Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
17/02/2024, 19:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1660AD56D483CAA69CCB56251C6F89BC.exe
Resource
win7-20231215-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
1660AD56D483CAA69CCB56251C6F89BC.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
1660AD56D483CAA69CCB56251C6F89BC.exe
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Size
80KB
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MD5
1660ad56d483caa69ccb56251c6f89bc
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SHA1
b45a9bd339562b15239abe2b9c65d65ab599eb94
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SHA256
f44933fa819aaf68b95ddd712bcb7e069ec952cd151862c1d3313dce52203c6e
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SHA512
3641b830d03556533ddfdf6bab95197a031c4b1f919cc128fd0951c4b6bfba679733d27a3c4965174d3df06e6f1aace86e81eac3d80d5e93f63a2ab4c8413cdf
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SSDEEP
1536:78zYOd3c8QduE6hP03VGY0ciL45ZWVUHmYNr0aNoY9/9F:4zYOdM8QdwhP0FJiU5AUHMaikF
Score
8/10
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2916 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc46edc84f4f8b7fad7be4df7523a76c.exe smss.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc46edc84f4f8b7fad7be4df7523a76c.exe smss.exe -
Executes dropped EXE 1 IoCs
pid Process 2744 smss.exe -
Loads dropped DLL 2 IoCs
pid Process 1736 1660AD56D483CAA69CCB56251C6F89BC.exe 1736 1660AD56D483CAA69CCB56251C6F89BC.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\cc46edc84f4f8b7fad7be4df7523a76c = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\" .." smss.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cc46edc84f4f8b7fad7be4df7523a76c = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\" .." smss.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
flow ioc 54 0.tcp.eu.ngrok.io 4 pastebin.com 5 pastebin.com 9 pastebin.com 10 0.tcp.eu.ngrok.io 36 0.tcp.eu.ngrok.io -
Drops autorun.inf file 1 TTPs 5 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created F:\autorun.inf smss.exe File opened for modification F:\autorun.inf smss.exe File created C:\autorun.inf smss.exe File opened for modification C:\autorun.inf smss.exe File created D:\autorun.inf smss.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 smss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 smss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 smss.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 smss.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe 2744 smss.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 smss.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeDebugPrivilege 1736 1660AD56D483CAA69CCB56251C6F89BC.exe Token: SeDebugPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe Token: 33 2744 smss.exe Token: SeIncBasePriorityPrivilege 2744 smss.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1736 wrote to memory of 2744 1736 1660AD56D483CAA69CCB56251C6F89BC.exe 28 PID 1736 wrote to memory of 2744 1736 1660AD56D483CAA69CCB56251C6F89BC.exe 28 PID 1736 wrote to memory of 2744 1736 1660AD56D483CAA69CCB56251C6F89BC.exe 28 PID 1736 wrote to memory of 2744 1736 1660AD56D483CAA69CCB56251C6F89BC.exe 28 PID 2744 wrote to memory of 2916 2744 smss.exe 29 PID 2744 wrote to memory of 2916 2744 smss.exe 29 PID 2744 wrote to memory of 2916 2744 smss.exe 29 PID 2744 wrote to memory of 2916 2744 smss.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\1660AD56D483CAA69CCB56251C6F89BC.exe"C:\Users\Admin\AppData\Local\Temp\1660AD56D483CAA69CCB56251C6F89BC.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Users\Admin\AppData\Roaming\smss.exe"C:\Users\Admin\AppData\Roaming\smss.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Drops autorun.inf file
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smss.exe" "smss.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2916
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
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Filesize
80KB
MD51660ad56d483caa69ccb56251c6f89bc
SHA1b45a9bd339562b15239abe2b9c65d65ab599eb94
SHA256f44933fa819aaf68b95ddd712bcb7e069ec952cd151862c1d3313dce52203c6e
SHA5123641b830d03556533ddfdf6bab95197a031c4b1f919cc128fd0951c4b6bfba679733d27a3c4965174d3df06e6f1aace86e81eac3d80d5e93f63a2ab4c8413cdf