Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
16-07-2024 22:05
Static task
static1
Behavioral task
behavioral1
Sample
PO-92283987282 pdf.jar
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
PO-92283987282 pdf.jar
Resource
win10v2004-20240709-en
General
-
Target
PO-92283987282 pdf.jar
-
Size
400KB
-
MD5
aa5384253eff90e812152002ccf1490f
-
SHA1
02499adac9172fd05023ae8952ebbb99506fe8e2
-
SHA256
b4a2023140db8262381afc84a52b07c56de4caf859a46f594dc9ac472eacea8d
-
SHA512
81d5e2c2c91398ee61fe07d7186157d2230cb9b175d33711de794fc232999f07f5161e40710e3ac60d6118ee20a9fcf68ba310dc1213403a6f1db39d4a948866
-
SSDEEP
12288:anVWHTa54XP/Dlcjv7D3BTu7cjZP9iN6d:aVSTa5a+vxrP9Qk
Malware Config
Signatures
-
Loads dropped DLL 1 IoCs
Processes:
java.exepid Process 2228 java.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
java.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO-92283987282 pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO-92283987282 pdf.jar\"" java.exe Set value (str) \REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO-92283987282 pdf = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\PO-92283987282 pdf.jar\"" java.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
-
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
java.exejava.execmd.exedescription pid Process procid_target PID 3836 wrote to memory of 720 3836 java.exe 94 PID 3836 wrote to memory of 720 3836 java.exe 94 PID 720 wrote to memory of 4264 720 java.exe 96 PID 720 wrote to memory of 4264 720 java.exe 96 PID 720 wrote to memory of 2228 720 java.exe 97 PID 720 wrote to memory of 2228 720 java.exe 97 PID 4264 wrote to memory of 548 4264 cmd.exe 100 PID 4264 wrote to memory of 548 4264 cmd.exe 100 -
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
-
C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exejava -jar "C:\Users\Admin\AppData\Local\Temp\PO-92283987282 pdf.jar"1⤵
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\PO-92283987282 pdf.jar"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-92283987282 pdf.jar"3⤵
- Suspicious use of WriteProcessMemory
PID:4264 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO-92283987282 pdf.jar"4⤵
- Scheduled Task/Job: Scheduled Task
PID:548
-
-
-
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\PO-92283987282 pdf.jar"3⤵
- Loads dropped DLL
PID:2228
-
-
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
-
Filesize
46B
MD5a5ddaf7cd9e6aa19dda972b6391fef3f
SHA12d791656c9b26023ecefec926e9c480e055e930c
SHA2569fa55942feda40c133f3aa84a9804bfb859567336040b8ae28c819217e53be1c
SHA512e504a3cbcc1e42b0f5ee9181b4b4b6e043c05e75bd7511883f121e5461f634b50157d751594e33152517f6ddfce176fdce5ba93483560297953ba74a9296f299
-
Filesize
46B
MD5de4fd32ac988008601e2c12ab104d5dd
SHA1c67cc7a43d471a707ca4d96f4d58f411f9673865
SHA2563678f0b2567eed3cea5af36d409289d3cb060a9b131e0662cfc2495d9e7085be
SHA512c6e2a7e14ca44323920e5d7ae2690c08546195d355ff04cca65cb59d085e2e4513e3df0fc8a3a8aeac2eaa18aee1af4ead3ee0c28e5f0261ab32671c4d1047f8
-
Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
-
C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-47134698-4092160662-1261813102-1000\83aa4cc77f591dfc2374580bbd95f6ba_58a5be6a-fbdc-4fe6-8f93-5aa44c9d3351
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
-
Filesize
400KB
MD5aa5384253eff90e812152002ccf1490f
SHA102499adac9172fd05023ae8952ebbb99506fe8e2
SHA256b4a2023140db8262381afc84a52b07c56de4caf859a46f594dc9ac472eacea8d
SHA51281d5e2c2c91398ee61fe07d7186157d2230cb9b175d33711de794fc232999f07f5161e40710e3ac60d6118ee20a9fcf68ba310dc1213403a6f1db39d4a948866
-
Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
-
Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
-
Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
-
Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d