8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4

General

Target

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
Size

156KB
MD5

52013a290b36ae28fbdc7f152a6814f0
SHA1

657d07ce3d2aebafb04a67f277f5d6701edefa1b
SHA256

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4
SHA512

5d17506ea894be73090e68bc17986a1cdfc52407846c7a7b42f39d0db244f938646d76f3653af20e12fce760622fee86d2e770dff5f527a35ba80f96c78cefec
SSDEEP

3072:awBMPJ4T2vaHfQmuKM7U6L9sxsHrl3B0mhQjUqvGH4oQZiEbgy:nBy4Sva/QVK+SxsHrl3B0mhPq+JW/

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:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exeyeiiy.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"	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	yeiiy.exe

Executes dropped EXE 1 IoCs

Processes:

yeiiy.exe

pid process

952 yeiiy.exe

pid	process
952	yeiiy.exe

Loads dropped DLL 2 IoCs

Processes:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe

pid	process
1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe

Adds Run key to start application 2 TTPs 53 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exeyeiiy.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /j"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /d"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /W"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /M"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /F"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /s"	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /a"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /J"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /o"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /v"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /O"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /i"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /A"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /u"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /e"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /x"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /T"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /V"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /D"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /n"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /U"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /P"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /q"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /X"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /E"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /c"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /w"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /r"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /Y"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /G"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /h"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /l"	yeiiy.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /I"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /L"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /N"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /p"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /y"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /t"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /B"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /s"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /k"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /m"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /Z"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /f"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /C"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /b"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /g"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /K"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /Q"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /S"	yeiiy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\yeiiy = "C:\\Users\\Admin\\yeiiy.exe /z"	yeiiy.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:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exeyeiiy.exe

pid	process
1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe
952	yeiiy.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exeyeiiy.exe

pid process

1980 8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
952 yeiiy.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe

description	pid	process	target process
PID 1980 wrote to memory of 952	1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe	yeiiy.exe
PID 1980 wrote to memory of 952	1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe	yeiiy.exe
PID 1980 wrote to memory of 952	1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe	yeiiy.exe
PID 1980 wrote to memory of 952	1980	8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe	yeiiy.exe

C:\Users\Admin\AppData\Local\Temp\8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe
"C:\Users\Admin\AppData\Local\Temp\8b9d7b8060bb947a1e0f9eae2e565e72c56a22792ded865eacf2318f844318b4.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980

C:\Users\Admin\yeiiy.exe
"C:\Users\Admin\yeiiy.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
PID:952

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\yeiiy.exe
Filesize
156KB

MD5
776003e689386fbc2ecbe0fe8ab2fd16

SHA1
bfc5e796e57bb3b30fca61272bfd6dec4c6c11ce

SHA256
a1aac33ff78970fcecf003ef10735b462bcb58a271e24a0178ed9c8a402690c3

SHA512
8d00c22309468a1392478e818a59d9b7cd2ce20d7ded13326de37ab23de4b3c34e310c88f9efd938686763246f1cbca386771e7014a6127b94576138b3d582a2

Download Submit
C:\Users\Admin\yeiiy.exe
Filesize
156KB

MD5
776003e689386fbc2ecbe0fe8ab2fd16

SHA1
bfc5e796e57bb3b30fca61272bfd6dec4c6c11ce

SHA256
a1aac33ff78970fcecf003ef10735b462bcb58a271e24a0178ed9c8a402690c3

SHA512
8d00c22309468a1392478e818a59d9b7cd2ce20d7ded13326de37ab23de4b3c34e310c88f9efd938686763246f1cbca386771e7014a6127b94576138b3d582a2

Download Submit
\Users\Admin\yeiiy.exe
Filesize
156KB

MD5
776003e689386fbc2ecbe0fe8ab2fd16

SHA1
bfc5e796e57bb3b30fca61272bfd6dec4c6c11ce

SHA256
a1aac33ff78970fcecf003ef10735b462bcb58a271e24a0178ed9c8a402690c3

SHA512
8d00c22309468a1392478e818a59d9b7cd2ce20d7ded13326de37ab23de4b3c34e310c88f9efd938686763246f1cbca386771e7014a6127b94576138b3d582a2

Download Submit
\Users\Admin\yeiiy.exe
Filesize
156KB

MD5
776003e689386fbc2ecbe0fe8ab2fd16

SHA1
bfc5e796e57bb3b30fca61272bfd6dec4c6c11ce

SHA256
a1aac33ff78970fcecf003ef10735b462bcb58a271e24a0178ed9c8a402690c3

SHA512
8d00c22309468a1392478e818a59d9b7cd2ce20d7ded13326de37ab23de4b3c34e310c88f9efd938686763246f1cbca386771e7014a6127b94576138b3d582a2

Download Submit
memory/952-59-0x0000000000000000-mapping.dmp

Download
memory/1980-56-0x0000000075521000-0x0000000075523000-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