Analysis
-
max time kernel
71s -
max time network
18s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
09-11-2020 19:37
Behavioral task
behavioral1
Sample
0080900000000000004.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
0080900000000000004.exe
Resource
win10v20201028
General
-
Target
0080900000000000004.exe
-
Size
508KB
-
MD5
697e07591d78360f5544a6d5d6f7cf65
-
SHA1
6462fa2d20234ebe218d43126d0b3e0d407e868c
-
SHA256
9af31d18ef5af8d20ed75f9cc76185d119990e2adea7748c16562359a1dc3d5d
-
SHA512
484e69510061cd2a6a9b7188de95c2b0c8c421f09a342ae505f671aa59f08f733fbf695c3e7af390b8357be5ff678e5472ec4755ab0f63a8c7e36806d5881948
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ionos.mx - Port:
587 - Username:
lety@solar-pro.mx - Password:
lp475869
Signatures
-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
-
CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/1004-4-0x0000000000560000-0x0000000000563000-memory.dmp coreentity -
AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2044-8-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2044-9-0x000000000044C9EE-mapping.dmp family_agenttesla behavioral1/memory/2044-10-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/2044-11-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Processes:
resource yara_rule behavioral1/memory/1004-5-0x0000000007290000-0x00000000072E3000-memory.dmp rezer0 -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
0080900000000000004.exedescription pid process target process PID 1004 set thread context of 2044 1004 0080900000000000004.exe 0080900000000000004.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.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
0080900000000000004.exepid process 2044 0080900000000000004.exe 2044 0080900000000000004.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
0080900000000000004.exe0080900000000000004.exedescription pid process Token: SeDebugPrivilege 1004 0080900000000000004.exe Token: SeDebugPrivilege 2044 0080900000000000004.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
0080900000000000004.exepid process 1004 0080900000000000004.exe 1004 0080900000000000004.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
0080900000000000004.exe0080900000000000004.exedescription pid process target process PID 1004 wrote to memory of 1940 1004 0080900000000000004.exe schtasks.exe PID 1004 wrote to memory of 1940 1004 0080900000000000004.exe schtasks.exe PID 1004 wrote to memory of 1940 1004 0080900000000000004.exe schtasks.exe PID 1004 wrote to memory of 1940 1004 0080900000000000004.exe schtasks.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 1004 wrote to memory of 2044 1004 0080900000000000004.exe 0080900000000000004.exe PID 2044 wrote to memory of 1824 2044 0080900000000000004.exe netsh.exe PID 2044 wrote to memory of 1824 2044 0080900000000000004.exe netsh.exe PID 2044 wrote to memory of 1824 2044 0080900000000000004.exe netsh.exe PID 2044 wrote to memory of 1824 2044 0080900000000000004.exe netsh.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LsoUSx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp561C.tmp"2⤵
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Local\Temp\0080900000000000004.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\tmp561C.tmpMD5
b62d69fbede68916cbca6dc495030b6f
SHA167e2dd36210daf7b3bf34e6e8e2194968c403f02
SHA2562d43568e9c62eaaf995e9cbf3b5bac177ea7f7e04a88f83ab75278cc62b281fb
SHA512bdab864ed91d2a27193c0611678ee381ae3fb228aa4ccaf2694315e97121d64e2f58905ea842e43a63a8b1c687b122016f3768d7d8743daa3af73b10a0e8a7c9
-
memory/1004-4-0x0000000000560000-0x0000000000563000-memory.dmpFilesize
12KB
-
memory/1004-0-0x00000000741E0000-0x00000000748CE000-memory.dmpFilesize
6.9MB
-
memory/1004-5-0x0000000007290000-0x00000000072E3000-memory.dmpFilesize
332KB
-
memory/1004-1-0x0000000001040000-0x0000000001041000-memory.dmpFilesize
4KB
-
memory/1408-3-0x000007FEF7160000-0x000007FEF73DA000-memory.dmpFilesize
2.5MB
-
memory/1824-15-0x0000000000000000-mapping.dmp
-
memory/1940-6-0x0000000000000000-mapping.dmp
-
memory/2044-8-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/2044-9-0x000000000044C9EE-mapping.dmp
-
memory/2044-10-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/2044-11-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
-
memory/2044-12-0x00000000741E0000-0x00000000748CE000-memory.dmpFilesize
6.9MB