Analysis
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max time kernel
131s -
max time network
150s -
resource
win10v191014
Task
task1
Sample
59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d.exe
Resource
win7v191014
0 signatures
Task
task2
Sample
59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d.exe
Resource
win10v191014
0 signatures
General
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Target
59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d
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Sample
191025-3a5e1pmfkx
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SHA256
59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d
Score
N/A
Malware Config
Signatures
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Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5056 InternalAHK.exe -
Modifies service 2 TTPs 1 IoCs
description ioc pid Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\BITS\Performance\PerfMMFileName = "Global\\MMF_BITSacf91632-fc89-4ebb-8e2d-67396a47bee8" 4540 svchost.exe -
Drops file in system dir 5 IoCs
description ioc pid Process File opened for modification C:\Windows\Debug\ESE.TXT 4540 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 4540 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 4540 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 4540 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 4540 svchost.exe -
Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
description ioc pid Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer 4264 svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName 4264 svchost.exe -
description ioc pid Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "0" 4868 svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "1" 4868 svchost.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4956 wrote to memory of 5056 4956 59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d.exe 72 PID 300 wrote to memory of 2028 300 SppExtComObj.exe 75 -
Executes dropped EXE 1 IoCs
pid Process 5056 InternalAHK.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d.exe"C:\Users\Admin\AppData\Local\Temp\59770ba956ec114265909d9fe97546052c7c7c322e58228e3de2341629ff3c5d.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4956
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C:\Users\Admin\AppData\Local\Temp\7zS9F9B.tmp\InternalAHK.exe.\InternalAHK.exe /CP65001 $SETUP1⤵
- Suspicious use of SetWindowsHookEx
- Executes dropped EXE
PID:5056
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:300
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C:\Windows\System32\SLUI.exe"C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent1⤵PID:2028
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s BITS1⤵
- Modifies service
- Drops file in system dir
PID:4540
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV1⤵PID:4248
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s DoSvc1⤵
- Checks system information in the registry (likely anti-VM)
PID:4264
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup1⤵PID:2932
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc1⤵
- Windows security modification
PID:4868
Network
MITRE ATT&CK Enterprise v15
MITRE ATT&CK Additional techniques
- T1031
- T1089