bazarloader | 50561167909de0e777c5d81ef72d0981b996fe46df881ab34b9b106aabbe7560

Analysis

max time kernel
93s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
30-03-2024 22:09

Target

Documents.lnk
Size

1KB
MD5

db8f42a798dd65d9bd8398c3e2564f06
SHA1

7df618ca8e5e21faf19ece8c2470f62af8e4ea15
SHA256

59b77f3b8d2e7d72c61d522a2bcabbe0b47be3b73e1a4001cb763589a656134c
SHA512

3533442932c0a796de82668f334f264b6aac4f3552eef535caeda4bb7d4feeb7d1789c09424ac3de506a8438ab9d19713ce0272816c5d8b4dd8ae545bc862053

Score

10^/10

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

Bazar/Team9 Loader payload 2 IoCs

Processes:

resource	yara_rule
behavioral4/memory/1196-0-0x0000000180000000-0x000000018002A000-memory.dmp	BazarLoaderVar5
behavioral4/memory/1196-1-0x0000000180000000-0x000000018002A000-memory.dmp	BazarLoaderVar5

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

cmd.exe

description pid process target process

PID 4100 wrote to memory of 1196 4100 cmd.exe rundll32.exe
PID 4100 wrote to memory of 1196 4100 cmd.exe rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation	cmd.exe

description	pid	process	target process
PID 4100 wrote to memory of 1196	4100	cmd.exe	rundll32.exe
PID 4100 wrote to memory of 1196	4100	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Documents.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" 1.dll,EnterDll
  2⤵
  PID:1196

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1196-0-0x0000000180000000-0x000000018002A000-memory.dmp

Filesize
168KB

Download
memory/1196-1-0x0000000180000000-0x000000018002A000-memory.dmp

Filesize
168KB

Download