1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3

General

Target

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
Size

168KB
MD5

60899d9eae3cffe26624948fcaa9a78b
SHA1

91aea5b27c54fa50bfad8d68652aaf2c6665812d
SHA256

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3
SHA512

c46321ef8517924756196e62bc0166b7b4028d0c1ffceb8919e94d5636c71713237ad3af9f643edf522c5c603823c38f3b8ac212b57fc97926b7f10a655be119
SSDEEP

3072:5BR+cDxgB4ZCchor5KFjkF/5YC6XJnnqL:b0Rsha5KFj+yZG

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:

naoicib.exe1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	naoicib.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

Executes dropped EXE 1 IoCs

Processes:

naoicib.exe

pid process

2020 naoicib.exe

pid	process
2020	naoicib.exe

Loads dropped DLL 2 IoCs

Processes:

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

pid	process
1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

naoicib.exe1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /r"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /h"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /q"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /i"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /k"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /u"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /x"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /m"	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /d"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /p"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /n"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /b"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /g"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /a"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /y"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /o"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /s"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /w"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /f"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /v"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /t"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /m"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /c"	naoicib.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /z"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /j"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /e"	naoicib.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoicib = "C:\\Users\\Admin\\naoicib.exe /l"	naoicib.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:

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exenaoicib.exe

pid	process
1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
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2020	naoicib.exe
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2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
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2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe
2020	naoicib.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exenaoicib.exe

pid process

1512 1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
2020 naoicib.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe

description	pid	process	target process
PID 1512 wrote to memory of 2020	1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe	naoicib.exe
PID 1512 wrote to memory of 2020	1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe	naoicib.exe
PID 1512 wrote to memory of 2020	1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe	naoicib.exe
PID 1512 wrote to memory of 2020	1512	1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe	naoicib.exe

C:\Users\Admin\AppData\Local\Temp\1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.exe
"C:\Users\Admin\AppData\Local\Temp\1d81e11989cea9fb17def24f2e9a3a8f338cb26a32e4fa2b02f77bdba352c0d3.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:1512

C:\Users\Admin\naoicib.exe
"C:\Users\Admin\naoicib.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:2020

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\naoicib.exe
Filesize
168KB

MD5
6d2e0bdcd95618758bb736fdda172b4d

SHA1
f0cedbeef8ad13e34dde6cae7ce803413fd82964

SHA256
25c9959e99e4d7330461c6081ae2a0d3a17ab9417cc90557ce14807c546a66ea

SHA512
8ce19e453a4dd9577f5b582b6592dc3ba0201168c71dd59ae2fc35133839f6207e37e65f37a85f7fb4b2689651a4d354e8d44299a9186edfbf24ceedacbb1be3

Download Submit
C:\Users\Admin\naoicib.exe
Filesize
168KB

MD5
6d2e0bdcd95618758bb736fdda172b4d

SHA1
f0cedbeef8ad13e34dde6cae7ce803413fd82964

SHA256
25c9959e99e4d7330461c6081ae2a0d3a17ab9417cc90557ce14807c546a66ea

SHA512
8ce19e453a4dd9577f5b582b6592dc3ba0201168c71dd59ae2fc35133839f6207e37e65f37a85f7fb4b2689651a4d354e8d44299a9186edfbf24ceedacbb1be3

Download Submit
\Users\Admin\naoicib.exe
Filesize
168KB

MD5
6d2e0bdcd95618758bb736fdda172b4d

SHA1
f0cedbeef8ad13e34dde6cae7ce803413fd82964

SHA256
25c9959e99e4d7330461c6081ae2a0d3a17ab9417cc90557ce14807c546a66ea

SHA512
8ce19e453a4dd9577f5b582b6592dc3ba0201168c71dd59ae2fc35133839f6207e37e65f37a85f7fb4b2689651a4d354e8d44299a9186edfbf24ceedacbb1be3

Download Submit
\Users\Admin\naoicib.exe
Filesize
168KB

MD5
6d2e0bdcd95618758bb736fdda172b4d

SHA1
f0cedbeef8ad13e34dde6cae7ce803413fd82964

SHA256
25c9959e99e4d7330461c6081ae2a0d3a17ab9417cc90557ce14807c546a66ea

SHA512
8ce19e453a4dd9577f5b582b6592dc3ba0201168c71dd59ae2fc35133839f6207e37e65f37a85f7fb4b2689651a4d354e8d44299a9186edfbf24ceedacbb1be3

Download Submit
memory/1512-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download
memory/2020-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads