15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351

Analysis

max time kernel
61s
max time network
175s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25-11-2022 22:16

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General

Target

15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe
Size

194KB
MD5

33149556181719096a9870e2897ad643
SHA1

5595d547b618d4908504fc27acf13e8241f69965
SHA256

15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351
SHA512

0112397627dbd2065fbff3d2645129319aa146cc3d4d177ca42cf001afde9862e0952033997d95a278959fe8cc300ada9563ae6873c64dfa351fa369855919bf
SSDEEP

3072:Uv5ChRQUknU7TfNMXgSrayXVE9y4qQDHg2EPkoTrEsjHZvQ3hl43vpMvxGWqB2cK:dh6zU7T1DylEtDAvPJTrF5vQ37IM

Score

8^/10

collection discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 3724 rundll32.exe
8 3724 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3724 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

flow	pid	process
4	3724	rundll32.exe
8	3724	rundll32.exe

pid	process
3724	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4272 3724 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4272	3724	WerFault.exe	rundll32.exe

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

Processes:

rundll32.exe

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 4 IoCs

Processes:

rundll32.exe

pid process

3724 rundll32.exe
3724 rundll32.exe
3724 rundll32.exe
3724 rundll32.exe

pid	process
3724	rundll32.exe
3724	rundll32.exe
3724	rundll32.exe
3724	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe

description	pid	process	target process
PID 2124 wrote to memory of 3724	2124	15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe	rundll32.exe
PID 2124 wrote to memory of 3724	2124	15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe	rundll32.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe
"C:\Users\Admin\AppData\Local\Temp\15940963f5cd71e4a9f686a383211663cc501ffe34ffd9582c1300af4d56b351.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\system32\rundll32.exe
"C:\Users\Admin\AppData\Roaming\nsis_unse57251c.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBTAAce8AUABiOQBkAGG+QwBtAFMAdjkASvsAWS0CWUiD7Cj|6AQCAABIg8T|KMPMzMxMiUT|JBhIiVQkEEjviUwkCFkBSItEvyQwSIkEJH0BOP1IawAISMdEJBD2LQHrDn0BEEiDwHUBiwEQfQFASDmSAPtzJZsDiwwkSAN|yEiLwUiLTKcB|VR3AAPRSIvKit8JiAjrwWIFZUjviwQlYPPwM8lI|4tQGEg70XQ2|0iDwiBIiwJI|zvCdCpmg3hI|xh1GkyLQFBmv0GDOGt0Bw0RS|t1CA0QeBAudAX|SIsA69VIi0j6+QDBZgBAU1VWV|9BVEFVQVZBV|5ZAWaBOU1aTYv|+EyL8kiL2Q|7hfzz8ExjSTxB|4E8CVBFAAAP+4Xq8|BBi4QJiP7z8IXASI08AQ97hNZmEYO8CYwtAfcPhMfz8ESLZyD|RItfHIt3JET|i08YTAPhTAP|2UgD8TPJRYXvyQ+EpPPwTYvE|0GLEEUz0kgD|9OKAoTAdB1Bv8HKDQ++wPYAAfdEA9C7EXXsQYH|+qr8DXx0DoP|wQFJg8AEQTv|yXNp68aLwQ||twxORYssi0y|A+t0WDPtphB071FBixS9ANMzyf+KAkyLwusPwe3JxBEDyOEQAUGK|QDREO0zwDP2Qec7DLbcEKIAg8YB|4P4CHLu6wpI|4vLQf|VSYkE9|eDxeAQxAQ7b|cYcq9iAUFfQV7|QV1BXF9eXVu+LxdIgexgAWAAi||p6Gb+||9IhW|AD4SZcSBMjasBfYsnEMgz|+ibeSD|jV8ETI1FQjN|0ovL|1QkaHwgv0yL4A+EbHEgRd6kEDPAi9ONIEiJ13wkIKIgcHwgSIvP8A+ETHEgoiBQSP+NVghEjUdASPeNjCSBEUiL2Oi7fP16II1WSNogENreIczz8Ohn6yBEi08GjVcIPSCiIFjGIa+JhCSAgxLd8|CLPQ7WIFiJjCRtEQMw9o0g6DHrIEyLXTq7i6wpMkiLnBYyTP+JZCQ4RI1nbO9JO+xIhiAwTIndXIABhCTcgxGGjvTjId8g8KwTSIvT6Nvn|AEwipxzMkiN|YRzMkGA8yFJi+|MRDAYoAKD6QHvdfOBvHMyIVJlf3h1SouEJPQeMfeUJPjz8APCSDv|6HI1QTvUdjD|RI1JQEkr1EHTuACUAKIgQMYi+HTzF0S0ML4xSI1TbL6NIE0rxOhsgDBI+4vOoiB4SIX|dPMUTIwwFzFIjUwk90C6A|Pw|9dIgRnEcCFdJAAA
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:3724

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3724 -s 936
3⤵
- Program crash
PID:4272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse57251c.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
\Users\Admin\AppData\Roaming\nsis_unse57251c.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
memory/2124-120-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-121-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-122-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-123-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-124-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-125-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-126-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-127-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-128-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-129-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-130-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-132-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-131-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-133-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-134-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-135-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-136-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-137-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-138-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-139-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-140-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-141-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-142-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-143-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-144-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-145-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-146-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-147-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-148-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-149-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-150-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-151-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-152-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-153-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-154-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-155-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-156-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-157-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-158-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-159-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-160-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-161-0x0000000000151000-0x0000000000153000-memory.dmp

Filesize
8KB

Download
memory/2124-162-0x00000000007E0000-0x0000000000803000-memory.dmp

Filesize
140KB

Download
memory/2124-163-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2124-164-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3724-165-0x0000000000000000-mapping.dmp

Download
memory/3724-168-0x000001AB3FBE0000-0x000001AB3FBE7000-memory.dmp

Filesize
28KB

Download
memory/3724-169-0x00007FF65B4E0000-0x00007FF65B5DA000-memory.dmp

Filesize
1000KB

Download
memory/3724-172-0x00007FF65B4E0000-0x00007FF65B5DA000-memory.dmp

Filesize
1000KB

Download
memory/3724-173-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/3724-174-0x00007FF65B4E0000-0x00007FF65B5DA000-memory.dmp

Filesize
1000KB

Download