Analysis
-
max time kernel
109s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:11
Static task
static1
Behavioral task
behavioral1
Sample
long overdue statement (3).exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
long overdue statement (3).exe
Resource
win10v2004-20220414-en
General
-
Target
long overdue statement (3).exe
-
Size
401KB
-
MD5
f2f2039a030460a562bd6fd7129775af
-
SHA1
cd6724348219200752f3e06da09556e690e1abef
-
SHA256
12b8f1b224e66e7fcae47229c008f04c435cbc98dff24c4a4092a80f26b67924
-
SHA512
e3f6fdb31858ecf6e72b6a5979767472163994f706ca7951a22f0be20f630a01ec10f37f1c336a1520089621029bcfdc8ae9d70e7dbba03fbea3c0cb09476165
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.saamaygroup.com - Port:
587 - Username:
[email protected] - Password:
pawan100
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3528-136-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
RegSvcs.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
long overdue statement (3).exedescription pid process target process PID 4900 set thread context of 3528 4900 long overdue statement (3).exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 3528 RegSvcs.exe 3528 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 3528 RegSvcs.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
long overdue statement (3).exeRegSvcs.exedescription pid process target process PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 4900 wrote to memory of 3528 4900 long overdue statement (3).exe RegSvcs.exe PID 3528 wrote to memory of 3232 3528 RegSvcs.exe REG.exe PID 3528 wrote to memory of 3232 3528 RegSvcs.exe REG.exe PID 3528 wrote to memory of 3232 3528 RegSvcs.exe REG.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\long overdue statement (3).exe"C:\Users\Admin\AppData\Local\Temp\long overdue statement (3).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/3232-139-0x0000000000000000-mapping.dmp
-
memory/3528-135-0x0000000000000000-mapping.dmp
-
memory/3528-136-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
-
memory/3528-137-0x0000000006410000-0x0000000006476000-memory.dmpFilesize
408KB
-
memory/3528-138-0x0000000006B10000-0x0000000006B60000-memory.dmpFilesize
320KB
-
memory/4900-130-0x0000000000080000-0x00000000000EA000-memory.dmpFilesize
424KB
-
memory/4900-131-0x0000000005130000-0x00000000056D4000-memory.dmpFilesize
5.6MB
-
memory/4900-132-0x0000000004AA0000-0x0000000004B32000-memory.dmpFilesize
584KB
-
memory/4900-133-0x0000000002740000-0x000000000274A000-memory.dmpFilesize
40KB
-
memory/4900-134-0x0000000008C90000-0x0000000008D2C000-memory.dmpFilesize
624KB