6ccb56fdec207fb2d84636fea46a3de0d5afc871a4c8d45acf5093899f949a3d

Analysis

max time kernel
305s
max time network
311s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04-02-2023 13:49

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Report Analysis Logs

General

Target

MultiMC/MultiMC.exe
Size

8.7MB
MD5

d3647145b55987c3ac96399aab41ad07
SHA1

42c573391ac5c71dcb4a3b0ec2fdf9f76d6c75fc
SHA256

7559f773f58b8e08b792553af346508c4327f14526b02a0c49f1227c54897ee1
SHA512

8808064567365fb0b551f5645b90e79581c60cd5441eae7225b4e9fd74156bd955bb3f31d0dfacc1637abdd1a2e706fee1a9e35ed5d5cf01e64a3dd9bd92f2a5
SSDEEP

196608:UVg0QLYZwthw9woY6C1KO6ATk2JztIUZQIweHCHy5aR4VhV/BjzVPVVDSwVADlVg:uzdjC1keiSVhV/BjzVPVVDSwVADlVVh0

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings firefox.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

MultiMC.exe

pid process

2388 MultiMC.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MultiMC.exe

pid process

2388 MultiMC.exe
2388 MultiMC.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

MultiMC.exe

pid process

2388 MultiMC.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings	firefox.exe

pid	process
2388	MultiMC.exe

pid	process
2388	MultiMC.exe
2388	MultiMC.exe

pid	process
2388	MultiMC.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

AUDIODG.EXEfirefox.exe

description	pid	process
Token: 33	4752	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	4752	AUDIODG.EXE
Token: SeDebugPrivilege	4828	firefox.exe
Token: SeDebugPrivilege	4828	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

4828 firefox.exe
4828 firefox.exe
4828 firefox.exe
4828 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

4828 firefox.exe
4828 firefox.exe
4828 firefox.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

MultiMC.exefirefox.exe

pid process

2388 MultiMC.exe
2388 MultiMC.exe
2388 MultiMC.exe
2388 MultiMC.exe
4828 firefox.exe

pid	process
4828	firefox.exe
4828	firefox.exe
4828	firefox.exe
4828	firefox.exe

pid	process
4828	firefox.exe
4828	firefox.exe
4828	firefox.exe

pid	process
2388	MultiMC.exe
2388	MultiMC.exe
2388	MultiMC.exe
2388	MultiMC.exe
4828	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

MultiMC.exefirefox.exefirefox.exe

description	pid	process	target process
PID 2388 wrote to memory of 4060	2388	MultiMC.exe	javaw.exe
PID 2388 wrote to memory of 4060	2388	MultiMC.exe	javaw.exe
PID 2388 wrote to memory of 432	2388	MultiMC.exe	javaw.exe
PID 2388 wrote to memory of 432	2388	MultiMC.exe	javaw.exe
PID 2388 wrote to memory of 1008	2388	MultiMC.exe	javaw.exe
PID 2388 wrote to memory of 1008	2388	MultiMC.exe	javaw.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4932 wrote to memory of 4828	4932	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1392	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1392	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 2232	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1924	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1924	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1924	4828	firefox.exe	firefox.exe
PID 4828 wrote to memory of 1924	4828	firefox.exe	firefox.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:2388
- C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
  "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
  2⤵
  PID:4060
- C:\Program Files\Java\jdk1.8.0_66\bin\javaw.exe
  "C:\Program Files\Java\jdk1.8.0_66\bin\javaw.exe" -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
  2⤵
  PID:432
- C:\ProgramData\Oracle\Java\javapath\javaw.exe
  javaw -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
  2⤵
  PID:1008

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3dc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4752

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe"
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4828.0.1629306752\1940950275" -parentBuildID 20200403170909 -prefsHandle 1524 -prefMapHandle 1516 -prefsLen 1 -prefMapSize 219938 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4828 "\\.\pipe\gecko-crash-server-pipe.4828" 1616 gpu
    3⤵
    PID:1392
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4828.3.713485567\2138855736" -childID 1 -isForBrowser -prefsHandle 2276 -prefMapHandle 2272 -prefsLen 156 -prefMapSize 219938 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4828 "\\.\pipe\gecko-crash-server-pipe.4828" 2288 tab
    3⤵
    PID:2232
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4828.13.1450270148\282602037" -childID 2 -isForBrowser -prefsHandle 3392 -prefMapHandle 3388 -prefsLen 6938 -prefMapSize 219938 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4828 "\\.\pipe\gecko-crash-server-pipe.4828" 3316 tab
    3⤵
    PID:1924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/432-238-0x0000000000000000-mapping.dmp

Download
memory/1008-239-0x0000000000000000-mapping.dmp

Download
memory/1008-263-0x00000000032C0000-0x00000000042C0000-memory.dmp

Filesize
16.0MB

Download
memory/1008-282-0x00000000032C0000-0x00000000042C0000-memory.dmp

Filesize
16.0MB

Download
memory/2388-120-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-121-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-122-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-123-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-124-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-125-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-127-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-128-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-130-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-132-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-134-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-133-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-131-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-129-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-136-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-137-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-138-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-139-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-135-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-126-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-140-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-142-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-143-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-144-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-148-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-150-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-151-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-149-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-146-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-147-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-152-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-145-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-141-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-153-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-154-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-156-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-155-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-157-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-158-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-159-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-162-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-163-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-161-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-165-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-164-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-166-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-160-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-167-0x0000000001410000-0x0000000001985000-memory.dmp

Filesize
5.5MB

Download
memory/2388-171-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-170-0x0000000000031000-0x0000000000033000-memory.dmp

Filesize
8KB

Download
memory/2388-169-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-172-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-173-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-174-0x0000000001410000-0x0000000001985000-memory.dmp

Filesize
5.5MB

Download
memory/2388-177-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/2388-176-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/2388-175-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/2388-178-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/2388-179-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/2388-182-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/2388-184-0x0000000063400000-0x0000000063415000-memory.dmp

Filesize
84KB

Download
memory/2388-185-0x0000000061DC0000-0x0000000062404000-memory.dmp

Filesize
6.3MB

Download
memory/2388-183-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/2388-186-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-188-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-187-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/2388-189-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-190-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-181-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/2388-180-0x0000000001410000-0x0000000001985000-memory.dmp

Filesize
5.5MB

Download
memory/2388-191-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2388-222-0x0000000068880000-0x0000000068DAF000-memory.dmp

Filesize
5.2MB

Download
memory/2388-227-0x0000000063400000-0x0000000063415000-memory.dmp

Filesize
84KB

Download
memory/2388-228-0x0000000061DC0000-0x0000000062404000-memory.dmp

Filesize
6.3MB

Download
memory/2388-226-0x000000006C8C0000-0x000000006C8FF000-memory.dmp

Filesize
252KB

Download
memory/2388-225-0x0000000061740000-0x0000000061771000-memory.dmp

Filesize
196KB

Download
memory/2388-229-0x0000000000400000-0x0000000000A0B000-memory.dmp

Filesize
6.0MB

Download
memory/2388-224-0x0000000070940000-0x000000007095C000-memory.dmp

Filesize
112KB

Download
memory/2388-223-0x0000000001410000-0x0000000001985000-memory.dmp

Filesize
5.5MB

Download
memory/2388-283-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/4060-236-0x0000000000000000-mapping.dmp

Download