Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
19-10-2022 20:47
Static task
static1
Behavioral task
behavioral1
Sample
22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe
Resource
win10v2004-20220901-en
General
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Target
22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe
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Size
198KB
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MD5
a1aa46252a269de3b8a88b641f985530
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SHA1
8c26f7888a6e6532fcef54568c7262ec942db112
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SHA256
22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b
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SHA512
6e6f4e7cbb3e5dbad6999d601856be0ecf321b10577172d13ed57a5dd2a093b005a15b13820bf4b2895161138f8bda04e05bf50e999b9eab98362f55ac5fb76d
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SSDEEP
1536:JXBhCQCq4mFVsIgvo3X4iZpTha5VlA8mH7aoHayXzR:JX74mFmIgvo4iZhha5rOaoHfV
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2232 jusched.exe -
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files (x86)\3ac8d391\jusched.exe 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe File created C:\Program Files (x86)\3ac8d391\3ac8d391 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe File created C:\Program Files (x86)\3ac8d391\info_a 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Update23.job 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 360 wrote to memory of 2232 360 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe 87 PID 360 wrote to memory of 2232 360 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe 87 PID 360 wrote to memory of 2232 360 22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe"C:\Users\Admin\AppData\Local\Temp\22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:360 -
C:\Program Files (x86)\3ac8d391\jusched.exe"C:\Program Files (x86)\3ac8d391\jusched.exe"2⤵
- Executes dropped EXE
PID:2232
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
17B
MD5ea30f8139bb911f029a1e7cbe45ed983
SHA10eb7dec5427d1d3c0a51678feab94aea2716cfa4
SHA256795b20420c630ebd74c12699428fe7ec4c3270ec3429d347d096356dc27ea32b
SHA512b19671e73af17bb4f0d22e70ccb1e85786e2a3bf4aa54225e80b76ec82bceeef4228f86e7511520ddc08c3c4c33d55fe9a767644e1014d83e0149bbfa767ed04
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Filesize
12B
MD5a0b34c6649594d7ce4c26e96c8f3be5f
SHA14b41e6b139d198f89aa5a9147a0479e424bde115
SHA25696b1b410a865bb0d34f6598925577e582fea905c59f80fc3cbe2301ef448e75a
SHA512fb07ec2e718ad0d1c1184180642b64d1ed589d90937a4317feeda127c658450cef3e7d2d64105ab0b582dad8f2909a6cd0ffcd013beeb07eac3be492c73d0d07
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Filesize
198KB
MD5f6bd0717fccd856aa5d0928a4055928a
SHA1a451ca09ce1ec4f9dc1378f646dbc4e7ed0c00c4
SHA256e7557d5b3928411f63d833f2ee14aa3ddd221e919e9f08832a2df3ecae76ac6e
SHA5127824e29fe70eae084af6d3b9c33c028223a078d09612a93cea71395d80d13eb079119cae70ef014674308466953b24300aa7695d5542b9c6cfcc8bb7a428f1c5
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Filesize
198KB
MD5f6bd0717fccd856aa5d0928a4055928a
SHA1a451ca09ce1ec4f9dc1378f646dbc4e7ed0c00c4
SHA256e7557d5b3928411f63d833f2ee14aa3ddd221e919e9f08832a2df3ecae76ac6e
SHA5127824e29fe70eae084af6d3b9c33c028223a078d09612a93cea71395d80d13eb079119cae70ef014674308466953b24300aa7695d5542b9c6cfcc8bb7a428f1c5