Analysis
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max time kernel
129s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
08-06-2024 07:50
General
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Target
ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar
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Size
208KB
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MD5
4a8fb5a583ce8359221745c1962bfdcc
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SHA1
27165892e02294dcf85c24ff9b942fdecabfd145
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SHA256
ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db
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SHA512
8a8fca2a416892b560ea7b80c0045976a51469067539a640a3c2caa0eca682243c3ea4e86d186114bebdbb6e957887a8ea9ea92846d6d30aa37c5b1da129cbeb
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SSDEEP
3072:IjVE+tfBfElDMyi+EJOAARy3qVmefPC+TfSf0jB90VJTdTqET7eGipBfNvH:IplBOQKAA+t6BusiVJTdqigBl/
Malware Config
Extracted
strrat
chongmei33.publicvm.com:44662
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license_id
khonsari
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
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STRRAT
STRRAT is a remote access tool than can steal credentials and log keystrokes.
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Drops startup file 1 IoCs
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Loads dropped DLL 1 IoCs
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of WriteProcessMemory 10 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar C:\Users\Admin\AppData\Local\Temp\ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeC:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M2⤵
- Modifies file permissions
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar"2⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar"4⤵
- Creates scheduled task(s)
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db.jar"3⤵
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD551f375caee784975d5b8179a0fb8c331
SHA16ecae484c151690d0e8aee666edd71802c9455ec
SHA256e67fc768a7312ce1464c66ddfc96b412caf4314dbb7563a271c987c5a5f6a677
SHA51285389af1da5ad0270a7e00526103fe5f0f4db6ffda33446f3ccb4d5d31f2edf09959881aeecf7f67686a0f96525cdff61beee48f536cc6c9de65fe5edbd82b29
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Filesize
46B
MD5bc4c9e46a3973a71614fca66add347fb
SHA18ba874b16741ce6644cb512bf64589675c9c0123
SHA25682ad69e95b9dee2aa0b725d9867b3b68769482af860ff7c36591556c3d440b81
SHA512c6238bf166dbb30e001afd70d649661b1c059cea3112c70738783fdb977334f51b2f17d316518415288a982326c31fd64bc36be897d9122409c30cb932dfd6f1
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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Filesize
45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
208KB
MD54a8fb5a583ce8359221745c1962bfdcc
SHA127165892e02294dcf85c24ff9b942fdecabfd145
SHA256ed41f1a75fc6e0e049e815903dac8c52e12ae6212103e9002206f0dd14ea44db
SHA5128a8fca2a416892b560ea7b80c0045976a51469067539a640a3c2caa0eca682243c3ea4e86d186114bebdbb6e957887a8ea9ea92846d6d30aa37c5b1da129cbeb
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
2.4MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
2.4MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
2.4MB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB