0510d1461831a065e13f6da0b290927292d5c40c4ea38d284e5bfea54b3c4d9a

Analysis

max time kernel
93s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
22/02/2024, 17:10

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General

Target
W2-AND-1099-A_PDF.jar
Size 693KB
Sample240222-vp29tsdc75
SHA256 0510d1461831a065e13f6da0b290927292d5c40c4ea38d284e5bfea54b3c4d9a
MD5 80292d4177dfa943bcac463711740ee8
SHA1 e56cef2b3efa5507805f887ab728d7b36e7106fc
SHA512 b6453599ca4d5dd5e2159f05003656c2c17516f3abe9e2204e7e0e0cd47ec4790e22c6db018e4beb91869cea47e0b9376daa85c6084c72e2ba29a3a004bfc017
SSDEEP 12288:SQtVrKa6V4x6x+jgBHmyZW0S4cRnOwa9PX2q0KLmfgMUStvDu5zoExztin:SgpKP40x8gVmyZFKJahGq/LmgMvruhoX
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
700	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\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\symbols\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\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\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\symbols\dll\jvm.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\dll\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3352	java.exe
3352	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 700	3352	java.exe	87
PID 3352 wrote to memory of 700	3352	java.exe	87

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\W2-AND-1099-A_PDF.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3352
- 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:700

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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3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 d586d1223b4ec3c1759dc57aee1c7cbd892370f4a707816c32aae9f24c50e272
MD5 51d76cfe7f2d4b1feb01bfdd158c0836
SHA1 418c768c3c02c3a6a4462d2091aac19323c86dab
SHA512 4e89dbbd28358c5b3d407b55fe8992ce5c2e3cd9f456ed5fee1bc2888c0ee0479c1acd3311272f85498f2e0b5d6b94e11859acb8ba94c172427c1e8cd172b096
MD5 SHA1 SHA512

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memory/3352-4-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-13-0x00000170AF5A0000-0x00000170AF5A1000-memory.dmp

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memory/3352-16-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-20-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-25-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-26-0x00000170AF5A0000-0x00000170AF5A1000-memory.dmp

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memory/3352-31-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-34-0x00000170B0DA0000-0x00000170B1DA0000-memory.dmp

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memory/3352-37-0x00000170AF5A0000-0x00000170AF5A1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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