5541dc1c84b41dd0f372e04fcf1cafac268751b8794e9fc08f96cc741876981e

Analysis

max time kernel
173s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 03:36

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General

Target

5541dc1c84b41dd0f372e04fcf1cafac268751b8794e9fc08f96cc741876981e.jar
Size

155KB
MD5

3cdb24fe02d9cdc49831a2c9884eeda0
SHA1

29ed60418b86b77c2cc1b817d075d77e41687923
SHA256

5541dc1c84b41dd0f372e04fcf1cafac268751b8794e9fc08f96cc741876981e
SHA512

bd71fe32154729ad4512d7d7e8c571ec430a9e869922930729a57d9ad2410182fe911949a61abc802fb4d80e54e48eede0c8e7ab464d767a32b49b812a413754

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

Processes:

REG.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Adobe Java bridge = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\AIR\\jre13v3bridge.jar"	REG.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3484 REG.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

java.exe

pid process

4292 java.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

java.exe

description pid process target process

PID 4292 wrote to memory of 3484 4292 java.exe REG.exe
PID 4292 wrote to memory of 3484 4292 java.exe REG.exe

pid	process
3484	REG.exe

pid	process
4292	java.exe

description	pid	process	target process
PID 4292 wrote to memory of 3484	4292	java.exe	REG.exe
PID 4292 wrote to memory of 3484	4292	java.exe	REG.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\5541dc1c84b41dd0f372e04fcf1cafac268751b8794e9fc08f96cc741876981e.jar
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Windows\SYSTEM32\REG.exe
  REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Adobe Java bridge" /d "C:\Users\Admin\AppData\Roaming\Adobe\AIR\jre13v3bridge.jar"
  2⤵
  - Adds Run key to start application
  - Modifies registry key
  PID:3484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3484-140-0x0000000000000000-mapping.dmp

Download
memory/4292-134-0x0000000002780000-0x0000000003780000-memory.dmp

Filesize
16.0MB

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