5f8ef68ce4db869cc4458c4727067422e34fb6b55f50f1959e8877d0484728fb

Analysis

max time kernel
140s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
26-04-2024 19:06

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General

Target

MultiMC/MultiMC.exe
Size

8.8MB
MD5

4ee74c0ca63eeb136a22187b99716124
SHA1

6a631c7962a56639bd575c36db7aed06b10d12a2
SHA256

2b4370ebe060ddd5118544102c4086524adb3c686cb1a8aa3050e5eaeab44ef3
SHA512

97ec33b4f371153d55d3d6f4f0dece5916a16f6cef0e84e7af49a3f3a8a457fa104102b5cc8d7f0771296bc12a0791ac7f8f02a86f1ed689010317cd60d1ea0f
SSDEEP

196608:LbGWIoKmAgFXrqzADUBwYarj1iojUDF4Y9JE2vPVlVPVqLJ1VZVVx5VLm8V8sVVw:eW1pszAeSWTVlVPVqLJ1VZVVx5VLm8Vg

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3584 icacls.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

MultiMC.exe

pid process

808 MultiMC.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MultiMC.exe

pid process

808 MultiMC.exe
808 MultiMC.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MultiMC.exe

pid process

808 MultiMC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

MultiMC.exe

pid process

808 MultiMC.exe
808 MultiMC.exe
808 MultiMC.exe

pid	process
3584	icacls.exe

pid	process
808	MultiMC.exe

pid	process
808	MultiMC.exe
808	MultiMC.exe

pid	process
808	MultiMC.exe

pid	process
808	MultiMC.exe
808	MultiMC.exe
808	MultiMC.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

MultiMC.exejavaw.exe

description	pid	process	target process
PID 808 wrote to memory of 3708	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 3708	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 2944	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 2944	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 944	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 944	808	MultiMC.exe	javaw.exe
PID 3708 wrote to memory of 3584	3708	javaw.exe	icacls.exe
PID 3708 wrote to memory of 3584	3708	javaw.exe	icacls.exe
PID 808 wrote to memory of 4692	808	MultiMC.exe	javaw.exe
PID 808 wrote to memory of 4692	808	MultiMC.exe	javaw.exe

C:\Users\Admin\AppData\Local\Temp\MultiMC\MultiMC.exe
"C:\Users\Admin\AppData\Local\Temp\MultiMC\MultiMC.exe"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808

C:\Program Files\Java\jre-1.8\bin\javaw.exe
"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
2⤵
- Suspicious use of WriteProcessMemory
PID:3708

C:\Windows\system32\icacls.exe
C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
3⤵
- Modifies file permissions
PID:3584

C:\Program Files\Java\jdk-1.8\bin\javaw.exe
"C:\Program Files\Java\jdk-1.8\bin\javaw.exe" -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
2⤵
PID:2944

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe
javaw -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
2⤵
PID:944

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\javaw.exe
javaw -Xms512m -Xmx1024m -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
2⤵
PID:4692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
e09311f603784efcf86db73212c4d0cd

SHA1
51517a67dcab480b23a034bed9acf5240c252ae4

SHA256
7e895bb1dc8cd6131da5774dc9f27cbaa49e5b2e809ab4ff65debd8bc1698be0

SHA512
2b67568ae985de85d623286584e3a443afce012f9d06bd401d94ae0dec541851cc0ffba1962ccfa809da0d044594b89c80bfa72c24ba2b31d39dbab68f461132

Download Submit
C:\ProgramData\Oracle\Java\.oracle_jre_usage\905ebba3a8fc8cc.timestamp

Filesize
50B

MD5
231c87c1b3c1a7e3120828bf69f7b2f2

SHA1
b470b8bb8055c777987dc9e7f427e5b0f4d832b6

SHA256
c8075b40ac4066852cb7804952ac99c4853aa8a3eeaff4ba1cfc863e8b421b5c

SHA512
da5c37c9776fea079778596b30311d0398ec5b49c490d1d2b58b581a3e48a67e170c5a49404ff40bc981ee0db710810fd3f054166698324d69f816ca305dbd25

