8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2

General

Target

8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Size

251KB
MD5

01bb4d1f3879ef490dd6af28b7d6077d
SHA1

45b88b425d3a01203e7bb21502ea345d9dc3a96b
SHA256

8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2
SHA512

230b8b7f35d3d2e8e2056697221deba204996be8fd597122914054ba741639d4ffe49e8bb53f3ba8ccca61e3cd12e29cd5303cea6654b70028ec2b552d42d7fe
SSDEEP

3072:p4L9uT6G+45GZD1e8hdBv9+5An1HCfdHLU9d6c6V1YBLSkPPPmynIGoqqWO80kB:+L9uT6j4lW+5An1HCfdguqHnIiDB

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

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	naoet.exe

Executes dropped EXE 1 IoCs

pid	Process
1492	naoet.exe

Loads dropped DLL 2 IoCs

pid	Process
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /b"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /y"	naoet.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /i"	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /v"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /k"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /l"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /j"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /e"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /f"	naoet.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\naoet = "C:\\Users\\Admin\\naoet.exe /g"	naoet.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	naoet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	naoet.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

description	ioc	Process
File opened for modification	C:\Users\Admin\c\autorun.inf	naoet.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 48 IoCs

pid	Process
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe
1492	naoet.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
1492	naoet.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 1492	956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe	28
PID 956 wrote to memory of 1492	956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe	28
PID 956 wrote to memory of 1492	956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe	28
PID 956 wrote to memory of 1492	956	8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe	28

C:\Users\Admin\AppData\Local\Temp\8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.exe
"C:\Users\Admin\AppData\Local\Temp\8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2.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:956
- C:\Users\Admin\naoet.exe
  "C:\Users\Admin\naoet.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
  - Drops autorun.inf file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1492

Network

MITRE ATT&CK Enterprise 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

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\naoet.exe

Filesize
251KB

MD5
01bb4d1f3879ef490dd6af28b7d6077d

SHA1
45b88b425d3a01203e7bb21502ea345d9dc3a96b

SHA256
8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2

SHA512
230b8b7f35d3d2e8e2056697221deba204996be8fd597122914054ba741639d4ffe49e8bb53f3ba8ccca61e3cd12e29cd5303cea6654b70028ec2b552d42d7fe

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

Filesize
251KB

MD5
01bb4d1f3879ef490dd6af28b7d6077d

SHA1
45b88b425d3a01203e7bb21502ea345d9dc3a96b

SHA256
8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2

SHA512
230b8b7f35d3d2e8e2056697221deba204996be8fd597122914054ba741639d4ffe49e8bb53f3ba8ccca61e3cd12e29cd5303cea6654b70028ec2b552d42d7fe

Download Submit
\Users\Admin\naoet.exe

Filesize
251KB

MD5
01bb4d1f3879ef490dd6af28b7d6077d

SHA1
45b88b425d3a01203e7bb21502ea345d9dc3a96b

SHA256
8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2

SHA512
230b8b7f35d3d2e8e2056697221deba204996be8fd597122914054ba741639d4ffe49e8bb53f3ba8ccca61e3cd12e29cd5303cea6654b70028ec2b552d42d7fe

Download Submit
\Users\Admin\naoet.exe

Filesize
251KB

MD5
01bb4d1f3879ef490dd6af28b7d6077d

SHA1
45b88b425d3a01203e7bb21502ea345d9dc3a96b

SHA256
8187e1907df156bb743be38e1085c4e42a0e8b26d26674530247dd8ffd04f2a2

SHA512
230b8b7f35d3d2e8e2056697221deba204996be8fd597122914054ba741639d4ffe49e8bb53f3ba8ccca61e3cd12e29cd5303cea6654b70028ec2b552d42d7fe

Download Submit
memory/956-56-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads