f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12/02/2024, 04:49

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General

Target
f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
Size 3.8MB
Sample240212-ffwy5abd8x
SHA256 f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129
MD5 8eaf647dfb34faa67b34b3af95774dc4
SHA1 d96ae71d90a4b1af9fd951de2974e2ba135b51fe
SHA512 784e1d738fbf105457db00a1863fc826640b579315f652c8abd3d2b0014e4a677f75d06d6ab11fbe882b2486914597fa20686b4a1576f667ea6f9d473fd0c6ae
SSDEEP 98304:DP+7oAwItpzdgj2WistOIk8AevgvmgCFBpxex7cU:j+75wI/wicBWeo7Cxxg
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
3028	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\dll\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\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\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\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

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5108	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 3028	5108	java.exe	85
PID 5108 wrote to memory of 3028	5108	java.exe	85

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
1⤵
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5108
- 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:3028

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

Replay Monitor

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 9f07c623c8b9436dc1412865c58186ba90d48b97e4ec1c02b3bf87710e7421a2
MD5 b653b883bde62c47231e9b2e6f261649
SHA1 86e458c6fddf24d86c88556009abbfdda1c78b50
SHA512 aed738cd3d44a8ca0a0d139e85d10e8b605dae937989b25f8e80c40e2528ef303369dc2afa914f4a860824305286fc9e69a164398d1774a8910e1656eeb225e1
MD5 SHA1 SHA512

Submit Download

memory/5108-4-0x00000145B1A60000-0x00000145B2A60000-memory.dmp

Download

memory/5108-15-0x00000145B1A40000-0x00000145B1A41000-memory.dmp