Analysis
- max time kernel
137s - max time network
140s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:50
Static task
static1
Behavioral task
behavioral1
Sample
letter of intent.pdf.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
letter of intent.pdf.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target letter of intent.pdf.exe
- Size 473KB
- Sample201109-cxthc5vv1x
- SHA256 9ac41e398d66b8dbd2fe35e5fdfa340d426f8e4b2fe35de7c338c10290b68429
- MD5 80d2a2bad8322cc65001d19b4203f61b
- SHA1 c1f2ea89b8e99b8348bb8c9e6891d8071d865ac2
- SHA512 f36f1e3284b7d1ccbfb9a690d03a8298de0600234d6d37e465c92ff6e56b0893404ab9c9697656587796c74e979d651da861dd39823bfd9431a2460f0e15d0fd
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Credentials
-
Protocol
smtp
-
Host
mail.oilexindia.com
-
Port
587
-
Username
-
Password
Kamal@2019
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.oilexindia.com
-
Port
587
-
Username
-
Password
Kamal@2019
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/504-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/504-3-0x000000000044CD5E-mapping.dmp family_agenttesla - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 640 set thread context of 504 640 letter of intent.pdf.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 3980 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 504 RegSvcs.exe 504 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 504 RegSvcs.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 640 wrote to memory of 3980 640 letter of intent.pdf.exe 75 PID 640 wrote to memory of 3980 640 letter of intent.pdf.exe 75 PID 640 wrote to memory of 3980 640 letter of intent.pdf.exe 75 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 640 wrote to memory of 504 640 letter of intent.pdf.exe 77 PID 504 wrote to memory of 3348 504 RegSvcs.exe 81 PID 504 wrote to memory of 3348 504 RegSvcs.exe 81 PID 504 wrote to memory of 3348 504 RegSvcs.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\letter of intent.pdf.exe"C:\Users\Admin\AppData\Local\Temp\letter of intent.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LTUnvLvv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA36A.tmp"2⤵
- Creates scheduled task(s)
PID:3980
-
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:504 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:3348
-
-