b1b3403d8ae2871c50f7a5cdb7f9d83634a83c23072468fe71d0538c912bbad8

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2024 03:14

Target

b1b3403d8ae2871c50f7a5cdb7f9d83634a83c23072468fe71d0538c912bbad8.jar
Size

172KB
MD5

fb8a3018ade8d911f0c205d832c3279d
SHA1

16e480ffe0238e85318ad5ddd370ce55f296dd2d
SHA256

b1b3403d8ae2871c50f7a5cdb7f9d83634a83c23072468fe71d0538c912bbad8
SHA512

2a25900dc96f50e04ccd9a1dfc4dc202b7ae8dfa63c099058cd9f237aaddde2a669b9ba4e7f822f71b7b01027cc4923703760ed7c4ea168b2fe9462b475833cd
SSDEEP

3072:JwtgWCeR01ZvdgOpw8CNc45gOI5IM7hSIhesNMqeD9mcvyJGJ5fjjh1:qtgWkppuc4Fy7UIhes2548fv/

Score

7^/10

discovery

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

440 icacls.exe

pid	process
440	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\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\symbols\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\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\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\symbols\dll\ntdll.pdb	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4332 wrote to memory of 440 4332 java.exe icacls.exe
PID 4332 wrote to memory of 440 4332 java.exe icacls.exe

description	pid	process	target process
PID 4332 wrote to memory of 440	4332	java.exe	icacls.exe
PID 4332 wrote to memory of 440	4332	java.exe	icacls.exe

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:440

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:4580

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

memory/4332-2-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-11-0x00000172B4F80000-0x00000172B4F81000-memory.dmp

Filesize
4KB

Download
memory/4332-23-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-27-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-33-0x00000172B4F80000-0x00000172B4F81000-memory.dmp

Filesize
4KB

Download
memory/4332-36-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-47-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-55-0x00000172B6860000-0x00000172B7860000-memory.dmp

Filesize
16.0MB

Download
memory/4332-59-0x00000172B4F80000-0x00000172B4F81000-memory.dmp

Filesize
4KB

Download