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Analysis
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max time kernel
147s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
04/12/2022, 13:17
Behavioral task
behavioral1
Sample
af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe
Resource
win10v2004-20220812-en
General
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Target
af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe
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Size
242KB
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MD5
0d83c012eda9be662d3d482944b58cbd
-
SHA1
6ca650711e3df047a096f4ab9b1d6c4f5b4af87b
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SHA256
af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30
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SHA512
01e9311f11cd3553f222f494440a90d14cd235811c418f89a52639fadf968064b9306736812fac4f605a5e12200a072a73489988abc605d27cecda0b40188a62
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SSDEEP
6144:JkeENDvTSn2SV/GuhYdViC7X57+nM4bKVSJfWpsQQ:JNEND/k/GLPX57+nbWSJfWpsN
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2356-132-0x0000000000400000-0x000000000048A000-memory.dmp upx behavioral2/memory/2356-133-0x0000000000400000-0x000000000048A000-memory.dmp upx -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\f: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\h: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\k: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\s: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\z: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\g: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\j: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\m: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\p: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\r: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\x: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\e: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\q: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\t: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\v: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\w: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\y: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\i: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\l: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\n: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\o: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe File opened (read-only) \??\u: af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\SAItest.txt af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe"C:\Users\Admin\AppData\Local\Temp\af1fc064debebeeeeec13ba1ec5318b65ba347f86e466e8643f9c6e9acc5cd30.exe"1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:2356