Analysis Overview
SHA256
aa392bc1b61e660ae6c448644975a764ad6572ed8f2b8b40a9d64183f97e19de
Threat Level: Known bad
The file c81c811f6496a068bc118df59fcff64a was found to be: Known bad.
Malicious Activity Summary
Gozi
Loads dropped DLL
Deletes itself
Executes dropped EXE
UPX packed file
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of UnmapMainImage
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-14 08:00
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: behavioral1
Detonation Overview
Submitted
2024-03-14 08:00
Reported
2024-03-14 08:02
Platform
win7-20240221-en
Max time kernel
117s
Max time network
125s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2076 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
| PID 2076 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
| PID 2076 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
| PID 2076 wrote to memory of 2884 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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/2076-1-0x0000000000400000-0x0000000000622000-memory.dmp
memory/2076-2-0x0000000000280000-0x00000000003B1000-memory.dmp
memory/2076-0-0x0000000000400000-0x00000000008E7000-memory.dmp
\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
| MD5 | 80ed4add5fb4dd4b6929ed28d54aa9ba |
| SHA1 | a9913509c1dbbddcf79fd8ade09dd7028da7190b |
| SHA256 | 4e74011749a69542b9451175991bb76fe5c826ca0c3d76d869622a5c1779c83e |
| SHA512 | 05daa6b7fa0ae8d6e5e11988cdbff52f4392706a814b1baa389cfbaa6da9939b95b3b8e91873af87552d8e193e42a3aa1e4e0c23865e68400b17a4846a0a5ded |
memory/2076-14-0x0000000000400000-0x0000000000622000-memory.dmp
memory/2884-17-0x0000000000400000-0x00000000008E7000-memory.dmp
memory/2076-13-0x00000000035C0000-0x0000000003AA7000-memory.dmp
memory/2884-20-0x0000000001B10000-0x0000000001C41000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
| MD5 | 545fb6f57133320360eecddae36723d8 |
| SHA1 | 0e2e7523c81ff3e73e2cc943dfd452e4144dcee8 |
| SHA256 | 03589057ca6d3a04008a50f6ba5b97df053039749368729c9892045f29805e16 |
| SHA512 | 22c265c7b2798ecd41222fc714d75b010466caf1c340f09d4cb1d0ba0fa99332805339383e308249c3f33f255a258cb7b81267740920b0a69997bc973a1122fe |
memory/2884-16-0x0000000000400000-0x0000000000622000-memory.dmp
memory/2884-25-0x00000000033F0000-0x0000000003612000-memory.dmp
memory/2884-23-0x0000000000400000-0x0000000000616000-memory.dmp
memory/2076-31-0x00000000035C0000-0x0000000003AA7000-memory.dmp
memory/2884-32-0x0000000000400000-0x00000000008E7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 08:00
Reported
2024-03-14 08:02
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Gozi
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5008 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
| PID 5008 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
| PID 5008 wrote to memory of 4524 | N/A | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe | C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | zipansion.com | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | 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 |
| US | 8.8.8.8:53 | 114.73.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.20.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.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 | 72.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 175.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.160.77.104.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| GB | 96.17.178.174:80 | tcp |
Files
memory/5008-0-0x0000000000400000-0x00000000008E7000-memory.dmp
memory/5008-1-0x0000000001D00000-0x0000000001E31000-memory.dmp
memory/5008-2-0x0000000000400000-0x0000000000622000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe
| MD5 | 70ac3a9cbc8062612cb9f2099e309963 |
| SHA1 | f7043d607ed5ba0c161473d272d3904f3a271cdb |
| SHA256 | 8968b1d00d7527a94d9534c934265cd71f95d629b33d68b0ee37fc967ea8375e |
| SHA512 | 559d3f05d4e4190407a8be5566766a24076eae72f97614b14fc2a7c1ca85ad7f79bbbb358b4ac373383efc98dc39b396abcc5169170de8baea31323dc213c295 |
memory/5008-12-0x0000000000400000-0x0000000000622000-memory.dmp
memory/4524-13-0x0000000000400000-0x0000000000622000-memory.dmp
memory/4524-15-0x0000000001D90000-0x0000000001EC1000-memory.dmp
memory/4524-14-0x0000000000400000-0x00000000008E7000-memory.dmp
memory/4524-20-0x0000000005680000-0x00000000058A2000-memory.dmp
memory/4524-21-0x0000000000400000-0x0000000000616000-memory.dmp
memory/4524-28-0x0000000000400000-0x00000000008E7000-memory.dmp