Analysis
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max time kernel
130s -
max time network
151s -
resource
win10v191014
Task
task1
Sample
VBS_ed167804673b6f89dc6657e71ae971c4.11.zip
Resource
win7v191014
0 signatures
Task
task2
Sample
VBS_ed167804673b6f89dc6657e71ae971c4.11.zip
Resource
win10v191014
0 signatures
Task
task3
Sample
document4753.vbe.vbs
Resource
win7v191014
0 signatures
Task
task4
Sample
document4753.vbe.vbs
Resource
win10v191014
0 signatures
General
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Target
VBS_ed167804673b6f89dc6657e71ae971c4.11
-
Sample
191122-bc75fsjcb6
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SHA256
3e605855ed4bbc789477d2feddce2781b56d195311e17f753fc65d709b1f2321
Score
N/A
Malware Config
Signatures
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Drops file in system dir 5 IoCs
description ioc pid Process File opened for modification C:\Windows\Debug\ESE.TXT 2600 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 2600 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-1.tmp 2600 svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 2600 svchost.exe File created C:\Windows\ServiceProfiles\LocalService\AppData\Local\FontCache\Fonts\Download-2.tmp 2600 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 3872 svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName 3872 svchost.exe -
description ioc pid Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "0" 3920 svchost.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\cval = "1" 3920 svchost.exe -
Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1580 1976 SppExtComObj.exe 74
Processes
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C:\Windows\Explorer.exeC:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\VBS_ed167804673b6f89dc6657e71ae971c4.11.zip1⤵PID:5000
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding1⤵
- Suspicious use of WriteProcessMemory
PID:1976
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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:1580
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k netsvcs -s BITS1⤵
- Drops file in system dir
PID:2600
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localserviceandnoimpersonation -s SSDPSRV1⤵PID:3640
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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:3872
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k unistacksvcgroup1⤵PID:4120
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localservicenetworkrestricted -s wscsvc1⤵
- Windows security modification
PID:3920
Network
MITRE ATT&CK Enterprise v15
MITRE ATT&CK Additional techniques
- T1089