f24e7915a6cb35e412b4c82dfbff1e7c45bd6ecacab21d4051a95dee08336ea9 | Triage

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2023, 08:28

Sharing

Report Analysis Logs

General

Target

download.dll
Size

19KB
MD5

8ed5ce2bb906db0800620d5a239c81da
SHA1

dd369c3d2e1b99eb7aa51884db2536c1da5c6915
SHA256

6583a1145ebad9de892e6c8e0c0bba2531f4b77ee21107ccef62fece89887961
SHA512

c9f3820c5b9c959623096669c991fcfb0923b3bbb5a0751fc1130f65e9d9150cffe6f878415051a27c7d3dfb2deb7d8efaf0343ba82dbb73ea53966789473b5b
SSDEEP

384:WTHNTvM3gK01SadAir7Z0y/6Nxv0S5ZZlQ5cq9RW3nkwfAHy:qbMwKkvj/Oxv759rq9yk2A

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

resource	yara_rule
behavioral4/memory/3584-133-0x0000000010000000-0x0000000010010000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4520	3584	WerFault.exe	84

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 3584	456	rundll32.exe	84
PID 456 wrote to memory of 3584	456	rundll32.exe	84
PID 456 wrote to memory of 3584	456	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\download.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\download.dll,#1
  2⤵
  PID:3584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 664
    3⤵
    - Program crash
    PID:4520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3584 -ip 3584
1⤵
PID:404

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3584-133-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download