bazarloader | 8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad

Analysis

max time kernel
139s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-04-2024 12:35

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General

Target

8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad.dll
Size

1.6MB
MD5

9920efd01b889d5d4143494896af7a5b
SHA1

b4368491e0ddc00c2b7e3be6011a9c0f35e11cc7
SHA256

8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad
SHA512

b6169838cd207f2515471beed2c85d9f476e4e6c320926f0fc7e398093099fc2e944a2f4f83ec2f5e4c6c956429407ec1d22b52f8e8e6f95c99f1f5864040a7b
SSDEEP

24576:NxW7qQxzdXXFpudHeKJnQn65Loehn4zfOMk:Nc7rxpXXFpudHej04zfOb

Score

10^/10

bazarloader dropper loader

Malware Config

Extracted

Family

bazarloader

164.90.221.57

164.90.213.219

159.223.21.94

164.90.213.227

reddew28c.bazar

bluehail.bazar

whitestorm9p.bazar

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

rundll32.execmd.exe

description	pid	process	target process
PID 2704 wrote to memory of 2796	2704	rundll32.exe	cmd.exe
PID 2704 wrote to memory of 2796	2704	rundll32.exe	cmd.exe
PID 2704 wrote to memory of 2796	2704	rundll32.exe	cmd.exe
PID 2796 wrote to memory of 2396	2796	cmd.exe	choice.exe
PID 2796 wrote to memory of 2396	2796	cmd.exe	choice.exe
PID 2796 wrote to memory of 2396	2796	cmd.exe	choice.exe
PID 2796 wrote to memory of 2800	2796	cmd.exe	rundll32.exe
PID 2796 wrote to memory of 2800	2796	cmd.exe	rundll32.exe
PID 2796 wrote to memory of 2800	2796	cmd.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\system32\cmd.exe
cmd /c choice /n /c y /d y /t 9 > NUL & "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad.dll", #1 wdtbkqfe koorgsfd & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\system32\choice.exe
choice /n /c y /d y /t 9
3⤵
PID:2396

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\8d84152b69161bf5abb2f80fef310ec92cc8b1cb23dff18eebd8d039cda8f8ad.dll", #1 wdtbkqfe koorgsfd
3⤵
PID:2800

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2704-0-0x0000000000190000-0x00000000001AF000-memory.dmp

Filesize
124KB

Download
memory/2704-1-0x0000000000190000-0x00000000001AF000-memory.dmp

Filesize
124KB

Download
memory/2704-2-0x0000000000190000-0x00000000001AF000-memory.dmp

Filesize
124KB

Download
memory/2800-3-0x00000000001A0000-0x00000000001BF000-memory.dmp

Filesize
124KB

Download
memory/2800-4-0x00000000001A0000-0x00000000001BF000-memory.dmp

Filesize
124KB

Download