31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5

Analysis

max time kernel
151s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 18:47

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General

Target

31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar
Size

1.5MB
MD5

dff517cbd7e11f407ce645473c6f7e38
SHA1

55a19171a7c097f6e6133110a6e4e848ea351581
SHA256

31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5
SHA512

22b47a53b12c02a0158886db64c8a30084846b16295cbeee5a103832532052987bdfc7bdf353b385ac0b134cd7ded039f5f539698194fea77dc359528afbc36d
SSDEEP

24576:c9Fb4I81RdzrU2ypQtkLdwGFjNh876o1qXmneXri1EkEUpKSC1TmaWYdNnMhpjy:cfb4I8bdvR5RGhN86YwoErUpKjiaW0EG

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar	java.exe

Loads dropped DLL 1 IoCs

pid	Process
1388	java.exe

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-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar = "C:\\Users\\Admin\\31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar"	REG.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1388	java.exe
1388	java.exe
1388	java.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 784	1388	java.exe	28
PID 1388 wrote to memory of 784	1388	java.exe	28
PID 1388 wrote to memory of 784	1388	java.exe	28

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\system32\REG.exe
  REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar" /t REG_SZ /F /D "C:\Users\Admin\31000c9a6e90186c9929aa830be425f71460043b11b93101318deb7a51f4aff5.jar"
  2⤵
  - Adds Run key to start application
  PID:784

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

\Users\Admin\AppData\Local\Temp\JNativeHook_3122795942215640442.dll

Filesize
57KB

MD5
d12501aaf90c14a87678c1199c332694

SHA1
47a09b3b92928d9076ad162d2f03f3426fe38095

SHA256
fc23a64cc52f5b19e310a8d96b1fbfec981310359bda907f5931a53360485fbc

SHA512
ee0cc22ba3c28fdf1cfd1721b466f8ccd0ac590ea37f7be77a8c7e8ed9aa7ee563921b2106e9ca05cd606706eaf17b4f835053104da4567b75f1f6ccb7e6ce94

Download Submit
memory/1388-54-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

Filesize
8KB

Download
memory/1388-64-0x0000000002330000-0x0000000005330000-memory.dmp

Filesize
48.0MB

Download
memory/1388-69-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download
memory/1388-70-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download
memory/1388-71-0x0000000002330000-0x0000000005330000-memory.dmp

Filesize
48.0MB

Download
memory/1388-75-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download
memory/1388-76-0x0000000000190000-0x000000000019A000-memory.dmp

Filesize
40KB

Download