Analysis
- max time kernel
82s - max time network
142s - platform
windows10_x64 - resource
win10v20201028 - submitted
11/02/2021, 10:05
General
- Target 回复PO残跟踪状况-20210211_pdf.exe
- Size 487KB
- Sample210211-tbksbjbc76
- SHA256 fa0c59c6418d5bc0a4efc4a543c49b5e6e1a92f5ecf1ffbceadc6cc9bdf0b63b
Malware Config
Signatures
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 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: EnumeratesProcesses 16 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\回复PO残跟踪状况-20210211_pdf.exe"C:\Users\Admin\AppData\Local\Temp\回复PO残跟踪状况-20210211_pdf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GVUjzAuEQy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78AB.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4704 -s 16162⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4092-15-0x00000000048B0000-0x00000000048B1000-memory.dmp
memory/4704-9-0x0000000004AD0000-0x0000000004AD1000-memory.dmp
memory/4704-7-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
memory/4704-8-0x0000000004A90000-0x0000000004A91000-memory.dmp
memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp
memory/4704-10-0x0000000004D90000-0x0000000004D91000-memory.dmp
memory/4704-11-0x0000000005020000-0x0000000005024000-memory.dmp
memory/4704-12-0x0000000000AC0000-0x0000000000B15000-memory.dmp
memory/4704-6-0x0000000005170000-0x0000000005171000-memory.dmp
memory/4704-5-0x0000000004B10000-0x0000000004B11000-memory.dmp
memory/4704-3-0x0000000000240000-0x0000000000241000-memory.dmp