14a3894cd6a6e321d3a07c5b7a2bd22cad174f55feef3b6b6e2279fc5ea66ee8

Analysis

max time kernel
22s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 18:48

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General

Target

远程监控/LZMA/Stubs/lzma.exe
Size

38KB
MD5

775d7a348a4fcb8eca288eb49409cd71
SHA1

154b11656fb024eb9db898b9ff6de5892a18bae7
SHA256

d0f58218a9bc51451b1c442e0ece151455b99e4c7a8e3a424693dae9bc89dfee
SHA512

0e33028f4487e47e95cd8d862d2dfd20243f4c18ff6f2f6a0174539bc385e1c7fe64ec956f44bd61d7f5982cae4f16e9bc5707f9d5e5c49730ccbd38ed48c2fd
SSDEEP

768:do8V6JE2W6aCEzK6rbpwSKIUY0TdyHIUlXyBFbPJh6S9a6ai:PYJE25aDNXUY6u94PJh6k

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1376 1964 WerFault.exe lzma.exe

pid	pid_target	process	target process
1376	1964	WerFault.exe	lzma.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

lzma.exe

description	pid	process	target process
PID 1964 wrote to memory of 1376	1964	lzma.exe	WerFault.exe
PID 1964 wrote to memory of 1376	1964	lzma.exe	WerFault.exe
PID 1964 wrote to memory of 1376	1964	lzma.exe	WerFault.exe
PID 1964 wrote to memory of 1376	1964	lzma.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Stubs\lzma.exe
"C:\Users\Admin\AppData\Local\Temp\远程监控\LZMA\Stubs\lzma.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 412
2⤵
- Program crash
PID:1376

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1376-56-0x0000000000000000-mapping.dmp

Download
memory/1964-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1964-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1964-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download