Analysis
- max time kernel
148s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
10/11/2020, 11:00
General
- Target 1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117.exe
- Size 221KB
- Sample201110-9mcf7npgf6
- SHA256 1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Modifies service 2 TTPs 26 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 101 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117.exe"C:\Users\Admin\AppData\Local\Temp\1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies service
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exe\" arguments" /sc MINUTE /mo 13⤵
- Creates scheduled task(s)
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117.exe" && del "C:\Users\Admin\AppData\Local\Temp\1a9b159c9210f631ce9963a5ad26bcb33f15bb0bbd3a17d080f41f8c7f294117.exe.config"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exe arguments1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\WorkfoldersControl32.exe arguments1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/756-0-0x00007FFFD2720000-0x00007FFFD30C0000-memory.dmp
memory/2408-98-0x00007FFFD2720000-0x00007FFFD30C0000-memory.dmp
memory/3996-71-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-63-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-23-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-25-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-32-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-37-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-41-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-46-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-48-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-52-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-53-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-56-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-55-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-62-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-67-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-72-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-78-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-83-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-86-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-85-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-88-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-92-0x0000000020A20000-0x0000000020A21000-memory.dmp
memory/3996-87-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-93-0x0000000020D20000-0x0000000020D21000-memory.dmp
memory/3996-84-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-82-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-81-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-79-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-80-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-77-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-76-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-75-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-74-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-73-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-13-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-70-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-69-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-68-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-66-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-65-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-64-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-17-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-61-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-60-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-59-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-58-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-57-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-54-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-51-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-50-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-49-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-47-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-45-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-44-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-43-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-42-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-40-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-39-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-38-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-36-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-35-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-34-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-33-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-31-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-30-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-29-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-28-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-27-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-26-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-24-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-22-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-21-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-20-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-19-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-18-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-16-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-15-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-14-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-12-0x0000000020370000-0x000000002038E000-memory.dmp
memory/3996-11-0x0000000020A20000-0x0000000020A21000-memory.dmp
memory/3996-5-0x00007FFFD2720000-0x00007FFFD30C0000-memory.dmp
memory/4060-95-0x00007FFFD2720000-0x00007FFFD30C0000-memory.dmp