Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
22-01-2021 15:01
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
SOA.exe
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Size
569KB
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MD5
1367e39bbc813a591450821d14fcee00
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SHA1
7b256a62cdf9fc4f9f9e01ba7bcd59c0be57f26b
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SHA256
556ed5ff3846f0bd67b9dce457aa749c843a164f644accde3ed5b87851a34abe
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SHA512
30e7e340156e0fe6f75919da9c6e3ea773e7343cbe09bc3be11b8b2f8b1f3272177d8a53a7ace571f8dfc084881d7e637ae6d244afce2f60e0791b3bcf3a7877
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
paola.micheli@copangroup.xyz - Password:
gibson.1990
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1976-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1976-11-0x000000000043761E-mapping.dmp family_agenttesla behavioral1/memory/1976-14-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegAsm.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegAsm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.exedescription pid process target process PID 1864 set thread context of 1976 1864 SOA.exe RegAsm.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 560 1864 WerFault.exe SOA.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
SOA.exeRegAsm.exeWerFault.exepid process 1864 SOA.exe 1864 SOA.exe 1976 RegAsm.exe 1976 RegAsm.exe 560 WerFault.exe 560 WerFault.exe 560 WerFault.exe 560 WerFault.exe 560 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SOA.exeRegAsm.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1864 SOA.exe Token: SeDebugPrivilege 1976 RegAsm.exe Token: SeDebugPrivilege 560 WerFault.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1976 RegAsm.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
SOA.exedescription pid process target process PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2004 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 2028 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 1976 1864 SOA.exe RegAsm.exe PID 1864 wrote to memory of 560 1864 SOA.exe WerFault.exe PID 1864 wrote to memory of 560 1864 SOA.exe WerFault.exe PID 1864 wrote to memory of 560 1864 SOA.exe WerFault.exe PID 1864 wrote to memory of 560 1864 SOA.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 11442⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/560-20-0x0000000000530000-0x0000000000531000-memory.dmpFilesize
4KB
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memory/560-19-0x0000000002410000-0x0000000002421000-memory.dmpFilesize
68KB
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memory/560-18-0x0000000000000000-mapping.dmp
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memory/1864-17-0x0000000000CB0000-0x0000000000CB1000-memory.dmpFilesize
4KB
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memory/1864-3-0x0000000001330000-0x0000000001331000-memory.dmpFilesize
4KB
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memory/1864-5-0x0000000001100000-0x0000000001101000-memory.dmpFilesize
4KB
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memory/1864-6-0x0000000000B20000-0x0000000000B69000-memory.dmpFilesize
292KB
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memory/1864-7-0x0000000001105000-0x0000000001116000-memory.dmpFilesize
68KB
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memory/1864-8-0x0000000000410000-0x000000000041F000-memory.dmpFilesize
60KB
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memory/1864-9-0x0000000001116000-0x0000000001117000-memory.dmpFilesize
4KB
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memory/1864-2-0x00000000743D0000-0x0000000074ABE000-memory.dmpFilesize
6.9MB
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memory/1976-11-0x000000000043761E-mapping.dmp
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memory/1976-16-0x0000000004DE0000-0x0000000004DE1000-memory.dmpFilesize
4KB
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memory/1976-14-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1976-13-0x00000000743D0000-0x0000000074ABE000-memory.dmpFilesize
6.9MB
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memory/1976-12-0x00000000760B1000-0x00000000760B3000-memory.dmpFilesize
8KB
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memory/1976-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1976-21-0x0000000004DE1000-0x0000000004DE2000-memory.dmpFilesize
4KB