bbc572cced7c94d63a7208f4aba4ed20d1350bef153b099035a86c95c8d96d4a

Analysis

max time kernel
42s
max time network
39s
platform
windows10-1703_x64
resource
win10-20240221-en
resource tags

arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
submitted
08-03-2024 18:54

Target

Adwind.jar
Size

5KB
MD5

fe537a3346590c04d81d357e3c4be6e8
SHA1

b1285f1d8618292e17e490857d1bdf0a79104837
SHA256

bbc572cced7c94d63a7208f4aba4ed20d1350bef153b099035a86c95c8d96d4a
SHA512

50a5c1ad99ee9f3a540cb30e87ebfdf7561f0a0ee35b3d06c394fa2bad06ca6088a04848ddcb25f449b3c98b89a91d1ba5859f1ed6737119b606968be250c8ce
SSDEEP

96:w9fXh7CBF8l1cHRDOjY4YbiPkW7UW1g+dWi9sBSy3HQNm6wx2xC7vz5:GXh78hHRDOU4YWPk2J14i9E3ymBxW+

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

540 icacls.exe

pid	process
540	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\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\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\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\server\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\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\symbols\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4384 wrote to memory of 540 4384 java.exe icacls.exe
PID 4384 wrote to memory of 540 4384 java.exe icacls.exe

description	pid	process	target process
PID 4384 wrote to memory of 540	4384	java.exe	icacls.exe
PID 4384 wrote to memory of 540	4384	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:4384
- 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:540

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4288

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
e90f25c1ce5c285ec46513d59f69e56d

SHA1
6c5fd98d54344dafee04a421b45ca64810acc1fd

SHA256
44a0f86beab3a94d1b0127187e0b1ba93eb45d9b60ece7ad78763e787a43d77e

SHA512
c637ed5a8477df3657229f70f1eadd87979ae6097566030af7ba77acd1e6e67059d23ad4382e9315339841be804b6ddd32a59a29bc2e9067e89fbb14cf1ab469

Download Submit
memory/4384-4-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download
memory/4384-12-0x000001D69CF00000-0x000001D69CF01000-memory.dmp

Filesize
4KB

Download
memory/4384-22-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download
memory/4384-26-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download
memory/4384-30-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download
memory/4384-31-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download
memory/4384-32-0x000001D69E940000-0x000001D69F940000-memory.dmp

Filesize
16.0MB

Download