198c817204d7e72e30f7c7778d88c24898e653e54a08bc9ee9e9ecbbe8e79732

Analysis

max time kernel
151s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
14-02-2023 16:59

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General

Target

MultiMC/MultiMC.exe
Size

5.4MB
MD5

528de01921c926aff6a759bc65fd923f
SHA1

03893a37f9a7ebf29a5349c214dc9fe11820bfa8
SHA256

38dbbcb9ebea0599a7419ca63a3cd8177b3b8ed12846e508e276fb60875ce3f7
SHA512

f2a674d22493912cd6f0db0841cac02de9e76e5d9a7a30272f6a8e73d86676b4315a519898da7369618f2a309b07d4df0a0a0f5403cd7ee87fa79bc909ff9f16
SSDEEP

49152:Vzpg4+3qtJyuFNpeF5hpFp97x3uhCZxDIjbsdrp0LcK:Vzl4qLxSF5hjrdbZxD9k

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3844063266-715245855-4050956231-1000_Classes\Local Settings	firefox.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2972	MultiMC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2972	MultiMC.exe
2972	MultiMC.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	MultiMC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	firefox.exe
Token: SeDebugPrivilege	4608	firefox.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
2972	MultiMC.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe

Suspicious use of SetWindowsHookEx 31 IoCs

pid	Process
2972	MultiMC.exe
2972	MultiMC.exe
2972	MultiMC.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe
4608	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4652	2972	MultiMC.exe	69
PID 2972 wrote to memory of 4652	2972	MultiMC.exe	69
PID 2972 wrote to memory of 4676	2972	MultiMC.exe	68
PID 2972 wrote to memory of 4676	2972	MultiMC.exe	68
PID 2972 wrote to memory of 3380	2972	MultiMC.exe	66
PID 2972 wrote to memory of 3380	2972	MultiMC.exe	66
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4272 wrote to memory of 4608	4272	firefox.exe	72
PID 4608 wrote to memory of 3088	4608	firefox.exe	74
PID 4608 wrote to memory of 3088	4608	firefox.exe	74
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 4800	4608	firefox.exe	76
PID 4608 wrote to memory of 1436	4608	firefox.exe	77
PID 4608 wrote to memory of 1436	4608	firefox.exe	77
PID 4608 wrote to memory of 1436	4608	firefox.exe	77
PID 4608 wrote to memory of 1436	4608	firefox.exe	77

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 FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2972
- C:\ProgramData\Oracle\Java\javapath\java.exe
  java -jar C:/Users/Admin/AppData/Local/Temp/MultiMC/jars/JavaCheck.jar
  2⤵
  PID:3380
- 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:4676
- 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:4652

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4272
- 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:4608
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4608.0.1460165462\920435722" -parentBuildID 20200403170909 -prefsHandle 1524 -prefMapHandle 1220 -prefsLen 1 -prefMapSize 220115 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4608 "\\.\pipe\gecko-crash-server-pipe.4608" 1616 gpu
    3⤵
    PID:3088
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4608.3.1561109328\838460589" -childID 1 -isForBrowser -prefsHandle 2184 -prefMapHandle 2180 -prefsLen 156 -prefMapSize 220115 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4608 "\\.\pipe\gecko-crash-server-pipe.4608" 2196 tab
    3⤵
    PID:4800
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4608.13.109331958\72333363" -childID 2 -isForBrowser -prefsHandle 3396 -prefMapHandle 2672 -prefsLen 6938 -prefMapSize 220115 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4608 "\\.\pipe\gecko-crash-server-pipe.4608" 3412 tab
    3⤵
    PID:1436

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/2972-118-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-119-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-120-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-122-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-121-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-123-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-124-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-125-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-126-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-127-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-128-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-129-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-130-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-131-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-133-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-132-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-134-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-136-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-135-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-137-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-138-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-140-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-139-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-142-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-141-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-144-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-143-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-145-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-147-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-146-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-149-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-148-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-150-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-151-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-153-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-152-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-156-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-155-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-154-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-157-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-159-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-158-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-161-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-160-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-164-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-163-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-162-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-165-0x00000000010B0000-0x00000000016F5000-memory.dmp

Filesize
6.3MB

Download
memory/2972-167-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-169-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-168-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-170-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-171-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-172-0x00000000010B0000-0x00000000016F5000-memory.dmp

Filesize
6.3MB

Download
memory/2972-173-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-175-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-174-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-176-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-177-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-178-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-179-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-181-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-183-0x0000000068880000-0x0000000068DAE000-memory.dmp

Filesize
5.2MB

Download
memory/2972-180-0x0000000077220000-0x00000000773AE000-memory.dmp

Filesize
1.6MB

Download
memory/2972-188-0x0000000063100000-0x000000006314F000-memory.dmp

Filesize
316KB

Download
memory/2972-192-0x00000000010B0000-0x00000000016F5000-memory.dmp

Filesize
6.3MB

Download
memory/2972-187-0x0000000061940000-0x0000000061E60000-memory.dmp

Filesize
5.1MB

Download
memory/2972-194-0x0000000000400000-0x00000000006C2000-memory.dmp

Filesize
2.8MB

Download
memory/2972-193-0x0000000068040000-0x0000000068270000-memory.dmp

Filesize
2.2MB

Download
memory/2972-253-0x0000000068880000-0x0000000068DAE000-memory.dmp

Filesize
5.2MB

Download
memory/2972-254-0x0000000061940000-0x0000000061E60000-memory.dmp

Filesize
5.1MB

Download
memory/2972-255-0x00000000010B0000-0x00000000016F5000-memory.dmp

Filesize
6.3MB

Download
memory/2972-256-0x0000000068040000-0x0000000068270000-memory.dmp

Filesize
2.2MB

Download
memory/2972-257-0x0000000000400000-0x00000000006C2000-memory.dmp

Filesize
2.8MB

Download
memory/3380-233-0x0000000000000000-mapping.dmp

Download
memory/4652-231-0x0000000000000000-mapping.dmp

Download
memory/4652-252-0x0000000003050000-0x0000000004050000-memory.dmp

Filesize
16.0MB

Download
memory/4652-258-0x0000000003050000-0x0000000004050000-memory.dmp

Filesize
16.0MB

Download
memory/4676-232-0x0000000000000000-mapping.dmp

Download