Analysis Overview
SHA256
a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b
Threat Level: Known bad
The file a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b was found to be: Known bad.
Malicious Activity Summary
FatalRat
Fatal Rat payload
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-08-22 07:57
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-22 07:57
Reported
2023-08-22 08:00
Platform
win7-20230712-en
Max time kernel
119s
Max time network
145s
Command Line
Signatures
FatalRat
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe" | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
"C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe"
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
"C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe"
C:\Windows\SysWOW64\notepad.exe
notepad.exe
Network
| Country | Destination | Domain | Proto |
| US | 38.181.24.204:80 | 38.181.24.204 | tcp |
| US | 38.181.24.204:8081 | tcp | |
| US | 8.8.8.8:53 | www.taobao.com | udp |
| NL | 47.246.48.232:80 | www.taobao.com | tcp |
| NL | 47.246.48.232:443 | www.taobao.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
Files
memory/2324-59-0x0000000000490000-0x00000000004C2000-memory.dmp
memory/2324-58-0x0000000010000000-0x0000000010031000-memory.dmp
memory/2324-63-0x0000000000570000-0x000000000059A000-memory.dmp
\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\ProgramData\ca221.png
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
C:\ProgramData\ca221.png
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B9M1KBX1\ceshijiqimao[1].bin
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
memory/2312-83-0x00000000005D0000-0x00000000005FA000-memory.dmp
memory/2700-89-0x0000000000160000-0x0000000000161000-memory.dmp
memory/2700-93-0x0000000000270000-0x0000000000271000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-22 07:57
Reported
2023-08-22 08:00
Platform
win10v2004-20230703-en
Max time kernel
143s
Max time network
148s
Command Line
Signatures
FatalRat
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe" | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
"C:\Users\Admin\AppData\Local\Temp\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe"
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
"C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe"
C:\Windows\SysWOW64\notepad.exe
notepad.exe
Network
| Country | Destination | Domain | Proto |
| US | 38.181.24.204:80 | 38.181.24.204 | tcp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 204.24.181.38.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 38.181.24.204:8081 | tcp | |
| US | 8.8.8.8:53 | www.taobao.com | udp |
| NL | 47.246.48.232:80 | www.taobao.com | tcp |
| NL | 47.246.48.232:443 | www.taobao.com | tcp |
| US | 8.8.8.8:53 | 232.48.246.47.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.21.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 226.20.18.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.21.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.173.189.20.in-addr.arpa | udp |
Files
memory/4736-138-0x00000000037E0000-0x0000000003812000-memory.dmp
memory/4736-137-0x0000000010000000-0x0000000010031000-memory.dmp
memory/4736-142-0x0000000003820000-0x000000000384A000-memory.dmp
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b.exe
| MD5 | 33097cfc2b012525d1fbf210a6f37a2f |
| SHA1 | 232c5af5d3578c2999f216bfce9b19098c20f0fe |
| SHA256 | a7616862af8e1b79e9d4a629efad11bbf7b80fc52136612c732212790e07c05b |
| SHA512 | 403717b9c684a2567b502a324b3a5413523aad3f458e6cbd743cbe6ed305ebb533530678f2b44d4c0c2be35a4d3eb4fb3a072c4b6144a65aa490fba0301ba52d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\HW3GGUK8\ceshijiqimao[1].bin
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
C:\ProgramData\ca221.png
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
C:\ProgramData\ca221.png
| MD5 | 6fd1cdf4c712ee59bf684ae7e18c5142 |
| SHA1 | b04b90abfb4f5c87000244b66842d1dfcfc5b63d |
| SHA256 | 50a7d092025b2e62728e33655d13ad28ff10b0863be7f9aef419efff660083dc |
| SHA512 | 2a8eaf3a5e25255e747b2600bbc6afd1d42a88260a446c3dd197cbe62eec1117a512e6d3f24fb8649c02bfdd44c1b05c2ecc36177309a13f9aec1391d12fecd5 |
memory/3724-166-0x0000000003350000-0x000000000337A000-memory.dmp
memory/1984-172-0x0000000004910000-0x0000000004911000-memory.dmp