Analysis
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max time kernel
27s -
max time network
29s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
10/05/2024, 09:23
Static task
static1
Behavioral task
behavioral1
Sample
Bloxstrap-v2.5.4.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
Bloxstrap-v2.5.4.exe
Resource
win10v2004-20240508-en
General
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Target
Bloxstrap-v2.5.4.exe
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Size
7.6MB
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MD5
dbb820772caf0003967ef0f269fbdeb1
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SHA1
31992bd4977a7dfeba67537a2da6c9ca64bc304c
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SHA256
b2ac1e407ed3ecd7c7faa6de929a68fb51145662cf793c40b69eb59295bba6bc
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SHA512
e8ac879c7198dffb78bc6ee4ad49b5de40a5a7dbbda53d427d0a034941487d13c8bb2b8d590a1fcdd81cd6abb8f21fdfcd52924eb00c45a42ee06c1e4b3d590f
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SSDEEP
98304:XNd5DSd5DxTsed5D2ZT00UuOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTl1:X+sdtObAbN0u
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation Bloxstrap-v2.5.4.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4548 Bloxstrap-v2.5.4.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4548 Bloxstrap-v2.5.4.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4548 Bloxstrap-v2.5.4.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-5e534e6db34e447e\content\configs\DateTimeLocaleConfigs\zh-hans.json
Filesize2KB
MD5fb6605abd624d1923aef5f2122b5ae58
SHA16e98c0a31fa39c781df33628b55568e095be7d71
SHA2567b993133d329c46c0c437d985eead54432944d7b46db6ad6ea755505b8629d00
SHA51297a14eda2010033265b379aa5553359293baf4988a4cdde8a40b0315e318a7b30feee7f5e14c68131e85610c00585d0c67e636999e3af9b5b2209e1a27a82223
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C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-5e534e6db34e447e\content\configs\DateTimeLocaleConfigs\zh-tw.json
Filesize2KB
MD5702c9879f2289959ceaa91d3045f28aa
SHA1775072f139acc8eafb219af355f60b2f57094276
SHA256a92a6988175f9c1d073e4b54bf6a31f9b5d3652eebdf6a351fb5e12bda76cbd5
SHA512815a6bef134c0db7a5926f0cf4b3f7702d71b0b2f13eca9539cd2fc5a61eea81b1884e4c4bc0b3398880589bff809ac8d5df833e7e4aeda4a1244e9a875d1e97