Analysis Overview
SHA256
c9025f4e07447f8655a994c8c477266baff693c7f11cc1dc85292c333b4a83da
Threat Level: Likely malicious
The file c9025f4e07447f8655a994c8c477266baff693c7f11cc1dc85292c333b4a83da was found to be: Likely malicious.
Malicious Activity Summary
detect oss ak
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix
Analysis: static1
Detonation Overview
Reported
2024-05-15 05:18
Signatures
detect oss ak
| 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: behavioral1
Detonation Overview
Submitted
2024-05-15 05:18
Reported
2024-05-15 05:21
Platform
win7-20240220-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe
"C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe"
Network
Files
memory/2204-0-0x0000000071F30000-0x00000000733FB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-15 05:18
Reported
2024-05-15 05:21
Platform
win10v2004-20240226-en
Max time kernel
142s
Max time network
152s
Command Line
Signatures
detect oss ak
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 392 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe | C:\Windows\system32\cmd.exe |
| PID 392 wrote to memory of 3048 | N/A | C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe | C:\Windows\system32\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe
"C:\Users\Admin\AppData\Local\Temp\ֽ\ByteDance-ʶֲ.word.exe"
C:\Windows\system32\cmd.exe
cmd ver
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=5256 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | res.mall.10010.cn | udp |
| US | 8.8.8.8:53 | 77.190.18.2.in-addr.arpa | udp |
| CN | 61.170.81.234:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.234:443 | res.mall.10010.cn | tcp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.in-addr.arpa | udp |
| CN | 61.170.81.233:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.233:443 | res.mall.10010.cn | tcp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 47.23.48.23.in-addr.arpa | udp |
| CN | 61.170.81.240:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.240:443 | res.mall.10010.cn | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| CN | 61.170.81.239:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.239:443 | res.mall.10010.cn | tcp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| CN | 61.170.81.236:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.236:443 | res.mall.10010.cn | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| CN | 61.170.81.237:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.237:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.235:443 | res.mall.10010.cn | tcp |
| CN | 61.170.81.235:443 | res.mall.10010.cn | tcp |
| US | 8.8.8.8:53 | 154.141.79.40.in-addr.arpa | udp |
Files
memory/392-0-0x00000160F28C0000-0x00000160F2AAD000-memory.dmp
memory/392-19-0x0000000000400000-0x00000000005ED000-memory.dmp
memory/392-18-0x00000160F28C0000-0x00000160F2AAD000-memory.dmp
memory/392-2-0x0000000000400000-0x00000000005ED000-memory.dmp
memory/392-20-0x000001615D0C0000-0x000001615D118000-memory.dmp
memory/392-22-0x000001615EB40000-0x000001615EB98000-memory.dmp
memory/392-21-0x000001615D070000-0x000001615D0BC000-memory.dmp
memory/392-23-0x000001615CFE0000-0x000001615D02C000-memory.dmp
memory/392-24-0x0000000056D60000-0x000000005822B000-memory.dmp
memory/392-26-0x00000160F28C0000-0x00000160F2AAD000-memory.dmp
memory/392-27-0x0000000000400000-0x00000000005ED000-memory.dmp
memory/392-28-0x000001615D070000-0x000001615D0BC000-memory.dmp
memory/392-33-0x000001615D0A0000-0x000001615D0A2000-memory.dmp
memory/392-34-0x000001615D0B0000-0x000001615D0B2000-memory.dmp
memory/392-35-0x0000000056D60000-0x000000005822B000-memory.dmp
memory/392-41-0x0000000056D60000-0x000000005822B000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-15 05:18
Reported
2024-05-15 05:21
Platform
win7-20240221-en
Max time kernel
122s
Max time network
122s
Command Line
Signatures
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ֽ\PROPSYS.dll
Network
Files
memory/2860-0-0x0000000072A50000-0x0000000073F1B000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-05-15 05:18
Reported
2024-05-15 05:21
Platform
win10v2004-20240426-en
Max time kernel
130s
Max time network
137s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2352 wrote to memory of 3308 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
| PID 2352 wrote to memory of 3308 | N/A | C:\Windows\system32\regsvr32.exe | C:\Windows\system32\cmd.exe |
Processes
C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ֽ\PROPSYS.dll
C:\Windows\system32\cmd.exe
cmd ver
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| BE | 88.221.83.201:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 201.83.221.88.in-addr.arpa | udp |
| BE | 2.17.107.104:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 104.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.23.48.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |