56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e

General

Target

56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e.jar
Size

167KB
MD5

df7be0365b1ed92efa70ea5bc070f19c
SHA1

5c6d506244d85222a25f25a93d7400d71a7b527a
SHA256

56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e
SHA512

19f6e1ea3a63f422eb5c6dc5622722caea5debbec6042a770f364c050d11ec6b09adba765dfa3a74a47f457287cf7f5cffd8e08909b96dc25df5cbfbf6a235dd
SSDEEP

3072:T3FFxl3/W/7n3ZaVfK+7dkKwvBMxMI61Bd4+tEveaYARpzUPxOeQfebl2fXqAwWy:T3FFbUVao+S91BdfK2adzAx8eR2fqVX

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

2568 icacls.exe

pid	process
2568	icacls.exe

Drops file in Program Files directory 24 IoCs

Processes:

java.exe

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\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\ucrtbase.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ucrtbase.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\kernel32.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\DLL\kernel32.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\DLL\kernel32.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\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ucrtbase.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\server\dll\jvm.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ucrtbase.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\dll\ucrtbase.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ucrtbase.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\DLL\kernel32.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kernel32.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\DLL\kernel32.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

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4640 wrote to memory of 2568 4640 java.exe icacls.exe
PID 4640 wrote to memory of 2568 4640 java.exe icacls.exe

description	pid	process	target process
PID 4640 wrote to memory of 2568	4640	java.exe	icacls.exe
PID 4640 wrote to memory of 2568	4640	java.exe	icacls.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\56adddced8be369b725c6c4db11ab5579dc88c40cbca16715db7a1e60da2fc3e.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4640

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:2568

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=4180 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4304

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

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
c90df59156352d391e8a2c0dac5a5b85

SHA1
cf520da956d239daadd40d0902e4a3f101913d7f

SHA256
aa0eb4246528bfa374fdb91edf9f66abbf1c4227f6bf4eb51cde66a991c71488

SHA512
646a8522d2605008bffa91d4499a91190e74a3e339c68a0e853ad450866b5fa472a2e6342f35a36bc2c4f449a65e48db3dd1381de627471853c8c3d0d753e66d

Download Submit
memory/4640-33-0x000001385F0B0000-0x000001385F0B1000-memory.dmp

Filesize
4KB

Download
memory/4640-12-0x000001385F0B0000-0x000001385F0B1000-memory.dmp

Filesize
4KB

Download
memory/4640-19-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download
memory/4640-25-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download
memory/4640-27-0x000001385F0B0000-0x000001385F0B1000-memory.dmp

Filesize
4KB

Download
memory/4640-2-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download
memory/4640-35-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download
memory/4640-48-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download
memory/4640-65-0x000001385F0B0000-0x000001385F0B1000-memory.dmp

Filesize
4KB

Download
memory/4640-82-0x000001385F0B0000-0x000001385F0B1000-memory.dmp

Filesize
4KB

Download
memory/4640-93-0x0000013860C50000-0x0000013860C60000-memory.dmp

Filesize
64KB

Download
memory/4640-94-0x0000013860C30000-0x0000013860C40000-memory.dmp

Filesize
64KB

Download
memory/4640-95-0x0000013860C40000-0x0000013860C50000-memory.dmp

Filesize
64KB

Download
memory/4640-96-0x00000138608C0000-0x00000138618C0000-memory.dmp

Filesize
16.0MB

Download

Analysis

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