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Analysis
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max time kernel
150s -
max time network
96s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
09/07/2020, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
Re Nanjing Yushan PO and Invoice_______________.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Re Nanjing Yushan PO and Invoice_______________.exe
Resource
win10
General
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Target
Re Nanjing Yushan PO and Invoice_______________.exe
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Size
693KB
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MD5
c526de0ef069e08b79e6c09f8c30d098
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SHA1
cf0bbbd2b09b2e6bd499866d94be323872246510
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SHA256
4768c50fe2b58f069e4e67d0045392c11bfb291ac663bb8476a0e8c977387e00
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SHA512
e6662265066761fbb0a0569edd58a26665507055c5368207c26e03a71c34048b70dc8121e7741c723f41ee816147b076adbe17fab9ce82e0a7258db4d8d84be6
Malware Config
Signatures
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1740 Re Nanjing Yushan PO and Invoice_______________.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1740 Re Nanjing Yushan PO and Invoice_______________.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1296 wrote to memory of 1336 1296 Re Nanjing Yushan PO and Invoice_______________.exe 26 PID 1296 wrote to memory of 1336 1296 Re Nanjing Yushan PO and Invoice_______________.exe 26 PID 1296 wrote to memory of 1336 1296 Re Nanjing Yushan PO and Invoice_______________.exe 26 PID 1296 wrote to memory of 1336 1296 Re Nanjing Yushan PO and Invoice_______________.exe 26 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 PID 1296 wrote to memory of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1296 set thread context of 1740 1296 Re Nanjing Yushan PO and Invoice_______________.exe 28 -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1740 Re Nanjing Yushan PO and Invoice_______________.exe 1740 Re Nanjing Yushan PO and Invoice_______________.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1336 schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Re Nanjing Yushan PO and Invoice_______________.exe"C:\Users\Admin\AppData\Local\Temp\Re Nanjing Yushan PO and Invoice_______________.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:1296 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SqWORxGznTIG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B9A.tmp"2⤵
- Creates scheduled task(s)
PID:1336
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C:\Users\Admin\AppData\Local\Temp\Re Nanjing Yushan PO and Invoice_______________.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
PID:1740
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