bazarloader | 2b4cb47f7eaf92391b2f59955771d0ef2c97e5dfe4b5087fbe2db57fe11f045a

Analysis

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 1 IoCs

Processes:

resource	yara_rule
behavioral3/memory/268-55-0x0000000001C40000-0x0000000001C6A000-memory.dmp	BazarLoaderVar5

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

4 268 rundll32.exe
5 268 rundll32.exe
6 268 rundll32.exe
7 268 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1356 wrote to memory of 268	1356	cmd.exe	rundll32.exe
PID 1356 wrote to memory of 268	1356	cmd.exe	rundll32.exe
PID 1356 wrote to memory of 268	1356	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Documents.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" 1.dll,EnterDll
2⤵
- Blocklisted process makes network request
PID:268

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

memory/268-54-0x0000000000000000-mapping.dmp

Download
memory/268-55-0x0000000001C40000-0x0000000001C6A000-memory.dmp

Filesize
168KB

Download
memory/1356-53-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

Filesize
8KB

Download