Analysis
- max time kernel
137s - max time network
141s - platform
windows10_x64 - resource
win10v200430 - submitted
07/07/2020, 05:45
Static task
static1
Behavioral task
behavioral1
Sample
PO-O3465-0001.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
PO-O3465-0001.exe
Resource
win10v200430
General
- Target PO-O3465-0001.exe
- Size 975KB
- Sample200707-87mlhtmls2
- SHA256 6fe2e83b790e28078c73669c1eff1e47bb1f8178d58535f638c5f2f561ff496b
- MD5 ce45ecba9cbb43f9119e0e37d869028d
- SHA1 ae42201cdb5edf87502b81a4feedac7de0dc4ce2
- SHA512 ca82862782029b4580cce8feee4d71a358c2a29da642ebbeae7805527ed347d6473ddcb06fb3e9d948e2b88cd258ccc48c182dc959cf5992f4091e3a84a3304b
- MD5 SHA1 SHA512
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
1234567890Bless#
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
1234567890Bless#
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/2832-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/2832-3-0x0000000000446D6E-mapping.dmp family_agenttesla - 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
description pid Process procid_target PID 3944 set thread context of 2832 3944 PO-O3465-0001.exe 77 - 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.
pid Process 2116 schtasks.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 3944 PO-O3465-0001.exe 2832 PO-O3465-0001.exe 2832 PO-O3465-0001.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3944 PO-O3465-0001.exe Token: SeDebugPrivilege 2832 PO-O3465-0001.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2832 PO-O3465-0001.exe - Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3944 wrote to memory of 2116 3944 PO-O3465-0001.exe 72 PID 3944 wrote to memory of 2116 3944 PO-O3465-0001.exe 72 PID 3944 wrote to memory of 2116 3944 PO-O3465-0001.exe 72 PID 3944 wrote to memory of 2700 3944 PO-O3465-0001.exe 74 PID 3944 wrote to memory of 2700 3944 PO-O3465-0001.exe 74 PID 3944 wrote to memory of 2700 3944 PO-O3465-0001.exe 74 PID 3944 wrote to memory of 2728 3944 PO-O3465-0001.exe 75 PID 3944 wrote to memory of 2728 3944 PO-O3465-0001.exe 75 PID 3944 wrote to memory of 2728 3944 PO-O3465-0001.exe 75 PID 3944 wrote to memory of 2808 3944 PO-O3465-0001.exe 76 PID 3944 wrote to memory of 2808 3944 PO-O3465-0001.exe 76 PID 3944 wrote to memory of 2808 3944 PO-O3465-0001.exe 76 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77 PID 3944 wrote to memory of 2832 3944 PO-O3465-0001.exe 77
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eGJucvKQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E66.tmp"2⤵
- Creates scheduled task(s)
PID:2116
-
-
C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"{path}"2⤵PID:2700
-
-
C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"{path}"2⤵PID:2728
-
-
C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"{path}"2⤵PID:2808
-
-
C:\Users\Admin\AppData\Local\Temp\PO-O3465-0001.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2832
-