Download Submit
memory/808-88-0x000000006E600000-0x000000006E674000-memory.dmp

Filesize
464KB

Download
memory/808-106-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/808-12-0x0000000063400000-0x0000000063415000-memory.dmp

Filesize
84KB

Download
memory/808-95-0x0000000067740000-0x000000006779F000-memory.dmp

Filesize
380KB

Download
memory/808-11-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/808-10-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/808-9-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/808-7-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/808-5-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/808-18-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/808-4-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/808-3-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/808-34-0x0000000005490000-0x00000000056A2000-memory.dmp

Filesize
2.1MB

Download
memory/808-2-0x00000000014F0000-0x0000000001A65000-memory.dmp

Filesize
5.5MB

Download
memory/808-103-0x0000000069700000-0x0000000069894000-memory.dmp

Filesize
1.6MB

Download
memory/808-94-0x0000000061B00000-0x0000000061B10000-memory.dmp

Filesize
64KB

Download
memory/808-6-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/808-93-0x00000000626C0000-0x0000000062706000-memory.dmp

Filesize
280KB

Download
memory/808-56-0x0000000006000000-0x0000000006011000-memory.dmp

Filesize
68KB

Download
memory/808-110-0x00000000014F0000-0x0000000001A65000-memory.dmp

Filesize
5.5MB

Download
memory/808-0-0x00000000014F0000-0x0000000001A65000-memory.dmp

Filesize
5.5MB

Download
memory/808-96-0x0000000066AC0000-0x0000000066AD0000-memory.dmp

Filesize
64KB

Download
memory/808-14-0x0000000061DC0000-0x0000000062404000-memory.dmp

Filesize
6.3MB

Download
memory/808-8-0x00000000014F0000-0x0000000001A65000-memory.dmp

Filesize
5.5MB

Download
memory/808-73-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/808-92-0x000000006E840000-0x000000006E852000-memory.dmp

Filesize
72KB

Download
memory/808-91-0x000000006C600000-0x000000006C615000-memory.dmp

Filesize
84KB

Download
memory/808-90-0x0000000006000000-0x0000000006011000-memory.dmp

Filesize
68KB

Download
memory/808-89-0x0000000005490000-0x00000000056A2000-memory.dmp

Filesize
2.1MB

Download
memory/808-85-0x00000000014F0000-0x0000000001A65000-memory.dmp

Filesize
5.5MB

Download
memory/808-87-0x000000006A880000-0x000000006A9F6000-memory.dmp

Filesize
1.5MB

Download
memory/808-86-0x0000000000CD0000-0x0000000000CDC000-memory.dmp

Filesize
48KB

Download
memory/808-84-0x000000006FC40000-0x000000006FD41000-memory.dmp

Filesize
1.0MB

Download
memory/808-83-0x0000000064940000-0x0000000064954000-memory.dmp

Filesize
80KB

Download
memory/808-82-0x0000000061DC0000-0x0000000062404000-memory.dmp

Filesize
6.3MB

Download
memory/808-80-0x000000006E940000-0x000000006E964000-memory.dmp

Filesize
144KB

Download
memory/808-78-0x0000000069700000-0x0000000069894000-memory.dmp

Filesize
1.6MB

Download
memory/808-76-0x0000000061B80000-0x0000000061B98000-memory.dmp

Filesize
96KB

Download
memory/808-81-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/808-79-0x0000000066C00000-0x0000000066C3E000-memory.dmp

Filesize
248KB

Download
memory/808-72-0x0000000000400000-0x0000000000A23000-memory.dmp

Filesize
6.1MB

Download
memory/944-53-0x000001D7111A0000-0x000001D7111A1000-memory.dmp

Filesize
4KB

Download
memory/2944-52-0x000002983AE10000-0x000002983AE11000-memory.dmp

Filesize
4KB

Download
memory/3708-49-0x000001EC3BD40000-0x000001EC3BD41000-memory.dmp

Filesize
4KB

Download
memory/4692-70-0x0000023FF7560000-0x0000023FF7561000-memory.dmp

Filesize
4KB

Download