Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 07:14
Behavioral task
behavioral1
Sample
Anfrage-Angebot.jar
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Anfrage-Angebot.jar
Resource
win10v2004-20231215-en
General
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Target
Anfrage-Angebot.jar
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Size
64KB
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MD5
575d75ecae9946950af94951bfac908e
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SHA1
856900c7d62b852f2f5e854f11d8b072aa3721b1
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SHA256
374aa16abdd7a527d3500fb1d49f822263fc382706db71e0f58cc3e00045a790
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SHA512
1fd705f755e348f3d69f1a32315762d23fa74857d8e697f5f2b19081bc1dd210eb70cda20534369ede70ec4a7fe33edb2d67680299b5963af7dae5f2476c259c
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SSDEEP
1536:4jdiIZTjmn6fVQsJ4J7gTtcMbVrHCCT3Kk/:4jwINVqsJmiVrC/k/
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Anfrage-Angebot.jar java.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1944 icacls.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Anfrage-Angebot = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Anfrage-Angebot.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Anfrage-Angebot = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\Anfrage-Angebot.jar\"" java.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1628 schtasks.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4080 wrote to memory of 1944 4080 java.exe 85 PID 4080 wrote to memory of 1944 4080 java.exe 85 PID 4080 wrote to memory of 828 4080 java.exe 87 PID 4080 wrote to memory of 828 4080 java.exe 87 PID 4080 wrote to memory of 2768 4080 java.exe 88 PID 4080 wrote to memory of 2768 4080 java.exe 88 PID 828 wrote to memory of 1628 828 cmd.exe 91 PID 828 wrote to memory of 1628 828 cmd.exe 91 -
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\Anfrage-Angebot.jar1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4080 -
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:1944
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C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Anfrage-Angebot.jar"2⤵
- Suspicious use of WriteProcessMemory
PID:828 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Anfrage-Angebot.jar"3⤵
- Creates scheduled task(s)
PID:1628
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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\Anfrage-Angebot.jar"2⤵PID:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5575d75ecae9946950af94951bfac908e
SHA1856900c7d62b852f2f5e854f11d8b072aa3721b1
SHA256374aa16abdd7a527d3500fb1d49f822263fc382706db71e0f58cc3e00045a790
SHA5121fd705f755e348f3d69f1a32315762d23fa74857d8e697f5f2b19081bc1dd210eb70cda20534369ede70ec4a7fe33edb2d67680299b5963af7dae5f2476c259c
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Filesize
46B
MD5d90de15a5974daa6655723f5c01b124d
SHA1f188174a658b10e70256f20bdc71159d643ee034
SHA256f49b5cd4de1d2df73c0e0ca935c42f1a7ed9c0b9032096b1e87dfbb1331369f5
SHA5123ca1ed3becda565e01e44c630f252c4774014adc630f75fa4598ff388552f203bf08390bd8660526c020d5790ec5ebc51be3447be7a921b8345758a4deb7db6b