bbc572cced7c94d63a7208f4aba4ed20d1350bef153b099035a86c95c8d96d4a

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
08-03-2024 18:54

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General

Target

Adwind.jar
Size

5KB
MD5

fe537a3346590c04d81d357e3c4be6e8
SHA1

b1285f1d8618292e17e490857d1bdf0a79104837
SHA256

bbc572cced7c94d63a7208f4aba4ed20d1350bef153b099035a86c95c8d96d4a
SHA512

50a5c1ad99ee9f3a540cb30e87ebfdf7561f0a0ee35b3d06c394fa2bad06ca6088a04848ddcb25f449b3c98b89a91d1ba5859f1ed6737119b606968be250c8ce
SSDEEP

96:w9fXh7CBF8l1cHRDOjY4YbiPkW7UW1g+dWi9sBSy3HQNm6wx2xC7vz5:GXh78hHRDOU4YWPk2J14i9E3ymBxW+

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2380 icacls.exe

pid	process
2380	icacls.exe

Drops file in Program Files directory 12 IoCs

Processes:

java.exe

description	ioc	process
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\symbols\dll\jvm.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\server\symbols\dll\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\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\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 5100 wrote to memory of 2380 5100 java.exe icacls.exe
PID 5100 wrote to memory of 2380 5100 java.exe icacls.exe

description	pid	process	target process
PID 5100 wrote to memory of 2380	5100	java.exe	icacls.exe
PID 5100 wrote to memory of 2380	5100	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\Adwind.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:5100

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:2380

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Filesize
46B

MD5
47e9037412f71066efb3f06aba75ee28

SHA1
1027b426f73c04481fb3337b766a8084668cc224

SHA256
54321caa8f3732a129779b5fff3267f376bec9d1cd676da7ee5873ce15657d7e

SHA512
2b822efcd00ac78a999b03ab705e67819a69b1cb99662cdd7b73b62ee74afab70a5859e4373582252ca3fb5e6a0b6ed4e25d44e7c25963c922f8b86a40409d2d

Download Submit
memory/5100-44-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-56-0x000002013ACC0000-0x000002013ACD0000-memory.dmp

Filesize
64KB

Download
memory/5100-17-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-26-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-38-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-40-0x000002013AB90000-0x000002013ABA0000-memory.dmp

Filesize
64KB

Download
memory/5100-41-0x000002013AC10000-0x000002013AC20000-memory.dmp

Filesize
64KB

Download
memory/5100-43-0x000002013ABD0000-0x000002013ABE0000-memory.dmp

Filesize
64KB

Download
memory/5100-42-0x000002013ACB0000-0x000002013ACC0000-memory.dmp

Filesize
64KB

Download
memory/5100-45-0x000002013ABE0000-0x000002013ABF0000-memory.dmp

Filesize
64KB

Download
memory/5100-58-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-12-0x000002013A8F0000-0x000002013A8F1000-memory.dmp

Filesize
4KB

Download
memory/5100-52-0x000002013AC70000-0x000002013AC80000-memory.dmp

Filesize
64KB

Download
memory/5100-49-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-47-0x000002013AC20000-0x000002013AC30000-memory.dmp

Filesize
64KB

Download
memory/5100-50-0x000002013AC40000-0x000002013AC50000-memory.dmp

Filesize
64KB

Download
memory/5100-48-0x000002013AC30000-0x000002013AC40000-memory.dmp

Filesize
64KB

Download
memory/5100-51-0x000002013AC60000-0x000002013AC70000-memory.dmp

Filesize
64KB

Download
memory/5100-53-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-54-0x000002013AC80000-0x000002013AC90000-memory.dmp

Filesize
64KB

Download
memory/5100-55-0x000002013AC90000-0x000002013ACA0000-memory.dmp

Filesize
64KB

Download
memory/5100-7-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-57-0x000002013A910000-0x000002013B910000-memory.dmp

Filesize
16.0MB

Download
memory/5100-46-0x000002013ABF0000-0x000002013AC00000-memory.dmp

Filesize
64KB

Download