Analysis
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max time kernel
135s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
21-08-2024 10:10
General
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Target
42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar
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Size
400KB
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MD5
f6b06af9e65718cfa313431a653f4663
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SHA1
b4ee8f08a515201ad692c2252f8259611ae245a3
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SHA256
42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f
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SHA512
989f546273b1ed0beabb85de886c0edf24f95f605a1c33c0457e900af4f86100b27398dc94a2fdc5b99c5075755d13a75e3535c6912350efaaf6d1077ce21a63
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SSDEEP
12288:WXN+HTi58brPDRsjv7L35TCjcjNP9iNau:WdaTi5SCnpnP9Qx
Malware Config
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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Adds Run key to start application 2 TTPs 2 IoCs
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Scheduled Task/Job: Scheduled Task 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 8 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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar1⤵
- Suspicious use of WriteProcessMemory
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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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"4⤵
- Scheduled Task/Job: Scheduled Task
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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\42b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f.jar"3⤵
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5f45a61ea67f9351e6731bd0972a29253
SHA1fc877200d45ccc7b238bedde218eafd6c92278cc
SHA256ba8030db1551deb515e837c0367feeb727a8cc3a0fabe774a20ae8316c29a74a
SHA5127f712b170a81b4676c18a8468fb845944f03e1df51cbe590b950ba014e3831d338083738441a946a324599c6ea8d9d9ed5daac052b586e7cc9139661b5617307
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Filesize
46B
MD5847e5d7e0e0c5361cb376145c755fc6a
SHA12aa24b61b47f7f76f33cac2b6910896ba364101b
SHA2563c42b99085618a79a14a8678dfe1fd7c5f032ba7b6aeb6ca4e35f5d17391c6d0
SHA512332491bd31b92b9ac661b3f6ef129d4dfab7a2f81372fdf8e73180d8b12703b46a290cdbf848ff7e0f9b095617cd3a11974829ead2fc69e9273b70462a17041b
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Filesize
400KB
MD5f6b06af9e65718cfa313431a653f4663
SHA1b4ee8f08a515201ad692c2252f8259611ae245a3
SHA25642b99bbf0961d2c5a4dfeeea07f85733eed2ce2f5571904453ae56c4e6e90c7f
SHA512989f546273b1ed0beabb85de886c0edf24f95f605a1c33c0457e900af4f86100b27398dc94a2fdc5b99c5075755d13a75e3535c6912350efaaf6d1077ce21a63
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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
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
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
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
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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
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
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
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
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
2.4MB
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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
4KB