bazarloader | 26be0ba3533703f5eeea8489e6a8881461dab7f597f33e546182ba1910953d09

General

Target

fd52cd9bfb7b40a3992c2ec5f42bdcb8_JaffaCakes118.dll
Size

1.3MB
MD5

fd52cd9bfb7b40a3992c2ec5f42bdcb8
SHA1

9f0a0af3faf66b2715f575fd56a7a2968a077b47
SHA256

26be0ba3533703f5eeea8489e6a8881461dab7f597f33e546182ba1910953d09
SHA512

d83cc92992a35c4c06507e5ad4804d822acb8aa2f61cc34763ed72e596dbeab67b5554eedd15b33a9649f93044c49d43c0b6eb4c195b6906041465a2d70a195d
SSDEEP

24576:ax12nIqqCgOgFO9fccuUMHKv+i7e1LXEdFoGzIyXjxeKF:aYIqJPV9fcHqmGSr9oF

Score

10^/10

bazarloader dropper loader persistence

Malware Config

Signatures

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

Bazar/Team9 Loader payload 9 IoCs

resource	yara_rule
behavioral2/memory/2380-0-0x0000000027FA0000-0x0000000028004000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2380-1-0x00007FF894670000-0x00007FF894812000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2380-7-0x00007FF894670000-0x00007FF894812000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2380-8-0x0000000027FA0000-0x0000000028004000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2772-9-0x0000000027C30000-0x0000000027C94000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2772-10-0x00007FF894670000-0x00007FF894812000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2772-17-0x00007FF894670000-0x00007FF894812000-memory.dmp	BazarLoaderVar3
behavioral2/memory/2772-18-0x0000000027C30000-0x0000000027C94000-memory.dmp	BazarLoaderVar3
behavioral2/memory/832-21-0x0000000027850000-0x00000000278B4000-memory.dmp	BazarLoaderVar3

Loads dropped DLL 1 IoCs

pid	Process
832	regsvr32.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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RealtechUpdate = "\"C:\\Windows\\system32\\regsvr32.exe\" /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\Damp\\eykksoxlcvg.exe\" mscp arih"	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3500	reg.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery

T1018

pid	Process
2800	PING.EXE
460	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2772	regsvr32.exe
2772	regsvr32.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1104	2380	regsvr32.exe	100
PID 2380 wrote to memory of 1104	2380	regsvr32.exe	100
PID 1104 wrote to memory of 2800	1104	cmd.exe	102
PID 1104 wrote to memory of 2800	1104	cmd.exe	102
PID 1104 wrote to memory of 2772	1104	cmd.exe	103
PID 1104 wrote to memory of 2772	1104	cmd.exe	103
PID 2772 wrote to memory of 3940	2772	regsvr32.exe	104
PID 2772 wrote to memory of 3940	2772	regsvr32.exe	104
PID 2772 wrote to memory of 2564	2772	regsvr32.exe	106
PID 2772 wrote to memory of 2564	2772	regsvr32.exe	106
PID 2772 wrote to memory of 260	2772	regsvr32.exe	107
PID 2772 wrote to memory of 260	2772	regsvr32.exe	107
PID 260 wrote to memory of 460	260	cmd.exe	111
PID 260 wrote to memory of 460	260	cmd.exe	111
PID 2564 wrote to memory of 3500	2564	cmd.exe	110
PID 2564 wrote to memory of 3500	2564	cmd.exe	110
PID 260 wrote to memory of 832	260	cmd.exe	112
PID 260 wrote to memory of 832	260	cmd.exe	112

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fd52cd9bfb7b40a3992c2ec5f42bdcb8_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2380
- 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\fd52cd9bfb7b40a3992c2ec5f42bdcb8_JaffaCakes118.dll" mscp ahis & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1104
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 8
    3⤵
    - Runs ping.exe
    PID:2800
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\fd52cd9bfb7b40a3992c2ec5f42bdcb8_JaffaCakes118.dll" mscp ahis
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c echo %temp%
      4⤵
      PID:3940
  - - 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\eykksoxlcvg.exe\" mscp arih"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2564
    - - 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\eykksoxlcvg.exe\" mscp arih"
        5⤵
        Adds Run key to start application
        Modifies registry key
        
        PID:3500
  - - 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\eykksoxlcvg.exe" mscp arih & exit
      4⤵
      Suspicious use of WriteProcessMemory
      PID:260
    - - C:\Windows\system32\PING.EXE
        
        ping 127.0.0.1 -n 8
        5⤵
        Runs ping.exe
        
        PID:460
    - - C:\Windows\system32\regsvr32.exe
        
        "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\Damp\eykksoxlcvg.exe" mscp arih
        5⤵
        Loads dropped DLL
        
        PID:832

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4796 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:3788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Damp\eykksoxlcvg.exe

Filesize
1.3MB

MD5
fd52cd9bfb7b40a3992c2ec5f42bdcb8

SHA1
9f0a0af3faf66b2715f575fd56a7a2968a077b47

SHA256
26be0ba3533703f5eeea8489e6a8881461dab7f597f33e546182ba1910953d09

SHA512
d83cc92992a35c4c06507e5ad4804d822acb8aa2f61cc34763ed72e596dbeab67b5554eedd15b33a9649f93044c49d43c0b6eb4c195b6906041465a2d70a195d

Download Submit
memory/832-21-0x0000000027850000-0x00000000278B4000-memory.dmp

Filesize
400KB

Download
memory/2380-0-0x0000000027FA0000-0x0000000028004000-memory.dmp

Filesize
400KB

Download
memory/2380-1-0x00007FF894670000-0x00007FF894812000-memory.dmp

Filesize
1.6MB

Download
memory/2380-7-0x00007FF894670000-0x00007FF894812000-memory.dmp

Filesize
1.6MB

Download
memory/2380-8-0x0000000027FA0000-0x0000000028004000-memory.dmp

Filesize
400KB

Download
memory/2772-9-0x0000000027C30000-0x0000000027C94000-memory.dmp

Filesize
400KB

Download
memory/2772-10-0x00007FF894670000-0x00007FF894812000-memory.dmp

Filesize
1.6MB

Download
memory/2772-17-0x00007FF894670000-0x00007FF894812000-memory.dmp

Filesize
1.6MB

Download
memory/2772-18-0x0000000027C30000-0x0000000027C94000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads