Analysis
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max time kernel
120s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
13/10/2023, 19:38
Behavioral task
behavioral1
Sample
NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe
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Size
110KB
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MD5
13c1bc976ea06517dd06cc39b8457140
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SHA1
6887d665a78ebf83d8e479b4369aa2f2e6cdd016
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SHA256
13098be65821d757b194a060b7b8b0402d39653afa9c174d99228487dbe726ae
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SHA512
3fd6555ac78e12ed7397ef14916c70ca237f746533fb09fee7391a0e541142dc64b3066e8dae0bc9b3416016295eb4dacca6821117a8552b94b216069f2dad85
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SSDEEP
1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fZ:ELlbZTZX3BAtTSVEdUJWTWd18fZ
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2732 cmd.exe -
Executes dropped EXE 1 IoCs
pid Process 2764 guifx.exe -
Loads dropped DLL 1 IoCs
pid Process 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe -
resource yara_rule behavioral1/memory/2748-0-0x00000000001C0000-0x00000000001DC000-memory.dmp upx behavioral1/memory/2748-4-0x0000000000130000-0x000000000014C000-memory.dmp upx behavioral1/files/0x002f000000015dda-2.dat upx behavioral1/files/0x002f000000015dda-6.dat upx behavioral1/memory/2748-7-0x00000000001C0000-0x00000000001DC000-memory.dmp upx behavioral1/memory/2764-8-0x0000000000050000-0x000000000006C000-memory.dmp upx behavioral1/memory/2748-9-0x00000000001C0000-0x00000000001DC000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run" NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2748 wrote to memory of 2764 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 29 PID 2748 wrote to memory of 2764 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 29 PID 2748 wrote to memory of 2764 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 29 PID 2748 wrote to memory of 2764 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 29 PID 2748 wrote to memory of 2732 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 30 PID 2748 wrote to memory of 2732 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 30 PID 2748 wrote to memory of 2732 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 30 PID 2748 wrote to memory of 2732 2748 NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\ProgramData\Graphics\guifx.exe"C:\ProgramData\Graphics\guifx.exe" /run2⤵
- Executes dropped EXE
PID:2764
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C:\windows\SysWOW64\cmd.exe"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.13c1bc976ea06517dd06cc39b8457140_JC.exe" >> NUL2⤵
- Deletes itself
PID:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
110KB
MD55132cab7ca10ea7fca4dcd6d7ecb6019
SHA1170346895b0981bccd8dd37891b1d6069edc1292
SHA2568ee03f6e968a54075e441315b7cf981c5823e2e252319bc3557e1ff940b2ad08
SHA512b9459914ce33fe4e268b4b738f70374c88329a5b01d8542c593c1bd1c559a22aec5e8df18b2b1a10cf1c9f1ef3f8e3e301f031cc5d771156a6408f91934085e0
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Filesize
110KB
MD55132cab7ca10ea7fca4dcd6d7ecb6019
SHA1170346895b0981bccd8dd37891b1d6069edc1292
SHA2568ee03f6e968a54075e441315b7cf981c5823e2e252319bc3557e1ff940b2ad08
SHA512b9459914ce33fe4e268b4b738f70374c88329a5b01d8542c593c1bd1c559a22aec5e8df18b2b1a10cf1c9f1ef3f8e3e301f031cc5d771156a6408f91934085e0