Analysis
- max time kernel
113s - max time network
112s - platform
windows10_x64 - resource
win10v20210408 - submitted
14/04/2021, 05:49
General
- Target 訂單（2275875577）樣本.exe
- Size 888KB
- Sample210414-5cttv565vs
- SHA256 fba2e1c3892ab5ad870da43781366524acbef4d4c2ee6364f9854d22ecfab826
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 19 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\訂單（2275875577）樣本.exe"C:\Users\Admin\AppData\Local\Temp\訂單（2275875577）樣本.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\urjxDXnSig" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD439.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 16082⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2840-114-0x0000000000A30000-0x0000000000A31000-memory.dmp
memory/2840-116-0x0000000005300000-0x0000000005301000-memory.dmp
memory/2840-117-0x00000000058A0000-0x00000000058A1000-memory.dmp
memory/2840-118-0x0000000005440000-0x0000000005441000-memory.dmp
memory/2840-119-0x00000000053C0000-0x00000000053C1000-memory.dmp
memory/2840-120-0x0000000005540000-0x0000000005541000-memory.dmp
memory/2840-121-0x00000000053A0000-0x000000000589E000-memory.dmp
memory/2840-122-0x0000000005620000-0x0000000005626000-memory.dmp
memory/2840-123-0x0000000001310000-0x00000000013AB000-memory.dmp
memory/2840-124-0x0000000008550000-0x00000000085AD000-memory.dmp