Analysis
- max time kernel
61s - max time network
123s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:04
Static task
static1
Behavioral task
behavioral1
Sample
Attchments for your informationss.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Attchments for your informationss.exe
Resource
win10v20201028
General
- Target Attchments for your informationss.exe
- Size 386KB
- Sample201109-rd4enahzgn
- SHA256 e03199e7e9bfbe4a80d99b6aeebfcb8d7eacb375600813cba0336d3ffd57922e
- MD5 1da5db9f26393b2ecb76eca2cfd008d1
- SHA1 de7acc5cdb6287d5f27dcd7236fd8490e11dde6a
- SHA512 14e177a20f316b39b9bc2123b2fbe3edb1c678c2d599e2ea713f1114f4d828dfcbd1013d7e6bb73629f2e110fc5eb8bfb2ebe5a64291d5ab72667c21a7b2f705
- MD5 SHA1 SHA512
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Ijeomam288
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
Ijeomam288
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/444-2-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral2/memory/444-3-0x000000000044A01E-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 4692 set thread context of 444 4692 Attchments for your informationss.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 3600 schtasks.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4692 Attchments for your informationss.exe 4692 Attchments for your informationss.exe 4692 Attchments for your informationss.exe 444 Attchments for your informationss.exe 444 Attchments for your informationss.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4692 Attchments for your informationss.exe Token: SeDebugPrivilege 444 Attchments for your informationss.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4692 wrote to memory of 3600 4692 Attchments for your informationss.exe 75 PID 4692 wrote to memory of 3600 4692 Attchments for your informationss.exe 75 PID 4692 wrote to memory of 3600 4692 Attchments for your informationss.exe 75 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77 PID 4692 wrote to memory of 444 4692 Attchments for your informationss.exe 77
Processes
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C:\Users\Admin\AppData\Local\Temp\Attchments for your informationss.exe"C:\Users\Admin\AppData\Local\Temp\Attchments for your informationss.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IrUnpKutV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AAD.tmp"2⤵
- Creates scheduled task(s)
PID:3600
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C:\Users\Admin\AppData\Local\Temp\Attchments for your informationss.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:444
-