a1962d9109023ef685d8c52ef137a011965bbfa69ec72b44757d29cd9cbfbd24

Analysis

max time kernel
379s
max time network
886s
platform
windows10-1703_x64
resource
win10-20220812-es
resource tags

arch:x64arch:x86image:win10-20220812-eslocale:es-esos:windows10-1703-x64systemwindows
submitted
09-01-2023 00:46

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General

Target

UltimMC/libgcc_s_dw2-1.dll
Size

117KB
MD5

fadde43c97607e4445a6f924d851f04e
SHA1

36c1aa0e1b6d4a322c350f5e502c10c64c203041
SHA256

f0614835136413217ed3baec9ba22aaac4c37956afcb0209f1f89b7676ae86bc
SHA512

66f5637419f88070838ed522defad9aa1b46dd4fd8cb045e0292742831520740d152795b6e99770f34061db596019ef3a342a956b541180e78d1c48b2703f42c
SSDEEP

1536:CxINSJvU82V9dUT4PsXQ+2Q4p2VtjByBzEj6zu3PEhOKeLTxaek:CzmpUkPsXQ+2zsBy9IPEh6Zaek

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1672 3136 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1672	3136	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2968 wrote to memory of 3136	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 3136	2968	rundll32.exe	rundll32.exe
PID 2968 wrote to memory of 3136	2968	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
  2⤵
  PID:3136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 636
    3⤵
    - Program crash
    PID:1672

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3136-118-0x0000000000000000-mapping.dmp

Download
memory/3136-119-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-120-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-121-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-122-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-123-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-124-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-125-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-126-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-127-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-128-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-129-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-130-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-131-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-132-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-133-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-134-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-135-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-136-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-138-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-137-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-139-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-140-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-141-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-143-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-144-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-145-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-142-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-146-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-147-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-148-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-149-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-150-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-153-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-152-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-151-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-154-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-155-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-156-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-157-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-158-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-159-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-160-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-162-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download
memory/3136-161-0x0000000077890000-0x0000000077A1E000-memory.dmp

Filesize
1.6MB

Download