Analysis
- max time kernel
118s - max time network
119s - platform
windows10_x64 - resource
win10 - submitted
08/10/2020, 12:29
General
- Target AWfxqwWHtpJvgYx.exe
- Size 1.0MB
- Sample201008-4elf2f3mls
- SHA256 f5d3f20a5e7fc84496267536833b84b4dce1c5cc168014215f396490c1430857
Malware Config
Extracted
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Protocol
smtp
-
Host
smtp.yandex.com
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Port
587
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Username
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Password
ayo2018
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\AWfxqwWHtpJvgYx.exe"C:\Users\Admin\AppData\Local\Temp\AWfxqwWHtpJvgYx.exe"1⤵
- 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\NcoJFE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2E6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\AWfxqwWHtpJvgYx.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\AWfxqwWHtpJvgYx.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\AWfxqwWHtpJvgYx.exe"{path}"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- 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/2208-25-0x0000000007F30000-0x0000000007FBD000-memory.dmp
memory/2208-24-0x0000000007310000-0x0000000007349000-memory.dmp
memory/2208-21-0x0000000007170000-0x0000000007171000-memory.dmp
memory/2208-20-0x0000000006940000-0x0000000006941000-memory.dmp
memory/2208-15-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/2208-12-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3828-5-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3828-9-0x000000000DB50000-0x000000000DB51000-memory.dmp
memory/3828-8-0x000000000A690000-0x000000000A765000-memory.dmp
memory/3828-7-0x0000000007C60000-0x0000000007D32000-memory.dmp
memory/3828-6-0x0000000005730000-0x0000000005734000-memory.dmp
memory/3828-0-0x0000000073580000-0x0000000073C6E000-memory.dmp
memory/3828-4-0x0000000005790000-0x0000000005791000-memory.dmp
memory/3828-3-0x0000000005D80000-0x0000000005D81000-memory.dmp
memory/3828-1-0x0000000000DF0000-0x0000000000DF1000-memory.dmp