Analysis Overview
SHA256
f43876d45e2792b4e94cc6b2ec125859ec51be4a22b8578aed2e92d073ea57c2
Threat Level: Known bad
The file b8b391dfda10a19f7dee154c7b4396dd was found to be: Known bad.
Malicious Activity Summary
Gozi family
UPX packed file
Deletes itself
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-07 12:10
Signatures
Gozi family
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: behavioral1
Detonation Overview
Submitted
2024-03-07 12:10
Reported
2024-03-07 12:13
Platform
win7-20240221-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | 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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2352 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
| PID 2352 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
| PID 2352 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
| PID 2352 wrote to memory of 3060 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 172.67.144.180:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 104.21.20.204:80 | yxeepsek.net | tcp |
Files
memory/2352-0-0x0000000000400000-0x000000000086A000-memory.dmp
memory/2352-1-0x0000000001A60000-0x0000000001B72000-memory.dmp
memory/2352-2-0x0000000000400000-0x00000000005F2000-memory.dmp
\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
| MD5 | d212e0985bdf8a948c75ad80b54b3d1e |
| SHA1 | a998f735e7947720aa831cd0fdaeb4d93730577b |
| SHA256 | da82100c83b5ef0acf2076a93ab2afd7ff50132306b5a78d313f2d7b7b21198c |
| SHA512 | 49bb740ee0be891dee3249d536e0de8e08e35802366141180acf66887b424591bddc5f0ef8332ebd19cda6df12a833ecc3ea72dc0b8e953df1926bafa4945b94 |
memory/2352-17-0x0000000003690000-0x0000000003AFA000-memory.dmp
memory/3060-19-0x0000000001A60000-0x0000000001B72000-memory.dmp
memory/3060-21-0x0000000000400000-0x000000000086A000-memory.dmp
memory/3060-16-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2352-15-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2352-26-0x0000000003690000-0x0000000003AFA000-memory.dmp
memory/3060-27-0x0000000000400000-0x000000000086A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-07 12:10
Reported
2024-03-07 12:13
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
151s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | 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 |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5072 wrote to memory of 2120 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
| PID 5072 wrote to memory of 2120 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
| PID 5072 wrote to memory of 2120 | N/A | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe | C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
"C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.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=1044 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.113.22.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 172.67.144.180:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 8.8.8.8:53 | 180.144.67.172.in-addr.arpa | udp |
| US | 172.67.194.101:80 | yxeepsek.net | tcp |
| US | 8.8.8.8:53 | 101.194.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
memory/5072-0-0x0000000000400000-0x000000000086A000-memory.dmp
memory/5072-1-0x0000000001C00000-0x0000000001D12000-memory.dmp
memory/5072-2-0x0000000000400000-0x00000000005F2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
| MD5 | 5bc782348ebb8207eef285f9f9d676e6 |
| SHA1 | 1dd05575cb41ccda3b2876a83db2da0557b7eec6 |
| SHA256 | cdcbe0dc27da673f59c506eb68680a4b074c6ee7813956ee8f5bb0d5de832245 |
| SHA512 | 05acd51976bb996a381e31904e1ad27e7eba14a61d11227a241a3f955cbba87bb754db9949f5146e878b721117b7ceb56db3827b954f8f516d7be88ba73e3744 |
memory/5072-14-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2120-15-0x0000000000400000-0x000000000086A000-memory.dmp
memory/2120-16-0x0000000000400000-0x00000000005F2000-memory.dmp
memory/2120-17-0x0000000001870000-0x0000000001982000-memory.dmp
memory/2120-24-0x0000000000400000-0x000000000086A000-memory.dmp