Analysis
- max time kernel
147s - max time network
146s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/11/2020, 15:23
General
- Target 39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c.exe
- Size 222KB
- Sample201113-37gm8tk9gx
- SHA256 39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c
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\39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c.exe"C:\Users\Admin\AppData\Local\Temp\39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\msclmd32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\msclmd32.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_\msclmd32.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\39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c.exe" && del "C:\Users\Admin\AppData\Local\Temp\39f7ec8176dae9b386844975c0f3c2da28f7187db97fa5b0ed2686f7920fce5c.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_\msclmd32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\msclmd32.exe arguments1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\msclmd32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\msclmd32.exe arguments1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1456-174-0x00007FF942880000-0x00007FF943220000-memory.dmp
memory/3944-177-0x00007FF942880000-0x00007FF943220000-memory.dmp
memory/4284-129-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-136-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-97-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-98-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-99-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-100-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-101-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-102-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-103-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-108-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-107-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-106-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-105-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-104-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-109-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-110-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-111-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-112-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-113-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-114-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-115-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-116-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-117-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-118-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-119-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-120-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-121-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-122-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-123-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-124-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-125-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-126-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-127-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-128-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-95-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-130-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-131-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-132-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-133-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-134-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-135-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-96-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-138-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-139-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-140-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-141-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-142-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-143-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-144-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-137-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-145-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-146-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-147-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-148-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-149-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-150-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-151-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-152-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-153-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-154-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-155-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-156-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-157-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-158-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-159-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-160-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-161-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-162-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-164-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-166-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-167-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-165-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-163-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-168-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-169-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-170-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-171-0x00000000207E0000-0x00000000207FE000-memory.dmp
memory/4284-94-0x0000000020F80000-0x0000000020F81000-memory.dmp
memory/4284-14-0x0000000020C80000-0x0000000020C81000-memory.dmp
memory/4284-10-0x0000000020C80000-0x0000000020C81000-memory.dmp
memory/4284-5-0x00007FF942880000-0x00007FF943220000-memory.dmp
memory/4756-0-0x00007FF942880000-0x00007FF943220000-memory.dmp