Analysis
- max time kernel
129s - max time network
137s - platform
windows7_x64 - resource
win7 - submitted
10/07/2020, 05:34
Static task
static1
Behavioral task
behavioral1
Sample
2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe
Resource
win10
General
- Target 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe
- Size 496KB
- Sample200710-6sevj1eccx
- SHA256 cd9532fea4c331fed21dd929be9a963c50662e545e38a63fcae56cf13199fead
- MD5 59af638ffef55d24bf6610b29a73e4d4
- SHA1 44a65852f8e75c65ac8063be0bf17cad1f5510f2
- SHA512 d7cc1aeb6e9627e7376ac021c4e2139589ee93859c128b0d9e24247eec8154b94ff9fe80a58493e079d0ae8a60c6fc469f753e611954fd4a83f3be6f4c9c46fb
- MD5 SHA1 SHA512
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
server03.imanila.ph
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Port
587
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Username
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Password
sMh8K&LwfD2n
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1912-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1912-5-0x000000000044720E-mapping.dmp family_agenttesla behavioral1/memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1912-7-0x0000000000400000-0x000000000044C000-memory.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 1688 set thread context of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 - 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 1872 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 1912 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 1912 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe Token: SeDebugPrivilege 1912 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1912 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1688 wrote to memory of 1872 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 24 PID 1688 wrote to memory of 1872 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 24 PID 1688 wrote to memory of 1872 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 24 PID 1688 wrote to memory of 1872 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 24 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26 PID 1688 wrote to memory of 1912 1688 2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe"C:\Users\Admin\AppData\Local\Temp\2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yaYQfLVzs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC45.tmp"2⤵
- Creates scheduled task(s)
PID:1872
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C:\Users\Admin\AppData\Local\Temp\2598_MSC_ NEW_ORDER13_11_2020_LE_,pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1912
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