Resubmissions
24/06/2024, 04:41
240624-fbkejaxdpc03/04/2024, 18:51
240403-xhlplshe4x1003/04/2024, 18:47
240403-xfehhshg7910Analysis
- max time kernel
12s - max time network
12s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system - submitted
03/04/2024, 18:51
Static task
static1
General
- Target Tax_documents_JPG.jar
- Size 429KB
- Sample240403-xhlplshe4x
- SHA256 811de6570cf64d430a2c0af6fd2ce4214e61d5fd6f7adaae6d1bf4791b4d11e0
- MD5 b600058b62cbca0ace1c87e4dc1eab56
- SHA1 16cfb0fbf7fa4b821c6313a9512f1b04aa693813
- SHA512 af0e7c3d18b659204b7b78ec948feeae04e47d4d0210ef32833278d078fbe6f3d8a9de3cdd8364e7f4b89dec372cd47dbde4d478c9b78641c080301490936d82
- SSDEEP 6144:LxHPsAEkCqNL+MbHEMVw4zYr/mglY20Ozj/fjRs+Cxd32oSTklkCNPaawJzkfpSy:ekCqPkgpsr/JzynSTtir0usYPuJ6Aax
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Ratty Rat payload 1 IoCs
resource yara_rule behavioral1/files/0x000900000001ab37-18.dat family_ratty - Modifies file permissions 1 TTPs 1 IoCs
pid Process 1924 icacls.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3088 wrote to memory of 1924 3088 java.exe 74 PID 3088 wrote to memory of 1924 3088 java.exe 74 PID 3088 wrote to memory of 4200 3088 java.exe 76 PID 3088 wrote to memory of 4200 3088 java.exe 76
Processes
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\Tax_documents_JPG.jar1⤵
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
PID:1924
-
-
C:\Windows\SYSTEM32\wscript.exewscript C:\Users\Admin\rideaegdny.js2⤵PID:4200
-
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\lbuomnbhhq.txt"3⤵PID:2400
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
- Size 46B
- SHA256 e2467b53bb795a94df67d4cd885ea1c33ef1b0084a21c9db76694811f0e31ed7
- MD5 c35695955c8e1b48e6034764ea4daecb
- SHA1 f42bb2c010e13c64c67ab8f70569ae871c593bb3
- SHA512 95554022d101ca523b1f5e5ae8a01badd23aa7e4379081226932f29e9095d440bfb8dd72879076fe235118cb74a26638088aabede401713e5cde05917dfaddb5
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\lbuomnbhhq.txt
- Size 332KB
- SHA256 248a66690549491b314b81e4375b6ad856866183df59ee9e1bf3872c5eb1689b
- MD5 00694ae146ab43cc057084110f747e4c
- SHA1 67a24c66fac1fdf2cd98b536768597ab1c03c8f1
- SHA512 03440417eb6dec4c64d35b1c2694d5fc2e145262b1c044d9ab950625368c2a44c3f09504e6233b684846e55801e685465b8b2ec162a7e66e693a384e73f1ef3b
- SSDEEP 6144:JZjgS007NNMX/+DoklCAFNWClCA+jp02GmaZ/ZJSEPavLFjt+Ws:JZNNNzbCClCA+jp02GmWhJnav5jUb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\rideaegdny.js
- Size 720KB
- SHA256 1058268338b671fdad899ed250b792ce2e587fc2686375f1d931dca2a8c6a7c8
- MD5 6eee7d7c5b76c9e009b9ef36d28f2769
- SHA1 a0c9a8eaad86685900d0127eba6e43a0808cf2a8
- SHA512 1eeca587292603dc86ff12d07c0e54798cdf88abf2227d3ec11bf2b3bdea47add1760c1c79e856110d200abcc0bd68aeb27807f7bbe051e4731717e8ed4947c9
- SSDEEP 6144:Ay9w1+f9PLoxvdgNDBqwPJ/1jqkLm9ZJoLiGBHhgQ/IVXMUOfss3tjWjLQJxPF5i:XLo0NU05XMRkAVXBVs3H9n/CLVdWqjJv
- MD5 SHA1 SHA512 SSDEEP