Analysis
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max time kernel
165s -
max time network
73s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03-12-2022 20:23
Static task
static1
Behavioral task
behavioral1
Sample
79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe
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Size
256KB
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MD5
8647d5390d9e8bfabd6648d9ee4195e8
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SHA1
4f0e5edb6c493cb38de2b11b11c77daacdc013cc
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SHA256
79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929
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SHA512
caeb4a29869704e74fdb3f7c8a3742dfee9c0e3c20d8f583357b60e1b0fd4257ed971b76a884c79529961d402cd348e665d9dc00fc4cfc647013c8424ca70310
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SSDEEP
6144:1BawbQXn2J5V2aWOKojDOgbTnNkyjZjj65:1AwbQWoOKojDOgbTNkuS
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coesuid.exe -
Executes dropped EXE 1 IoCs
pid Process 612 coesuid.exe -
Loads dropped DLL 2 IoCs
pid Process 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /t" 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /w" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /g" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /b" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /p" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /c" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /k" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /l" coesuid.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /t" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /s" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /x" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /i" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /a" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /u" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /f" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /m" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /v" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /r" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /e" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /n" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /z" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /q" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /o" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /j" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /h" coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /y" coesuid.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ coesuid.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\coesuid = "C:\\Users\\Admin\\coesuid.exe /d" coesuid.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 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe 612 coesuid.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 612 coesuid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1736 wrote to memory of 612 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 27 PID 1736 wrote to memory of 612 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 27 PID 1736 wrote to memory of 612 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 27 PID 1736 wrote to memory of 612 1736 79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.exe"C:\Users\Admin\AppData\Local\Temp\79e27140d8205e6cce1094a53cbcf57336247c1a1d6ea209d932ec2447c1e929.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:1736 -
C:\Users\Admin\coesuid.exe"C:\Users\Admin\coesuid.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:612
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
256KB
MD5d49dd38256acf9a163cea611b9101dfe
SHA114eed94a6d7550311d0b17de76e8efca8c1369dd
SHA25633e5959ca6d1a454531a254f27067c9135355a9909592edd0aee9ea88a542830
SHA5128c4f7b2f007e117b0378d1f387fa029176e1cdc6e4a40438fe15d065c719d0087bcc86c31cb7ee653a87080627ccb67bfe04596801a973364ca88b0f90601834
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Filesize
256KB
MD5d49dd38256acf9a163cea611b9101dfe
SHA114eed94a6d7550311d0b17de76e8efca8c1369dd
SHA25633e5959ca6d1a454531a254f27067c9135355a9909592edd0aee9ea88a542830
SHA5128c4f7b2f007e117b0378d1f387fa029176e1cdc6e4a40438fe15d065c719d0087bcc86c31cb7ee653a87080627ccb67bfe04596801a973364ca88b0f90601834
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Filesize
256KB
MD5d49dd38256acf9a163cea611b9101dfe
SHA114eed94a6d7550311d0b17de76e8efca8c1369dd
SHA25633e5959ca6d1a454531a254f27067c9135355a9909592edd0aee9ea88a542830
SHA5128c4f7b2f007e117b0378d1f387fa029176e1cdc6e4a40438fe15d065c719d0087bcc86c31cb7ee653a87080627ccb67bfe04596801a973364ca88b0f90601834
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Filesize
256KB
MD5d49dd38256acf9a163cea611b9101dfe
SHA114eed94a6d7550311d0b17de76e8efca8c1369dd
SHA25633e5959ca6d1a454531a254f27067c9135355a9909592edd0aee9ea88a542830
SHA5128c4f7b2f007e117b0378d1f387fa029176e1cdc6e4a40438fe15d065c719d0087bcc86c31cb7ee653a87080627ccb67bfe04596801a973364ca88b0f90601834