79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c

General

Target

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Size

316KB
MD5

16fae820d34da4cee9ad12924e167650
SHA1

f8b28c2e06d3002f4fc1234ac9e4c33770194805
SHA256

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c
SHA512

fc94e3ee9edff74f771df4bb6b6be52ccc5270f1f206fee025151b3544362da303295084bbd7972de94ada451189870a3cd27127158825a0575f08e5c116520b
SSDEEP

3072:r6yMB0rNotUohYznHpCWc1aqvJ0L2mnFIEhffuTyZlUU5GflFOhvdewW5esHuNMd:8ureUj+uSvolMz5esHfIged9XrbQ

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:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exezuoag.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	zuoag.exe

Executes dropped EXE 1 IoCs

Processes:

zuoag.exe

pid process

984 zuoag.exe

pid	process
984	zuoag.exe

Loads dropped DLL 2 IoCs

Processes:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe

pid	process
1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

zuoag.exe79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /n"	zuoag.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /c"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /g"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /b"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /u"	zuoag.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /k"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /z"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /n"	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /i"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /o"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /v"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /f"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /m"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /e"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /l"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /p"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /x"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /w"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /t"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /j"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /h"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /d"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /s"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /r"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /y"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /a"	zuoag.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\zuoag = "C:\\Users\\Admin\\zuoag.exe /q"	zuoag.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:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exezuoag.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	zuoag.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	zuoag.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:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exezuoag.exe

pid	process
1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe
984	zuoag.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exezuoag.exe

pid process

1284 79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
984 zuoag.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe

description	pid	process	target process
PID 1284 wrote to memory of 984	1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe	zuoag.exe
PID 1284 wrote to memory of 984	1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe	zuoag.exe
PID 1284 wrote to memory of 984	1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe	zuoag.exe
PID 1284 wrote to memory of 984	1284	79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe	zuoag.exe

C:\Users\Admin\AppData\Local\Temp\79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe
"C:\Users\Admin\AppData\Local\Temp\79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284

C:\Users\Admin\zuoag.exe
"C:\Users\Admin\zuoag.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

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

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\zuoag.exe
Filesize
316KB

MD5
16fae820d34da4cee9ad12924e167650

SHA1
f8b28c2e06d3002f4fc1234ac9e4c33770194805

SHA256
79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c

SHA512
fc94e3ee9edff74f771df4bb6b6be52ccc5270f1f206fee025151b3544362da303295084bbd7972de94ada451189870a3cd27127158825a0575f08e5c116520b

Download Submit
C:\Users\Admin\zuoag.exe
Filesize
316KB

MD5
16fae820d34da4cee9ad12924e167650

SHA1
f8b28c2e06d3002f4fc1234ac9e4c33770194805

SHA256
79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c

SHA512
fc94e3ee9edff74f771df4bb6b6be52ccc5270f1f206fee025151b3544362da303295084bbd7972de94ada451189870a3cd27127158825a0575f08e5c116520b

Download Submit
\Users\Admin\zuoag.exe
Filesize
316KB

MD5
16fae820d34da4cee9ad12924e167650

SHA1
f8b28c2e06d3002f4fc1234ac9e4c33770194805

SHA256
79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c

SHA512
fc94e3ee9edff74f771df4bb6b6be52ccc5270f1f206fee025151b3544362da303295084bbd7972de94ada451189870a3cd27127158825a0575f08e5c116520b

Download Submit
\Users\Admin\zuoag.exe
Filesize
316KB

MD5
16fae820d34da4cee9ad12924e167650

SHA1
f8b28c2e06d3002f4fc1234ac9e4c33770194805

SHA256
79e70422b423b43fede418256a7d41b8ecdaa31349311640d8090d74ef112b8c

SHA512
fc94e3ee9edff74f771df4bb6b6be52ccc5270f1f206fee025151b3544362da303295084bbd7972de94ada451189870a3cd27127158825a0575f08e5c116520b

Download Submit
memory/984-59-0x0000000000000000-mapping.dmp

Download
memory/1284-56-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1284-64-0x0000000074581000-0x0000000074583000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads