Analysis Overview
SHA256
71b785d3ee8272a0a24130c98e06752f868a60231a3542fc63ac38edc2895b1b
Threat Level: Known bad
The file 301503edfb1ea723b231b416c2a81f0f.bin was found to be: Known bad.
Malicious Activity Summary
Strela
Checks computer location settings
Loads dropped DLL
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-27 01:47
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-27 01:47
Reported
2024-03-27 01:50
Platform
win10v2004-20240226-en
Max time kernel
156s
Max time network
169s
Command Line
Signatures
Strela
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation | C:\Windows\system32\wscript.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45.js
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45.js" "C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat" && "C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat"
C:\Windows\system32\findstr.exe
findstr /V marrywise ""C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode magnificentdevelopment returnready.dll
C:\Windows\system32\cmd.exe
cmd /c rundll32 returnready.dll,m
C:\Windows\system32\rundll32.exe
rundll32 returnready.dll,m
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2272,i,17338911640954948469,1637568328132129119,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 216.58.213.10:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.213.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\trousersperpetual.bat
| MD5 | 301503edfb1ea723b231b416c2a81f0f |
| SHA1 | dd41fda85637d2593ef4aad407371ec830fe171d |
| SHA256 | 544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45 |
| SHA512 | f5df4b28a0f012b458026ef7caa2f460f51476a67e63e63641631dc5672b4920422618afb36af17373ffdfcc678370dc965678f3d3f1dda5326589c2a471f9d5 |
C:\Users\Admin\AppData\Local\Temp\magnificentdevelopment
| MD5 | 04d8d28e9039e6861017650bb59f24b3 |
| SHA1 | 53741049bc23ab05658dc32ad54326a87dd0edee |
| SHA256 | 54d3f28c9044ca9b16d3584d7bfac00c65f8aa6369801b340e1a7348d4681bef |
| SHA512 | 05c9830335b82a5dd020e097e8fb3241e52d60875d951b13dfe82ad590c922ed6884ae5f9a1d2a6270c0d3456bc88ed8d373c5fdedca8a604f65ce986f00cf32 |
C:\Users\Admin\AppData\Local\Temp\returnready.dll
| MD5 | 9499f14143b34ea7703c73b5f9b37013 |
| SHA1 | ceff6b19826c9a4e9b9e8cbcc512d5241a27825e |
| SHA256 | e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1 |
| SHA512 | f14dec41f677fb3e2af064b4b7a6b3b15bec8429a831a78247513853d4ce7511ed37e89e52ebadbed03ab9115dcea3cc316b90e99c939d07402b5a554d722668 |
memory/4160-390-0x0000016F778F0000-0x0000016F77913000-memory.dmp
memory/4160-391-0x00007FF98EE10000-0x00007FF98EE57000-memory.dmp
memory/4160-392-0x0000016F778F0000-0x0000016F77913000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-27 01:47
Reported
2024-03-27 01:49
Platform
win7-20240220-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Strela
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\system32\rundll32.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45.js
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45.js" "C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat" && "C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat"
C:\Windows\system32\findstr.exe
findstr /V marrywise ""C:\Users\Admin\AppData\Local\Temp\\trousersperpetual.bat""
C:\Windows\system32\certutil.exe
certutil -f -decode magnificentdevelopment returnready.dll
C:\Windows\system32\cmd.exe
cmd /c rundll32 returnready.dll,m
C:\Windows\system32\rundll32.exe
rundll32 returnready.dll,m
Network
Files
C:\Users\Admin\AppData\Local\Temp\trousersperpetual.bat
| MD5 | 301503edfb1ea723b231b416c2a81f0f |
| SHA1 | dd41fda85637d2593ef4aad407371ec830fe171d |
| SHA256 | 544887bc3f0dccb610dd7ba35b498a03ea32fca047e133a0639d5bca61cc6f45 |
| SHA512 | f5df4b28a0f012b458026ef7caa2f460f51476a67e63e63641631dc5672b4920422618afb36af17373ffdfcc678370dc965678f3d3f1dda5326589c2a471f9d5 |
C:\Users\Admin\AppData\Local\Temp\magnificentdevelopment
| MD5 | 04d8d28e9039e6861017650bb59f24b3 |
| SHA1 | 53741049bc23ab05658dc32ad54326a87dd0edee |
| SHA256 | 54d3f28c9044ca9b16d3584d7bfac00c65f8aa6369801b340e1a7348d4681bef |
| SHA512 | 05c9830335b82a5dd020e097e8fb3241e52d60875d951b13dfe82ad590c922ed6884ae5f9a1d2a6270c0d3456bc88ed8d373c5fdedca8a604f65ce986f00cf32 |
C:\Users\Admin\AppData\Local\Temp\returnready.dll
| MD5 | 9499f14143b34ea7703c73b5f9b37013 |
| SHA1 | ceff6b19826c9a4e9b9e8cbcc512d5241a27825e |
| SHA256 | e6991b12e86629b38e178fef129dfda1d454391ffbb236703f8c026d6d55b9a1 |
| SHA512 | f14dec41f677fb3e2af064b4b7a6b3b15bec8429a831a78247513853d4ce7511ed37e89e52ebadbed03ab9115dcea3cc316b90e99c939d07402b5a554d722668 |
memory/2176-394-0x0000000001E60000-0x0000000001E83000-memory.dmp
memory/2176-393-0x000007FEF7650000-0x000007FEF7697000-memory.dmp