Analysis Overview
SHA256
a48395f97d3ac1f1cf5e954c4a0fe7f92d2aade4af6b6c70b360d854cdac8923
Threat Level: Known bad
The file bf67083c9f9d7291a9ffc97067a2e2a7 was found to be: Known bad.
Malicious Activity Summary
Gozi
UPX packed file
Executes dropped EXE
Loads dropped DLL
Deletes itself
Unsigned PE
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-11 00:47
Signatures
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
2024-03-11 00:47
Reported
2024-03-11 00:49
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
156s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.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\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4544 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
| PID 4544 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
| PID 4544 wrote to memory of 4760 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
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 | 17.160.190.20.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 | zipansion.com | udp |
| US | 104.21.73.114:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 172.67.194.101:80 | yxeepsek.net | tcp |
| US | 8.8.8.8:53 | 114.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.194.67.172.in-addr.arpa | 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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.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 | 8.8.8.8:53 | 18.173.189.20.in-addr.arpa | udp |
Files
memory/4544-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/4544-1-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/4544-2-0x0000000000400000-0x000000000062A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
| MD5 | 8535334662348d8cddc6f0b25e5434f0 |
| SHA1 | 13c335582d4252c62c909dec05ce8cb7efe1dde8 |
| SHA256 | 71143686864976cd8221abbc56f81cdf27365ad0ce9acf03437337a1049c043c |
| SHA512 | 44480f2b2bfea249707aee87b70b23909088cf5bc192ac7705962438792f50dab519dacc0e2460dada2e2593180b36f72abbe25a85e26f82786de4238a7c894d |
memory/4544-12-0x0000000000400000-0x000000000062A000-memory.dmp
memory/4760-13-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/4760-15-0x0000000000400000-0x000000000062A000-memory.dmp
memory/4760-14-0x00000000018F0000-0x0000000001A23000-memory.dmp
memory/4760-20-0x00000000055D0000-0x00000000057FA000-memory.dmp
memory/4760-21-0x0000000000400000-0x000000000061D000-memory.dmp
memory/4760-28-0x0000000000400000-0x00000000008EF000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-11 00:47
Reported
2024-03-11 00:49
Platform
win7-20240221-en
Max time kernel
122s
Max time network
129s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.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\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2844 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
| PID 2844 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
| PID 2844 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
| PID 2844 wrote to memory of 2180 | N/A | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe | C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 104.21.73.114:80 | zipansion.com | tcp |
| US | 8.8.8.8:53 | yxeepsek.net | udp |
| US | 104.21.20.204:80 | yxeepsek.net | tcp |
Files
memory/2844-0-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2844-2-0x0000000001B20000-0x0000000001C53000-memory.dmp
memory/2844-1-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2844-13-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2180-18-0x0000000000400000-0x00000000008EF000-memory.dmp
memory/2180-16-0x0000000000400000-0x000000000062A000-memory.dmp
memory/2180-20-0x0000000001B20000-0x0000000001C53000-memory.dmp
memory/2180-23-0x0000000000400000-0x000000000061D000-memory.dmp
memory/2180-24-0x0000000003410000-0x000000000363A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
| MD5 | d0d67f15736e47e68d336f01d01cc1c4 |
| SHA1 | 57d19d910e0f04cc23c7953f631b7506ca3a75f8 |
| SHA256 | db37eb98f8449148ecc6b2feac6174e005f942d038ad96022a836df3fbcbe017 |
| SHA512 | 7fb41eac7b45baa5340a722fc9aa80aa9615ca8eec69b2b2b17e7b357ba9907e94aeb64945c2db43eb059a156c96cb6f6f58b23de9dd00f36ce7b2f933d684af |
memory/2844-14-0x0000000003DD0000-0x00000000042BF000-memory.dmp
\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe
| MD5 | e0d956eec8be8c11a304552fcb7addf6 |
| SHA1 | 3e8236a036d933fcac37f46eef4d55ca95b4121d |
| SHA256 | a5df990ce9cbb7085ce8c8566cb04e5e1357770445d30dbcfc3a86aab1c8f7a5 |
| SHA512 | e88316d930e15a19f12067e1ec1236f3ec962d97fc7f485ca0bb0eba1781f2ae640ec94ded13023867ca1b38ee72074857ce1bd6fb0aba83ee4617de26b07add |
memory/2844-31-0x0000000003DD0000-0x00000000042BF000-memory.dmp
memory/2180-32-0x0000000000400000-0x00000000008EF000-memory.dmp