bazarloader | 878042c415ec1cb62d14e8b0f79fce6838e0813790546f7dd20eae65e9b9c8a2

Analysis

max time kernel
130s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-04-2024 05:38

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General

Target

Documents.lnk
Size

1KB
MD5

ec51abdb23fa981e42880f7f5b14e3cb
SHA1

23d8a6518881e1a674f61c8770f1d61fb41a028a
SHA256

8af83f0076068afdb43cab960420aaf65d8babbe122fde780f8db33fce19a636
SHA512

e6b7441c0cf7e5a2c342a6980debf0f29747178f908979abeb8becaa087c71d10c5a181922ab46c576424ec1cc75085d2effec74def59ecb38701dd832585ebf

Score

10^/10

bazarloader dropper loader

Malware Config

Extracted

Family

bazarloader

167.172.108.158

64.227.66.10

134.209.91.22

167.172.108.213

blackrain15.bazar

reddew28c.bazar

bluehail.bazar

whitestorm9p.bazar

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2684	timeout.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2868	2928	cmd.exe	29
PID 2928 wrote to memory of 2868	2928	cmd.exe	29
PID 2928 wrote to memory of 2868	2928	cmd.exe	29
PID 2868 wrote to memory of 2500	2868	rundll32.exe	32
PID 2868 wrote to memory of 2500	2868	rundll32.exe	32
PID 2868 wrote to memory of 2500	2868	rundll32.exe	32
PID 2500 wrote to memory of 2684	2500	cmd.exe	34
PID 2500 wrote to memory of 2684	2500	cmd.exe	34
PID 2500 wrote to memory of 2684	2500	cmd.exe	34
PID 2500 wrote to memory of 2836	2500	cmd.exe	35
PID 2500 wrote to memory of 2836	2500	cmd.exe	35
PID 2500 wrote to memory of 2836	2500	cmd.exe	35

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Documents.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" 1.dll,EnterDll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\System32\cmd.exe
    cmd /c timeout /t 5 & "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\1.dll", EnterDll wdtbkqfe koorgsfd & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Windows\system32\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:2684
  - - C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\1.dll", EnterDll wdtbkqfe koorgsfd
      4⤵
      PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2836-39-0x0000000000530000-0x000000000054F000-memory.dmp

Filesize
124KB

Download
memory/2836-40-0x0000000000530000-0x000000000054F000-memory.dmp

Filesize
124KB

Download
memory/2868-36-0x00000000001A0000-0x00000000001BF000-memory.dmp

Filesize
124KB

Download
memory/2868-37-0x00000000001A0000-0x00000000001BF000-memory.dmp

Filesize
124KB

Download
memory/2868-38-0x00000000001A0000-0x00000000001BF000-memory.dmp

Filesize
124KB

Download