bazarloader | aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:01

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General

Target

1f45bcf1fb8b7ef74a57d19a371f41cf.dll
Size

1.3MB
MD5

1f45bcf1fb8b7ef74a57d19a371f41cf
SHA1

9b7f346a04f8481c22fb6f8853f76349402a7009
SHA256

aee116011409a5bec7d356bd8f704df0a361fb029bf20178d49e02607798d9a1
SHA512

6cdbc392b650420d9238d7400956fa41ec9ede827576b9023b977e232dd18b3dd72f36082fc6cdb5af7f62868b0bd00e9b718522799467c674efb6202a169f9f
SSDEEP

24576:ax12nIqqCgOgFO9fccuUMHKv+i7e1LXEdFoGzIyXjxeKr:aYIqJPV9fcHqmGSr9or

Score

10^/10

bazarloader dropper loader

Malware Config

Signatures

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

Bazar/Team9 Loader payload 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2332-0-0x0000000027AF0000-0x0000000027B54000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2332-1-0x00007FF846370000-0x00007FF846512000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2332-9-0x00007FF846370000-0x00007FF846512000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2332-10-0x0000000027AF0000-0x0000000027B54000-memory.dmp	BazarLoaderVar3
behavioral2/memory/1960-11-0x0000000027BC0000-0x0000000027C24000-memory.dmp	BazarLoaderVar3
behavioral2/memory/1960-12-0x00007FF846370000-0x00007FF846512000-memory.dmp	BazarLoaderVar3
behavioral2/memory/1960-17-0x00007FF846370000-0x00007FF846512000-memory.dmp	BazarLoaderVar3
behavioral2/memory/1960-18-0x0000000027BC0000-0x0000000027C24000-memory.dmp	BazarLoaderVar3

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4808 reg.exe
Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

4936 PING.EXE
3456 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

1960 regsvr32.exe
1960 regsvr32.exe

pid	process
4808	reg.exe

pid	process
4936	PING.EXE
3456	PING.EXE

pid	process
1960	regsvr32.exe
1960	regsvr32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

regsvr32.execmd.exeregsvr32.exe

description	pid	process	target process
PID 2332 wrote to memory of 208	2332	regsvr32.exe	cmd.exe
PID 2332 wrote to memory of 208	2332	regsvr32.exe	cmd.exe
PID 208 wrote to memory of 4936	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 4936	208	cmd.exe	PING.EXE
PID 208 wrote to memory of 1960	208	cmd.exe	regsvr32.exe
PID 208 wrote to memory of 1960	208	cmd.exe	regsvr32.exe
PID 1960 wrote to memory of 2268	1960	regsvr32.exe	cmd.exe
PID 1960 wrote to memory of 2268	1960	regsvr32.exe	cmd.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\system32\cmd.exe
  cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\1f45bcf1fb8b7ef74a57d19a371f41cf.dll" mscp ahis
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c echo %temp%
      4⤵
      PID:2268
  - - C:\Windows\system32\cmd.exe
      cmd /c ping 127.0.0.1 -n 8 & "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe" mscp arih & exit
      4⤵
      PID:2916
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe\" mscp arih"
      4⤵
      PID:3056

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
1⤵
- Runs ping.exe
PID:4936

C:\Windows\system32\PING.EXE
ping 127.0.0.1 -n 8
1⤵
- Runs ping.exe
PID:3456

C:\Windows\system32\reg.exe
reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v RealtechUpdate /t REG_SZ /d "\"C:\Windows\system32\regsvr32.exe\" /s \"C:\Users\Admin\AppData\Local\Temp\Damp\ahlucfl.exe\" mscp arih"
1⤵
- Modifies registry key
PID:4808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-11-0x0000000027BC0000-0x0000000027C24000-memory.dmp

Filesize
400KB

Download
memory/1960-12-0x00007FF846370000-0x00007FF846512000-memory.dmp

Filesize
1.6MB

Download
memory/1960-17-0x00007FF846370000-0x00007FF846512000-memory.dmp

Filesize
1.6MB

Download
memory/1960-18-0x0000000027BC0000-0x0000000027C24000-memory.dmp

Filesize
400KB

Download
memory/2332-0-0x0000000027AF0000-0x0000000027B54000-memory.dmp

Filesize
400KB

Download
memory/2332-1-0x00007FF846370000-0x00007FF846512000-memory.dmp

Filesize
1.6MB

Download
memory/2332-9-0x00007FF846370000-0x00007FF846512000-memory.dmp

Filesize
1.6MB

Download
memory/2332-10-0x0000000027AF0000-0x0000000027B54000-memory.dmp

Filesize
400KB

Download