0a49dcb0aef84220cd42b1a3540d48be5556e01a1b5a303af16a3e891e29aef3

Analysis

max time kernel
95s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/02/2024, 01:52

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General

Target
hai1723.jar
Size 640KB
Sample240209-cajj3aeb5s
SHA256 0a49dcb0aef84220cd42b1a3540d48be5556e01a1b5a303af16a3e891e29aef3
MD5 d3923bc2b4eb3b83fb9dd764e28118a7
SHA1 2740b6cc6015adf5bc0a5134f436692f819e6b6d
SHA512 ab0b2ab602b0b1008c29e79f4de8886c1c904f47cbb0846330a3ede12c5709df5532427509255a609a0267cf1a51f5ce21770c18a3488e48ac8c0670d81620ed
SSDEEP 12288:EfuWQk/MGwD+v4XOACJXgg/FR/+BQmNWtxgQlCRyD3Suc2FoSPLD8Cm:EfRQAID64+LXggfqlWtOu/SuhFzPLD85
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
2680	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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1707443638974.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1596	java.exe
1596	java.exe
1596	java.exe
1596	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 2680	1596	java.exe	85
PID 1596 wrote to memory of 2680	1596	java.exe	85
PID 1596 wrote to memory of 368	1596	java.exe	87
PID 1596 wrote to memory of 368	1596	java.exe	87
PID 1596 wrote to memory of 4968	1596	java.exe	89
PID 1596 wrote to memory of 4968	1596	java.exe	89
PID 4968 wrote to memory of 2232	4968	cmd.exe	91
PID 4968 wrote to memory of 2232	4968	cmd.exe	91

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
368	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\hai1723.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1596
- 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:2680
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1707443638974.tmp
  2⤵
  - Views/modifies file attributes
  PID:368
- 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\1707443638974.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4968
- - 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\1707443638974.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:2232

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

1707443638974.tmp

Path C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1707443638974.tmp
Size 640KB
SHA256 0a49dcb0aef84220cd42b1a3540d48be5556e01a1b5a303af16a3e891e29aef3
MD5 d3923bc2b4eb3b83fb9dd764e28118a7
SHA1 2740b6cc6015adf5bc0a5134f436692f819e6b6d
SHA512 ab0b2ab602b0b1008c29e79f4de8886c1c904f47cbb0846330a3ede12c5709df5532427509255a609a0267cf1a51f5ce21770c18a3488e48ac8c0670d81620ed
SSDEEP 12288:EfuWQk/MGwD+v4XOACJXgg/FR/+BQmNWtxgQlCRyD3Suc2FoSPLD8Cm:EfRQAID64+LXggfqlWtOu/SuhFzPLD85
MD5 SHA1 SHA512 SSDEEP

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memory/1596-38-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-52-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-17-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-21-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-29-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-33-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-12-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-39-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-11-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-43-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-2-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-63-0x00000212422F0000-0x00000212432F0000-memory.dmp

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memory/1596-85-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-91-0x0000021240900000-0x0000021240901000-memory.dmp

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memory/1596-98-0x0000021240900000-0x0000021240901000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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