0bdc882b0cc311d814ac582592562f73a225701a474a023ceb8fa92a773fe5a2

Analysis

max time kernel
30s
max time network
27s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2023, 05:01

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General

Target
sorrilus.jar
Size 639KB
Sample231202-fn3rmsaa2s
SHA256 0bdc882b0cc311d814ac582592562f73a225701a474a023ceb8fa92a773fe5a2
MD5 09f5742b867972d346605e5f3da25e7a
SHA1 28ec50f0d3b1c357c5ffced62daa5d5552eb9cd1
SHA512 82997178ce8026eceae0833e04f1c61f863409111e351cbe6b65237bc8efb67bd8ff6bfdc1452597f540bd25a7a8b1df629a78b7fa43950b9c59d2c986f8a5c4
SSDEEP 12288:dbZ6QA/gSgPmP4jWEuVHgY/NRr+ZseN2BNg0VGR2/3Su42Z4S3XDI/:dbQQM8PO4y3HgY3uN2BSybSu1ZD3XDI/
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
1000	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-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1701493342448.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3032	java.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1000	3032	java.exe	89
PID 3032 wrote to memory of 1000	3032	java.exe	89
PID 3032 wrote to memory of 2104	3032	java.exe	94
PID 3032 wrote to memory of 2104	3032	java.exe	94
PID 3032 wrote to memory of 1288	3032	java.exe	96
PID 3032 wrote to memory of 1288	3032	java.exe	96
PID 1288 wrote to memory of 3816	1288	cmd.exe	98
PID 1288 wrote to memory of 3816	1288	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2104	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\sorrilus.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- 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:1000
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1701493342448.tmp
  2⤵
  - Views/modifies file attributes
  PID:2104
- 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\1701493342448.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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\1701493342448.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:3816

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 23f814d73246e066c430212789cd10781b91fd94fcf2188595c1a8d545308a3e
MD5 db6e7029c7f01312a4b8333a6e0fd06f
SHA1 2509057b938604a9c28e01177e2abac39e5a6904
SHA512 7aead95e202b29fb1c1fcb85e29cd9345cf90a8cdd73449a46370dd81b956eb5545547d6d6466762441eb25c6d6369b5fdeab0a8a6ef18f4260210a9b3a52f8f
MD5 SHA1 SHA512

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1701493342448.tmp

Path C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1701493342448.tmp
Size 639KB
SHA256 0bdc882b0cc311d814ac582592562f73a225701a474a023ceb8fa92a773fe5a2
MD5 09f5742b867972d346605e5f3da25e7a
SHA1 28ec50f0d3b1c357c5ffced62daa5d5552eb9cd1
SHA512 82997178ce8026eceae0833e04f1c61f863409111e351cbe6b65237bc8efb67bd8ff6bfdc1452597f540bd25a7a8b1df629a78b7fa43950b9c59d2c986f8a5c4
SSDEEP 12288:dbZ6QA/gSgPmP4jWEuVHgY/NRr+ZseN2BNg0VGR2/3Su42Z4S3XDI/:dbQQM8PO4y3HgY3uN2BSybSu1ZD3XDI/
MD5 SHA1 SHA512 SSDEEP

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memory/3032-4-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-15-0x00000277A24F0000-0x00000277A24F1000-memory.dmp

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memory/3032-20-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-27-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-29-0x00000277A24F0000-0x00000277A24F1000-memory.dmp

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memory/3032-32-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-34-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-35-0x00000277A3E90000-0x00000277A4E90000-memory.dmp

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memory/3032-40-0x00000277A24F0000-0x00000277A24F1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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