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Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
24/04/2024, 23:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe
Resource
win7-20240221-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe
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Size
53KB
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MD5
a6ed521b1ed12e31e06134270fd09135
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SHA1
845ecdc6d09e43148ef9fea64185a9ae113cd30f
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SHA256
722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3
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SHA512
ec7681520cf708e2f8649edf338ac94600052553fa1e53a40f3dc1fefe3e35a7255b739956620f1bc77bd9c375e7d7203342cd279ea8b67cb318df27529d8590
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SSDEEP
1536:vNzg8r8QTO/at+7Kp3StjEMjmLM3ztDJWZsXy4JzxPMU:FO/aoJJjmLM3zRJWZsXy4Jd
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coupuu.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-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation 722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe -
Executes dropped EXE 1 IoCs
pid Process 924 coupuu.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\coupuu = "C:\\Users\\Admin\\coupuu.exe" coupuu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe 924 coupuu.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4536 722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe 924 coupuu.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 4536 wrote to memory of 924 4536 722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe 92 PID 4536 wrote to memory of 924 4536 722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe 92 PID 4536 wrote to memory of 924 4536 722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe 92 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86 PID 924 wrote to memory of 4536 924 coupuu.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe"C:\Users\Admin\AppData\Local\Temp\722772167e5be7cdc0a3e00d59c0668de240d9ca85f7fbe966cdb14e8d361ba3.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4536 -
C:\Users\Admin\coupuu.exe"C:\Users\Admin\coupuu.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
- Suspicious use of WriteProcessMemory
PID:924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD55644710b307775b229f1975016794db5
SHA16f35fb095672ff73968a42e130dd4f9e622270ca
SHA25643e290d63394b978d15e4281ae9edaa72e609509f15f23105320a25db257db1e
SHA5128ff8dd3dd920f81470c43cea430799006d2c22b595c4046256aac38b93ade1ad4373bb9eedd6903dda1c4906c436d66bbe9aea1e24fea7fd7547262a93424fee