6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866

General

Target

6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
Size

135KB
MD5

041ab83aee312c75d6fae5c8c45ef590
SHA1

2bcdc73be4ea53dec47e6805cb11a7f30fb15563
SHA256

6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866
SHA512

f1c89108a18631aac7054f2af4f0d4918b784a3c6aa116acff0fcd163a7acb7bfdc6f1221f5e7e1058932022f99ade126748fd2ce25844c326effb3cfa258c7e
SSDEEP

3072:Qm7PefLUPb1WpXVxAaGBvbNvNbNJkvmhyPQbaDTUXGIDbwKDqCtrwdAxaVTtVHLu:tHoIDbByGPMsMP

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

nauup.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nauup.exe

Executes dropped EXE 1 IoCs

Processes:

nauup.exe

pid process

1528 nauup.exe

Loads dropped DLL 2 IoCs

Processes:

6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe

pid	process
1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

nauup.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\	nauup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\nauup = "C:\\Users\\Admin\\nauup.exe"	nauup.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:

nauup.exe

pid	process
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe
1528	nauup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exenauup.exe

pid process

1272 6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
1528 nauup.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exenauup.exe

description	pid	process	target process
PID 1272 wrote to memory of 1528	1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe	nauup.exe
PID 1272 wrote to memory of 1528	1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe	nauup.exe
PID 1272 wrote to memory of 1528	1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe	nauup.exe
PID 1272 wrote to memory of 1528	1272	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe	nauup.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
PID 1528 wrote to memory of 1272	1528	nauup.exe	6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe

C:\Users\Admin\AppData\Local\Temp\6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe
"C:\Users\Admin\AppData\Local\Temp\6795321acee57d831316d0af76fb9ba52b41575ea0092a835fdae235ca420866.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\nauup.exe
"C:\Users\Admin\nauup.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
- Suspicious use of WriteProcessMemory
PID:1528

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\nauup.exe
Filesize
135KB

MD5
ab99f8ccddf07230560646805fce589c

SHA1
f15533a37055d1b1bf3c57b80fbd12f1d2041b87

SHA256
55ec4f5908d2e262bc12a5a0911a66f1d5c19fe1484e35be3d918b2987880462

SHA512
42b378eb91d60613b1bd01337a05a530e10a5aa52e21103bde745bc8faf161d358a9c5ad988e24c98227fdd1a60fcb478c9d236b1e1e2a6ba8bb2a1a4bfec021

Download Submit
C:\Users\Admin\nauup.exe
Filesize
135KB

MD5
ab99f8ccddf07230560646805fce589c

SHA1
f15533a37055d1b1bf3c57b80fbd12f1d2041b87

SHA256
55ec4f5908d2e262bc12a5a0911a66f1d5c19fe1484e35be3d918b2987880462

SHA512
42b378eb91d60613b1bd01337a05a530e10a5aa52e21103bde745bc8faf161d358a9c5ad988e24c98227fdd1a60fcb478c9d236b1e1e2a6ba8bb2a1a4bfec021

Download Submit
\Users\Admin\nauup.exe
Filesize
135KB

MD5
ab99f8ccddf07230560646805fce589c

SHA1
f15533a37055d1b1bf3c57b80fbd12f1d2041b87

SHA256
55ec4f5908d2e262bc12a5a0911a66f1d5c19fe1484e35be3d918b2987880462

SHA512
42b378eb91d60613b1bd01337a05a530e10a5aa52e21103bde745bc8faf161d358a9c5ad988e24c98227fdd1a60fcb478c9d236b1e1e2a6ba8bb2a1a4bfec021

Download Submit
\Users\Admin\nauup.exe
Filesize
135KB

MD5
ab99f8ccddf07230560646805fce589c

SHA1
f15533a37055d1b1bf3c57b80fbd12f1d2041b87

SHA256
55ec4f5908d2e262bc12a5a0911a66f1d5c19fe1484e35be3d918b2987880462

SHA512
42b378eb91d60613b1bd01337a05a530e10a5aa52e21103bde745bc8faf161d358a9c5ad988e24c98227fdd1a60fcb478c9d236b1e1e2a6ba8bb2a1a4bfec021

Download Submit
memory/1272-56-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download
memory/1528-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads