Analysis
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max time kernel
76s -
max time network
302s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
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submitted
29-05-2023 02:48
General
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Target
fesa.exe
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Size
4.0MB
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MD5
33b4baef7b0a6ad57a7d30af324c4efd
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SHA1
b169a559615a8448d7ed7da56d36a6850d2092e2
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SHA256
3a48d4a5106dd9ba74e5fccfe58bf65581ee894d7f3ca1b15e6680fc912cd150
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SHA512
739759d92a9e48e41b0366104ac9edf469cd8f323bbef0b507e3351cf081869ed069b88927fa70329d655012702385a74686df921a62dba95d7ec138a1e46690
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SSDEEP
49152:ENDFFPJu8fBsVE6ij+RNg+UKpBvtqB3m1RC3:SzP88fBsnZTgOtqB3m1RC3
Malware Config
Signatures
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LoaderBot
LoaderBot is a loader written in .NET downloading and executing miners.
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xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
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LoaderBot executable 1 IoCs
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XMRig Miner payload 30 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: LoadsDriver 1 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 5 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fesa.exe"C:\Users\Admin\AppData\Local\Temp\fesa.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe"C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 22⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3560 -s 7603⤵
- Program crash
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C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe"C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 427X8guX5JRRGk4v7gRcwK85MwpjCAN7djGqBAbCETdqc5biVY27pePT3Ctx43QMLAdKAaRDF4KW4HiozmdQ7EHrNczdnfM -p x -k -v=0 --donate-level=1 -t 22⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 452 -p 3560 -ip 35601⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
3.9MB
MD502569a7a91a71133d4a1023bf32aa6f4
SHA10f16bcb3f3f085d3d3be912195558e9f9680d574
SHA2568d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
SHA512534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322
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Filesize
3.9MB
MD502569a7a91a71133d4a1023bf32aa6f4
SHA10f16bcb3f3f085d3d3be912195558e9f9680d574
SHA2568d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
SHA512534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322
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Filesize
3.9MB
MD502569a7a91a71133d4a1023bf32aa6f4
SHA10f16bcb3f3f085d3d3be912195558e9f9680d574
SHA2568d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
SHA512534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322
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Filesize
3.9MB
MD502569a7a91a71133d4a1023bf32aa6f4
SHA10f16bcb3f3f085d3d3be912195558e9f9680d574
SHA2568d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
SHA512534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322
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Filesize
64KB
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Filesize
408KB
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Filesize
64KB
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Filesize
4.0MB
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Filesize
11.5MB
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Filesize
80KB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
128KB
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Filesize
128KB
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Filesize
11.5MB
-
Filesize
128KB
-
Filesize
128KB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
128KB
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Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
-
Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB
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Filesize
11.5MB