871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

General

Target

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
Size

112KB
MD5

63536ee7e817d3829051694fafd214a0
SHA1

6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2
SHA256

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65
SHA512

ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031
SSDEEP

1536:80waayJh9UrTW8Z/lEY0Vy5nxa47dhnueUoA80os3qlH/9Ac++eqyqLv:59dWlEYuEnVdhn/J05+HVAtnq3v

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exequuno.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	quuno.exe

Executes dropped EXE 2 IoCs

Processes:

quuno.exequuno.exe

pid process

1264 quuno.exe
3460 quuno.exe

pid	process
1264	quuno.exe
3460	quuno.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

quuno.exe871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /p"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /s"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /k"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /o"	quuno.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /i"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /d"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /v"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /b"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /t"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /a"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /m"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /e"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /h"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /r"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /q"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /l"	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /f"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /n"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /x"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /y"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /u"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /z"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /g"	quuno.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run\	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /l"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /j"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /c"	quuno.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\quuno = "C:\\Users\\Admin\\quuno.exe /w"	quuno.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

quuno.exe871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	quuno.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	quuno.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

quuno.exe

description ioc process

File opened for modification C:\Users\Admin\c\autorun.inf quuno.exe

description	ioc	process
File opened for modification	C:\Users\Admin\c\autorun.inf	quuno.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exequuno.exe

description	pid	process	target process
PID 4792 set thread context of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 1264 set thread context of 3460	1264	quuno.exe	quuno.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exequuno.exe

pid	process
1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe
3460	quuno.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exequuno.exequuno.exe

pid	process
4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
1264	quuno.exe
3460	quuno.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exequuno.exe

description	pid	process	target process
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 4792 wrote to memory of 1712	4792	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
PID 1712 wrote to memory of 1264	1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	quuno.exe
PID 1712 wrote to memory of 1264	1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	quuno.exe
PID 1712 wrote to memory of 1264	1712	871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe
PID 1264 wrote to memory of 3460	1264	quuno.exe	quuno.exe

C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
"C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792

C:\Users\Admin\AppData\Local\Temp\871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65.exe
74
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\quuno.exe
"C:\Users\Admin\quuno.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1264

C:\Users\Admin\quuno.exe
74
4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3460

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\quuno.exe
Filesize
112KB

MD5
63536ee7e817d3829051694fafd214a0

SHA1
6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

SHA256
871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

SHA512
ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

Download Submit
C:\Users\Admin\quuno.exe
Filesize
112KB

MD5
63536ee7e817d3829051694fafd214a0

SHA1
6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

SHA256
871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

SHA512
ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

Download Submit
C:\Users\Admin\quuno.exe
Filesize
112KB

MD5
63536ee7e817d3829051694fafd214a0

SHA1
6c6f3bd04cc3641b84c9d759a743c74ec1ad4ea2

SHA256
871971fbe7151ad284020e19b66a04d83eae1f228d0d09c0fd42a82517444a65

SHA512
ba7efb6e240454af0d90de7c9f9e3a66d2f8e2fd2db9e765dde3009c6aa4ad863f5019036ead4014715ed3063a8e3faf311a66d4542fe3948ddeb7560432c031

Download Submit
memory/1264-141-0x0000000000000000-mapping.dmp

Download
memory/1712-134-0x0000000000000000-mapping.dmp

Download
memory/1712-135-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1712-137-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1712-140-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1712-154-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3460-146-0x0000000000000000-mapping.dmp

Download
memory/3460-153-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3460-155-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads