bd6f9bbc754ef
SHA5125cd070b528231db4e27c141e891eb09354dc8065e1989aafdfb38a22c26bd4de413a71e291581590848368f5f29505c20afb04ea633e8b597c5b147ff030c571
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Filesize
236KB
MD5aee64e2c6083bc01cf58474412f953cf
SHA1224e383e2defaa33822dc0dd3c9b61d5f4fd3cbb
SHA256b91feaa1ead181cc46917f20d8b2523fe3c84e61724308ecae6bd6f9bbc754ef
SHA5125cd070b528231db4e27c141e891eb09354dc8065e1989aafdfb38a22c26bd4de413a71e291581590848368f5f29505c20afb04ea633e8b597c5b147ff030c571
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Filesize
236KB
MD5aee64e2c6083bc01cf58474412f953cf
SHA1224e383e2defaa33822dc0dd3c9b61d5f4fd3cbb
SHA256b91feaa1ead181cc46917f20d8b2523fe3c84e61724308ecae6bd6f9bbc754ef
SHA5125cd070b528231db4e27c141e891eb09354dc8065e1989aafdfb38a22c26bd4de413a71e291581590848368f5f29505c20afb04ea633e8b597c5b147ff030c571
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Filesize
236KB
MD5aee64e2c6083bc01cf58474412f953cf
SHA1224e383e2defaa33822dc0dd3c9b61d5f4fd3cbb
SHA256b91feaa1ead181cc46917f20d8b2523fe3c84e61724308ecae6bd6f9bbc754ef
SHA5125cd070b528231db4e27c141e891eb09354dc8065e1989aafdfb38a22c26bd4de413a71e291581590848368f5f29505c20afb04ea633e8b597c5b147ff030c571