5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0

General

Target

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
Size

220KB
MD5

1625a9f111d15dcc9493dc3797c27850
SHA1

7a85b0ce8120bd27e9c0b8763d86bd01e8999d5f
SHA256

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0
SHA512

8294f71b53e99b2992eab524d9768fa2e5d5841d8ab6d937609410e474a6e74bcf8141c8f6f876e013780ce1a334a00603150d63013d5808f95a9bd24e8188de
SSDEEP

3072:r1/OmS99vs6v5gVzaSCzJ0rJOz01JW69jZ5qK:pOmS9l1gzRa0lyK

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:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exeneaucu.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	neaucu.exe

Executes dropped EXE 1 IoCs

Processes:

neaucu.exe

pid process

1952 neaucu.exe

pid	process
1952	neaucu.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

Adds Run key to start application 2 TTPs 28 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

neaucu.exe5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /r"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /s"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /b"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /z"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /s"	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /l"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /o"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /k"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /t"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /c"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /e"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /f"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /y"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /w"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /v"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /j"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /h"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /d"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /q"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /a"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /p"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /g"	neaucu.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /i"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /x"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /m"	neaucu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\neaucu = "C:\\Users\\Admin\\neaucu.exe /n"	neaucu.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exeneaucu.exe

pid	process
4884	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
4884	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
1952	neaucu.exe
1952	neaucu.exe
1952	neaucu.exe
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1952	neaucu.exe
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1952	neaucu.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exeneaucu.exe

pid process

4884 5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
1952 neaucu.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe

description	pid	process	target process
PID 4884 wrote to memory of 1952	4884	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe	neaucu.exe
PID 4884 wrote to memory of 1952	4884	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe	neaucu.exe
PID 4884 wrote to memory of 1952	4884	5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe	neaucu.exe

C:\Users\Admin\AppData\Local\Temp\5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe
"C:\Users\Admin\AppData\Local\Temp\5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4884

C:\Users\Admin\neaucu.exe
"C:\Users\Admin\neaucu.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:1952

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5100

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\neaucu.exe

Filesize
220KB

MD5
1625a9f111d15dcc9493dc3797c27850

SHA1
7a85b0ce8120bd27e9c0b8763d86bd01e8999d5f

SHA256
5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0

SHA512
8294f71b53e99b2992eab524d9768fa2e5d5841d8ab6d937609410e474a6e74bcf8141c8f6f876e013780ce1a334a00603150d63013d5808f95a9bd24e8188de

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

Filesize
220KB

MD5
1625a9f111d15dcc9493dc3797c27850

SHA1
7a85b0ce8120bd27e9c0b8763d86bd01e8999d5f

SHA256
5def907576acb54273b0d1016bcce6560e8d5e298c5e54fb50d5d52fe07531c0

SHA512
8294f71b53e99b2992eab524d9768fa2e5d5841d8ab6d937609410e474a6e74bcf8141c8f6f876e013780ce1a334a00603150d63013d5808f95a9bd24e8188de

Download Submit
memory/1952-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads