Analysis Overview
SHA256
8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9
Threat Level: Known bad
The file 8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9 was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
Renames multiple (847) files with added filename extension
UPX dump on OEP (original entry point)
Renames multiple (2845) files with added filename extension
UPX packed file
Drops file in Program Files directory
Unsigned PE
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-06-11 00:28
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-11 00:28
Reported
2024-06-11 00:31
Platform
win10v2004-20240226-en
Max time kernel
153s
Max time network
160s
Command Line
Signatures
Renames multiple (847) files with added filename extension
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
Processes
C:\Users\Admin\AppData\Local\Temp\8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9.exe
"C:\Users\Admin\AppData\Local\Temp\8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9.exe"
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=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 172.217.169.42:443 | chromewebstore.googleapis.com | tcp |
| GB | 172.217.169.42:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 42.169.217.172.in-addr.arpa | udp |
Files
memory/372-0-0x0000000000400000-0x000000000040B000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.tmp
| MD5 | 9fd8ee676535b03166100856d1b76ad1 |
| SHA1 | e34d37476ee7de8dcca6053500fcef656d1734f1 |
| SHA256 | aadb3556e58da6cbe76db9caef2af206e8b5ceac39f359cfbebf2229c213cd57 |
| SHA512 | 577af81dd8bb8b53e8743a73cdfc64b48b387962853537ad3577aa66be717e6b38a06238d09d85ff421ca63996d631ee253fe2baa1baf8624f12d814ade01569 |
C:\libsmartscreen.dll.tmp
| MD5 | 875128111de2db6b6b847afd10b10190 |
| SHA1 | 2e664791c225773fd4a4c66df628c0bd484b0b37 |
| SHA256 | e3490b74f5085df9acd9d201413205ceec38ab8fed8ea3b8587ca5791371373c |
| SHA512 | a8b786d05f38da148974efeee1b49976876e587de198691c80d44129b13d314d3d44fcf5c233e04ffe88de620249fed705873c33f626ec6b009c3c26edd1e546 |
memory/372-288-0x0000000000400000-0x000000000040B000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 00:28
Reported
2024-06-11 00:31
Platform
win7-20240221-en
Max time kernel
150s
Max time network
120s
Command Line
Signatures
Renames multiple (2845) files with added filename extension
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
Processes
C:\Users\Admin\AppData\Local\Temp\8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9.exe
"C:\Users\Admin\AppData\Local\Temp\8cf1b85762a8282c98f155f987af99fc36463394f7db3146daa25d6c7f54e0c9.exe"
Network
Files
memory/2928-0-0x0000000000400000-0x000000000040B000-memory.dmp
C:\$Recycle.Bin\S-1-5-21-2297530677-1229052932-2803917579-1000\desktop.ini.tmp
| MD5 | 8b915ba035b6949f0b5a70e99a5321a9 |
| SHA1 | 46983f9ba06b1c9c6c1a4b0a2b21775b1a44ab2e |
| SHA256 | 41fd568adc63877668de2ff87bd9af151e18bcf1e2aef68753a5678584157013 |
| SHA512 | 609e330f69478245e3a8bd304f0aaa18ecff0728cad0c8e23107f50313ff8ca458812ad6c9a995a2c6680217cd19a7dd1e82b4e714f41b73148c18527130673d |
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp
| MD5 | 580703f0cc101615f958b2aaac50c155 |
| SHA1 | 9d2ce497ec1b11b92983fb1c862deb8a2bcdd51b |
| SHA256 | 47baa0a1a7e5dcf79a69d09c56c9026f0471107f675e70b28abdc9048df0af23 |
| SHA512 | b725878a1dd7a1360f57a70dda77ba99d80feffbec4b32f26ccdfc5b006b3e33f74e566f17bef09aa64faf77e2a0a734572afc70f7052a4a5c4d6366c0b62f95 |
memory/2928-448-0x0000000000400000-0x000000000040B000-memory.dmp