Analysis
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max time kernel
111s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
19-06-2022 17:56
Static task
static1
Behavioral task
behavioral1
Sample
grace.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
grace.exe
Resource
win10v2004-20220414-en
General
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Target
grace.exe
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Size
750KB
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MD5
dd45870570b5eeabe6ecec62a093fced
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SHA1
c6364fe561cd82f0ac20d6beb23655b188c7d2f4
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SHA256
8cdc238ef7df045b66f34ff099f05f4bbf42a6d262b0f3cf6a224a2ea95f4505
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SHA512
3ede737c03ee4f2d67e30390726ad6359842a6aa59e6e8d9c56d89fd0bb45e865162fcbcfc41a78c2da56325d8fa88156c32ddc1f592eac78b3ee7199db43dbc
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 15 IoCs
Processes:
resource yara_rule behavioral1/memory/1108-58-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-63-0x00000000000D669E-mapping.dmp family_agenttesla behavioral1/memory/1108-65-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-64-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-68-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-69-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-70-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-71-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-73-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-75-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-76-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-79-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-81-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-82-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla behavioral1/memory/1108-84-0x0000000000090000-0x00000000000DC000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1948-55-0x00000000013C0000-0x0000000001562000-memory.dmp upx behavioral1/memory/1948-66-0x00000000013C0000-0x0000000001562000-memory.dmp upx -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.amazonaws.com -
AutoIT Executable 2 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/memory/1948-55-0x00000000013C0000-0x0000000001562000-memory.dmp autoit_exe behavioral1/memory/1948-66-0x00000000013C0000-0x0000000001562000-memory.dmp autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
grace.exedescription pid process target process PID 1948 set thread context of 1108 1948 grace.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 1108 RegAsm.exe 1108 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 1108 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
grace.exepid process 1948 grace.exe 1948 grace.exe 1948 grace.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
grace.exepid process 1948 grace.exe 1948 grace.exe 1948 grace.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegAsm.exepid process 1108 RegAsm.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
grace.exedescription pid process target process PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe PID 1948 wrote to memory of 1108 1948 grace.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\grace.exe"C:\Users\Admin\AppData\Local\Temp\grace.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1108-70-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-63-0x00000000000D669E-mapping.dmp
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memory/1108-86-0x0000000074650000-0x0000000074BFB000-memory.dmpFilesize
5.7MB
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memory/1108-73-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-71-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-65-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-64-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-85-0x0000000074650000-0x0000000074BFB000-memory.dmpFilesize
5.7MB
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memory/1108-68-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-69-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-56-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-84-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-58-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-75-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-76-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-79-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-81-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1108-82-0x0000000000090000-0x00000000000DC000-memory.dmpFilesize
304KB
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memory/1948-55-0x00000000013C0000-0x0000000001562000-memory.dmpFilesize
1.6MB
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memory/1948-66-0x00000000013C0000-0x0000000001562000-memory.dmpFilesize
1.6MB
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memory/1948-54-0x0000000076721000-0x0000000076723000-memory.dmpFilesize
8KB