6d3e348cfe718e27a0af78d15ff32648890e51442a7f614c2463e50a0116eb18

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/03/2024, 06:24

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General

Target
DIMFIL - 202400209_20240204_163237.jar
Size 209KB
Sample240304-g52fksda33
SHA256 6d3e348cfe718e27a0af78d15ff32648890e51442a7f614c2463e50a0116eb18
MD5 e5e273e7a2fdf5fc727fc9a54805dbf8
SHA1 ea0a4d8f987500ebaee6c3f9b1c952c6ae1006f2
SHA512 b6d698a385c98e25da230d189cb81709f9f435fc779579b727914d25d12ae49a7d17965c3f8047cb86273181d0ce82386b8910d6df68fd218c776b6a95184196
SSDEEP 6144:7GF8hJ1HN/cgBS2czywRbaVo0MSmu2PzVmyKu:7GChHdrVcHWo0MSGpKu
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4036	icacls.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 4036	2676	java.exe	87
PID 2676 wrote to memory of 4036	2676	java.exe	87

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar "C:\Users\Admin\AppData\Local\Temp\DIMFIL - 202400209_20240204_163237.jar"
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\system32\icacls.exe
  C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
  2⤵
  - Modifies file permissions
  PID:4036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 52b7cdd9398cf766c82c1342a7fc39fcc965e81f00a247e198b65892c28681ab
MD5 1554f7e60c0387e7c54b23aa6b1773a5
SHA1 3bddda7c04ff617d00a49d9084466a6ec2817585
SHA512 b9f4b23e98c73c33fdbbaf3d927cb392222dde1a1c835c71005624352c5f84888d1e335bed26005e6e3578671f0e05385936bde8ee0a2409fcaedd519bc6c42a
MD5 SHA1 SHA512

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memory/2676-40-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-12-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-16-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-26-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-31-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-4-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-45-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-52-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-55-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-62-0x0000017719A60000-0x000001771AA60000-memory.dmp

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memory/2676-79-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-96-0x0000017718050000-0x0000017718051000-memory.dmp

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memory/2676-131-0x0000017719E40000-0x0000017719E50000-memory.dmp

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memory/2676-132-0x0000017719A60000-0x000001771AA60000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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