Analysis
-
max time kernel
90s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:24
Static task
static1
Behavioral task
behavioral1
Sample
PURCHASE ORDER KALI-1374W.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
PURCHASE ORDER KALI-1374W.exe
Resource
win10v2004-20220414-en
General
-
Target
PURCHASE ORDER KALI-1374W.exe
-
Size
492KB
-
MD5
8d51581d38bf6d814eeb107d8bb7056c
-
SHA1
cf22a586b7a298ab0032b20695902d43673d9c17
-
SHA256
1ab6018047531cee5f411099f396fb8fcdf2c8c20062e9c33118726265ccd5fb
-
SHA512
54588360eda1bd70c2b8da73297676d9bcbb6db0c56c49fa442308b7fdb1b2429586d9c7db5ccdcd23afc2d39fd5d2e40382faebbbe738ebdf363f13cd1cd563
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pptoursperu.com - Port:
587 - Username:
[email protected] - Password:
mailppt2019-
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3168-136-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Disables Task Manager via registry modification
-
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 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
PURCHASE ORDER KALI-1374W.exedescription pid process target process PID 324 set thread context of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3572 3168 WerFault.exe RegSvcs.exe -
Modifies registry key 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 3168 RegSvcs.exe 3168 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 3168 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
PURCHASE ORDER KALI-1374W.exeRegSvcs.exedescription pid process target process PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 324 wrote to memory of 3168 324 PURCHASE ORDER KALI-1374W.exe RegSvcs.exe PID 3168 wrote to memory of 4328 3168 RegSvcs.exe REG.exe PID 3168 wrote to memory of 4328 3168 RegSvcs.exe REG.exe PID 3168 wrote to memory of 4328 3168 RegSvcs.exe REG.exe PID 3168 wrote to memory of 640 3168 RegSvcs.exe netsh.exe PID 3168 wrote to memory of 640 3168 RegSvcs.exe netsh.exe PID 3168 wrote to memory of 640 3168 RegSvcs.exe netsh.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\PURCHASE ORDER KALI-1374W.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER KALI-1374W.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
- 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
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 15643⤵
- Program crash
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3168 -ip 31681⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/324-130-0x0000000000450000-0x00000000004D2000-memory.dmpFilesize
520KB
-
memory/324-131-0x00000000053B0000-0x0000000005954000-memory.dmpFilesize
5.6MB
-
memory/324-132-0x0000000004EA0000-0x0000000004F32000-memory.dmpFilesize
584KB
-
memory/324-133-0x0000000004E90000-0x0000000004E9A000-memory.dmpFilesize
40KB
-
memory/324-134-0x0000000008EA0000-0x0000000008F3C000-memory.dmpFilesize
624KB
-
memory/640-140-0x0000000000000000-mapping.dmp
-
memory/3168-135-0x0000000000000000-mapping.dmp
-
memory/3168-136-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
-
memory/3168-137-0x0000000005960000-0x00000000059C6000-memory.dmpFilesize
408KB
-
memory/3168-139-0x00000000068D0000-0x0000000006920000-memory.dmpFilesize
320KB
-
memory/4328-138-0x0000000000000000-mapping.dmp