58827ff2fffbefadc96229e71154d5c6f3a4176e7f364e531e2a935845eebbbd

Analysis

max time kernel
94s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
13/04/2024, 01:11

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General

Target
58827ff2fffbefadc96229e71154d5c6f3a4176e7f364e531e2a935845eebbbd.jar
Size 64KB
Sample240413-bj5cfscd2t
SHA256 58827ff2fffbefadc96229e71154d5c6f3a4176e7f364e531e2a935845eebbbd
MD5 b47a6b9fed2a61efe164a130b4f55881
SHA1 15e372e7e69b8b9084b9dbcb0518b3a8ae8e586b
SHA512 8efc1894516db1dbe62efc514455252ebf103e737ff7c2bf35e9953038d378d7b571083d2cd6e0e12e9d249ba47adcf87b9ffd61e3976f38f9c5affa349722ca
SSDEEP 1536:78VCTm8IlFW+TD7xIia9WCPCc/8C9icqKBDeGCMQOulVOBXTANyWc8liB:7gqboFWU7CikXlevMQOulVYTANyWc8YB
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
5112	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\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\server\symbols\dll\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
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\jvm.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\dll\jvm.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\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 5112	1424	java.exe	85
PID 1424 wrote to memory of 5112	1424	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\58827ff2fffbefadc96229e71154d5c6f3a4176e7f364e531e2a935845eebbbd.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1424
- 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:5112

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 0f00e98d030cdd2d70a1bc7728ebc7ff43dbe36270c21c559f5ee4c934dfc985
MD5 556df5ee8b72d74384685d07e8564c81
SHA1 02930fd49deedc9135e95ed6d57e9f76ded598b4
SHA512 67348f7c70b99e286ce527b89c5b0b38f4c88a35d093266d7e6e6acb617b2fcbbfd8ec93eeefbe7c1c6afa6ecb202d255e49a12e59efbe3bc16f4dff1d28e521
MD5 SHA1 SHA512

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memory/1424-4-0x000002D0B0A10000-0x000002D0B1A10000-memory.dmp

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memory/1424-12-0x000002D0B09F0000-0x000002D0B09F1000-memory.dmp

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memory/1424-17-0x000002D0B0C90000-0x000002D0B0CA0000-memory.dmp

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memory/1424-18-0x000002D0B0A10000-0x000002D0B1A10000-memory.dmp

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memory/1424-19-0x000002D0B0A10000-0x000002D0B1A10000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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