Analysis
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max time kernel
153s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12-03-2024 01:25
Static task
static1
Behavioral task
behavioral1
Sample
b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe
Resource
win10v2004-20240226-en
General
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Target
b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe
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Size
81KB
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MD5
c6e5a834101d924e9f08f474cad5df06
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SHA1
4f64048e91b13ea2f31ae7b5f0b558f81257020d
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SHA256
b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b
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SHA512
e2dc6efa3e91d5c304c2999a695ffea0e8ae384889c75e6351788f934c83f87bcd887680623fbe5f5b259d8deedda4643debc5896bab8758a18189e4711ad661
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SSDEEP
1536:0M0yNStPY+z0mHkGDcfcQfNWbh8UH9SZ47Qn/aKPg3y:tylY+zlDcfceeH9SZ4uau
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2416 olacweegim.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 59 checkip.dyndns.org -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1600 wrote to memory of 2416 1600 b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe 98 PID 1600 wrote to memory of 2416 1600 b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe 98 PID 1600 wrote to memory of 2416 1600 b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe"C:\Users\Admin\AppData\Local\Temp\b7d42b692e80bd7d905e8cd02049cac89c4424d09d2d606c542b63649f870f8b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\Temp\olacweegim.exeC:\Users\Admin\AppData\Local\Temp\olacweegim.exe2⤵
- Executes dropped EXE
PID:2416
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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=1268 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:1604
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
81KB
MD5d4ce4049d032da7049521c66b4f9fb37
SHA1248285cf5775fac638620f031cb80b1aad811559
SHA256268a2a6d280a160f58d635f7517c6ab514c55d5498bd39bb0341c9e307e1acc1
SHA51287afdf8f5b80ced1cc535a9aede2e12870fb9592e604652e21b5a1bb5f85f4237deef15209734193a48cd4ca9ed9fbd6098daa79fc777e757edd0ff6c5b08d79