Analysis
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max time kernel
120s -
max time network
119s -
resource
win10v191014
Task
task1
Sample
b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa.exe
Resource
win7v191014
0 signatures
Task
task2
Sample
b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa.exe
Resource
win10v191014
0 signatures
General
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Target
b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa
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Sample
191025-vkbdvq17bj
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SHA256
b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa
Score
N/A
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 1 IoCs
Processes:
SppExtComObj.exedescription pid process target process PID 5088 wrote to memory of 5116 5088 SppExtComObj.exe SLUI.exe -
Modifies service 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc pid process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\BITS\Performance\PerfMMFileName = "Global\\MMF_BITSd03d0f60-48d7-4c06-b8f8-4ee1314c4b7d" 4520 svchost.exe -
Drops file in system dir 5 IoCs
Processes:
svchost.exedescription ioc pid process File opened for modification C:\Windows\Debug\ESE.TXT 4520 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 4520 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 4520 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 4520 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 4520 svchost.exe -
Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc pid process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer 4708 svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName 4708 svchost.exe -
Processes:
svchost.exedescription ioc pid process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "0" 3864 svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "1" 3864 svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa.exe"C:\Users\Admin\AppData\Local\Temp\b2ae04f78a4e171f14b8205b21325390cd17d20c950b668e0c56559858f8f8aa.exe"1⤵PID:4936
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:5088
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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:5116
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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:4520
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV1⤵PID:3664
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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:4708
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup1⤵PID:4692
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc1⤵
- Windows security modification
PID:3864
Network
MITRE ATT&CK Enterprise v15
MITRE ATT&CK Additional techniques
- T1031
- T1089
Replay Monitor
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Downloads
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memory/4936-0-0x000000000513B000-0x000000000517C000-memory.dmpFilesize
260KB
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memory/4936-1-0x0000000006D00000-0x0000000006D01000-memory.dmpFilesize
4KB
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memory/4936-2-0x00000000051BE000-0x00000000051D8000-memory.dmpFilesize
104KB
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memory/4936-3-0x0000000006E20000-0x0000000006E21000-memory.dmpFilesize
4KB