083e4682f70dad27fe9ad60839579d7a92e87fbafa544fa3e29367a2743afbe8

Analysis

max time kernel
38s
max time network
39s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 06:35

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General

Target
zer0_topVISUAL.jar
Size 740KB
Sample240501-hcf5lscc72
SHA256 083e4682f70dad27fe9ad60839579d7a92e87fbafa544fa3e29367a2743afbe8
MD5 75b68f78b75eed935272430463446bdd
SHA1 15983d1f983d9444f94d9a61e0ffc0276646a5fd
SHA512 9cd26dbd481246013c30297829a2cebc3a04a34c1dee9336f4b034e94b10c76dca0e8aabf7d139bf72618d71fb296c0ed18c5f878b8b5cf9233c9a80c65c561b
SSDEEP 12288:uzbBQJ/jbt0jp4ZZ41MTgS//Rr+J70NefigqlSRlk38uY2FoS6NDUIycoDVE8G:uz1QJN0d4fbTgSh2Sefj0R8uVFz6NDUI
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3120	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1714545324967.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5000	java.exe
5000	java.exe
5000	java.exe
5000	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3120	5000	java.exe	86
PID 5000 wrote to memory of 3120	5000	java.exe	86
PID 5000 wrote to memory of 4152	5000	java.exe	89
PID 5000 wrote to memory of 4152	5000	java.exe	89
PID 5000 wrote to memory of 5104	5000	java.exe	91
PID 5000 wrote to memory of 5104	5000	java.exe	91
PID 5104 wrote to memory of 4068	5104	cmd.exe	93
PID 5104 wrote to memory of 4068	5104	cmd.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4152	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\zer0_topVISUAL.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000
- 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:3120
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1714545324967.tmp
  2⤵
  - Views/modifies file attributes
  PID:4152
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1714545324967.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Windows\system32\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1714545324967.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

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 c428f2447f49dd35ef37d60083049d28b70fe426b36189eecc6e201934d671a0
MD5 b1d290bc814a9b126925f579507fe11b
SHA1 60ab946a033adc5cdef6c914b6bd79254b286b2c
SHA512 8305dc24afcf3a0e77059477f32f28c98046cf429db77dd9f3037448cff2316a036fb3271129b1b115961a739dd0bbe3be71226db1520383b8d759c24410e88b
MD5 SHA1 SHA512

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1714545324967.tmp

Path C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1714545324967.tmp
Size 740KB
SHA256 083e4682f70dad27fe9ad60839579d7a92e87fbafa544fa3e29367a2743afbe8
MD5 75b68f78b75eed935272430463446bdd
SHA1 15983d1f983d9444f94d9a61e0ffc0276646a5fd
SHA512 9cd26dbd481246013c30297829a2cebc3a04a34c1dee9336f4b034e94b10c76dca0e8aabf7d139bf72618d71fb296c0ed18c5f878b8b5cf9233c9a80c65c561b
SSDEEP 12288:uzbBQJ/jbt0jp4ZZ41MTgS//Rr+J70NefigqlSRlk38uY2FoS6NDUIycoDVE8G:uz1QJN0d4fbTgSh2Sefj0R8uVFz6NDUI
MD5 SHA1 SHA512 SSDEEP

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memory/5000-48-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-49-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-15-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-34-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-39-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-41-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-46-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-47-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-10-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-25-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-57-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-60-0x000001F4F38B0000-0x000001F4F38B1000-memory.dmp

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memory/5000-61-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-62-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-63-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-64-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-65-0x000001F480000000-0x000001F481000000-memory.dmp

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memory/5000-67-0x000001F480000000-0x000001F481000000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads