Analysis
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max time kernel
138s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
08-11-2022 18:21
Behavioral task
behavioral1
Sample
5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b.exe
Resource
win10v2004-20220812-en
General
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Target
5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b.exe
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Size
32KB
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MD5
0387eb52d9a0ba82e69b623d14425550
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SHA1
a20fa675abe285070999b9830decf78b81a3896e
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SHA256
5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b
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SHA512
e62309af8828648883a37abaa22828c253c90fb2ad4e0d8d86e2021e648cf070b27905c53a9e12d3e8511581bd9dcd7e742f4bb0277572743eb3bfbb0895b8fd
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SSDEEP
768:ryHus/t/jPMUY96cPvc0xJGKJxsLoI/CYR/9m:rm7/1T46Gc0xJwdL
Malware Config
Extracted
joker
http://tttie.oss-cn-shenzhen.aliyuncs.com
Signatures
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joker
Joker is an Android malware that targets billing and SMS fraud.
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Downloads MZ/PE file
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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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\open.ini 5a75fa55211464cb6938bcc10ef921422b81d3fa1e864897bc15dcd96ab57e1b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.