nloader | 93cc5e6a6b671d9b0124ade32ae8b09269de9f03c5c5e66347fbfc7a8c3b305e

Analysis

max time kernel
36s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 20:33

Target
4123.do1.dll
Size 48KB
Sample221001-zbveaafffp
SHA256 93cc5e6a6b671d9b0124ade32ae8b09269de9f03c5c5e66347fbfc7a8c3b305e
MD5 f776deb4df137b37dcae5406c8f3a07a
SHA1 f6a31b594fca39c118927405fa4d14353b8fd49a
SHA512 4077b4214b4683bb4776d470027e61fcc3cb3e78beb9377674e4a4de9115d52911e39cb29a566ab446c6962a252ce01020ffd616b5854a9d8230414262bfafe2
SSDEEP 768:fw2jnhaqqUgQeONXr27iLAkfP69FyfQZWBS:hjnEQeON727CA2G
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nloader loader

Nloader
Simple loader that includes the keyword 'campo' in the URL used to download other families.
loader nloader

Nloader payload 4 IoCs

resource	yara_rule
behavioral1/memory/1872-56-0x0000000000100000-0x0000000000109000-memory.dmp	nloader
behavioral1/memory/1872-60-0x0000000000110000-0x0000000000117000-memory.dmp	nloader
behavioral1/memory/1872-63-0x0000000000130000-0x0000000000135000-memory.dmp	nloader
behavioral1/memory/1872-66-0x00000000000F0000-0x00000000000F6000-memory.dmp	nloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
964	1872	WerFault.exe	27

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1168 wrote to memory of 1872	1168	rundll32.exe	27
PID 1872 wrote to memory of 964	1872	rundll32.exe	28
PID 1872 wrote to memory of 964	1872	rundll32.exe	28
PID 1872 wrote to memory of 964	1872	rundll32.exe	28
PID 1872 wrote to memory of 964	1872	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4123.do1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4123.do1.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 456
    3⤵
    - Program crash
    PID:964

memory/1872-55-0x0000000075571000-0x0000000075573000-memory.dmp

Download

memory/1872-56-0x0000000000100000-0x0000000000109000-memory.dmp

Download

memory/1872-60-0x0000000000110000-0x0000000000117000-memory.dmp

Download

memory/1872-63-0x0000000000130000-0x0000000000135000-memory.dmp

Download

memory/1872-66-0x00000000000F0000-0x00000000000F6000-memory.dmp

Download