Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-06-2024 23:15
Static task
static1
Behavioral task
behavioral1
Sample
7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe
Resource
win10v2004-20240226-en
General
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Target
7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe
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Size
37KB
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MD5
349be1db0823283847810e38251a908e
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SHA1
8d2f97dd7a75b2cc7a764215be0a264d5ad1e0b3
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SHA256
7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20
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SHA512
1a65c396b751c7daffd67ba987d156e59c493710faef1bcc99b6f0ffd6e86a3cbbe514abb745567a13bbb582681ec160d77213c256b48c282b802e436f814799
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SSDEEP
768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhu:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYO
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4328 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 4328 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1604 wrote to memory of 4328 1604 7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe 91 PID 1604 wrote to memory of 4328 1604 7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe 91 PID 1604 wrote to memory of 4328 1604 7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe"C:\Users\Admin\AppData\Local\Temp\7c8454f3ff06f6402774355ee7ea234d370128bf676751d9d8dbac1a4572fe20.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:4328
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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=4440 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:81⤵PID:3980
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5b4b20c3ab281c8cd6035423371485631
SHA12c55c821c1c5d1211b22ab282da41c49319a0fd9
SHA256414f4a24ea7a61ba4b26002e7614f742b1e964aea3b5ac6683cf10cb60324dd3
SHA5129a7f5d689c4f932f39fbc2f58745822a7cfb39fc47e98cc91b1e9f5f4b6b5e1b81d8998da8581957211aaf8cef5c9cea9927c7737c59e5f1bc692c8cbccc1dac