f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129

Analysis

max time kernel
150s
max time network
155s
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, 04:58

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General

Target
f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
Size 3.8MB
Sample240212-flwkjsdh65
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
2144	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\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\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\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\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
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

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4364	java.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 2144	4364	java.exe	85
PID 4364 wrote to memory of 2144	4364	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:4364
- 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:2144

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

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Downloads

3903daac9bc4a3b7.timestamp

Path C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp
Size 46B
SHA256 a8b17b3e037867d339617771c288924883bd6cf8222e233b8dbc6e99954778ab
MD5 bb8c05254ddd77ae8239366a1d8136f8
SHA1 c4d6cf93a549781757c5048ba9f11127747a55b7
SHA512 2e60005b5abc4ca7a1e1a25bcde758d4fbb3c7bec46034fd28d44d30296dd0e1632103d9a7b0f43041b10cd483b402afa74cb8a61b41f420ccf4a932c5e6ae60
MD5 SHA1 SHA512

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memory/4364-4-0x0000018CB1720000-0x0000018CB2720000-memory.dmp

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memory/4364-12-0x0000018CAFE60000-0x0000018CAFE61000-memory.dmp

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memory/4364-16-0x0000018CAFE60000-0x0000018CAFE61000-memory.dmp

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memory/4364-22-0x0000018CB19A0000-0x0000018CB19B0000-memory.dmp

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memory/4364-23-0x0000018CB19B0000-0x0000018CB19C0000-memory.dmp

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memory/4364-24-0x0000018CB1720000-0x0000018CB2720000-memory.dmp

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memory/4364-25-0x0000018CB1720000-0x0000018CB2720000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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