d719df850d62a455d34bf2a5847b36e6d267047824b2e96b7c4c9cdfbd9737e3

General

Target

Noteppad_SettupX32iX64.exe
Size

6.3MB
MD5

6d9f7b051a734c7029f67d51e5038bbd
SHA1

916ffa3b7b9815d7941a6a3c47a95469a0092b2e
SHA256

d719df850d62a455d34bf2a5847b36e6d267047824b2e96b7c4c9cdfbd9737e3
SHA512

8286513227e83fda02040cd39aee177a3b33e9fced3e7deed5caf7035ced698712618644a13c518f3545bc7b583edcd3d88ad78a1a9cd36bdcbad9d540d35b5f
SSDEEP

196608:mTQb8bQ8VhcpciM1rr5bgYFTNZXdSNSI:mTO8c2cBMx9cwDt

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
12	3356	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3356	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2632	Noteppad_SettupX32iX64.exe
2632	Noteppad_SettupX32iX64.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3380	3356	WerFault.exe	85

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2632	Noteppad_SettupX32iX64.exe
2632	Noteppad_SettupX32iX64.exe
3356	rundll32.exe
3356	rundll32.exe
3356	rundll32.exe
3356	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 3356	2632	Noteppad_SettupX32iX64.exe	85
PID 2632 wrote to memory of 3356	2632	Noteppad_SettupX32iX64.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\Noteppad_SettupX32iX64.exe
"C:\Users\Admin\AppData\Local\Temp\Noteppad_SettupX32iX64.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse5683ea.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8HT|ADAARgA4ADm|AGcAdQBpIQBsPwB3AGMAVD0ALQH|WUiD7CjoBAL|AABIg8Qow8z|zMxMiUQkGEj|iVQkEEiJTCT9CF0BSItEJDBIt4kEJIEBOEhvAAjfSMdEJBAtAesOvoEBEEiDwAGPARBugQFASDmWAHMlnwP|iwwkSAPISIuvwUiLTKsBVHsAA||RSIvKigmICPvrwWYFZUiLBCX9YPPwM8lIi1AY|0g70XQ2SIPC|yBIiwJIO8J0|ypmg3hIGHUa|0yLQFBmQYM4d2t0BxERS3UIERD|eBAudAVIiwBf69VIi0j9AMFqAP9AU1VWV0FUQd9VQVZBV10BZoH|OU1aTYv4TIt|8kiL2Q+F|PPw|0xjSTxBgTwJf1BFAAAPherz8N9Bi4QJiPPwhcB|SI08AQ+E1moR74O8CYwtAQ+Ex|7z8ESLZyBEi1||HIt3JESLTxj|TAPhTAPZSAP|8TPJRYXJD4T9pPPwTYvEQYsQ|0Uz0kgD04oC|4TAdB1BwcoN9w++wPoAAUQD0P6|EXXsQYH6qvz|DXx0DoPBAUn|g8AEQTvJc2n|68aLwQ+3DE7|RYssi0wD63T3WDPtqhB0UUGL|RTBANMzyYoCTL+LwusPwcnIEQO9yOUQAUGKANUQ7f8zwDP2QTsMtvzgEKYAg8YBg|gI|3Lu6wpIi8tB|||VSYkE94PF|uQQxAQ7bxhyr|5mAUFfQV5BXUHfXF9eXVszF0iB9+xgAWQAi+noZv|+||9IhcAPhK2YdSBMja8BiysQyO8z|+ibfSCNXwT|TI1FRjPSi8vv|1QkaIAgTIvg1w+Ea3UgRagQM8D7i9ORIEiJfCQg+qYgcIAgSIvwD4T5S3UgpiBQSI1WCP9EjUdASI2MJH6FEUiL2Oh8|X4gV41WSN4gEOIhzPPw++hn7yBEiwaNV+kIQSCmIFjKIYmEJLWAhxLe8|CLDtogWMeJjCRxEQcwkSDoMfbvIIucLTJMi10630iD+2xIiiAwTH+JZCQ4TIukGjJ3TIlchAGEJNyHEduGko0RjUdLMIwk|fDz8EmL1Ojp|HYFMIqceDJIjYR4Mv9BgPMhjU9sRPswGKQCg+kBdfP7gbx4MiFSZXh1302LhCT0IjGUJP34NQHCSDvYcjj|g|psdjNEjUk9QPoAlEG4AJgApiA9QMoi+HQZRLYwwDHfSY1UJGyRIEmD7+hs6GuCMEiLzv6mIHhIhf90EovnVUJMjjAbMUiNTH8kQP|XSIHEdCEAYSQtCC0B
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:3356
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3356 -s 608
    3⤵
    - Program crash
    PID:3380

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 3356 -ip 3356
1⤵
PID:5104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse5683ea.dll

Filesize
57KB

MD5
713062daba2534394662294035fd7e92

SHA1
40270752db5576f1d5e6c935f224754c7b6c3450

SHA256
e6a5ca65acfd261d56f622f891bf04e6d41862ab505466374daeee8852a01b71

SHA512
e07d9c38d43334cb8e35b32c12eef9ff1ddb7ffe0004ae0d56fe3fb24fbec6b179b631f61afc54b1d31ad02c619442c783a9d881cce86be833b39c59f236b2fd

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse5683ea.dll

Filesize
57KB

MD5
713062daba2534394662294035fd7e92

SHA1
40270752db5576f1d5e6c935f224754c7b6c3450

SHA256
e6a5ca65acfd261d56f622f891bf04e6d41862ab505466374daeee8852a01b71

SHA512
e07d9c38d43334cb8e35b32c12eef9ff1ddb7ffe0004ae0d56fe3fb24fbec6b179b631f61afc54b1d31ad02c619442c783a9d881cce86be833b39c59f236b2fd

Download Submit
memory/2632-132-0x0000000000400000-0x0000000000DBD000-memory.dmp

Filesize
9.7MB

Download
memory/2632-135-0x0000000000400000-0x0000000000DBD000-memory.dmp

Filesize
9.7MB

Download
memory/2632-136-0x0000000002C60000-0x0000000002C7D000-memory.dmp

Filesize
116KB

Download
memory/2632-142-0x0000000000400000-0x0000000000DBD000-memory.dmp

Filesize
9.7MB

Download
memory/2632-143-0x0000000002C60000-0x0000000002C7D000-memory.dmp

Filesize
116KB

Download
memory/3356-140-0x000001AA9B4E0000-0x000001AA9B4E7000-memory.dmp

Filesize
28KB

Download
memory/3356-141-0x00007FF43E8F0000-0x00007FF43E9EA000-memory.dmp

Filesize
1000KB

Download
memory/3356-144-0x00007FF43E8F0000-0x00007FF43E9EA000-memory.dmp

Filesize
1000KB

Download
memory/3356-145-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download

Analysis

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