6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792

General

Target

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
Size

204KB
MD5

506208625ac93839c284cbfdfd05b9fe
SHA1

067ecb589cb5f75ee1c596cc9b1928f7bcca9f1d
SHA256

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792
SHA512

b7b8282e0f71653033fa8364335094753f9fc8aa0a118bf7147a314246195008b914f76ba6cb609764be617aef2bd0b57d7a651cea70b93ef17e11a4906d1d70
SSDEEP

3072:+Vr+bRN2K57jQpI6d27GVV+FWl11oQB7t9X7aOQC:O+vF57jQS6dQGVVmWOQFL7aOQC

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:

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exenwleul.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nwleul.exe

Executes dropped EXE 1 IoCs

Processes:

nwleul.exe

pid process

912 nwleul.exe

pid	process
912	nwleul.exe

Loads dropped DLL 2 IoCs

Processes:

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe

pid	process
540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

nwleul.exe6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /c"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /w"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /o"	nwleul.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /t"	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /t"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /y"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /h"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /g"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /i"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /u"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /s"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /x"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /j"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /n"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /l"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /d"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /q"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /b"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /v"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /m"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /e"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /p"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /a"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /z"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /f"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /k"	nwleul.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwleul = "C:\\Users\\Admin\\nwleul.exe /r"	nwleul.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:

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exenwleul.exe

pid	process
540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe
912	nwleul.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exenwleul.exe

pid process

540 6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
912 nwleul.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe

description	pid	process	target process
PID 540 wrote to memory of 912	540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe	nwleul.exe
PID 540 wrote to memory of 912	540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe	nwleul.exe
PID 540 wrote to memory of 912	540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe	nwleul.exe
PID 540 wrote to memory of 912	540	6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe	nwleul.exe

C:\Users\Admin\AppData\Local\Temp\6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.exe
"C:\Users\Admin\AppData\Local\Temp\6ab33f689a79095fcbc71df3a2f3d93387d8ac7bf5e7461e8c65aed2b6038792.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:540

C:\Users\Admin\nwleul.exe
"C:\Users\Admin\nwleul.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:912

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\nwleul.exe
Filesize
204KB

MD5
8563625f9e22bb093789198b0fa04d53

SHA1
1a0574acc6063ac2b0675f6e1cf2bbe92a40534b

SHA256
a29014cbdbed21034616ffcad9f202433076be11bc6fa7a31fdfbbbcbf1c2500

SHA512
ef169894c893c6f96e9d438696cd017d41901c89f6b59e93f671153176d98d385ed0a2ca9744a9883e1013003e198f932199b9707a63beedc6d8c2eceab0b245

Download Submit
C:\Users\Admin\nwleul.exe
Filesize
204KB

MD5
8563625f9e22bb093789198b0fa04d53

SHA1
1a0574acc6063ac2b0675f6e1cf2bbe92a40534b

SHA256
a29014cbdbed21034616ffcad9f202433076be11bc6fa7a31fdfbbbcbf1c2500

SHA512
ef169894c893c6f96e9d438696cd017d41901c89f6b59e93f671153176d98d385ed0a2ca9744a9883e1013003e198f932199b9707a63beedc6d8c2eceab0b245

Download Submit
\Users\Admin\nwleul.exe
Filesize
204KB

MD5
8563625f9e22bb093789198b0fa04d53

SHA1
1a0574acc6063ac2b0675f6e1cf2bbe92a40534b

SHA256
a29014cbdbed21034616ffcad9f202433076be11bc6fa7a31fdfbbbcbf1c2500

SHA512
ef169894c893c6f96e9d438696cd017d41901c89f6b59e93f671153176d98d385ed0a2ca9744a9883e1013003e198f932199b9707a63beedc6d8c2eceab0b245

Download Submit
\Users\Admin\nwleul.exe
Filesize
204KB

MD5
8563625f9e22bb093789198b0fa04d53

SHA1
1a0574acc6063ac2b0675f6e1cf2bbe92a40534b

SHA256
a29014cbdbed21034616ffcad9f202433076be11bc6fa7a31fdfbbbcbf1c2500

SHA512
ef169894c893c6f96e9d438696cd017d41901c89f6b59e93f671153176d98d385ed0a2ca9744a9883e1013003e198f932199b9707a63beedc6d8c2eceab0b245

Download Submit
memory/540-56-0x0000000075C11000-0x0000000075C13000-memory.dmp

Filesize
8KB

Download
memory/912-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads