5cce7edf03dcde21fc0330213930edeec1ae4118130cf9d0af2757812980be58 | Triage

Analysis

max time kernel
137s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 21:13

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General

Target

f8825b22a2ce9b0bc71e1e4bd4856e7f.dll
Size

1.0MB
MD5

f8825b22a2ce9b0bc71e1e4bd4856e7f
SHA1

cd9636ec64b182ab32bd812e494d9b9e6adf9976
SHA256

5cce7edf03dcde21fc0330213930edeec1ae4118130cf9d0af2757812980be58
SHA512

ef07c735d3d3754b5364bbd6abf58590747f9e85a1434d2c5a9cc664b5b3f7e2421f28afdd3532b6e3a5f03c8c6e7b99a599abb9baca8355a596fbf51d015387
SSDEEP

24576:DiPtyOE7oU5+Buxi5TFKBDtO24N+ioS8SeCGCD+D:S87Xi5TkHO24N+S8Oy

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/4068-0-0x0000000074C10000-0x0000000074E67000-memory.dmp	upx
behavioral2/memory/4068-1-0x0000000074C10000-0x0000000074E67000-memory.dmp	upx
behavioral2/memory/4068-3-0x0000000074C10000-0x0000000074E67000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3776	4068	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 4068	1952	rundll32.exe	90
PID 1952 wrote to memory of 4068	1952	rundll32.exe	90
PID 1952 wrote to memory of 4068	1952	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8825b22a2ce9b0bc71e1e4bd4856e7f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8825b22a2ce9b0bc71e1e4bd4856e7f.dll,#1
  2⤵
  PID:4068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 880
    3⤵
    - Program crash
    PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4068 -ip 4068
1⤵
PID:3500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4068 -ip 4068
1⤵
PID:2076

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4068-0-0x0000000074C10000-0x0000000074E67000-memory.dmp

Filesize
2.3MB

Download
memory/4068-1-0x0000000074C10000-0x0000000074E67000-memory.dmp

Filesize
2.3MB

Download
memory/4068-3-0x0000000074C10000-0x0000000074E67000-memory.dmp

Filesize
2.3MB

Download