f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129

Analysis

max time kernel
137s
max time network
144s
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, 05:10

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General

Target
f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129.jar
Size 3.8MB
Sample240212-ftnvnseh38
SHA256 f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129
MD5 8eaf647dfb34faa67b34b3af95774dc4
SHA1 d96ae71d90a4b1af9fd951de2974e2ba135b51fe
SHA512 784e1d738fbf105457db00a1863fc826640b579315f652c8abd3d2b0014e4a677f75d06d6ab11fbe882b2486914597fa20686b4a1576f667ea6f9d473fd0c6ae
SSDEEP 98304:DP+7oAwItpzdgj2WistOIk8AevgvmgCFBpxex7cU:j+75wI/wicBWeo7Cxxg
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
4832	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\\1707725810426.tmp"	reg.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
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\symbols\dll\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\dll\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
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\server\ntdll.pdb	java.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	java.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3448	java.exe
3448	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4832	3448	java.exe	84
PID 3448 wrote to memory of 4832	3448	java.exe	84
PID 3448 wrote to memory of 5100	3448	java.exe	90
PID 3448 wrote to memory of 5100	3448	java.exe	90
PID 3448 wrote to memory of 1044	3448	java.exe	91
PID 3448 wrote to memory of 1044	3448	java.exe	91
PID 1044 wrote to memory of 3764	1044	cmd.exe	93
PID 1044 wrote to memory of 3764	1044	cmd.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5100	attrib.exe

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:3448
- 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:4832
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1707725810426.tmp
  2⤵
  - Views/modifies file attributes
  PID:5100
- 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\1707725810426.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1044
- - 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\1707725810426.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:3764

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 f2d83f3359ed824d10d487f978e1ea3319c458f1b339e5a090d414fdcc0f54d3
MD5 5ae544752f4c01f55570b3cab3499f55
SHA1 2129dab22aa1b1b547464f578d5c994de2dff689
SHA512 f09f7a5501f2711fde5ba3f01e0ab3e8373e02c683ddd07821d5e6f1491edd89c38f99661826ab4b8e4112b38cc25341befe76dee77b3a5396aedb6276e99fd4
MD5 SHA1 SHA512

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1707725810426.tmp

Path C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1707725810426.tmp
Size 3.8MB
SHA256 f096109b5e23f6a1e0c3388d14faf00b1c4be8af5498b11548c8731b96259129
MD5 8eaf647dfb34faa67b34b3af95774dc4
SHA1 d96ae71d90a4b1af9fd951de2974e2ba135b51fe
SHA512 784e1d738fbf105457db00a1863fc826640b579315f652c8abd3d2b0014e4a677f75d06d6ab11fbe882b2486914597fa20686b4a1576f667ea6f9d473fd0c6ae
SSDEEP 98304:DP+7oAwItpzdgj2WistOIk8AevgvmgCFBpxex7cU:j+75wI/wicBWeo7Cxxg
MD5 SHA1 SHA512 SSDEEP

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memory/3448-50-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-12-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-24-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-41-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-44-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-47-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-2-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-20-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-54-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-55-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-59-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-61-0x00000257AB9C0000-0x00000257AB9C1000-memory.dmp

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memory/3448-66-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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memory/3448-80-0x00000257AD1F0000-0x00000257AE1F0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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