Analysis
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max time kernel
119s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03-04-2024 20:10
Static task
static1
Behavioral task
behavioral1
Sample
Tax_documents_JPG.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Tax_documents_JPG.jar
Resource
win10v2004-20231215-en
General
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Target
Tax_documents_JPG.jar
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Size
429KB
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MD5
b600058b62cbca0ace1c87e4dc1eab56
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SHA1
16cfb0fbf7fa4b821c6313a9512f1b04aa693813
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SHA256
811de6570cf64d430a2c0af6fd2ce4214e61d5fd6f7adaae6d1bf4791b4d11e0
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SHA512
af0e7c3d18b659204b7b78ec948feeae04e47d4d0210ef32833278d078fbe6f3d8a9de3cdd8364e7f4b89dec372cd47dbde4d478c9b78641c080301490936d82
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SSDEEP
6144:LxHPsAEkCqNL+MbHEMVw4zYr/mglY20Ozj/fjRs+Cxd32oSTklkCNPaawJzkfpSy:ekCqPkgpsr/JzynSTtir0usYPuJ6Aax
Malware Config
Signatures
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Ratty Rat payload 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\lxgwqsaes.txt family_ratty -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 6 IoCs
Processes:
java.exewscript.exedescription pid process target process PID 1400 wrote to memory of 2488 1400 java.exe wscript.exe PID 1400 wrote to memory of 2488 1400 java.exe wscript.exe PID 1400 wrote to memory of 2488 1400 java.exe wscript.exe PID 2488 wrote to memory of 2580 2488 wscript.exe javaw.exe PID 2488 wrote to memory of 2580 2488 wscript.exe javaw.exe PID 2488 wrote to memory of 2580 2488 wscript.exe javaw.exe
Processes
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C:\Windows\system32\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Tax_documents_JPG.jar1⤵
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Windows\system32\wscript.exewscript C:\Users\Admin\rideaegdny.js2⤵
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Program Files\Java\jre7\bin\javaw.exe"C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\lxgwqsaes.txt"3⤵PID:2580
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
332KB
MD500694ae146ab43cc057084110f747e4c
SHA167a24c66fac1fdf2cd98b536768597ab1c03c8f1
SHA256248a66690549491b314b81e4375b6ad856866183df59ee9e1bf3872c5eb1689b
SHA51203440417eb6dec4c64d35b1c2694d5fc2e145262b1c044d9ab950625368c2a44c3f09504e6233b684846e55801e685465b8b2ec162a7e66e693a384e73f1ef3b
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Filesize
720KB
MD56eee7d7c5b76c9e009b9ef36d28f2769
SHA1a0c9a8eaad86685900d0127eba6e43a0808cf2a8
SHA2561058268338b671fdad899ed250b792ce2e587fc2686375f1d931dca2a8c6a7c8
SHA5121eeca587292603dc86ff12d07c0e54798cdf88abf2227d3ec11bf2b3bdea47add1760c1c79e856110d200abcc0bd68aeb27807f7bbe051e4731717e8ed4947c9