2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0

General

Target

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Size

228KB
MD5

4548874acc7ce22a525e80d6f37b21b0
SHA1

ff6a0f453f5d2fb7dfc6747a5824ef3b83911656
SHA256

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0
SHA512

8287e524ed57271d95136ef46c57da0a739939f709c76f3e78bb08977f7ca7b0efd69bb4b6d28bd1275f209e119bf24b0b5242b2b76ab169107059f486316c8e
SSDEEP

6144:AmIiJhCCzS7KTOdurhIvWkDlVb5Uq3dfaJa9clIIwh1SJokMotVsGYH/vIV26TZ/:AmhJhCCzSeTOdWhIvWkDlVb5Uq3dfaJr

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:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exeruilaf.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ruilaf.exe

Executes dropped EXE 1 IoCs

Processes:

ruilaf.exe

pid process

1724 ruilaf.exe

pid	process
1724	ruilaf.exe

Loads dropped DLL 2 IoCs

Processes:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe

pid	process
1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ruilaf.exe2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /p"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /h"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /t"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /y"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /l"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /j"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /u"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /x"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /w"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /q"	ruilaf.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /b"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /a"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /r"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /m"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /g"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /k"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /v"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /d"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /o"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /e"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /z"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /i"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /n"	ruilaf.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /a"	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /s"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /f"	ruilaf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ruilaf = "C:\\Users\\Admin\\ruilaf.exe /c"	ruilaf.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:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exeruilaf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ruilaf.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ruilaf.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:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exeruilaf.exe

pid	process
1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe
1724	ruilaf.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exeruilaf.exe

pid process

1952 2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
1724 ruilaf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe

description	pid	process	target process
PID 1952 wrote to memory of 1724	1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe	ruilaf.exe
PID 1952 wrote to memory of 1724	1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe	ruilaf.exe
PID 1952 wrote to memory of 1724	1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe	ruilaf.exe
PID 1952 wrote to memory of 1724	1952	2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe	ruilaf.exe

C:\Users\Admin\AppData\Local\Temp\2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.exe
"C:\Users\Admin\AppData\Local\Temp\2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0.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:1952

C:\Users\Admin\ruilaf.exe
"C:\Users\Admin\ruilaf.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:1724

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\ruilaf.exe

Filesize
228KB

MD5
4548874acc7ce22a525e80d6f37b21b0

SHA1
ff6a0f453f5d2fb7dfc6747a5824ef3b83911656

SHA256
2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0

SHA512
8287e524ed57271d95136ef46c57da0a739939f709c76f3e78bb08977f7ca7b0efd69bb4b6d28bd1275f209e119bf24b0b5242b2b76ab169107059f486316c8e

Download Submit
C:\Users\Admin\ruilaf.exe

Filesize
228KB

MD5
4548874acc7ce22a525e80d6f37b21b0

SHA1
ff6a0f453f5d2fb7dfc6747a5824ef3b83911656

SHA256
2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0

SHA512
8287e524ed57271d95136ef46c57da0a739939f709c76f3e78bb08977f7ca7b0efd69bb4b6d28bd1275f209e119bf24b0b5242b2b76ab169107059f486316c8e

Download Submit
\Users\Admin\ruilaf.exe

Filesize
228KB

MD5
4548874acc7ce22a525e80d6f37b21b0

SHA1
ff6a0f453f5d2fb7dfc6747a5824ef3b83911656

SHA256
2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0

SHA512
8287e524ed57271d95136ef46c57da0a739939f709c76f3e78bb08977f7ca7b0efd69bb4b6d28bd1275f209e119bf24b0b5242b2b76ab169107059f486316c8e

Download Submit
\Users\Admin\ruilaf.exe

Filesize
228KB

MD5
4548874acc7ce22a525e80d6f37b21b0

SHA1
ff6a0f453f5d2fb7dfc6747a5824ef3b83911656

SHA256
2495b070cc3336858a4a74ead04d0eea4074ed3d1082a147f153b2a21335a7d0

SHA512
8287e524ed57271d95136ef46c57da0a739939f709c76f3e78bb08977f7ca7b0efd69bb4b6d28bd1275f209e119bf24b0b5242b2b76ab169107059f486316c8e

Download Submit
memory/1724-59-0x0000000000000000-mapping.dmp

Download
memory/1952-56-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

Download
memory/1952-63-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads