Analysis
- max time kernel
150s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
03/06/2024, 04:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe
- Size 192KB
- Sample240603-e6cgqsbe3v
- SHA256 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0
- MD5 6ca0747f4bbc61fa844bd94cc3cb6cfe
- SHA1 bc7d4541efb42b29f0b2df6e2ee4bc2fbd522aff
- SHA512 bd9e8ce73e64d755d53ae25621b39d54f362ef19efa6db0a9968e3ab6f31523b8846cbddeb7058a691c0f3c2244a0a08880a07c578b8519bd94faf2e3784d36b
- SSDEEP 3072:fGe2fdLbEamKt2YhFEryJVVtOTI4BkcKmPcfNVw8:ydLAaFtFHVVtO7KmkfNVL
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coioca.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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe - Executes dropped EXE 1 IoCs
pid Process 3700 coioca.exe - Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /w" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /l" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /j" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /r" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /k" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /x" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /y" dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /p" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /a" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /d" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /y" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /g" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /z" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /e" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /i" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /b" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /n" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /m" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /t" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /v" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /o" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /s" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /u" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /f" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /h" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /c" coioca.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coioca = "C:\\Users\\Admin\\coioca.exe /q" coioca.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe 3700 coioca.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 3700 coioca.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4820 wrote to memory of 3700 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 87 PID 4820 wrote to memory of 3700 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 87 PID 4820 wrote to memory of 3700 4820 dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.exe"C:\Users\Admin\AppData\Local\Temp\dcbca31867b553232df07a6ee4a3acf911cdb2048baf61075ac3ca3cc1bf24b0.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:4820 -
C:\Users\Admin\coioca.exe"C:\Users\Admin\coioca.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:3700
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\coioca.exe
- Size 192KB
- SHA256 3e1cb626b4bd7d0319c05516d6c8dc7117e1dfdf3f59db1ffc8b3668439a6677
- MD5 5abfb49449e0665a5d7c3193a9c1f70e
- SHA1 d039235314e95bf3fd946e833477e70d67a012b0
- SHA512 00cbb99524cc0ba3b56c8de85a6b2c015fb11e6e7e4b282c7ef0f54b5030ebca3830d1ff2f3b7cb636bf97c4b6c4e290ed7bdc8c099030368e09610e4c001b46
- SSDEEP 3072:FGe2fdLbEamrK2YhFEryJVVtOTI4BkcKmPcfNVw8:cdLAaaKFHVVtO7KmkfNVL
- MD5 SHA1 SHA512 SSDEEP