bazarloader | f3fd353ec995ec76ffab63ea1b448e076268f7e891a651a170aa69d39e0b6d54

Analysis

max time kernel
123s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 21:18

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General

Target

9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe
Size

1.0MB
MD5

9ff996c9f1410f50673661636e7ea807
SHA1

1bb427fd59aa3eceb1222f2903c226f0fc790164
SHA256

f3fd353ec995ec76ffab63ea1b448e076268f7e891a651a170aa69d39e0b6d54
SHA512

938514286dc5399be6fdf7f365d14ff4517351db3617e02bbb0d370384ce33029720ed2cfa73ff224df979ca5a77c797d83661ef2fdf844ec223b5dea354f386
SSDEEP

3072:8sOv8fESTARqUUCFt9/Ns8QDCaExTV1NTTLQETTaEykC3/hC3/:ZOvk/E1TQmB6

Score

10^/10

bazarloader discovery dropper loader persistence

Malware Config

Extracted

Family

bazarloader

34.221.125.90

34.209.41.233

dfegjlefggjo.bazar

bcfijmcchijp.bazar

aeghkkbeihkn.bazar

cfhgjldfjgjo.bazar

cehgkldejgko.bazar

efehilffghio.bazar

Signatures

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

Bazar/Team9 Loader payload 1 IoCs

resource	yara_rule
behavioral1/files/0x003000000001939b-2.dat	BazarLoaderVar1

Executes dropped EXE 2 IoCs

pid	Process
3056	K3B6AA5.exe
2460	K3B6AA5.exe

Loads dropped DLL 4 IoCs

pid	Process
2584	cmd.exe
2584	cmd.exe
2008	cmd.exe
2008	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\WZSHXT76 = "cmd.exe /c reg.exe add HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run /f /v IWQ053QL1I6 /t REG_SZ /d \"\\\"C:\\Users\\Admin\\AppData\\Local\\Temp\\K3B6AA5.exe\\\" EFAFXM\" & start \"H\" \"C:\\Users\\Admin\\AppData\\Local\\Temp\\K3B6AA5.exe\" EFAFXM"	K3B6AA5.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 6 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2640	PING.EXE
2008	cmd.exe
2908	PING.EXE
2824	cmd.exe
2808	PING.EXE
2584	cmd.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
2908	PING.EXE
2808	PING.EXE
2640	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2524	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2824	2524	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2824	2524	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2824	2524	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	29
PID 2824 wrote to memory of 2808	2824	cmd.exe	31
PID 2824 wrote to memory of 2808	2824	cmd.exe	31
PID 2824 wrote to memory of 2808	2824	cmd.exe	31
PID 2824 wrote to memory of 1504	2824	cmd.exe	32
PID 2824 wrote to memory of 1504	2824	cmd.exe	32
PID 2824 wrote to memory of 1504	2824	cmd.exe	32
PID 1504 wrote to memory of 2584	1504	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	33
PID 1504 wrote to memory of 2584	1504	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	33
PID 1504 wrote to memory of 2584	1504	9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe	33
PID 2584 wrote to memory of 2640	2584	cmd.exe	35
PID 2584 wrote to memory of 2640	2584	cmd.exe	35
PID 2584 wrote to memory of 2640	2584	cmd.exe	35
PID 2584 wrote to memory of 3056	2584	cmd.exe	36
PID 2584 wrote to memory of 3056	2584	cmd.exe	36
PID 2584 wrote to memory of 3056	2584	cmd.exe	36
PID 3056 wrote to memory of 2008	3056	K3B6AA5.exe	37
PID 3056 wrote to memory of 2008	3056	K3B6AA5.exe	37
PID 3056 wrote to memory of 2008	3056	K3B6AA5.exe	37
PID 2008 wrote to memory of 2908	2008	cmd.exe	39
PID 2008 wrote to memory of 2908	2008	cmd.exe	39
PID 2008 wrote to memory of 2908	2008	cmd.exe	39
PID 2008 wrote to memory of 2460	2008	cmd.exe	40
PID 2008 wrote to memory of 2460	2008	cmd.exe	40
PID 2008 wrote to memory of 2460	2008	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\system32\cmd.exe
  cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe UZU0
  2⤵
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\system32\PING.EXE
    ping 8.8.8.8 -n 2
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2808
- - C:\Users\Admin\AppData\Local\Temp\9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\9ff996c9f1410f50673661636e7ea807_JaffaCakes118.exe UZU0
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\system32\cmd.exe
      cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe M2D11
      4⤵
      Loads dropped DLL
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2584
    - - C:\Windows\system32\PING.EXE
        
        ping 8.8.8.8 -n 2
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2640
    - - C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe
        
        C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe M2D11
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:3056
      - C:\Windows\system32\cmd.exe
        
        cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe EFAFXM
        6⤵
        Loads dropped DLL
        System Network Configuration Discovery: Internet Connection Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2008
        
        C:\Windows\system32\PING.EXE
        
        ping 8.8.8.8 -n 2
        7⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2908
        
        C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe
        
        C:\Users\Admin\AppData\Local\Temp\K3B6AA5.exe EFAFXM
        7⤵
        Executes dropped EXE
        
        PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\K3B6AA5.exe

Filesize
1.0MB

MD5
9ff996c9f1410f50673661636e7ea807

SHA1
1bb427fd59aa3eceb1222f2903c226f0fc790164

SHA256
f3fd353ec995ec76ffab63ea1b448e076268f7e891a651a170aa69d39e0b6d54

SHA512
938514286dc5399be6fdf7f365d14ff4517351db3617e02bbb0d370384ce33029720ed2cfa73ff224df979ca5a77c797d83661ef2fdf844ec223b5dea354f386

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