Analysis
-
max time kernel
141s -
max time network
45s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:37
Static task
static1
Behavioral task
behavioral1
Sample
SOA.PDF.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
SOA.PDF.exe
Resource
win10v2004-20220414-en
General
-
Target
SOA.PDF.exe
-
Size
385KB
-
MD5
a08a2bda9c51b2d5ca1e38435629cacc
-
SHA1
46107a6be4613e6c2d1f9e08af63de089417ea10
-
SHA256
6f4d9739f62d219787f6de178ab8f5fb29f317cac258c567d8d51cddea7aa4ac
-
SHA512
d3be87d66877a4cf71f2edccd0863c180630b979214c40170fa5585a878f5ea32efa2c10fbd7f6129362b672230978af32f9618cd71a69be3f087f3b56aaf411
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.microtechlab.in - Port:
587 - Username:
reports@microtechlab.in - Password:
pune@123
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1976-63-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1976-64-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1976-65-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1976-66-0x000000000044CF5E-mapping.dmp family_agenttesla behavioral1/memory/1976-68-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1976-70-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/1380-56-0x0000000004C50000-0x0000000004CA8000-memory.dmp rezer0 -
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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.PDF.exedescription pid process target process PID 1380 set thread context of 1976 1380 SOA.PDF.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Modifies registry key 1 TTPs 1 IoCs
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
SOA.PDF.exeRegSvcs.exepid process 1380 SOA.PDF.exe 1380 SOA.PDF.exe 1976 RegSvcs.exe 1976 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
SOA.PDF.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1380 SOA.PDF.exe Token: SeDebugPrivilege 1976 RegSvcs.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
SOA.PDF.exeRegSvcs.exedescription pid process target process PID 1380 wrote to memory of 1708 1380 SOA.PDF.exe schtasks.exe PID 1380 wrote to memory of 1708 1380 SOA.PDF.exe schtasks.exe PID 1380 wrote to memory of 1708 1380 SOA.PDF.exe schtasks.exe PID 1380 wrote to memory of 1708 1380 SOA.PDF.exe schtasks.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1724 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 2020 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1380 wrote to memory of 1976 1380 SOA.PDF.exe RegSvcs.exe PID 1976 wrote to memory of 820 1976 RegSvcs.exe REG.exe PID 1976 wrote to memory of 820 1976 RegSvcs.exe REG.exe PID 1976 wrote to memory of 820 1976 RegSvcs.exe REG.exe PID 1976 wrote to memory of 820 1976 RegSvcs.exe REG.exe PID 1976 wrote to memory of 1044 1976 RegSvcs.exe netsh.exe PID 1976 wrote to memory of 1044 1976 RegSvcs.exe netsh.exe PID 1976 wrote to memory of 1044 1976 RegSvcs.exe netsh.exe PID 1976 wrote to memory of 1044 1976 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.PDF.exe"C:\Users\Admin\AppData\Local\Temp\SOA.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uWSnfNAErz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80B5.tmp"2⤵
- Creates scheduled task(s)
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
-
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
-
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\tmp80B5.tmpFilesize
1KB
MD5ffbac23d23abfdb51f72c44153ee5897
SHA12a556e0fb00f9d85ad551dec20530d30c2b2d21c
SHA25624aab28d71cb147619a50a5a92dd2496e21ebbcc43fa8bc1f1dce292ef5ec6f1
SHA512ccd579be521b70098018c50cae1b8317e173faea4b166d0bd6834332271c06679eac13e07011fa8bc46591b1db0fc6338914356d36789e43a80bee5ec164fc92
-
memory/820-72-0x0000000000000000-mapping.dmp
-
memory/1044-73-0x0000000000000000-mapping.dmp
-
memory/1380-54-0x0000000000A20000-0x0000000000A86000-memory.dmpFilesize
408KB
-
memory/1380-55-0x00000000003B0000-0x00000000003B8000-memory.dmpFilesize
32KB
-
memory/1380-56-0x0000000004C50000-0x0000000004CA8000-memory.dmpFilesize
352KB
-
memory/1380-57-0x0000000076C81000-0x0000000076C83000-memory.dmpFilesize
8KB
-
memory/1708-58-0x0000000000000000-mapping.dmp
-
memory/1976-63-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-64-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-65-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-66-0x000000000044CF5E-mapping.dmp
-
memory/1976-68-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-70-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-61-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/1976-60-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB