40702b0d2a57d292c5bdfbf1ab1db3da71dacc942dc6838b10458f185800d6e5 | Triage

Analysis

max time kernel
114s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2023 20:34

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General

Target

MultiBit/_bz2.dll
Size

78KB
MD5

936c16d3a7772f6e3aabde834f910e10
SHA1

5e1d790c53de6aea775e816e41987267b45e2b2e
SHA256

72d24d755142eb06aa3e6a03a63217ed66b141c16d898405dd01dafff69aa8de
SHA512

130bc5742dd07b80568f8cb0e44723369b65bb31abe542833e972b70b8d4f22b92bf984dc4718931d9902e2831fbed06abde6defa1aa7d6c0ac25e5ab5659992
SSDEEP

1536:bhELX4fbkyzMI3miCTlar1v1y8/FCCqS8tVIWtVv5J7SyYt:iLkkyzv3o0p1F/ECqS8tVIWtVb+t

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4460 1796 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4380 wrote to memory of 1796	4380	rundll32.exe	rundll32.exe
PID 4380 wrote to memory of 1796	4380	rundll32.exe	rundll32.exe
PID 4380 wrote to memory of 1796	4380	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiBit\_bz2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiBit\_bz2.dll,#1
2⤵
PID:1796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 640
3⤵
- Program crash
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1796 -ip 1796
1⤵
PID:4536

Network

MITRE ATT&CK Matrix

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