Analysis
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max time kernel
144s -
max time network
142s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-12-2020 14:16
Static task
static1
Behavioral task
behavioral1
Sample
PAYMENT ADVICE.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PAYMENT ADVICE.exe
Resource
win10v20201028
General
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Target
PAYMENT ADVICE.exe
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Size
732KB
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MD5
d50d182e6194cbed4154764d259fd27d
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SHA1
87266992f93abdf25943916869b99074266600ef
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SHA256
c0b7a61af074ad5fc632939be669c133ba351162d40b97db686253ce43dbd8ca
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SHA512
d039f8a6bcaa3324e6ab7d8a2e69e95fcc4b032ea6995226e90520a57325e867cd9504ab40f34ff5536473315b7949681f2f6374ab31f0601064edd05b8f2511
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
PfV^BQW2
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1092-7-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1092-8-0x00000000004375DE-mapping.dmp family_agenttesla behavioral1/memory/1092-9-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1092-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MSBuild.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\GmlVNG = "C:\\Users\\Admin\\AppData\\Roaming\\GmlVNG\\GmlVNG.exe" MSBuild.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PAYMENT ADVICE.exedescription pid process target process PID 1640 set thread context of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
PAYMENT ADVICE.exeMSBuild.exepid process 1640 PAYMENT ADVICE.exe 1092 MSBuild.exe 1092 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PAYMENT ADVICE.exeMSBuild.exedescription pid process Token: SeDebugPrivilege 1640 PAYMENT ADVICE.exe Token: SeDebugPrivilege 1092 MSBuild.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 1092 MSBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
PAYMENT ADVICE.exedescription pid process target process PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe PID 1640 wrote to memory of 1092 1640 PAYMENT ADVICE.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT ADVICE.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\MSBuild.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1092-7-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1092-8-0x00000000004375DE-mapping.dmp
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memory/1092-9-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1092-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1092-11-0x00000000745C0000-0x0000000074CAE000-memory.dmpFilesize
6.9MB
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memory/1640-2-0x00000000745C0000-0x0000000074CAE000-memory.dmpFilesize
6.9MB
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memory/1640-3-0x0000000000200000-0x0000000000201000-memory.dmpFilesize
4KB
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memory/1640-5-0x0000000000600000-0x000000000060E000-memory.dmpFilesize
56KB
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memory/1640-6-0x0000000004EA0000-0x0000000004F08000-memory.dmpFilesize
416KB