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Analysis
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max time kernel
146s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
13/05/2024, 16:49
Static task
static1
Behavioral task
behavioral1
Sample
emsO.exe
Resource
win7-20240220-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
emsO.exe
Resource
win10v2004-20240226-en
6 signatures
150 seconds
General
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Target
emsO.exe
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Size
884KB
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MD5
c47a7fef0ab6068c68877022965dc13d
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SHA1
468d6112130fc9b58092db88611d2ad53cb33a06
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SHA256
831f2c4f9ffdcd8a730f72abd1b8a2a716eded13ef33876ed6f704d09027033d
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SHA512
f2e7d82f30b359b7d55f99c1fcd5a5680376e3c26b9b10b74f5ee6789480d7f4ab3586d62a85d446db9ba019528b77c4069765ea258c3f2df742f974c07a6d03
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SSDEEP
12288:fChkTeH81jJUS5ZsNXTkuF/bbXEQoR1aWX9MbGU6qG/ux5VWYcvyE1tHiwSQYiMo:I8MS5ETzbb6trU6x/ux5VWYcj3
Score
5/10
Malware Config
Signatures
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Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 5080 set thread context of 1920 5080 emsO.exe 95 PID 1920 set thread context of 3364 1920 emsO.exe 57 PID 1920 set thread context of 2908 1920 emsO.exe 100 -
description ioc Process Key created \Registry\User\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 unlodctr.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 5080 emsO.exe 5080 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe 1920 emsO.exe -
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 1920 emsO.exe 3364 Explorer.EXE 3364 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5080 emsO.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 5080 wrote to memory of 1920 5080 emsO.exe 95 PID 3364 wrote to memory of 2908 3364 Explorer.EXE 100 PID 3364 wrote to memory of 2908 3364 Explorer.EXE 100 PID 3364 wrote to memory of 2908 3364 Explorer.EXE 100
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3364 -
C:\Users\Admin\AppData\Local\Temp\emsO.exe"C:\Users\Admin\AppData\Local\Temp\emsO.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\emsO.exe"C:\Users\Admin\AppData\Local\Temp\emsO.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1920
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C:\Windows\SysWOW64\unlodctr.exe"C:\Windows\SysWOW64\unlodctr.exe"2⤵
- Modifies Internet Explorer settings
PID:2908 -
C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵PID:628
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:81⤵PID:3952