fc8a8c40baef56b6f5005535f9c114beb9677da4ac69fc43e64fcd19fdc775b6

Analysis

max time kernel
83s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2023 18:54

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General

Target

receipt.pdf.jar
Size

669KB
MD5

976a2c3925351014acd416c553a321bb
SHA1

6c9b83fb2b500875261b6debec4038b20574903f
SHA256

fc8a8c40baef56b6f5005535f9c114beb9677da4ac69fc43e64fcd19fdc775b6
SHA512

f052160c4a4c6b14043ed90484ef6f0396a07945825ecaf1ba4a9d9d70e04da33c8cd39c6cdd5720a025c908016052d9452a3c4d5f59310bb43f3fda631dfe1d
SSDEEP

12288:JHwP4OQmR27s/+mNllHP/6jaR1z5oORVoyvjwHuLsjJVT+B:V7OQmR27m+GP/6jaRV5XoyvjZHB

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1680116074984.tmp"	reg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2600	java.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2060	2600	java.exe	85
PID 2600 wrote to memory of 2060	2600	java.exe	85
PID 2600 wrote to memory of 212	2600	java.exe	87
PID 2600 wrote to memory of 212	2600	java.exe	87
PID 212 wrote to memory of 2380	212	cmd.exe	89
PID 212 wrote to memory of 2380	212	cmd.exe	89

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2060	attrib.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\receipt.pdf.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1680116074984.tmp
  2⤵
  - Views/modifies file attributes
  PID:2060
- 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\jre1.8.0_66\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1680116074984.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:212
- - C:\Windows\system32\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1680116074984.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:2380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1680116074984.tmp

Filesize
669KB

MD5
976a2c3925351014acd416c553a321bb

SHA1
6c9b83fb2b500875261b6debec4038b20574903f

SHA256
fc8a8c40baef56b6f5005535f9c114beb9677da4ac69fc43e64fcd19fdc775b6

SHA512
f052160c4a4c6b14043ed90484ef6f0396a07945825ecaf1ba4a9d9d70e04da33c8cd39c6cdd5720a025c908016052d9452a3c4d5f59310bb43f3fda631dfe1d

Download Submit
memory/2600-149-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download
memory/2600-164-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download
memory/2600-166-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads