Analysis
- max time kernel
132s - max time network
120s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
21/09/2021, 08:53
General
- Target New Order.exe
- Size 888KB
- Sample210921-ktap9sbfbl
- SHA256 ff8feaa003c8f622d0888744ff9896bf2b7c9f5da33ec6448abbbea4d697a609
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.hiramills.com.pk
-
Port
587
-
Username
-
Password
xMFNAQ3p0Oub
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\New Order.exe"C:\Users\Admin\AppData\Local\Temp\New Order.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLZiKNuCGpejr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CAE.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\New Order.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2260-138-0x0000000005930000-0x0000000005931000-memory.dmp
memory/2260-137-0x0000000005480000-0x000000000597E000-memory.dmp
memory/2260-130-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3936-120-0x00000000049D0000-0x00000000049D1000-memory.dmp
memory/3936-124-0x000000007F500000-0x000000007F501000-memory.dmp
memory/3936-125-0x0000000007400000-0x0000000007480000-memory.dmp
memory/3936-126-0x0000000007480000-0x00000000074B8000-memory.dmp
memory/3936-127-0x0000000007540000-0x0000000007541000-memory.dmp
memory/3936-123-0x0000000004C50000-0x0000000004C5E000-memory.dmp
memory/3936-122-0x00000000049B0000-0x0000000004A42000-memory.dmp
memory/3936-121-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/3936-115-0x0000000000040000-0x0000000000041000-memory.dmp
memory/3936-119-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/3936-118-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/3936-117-0x0000000004910000-0x0000000004911000-memory.dmp