bazarloader | 26be0ba3533703f5eeea8489e6a8881461dab7f597f33e546182ba1910953d09

Analysis

max time kernel
143s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 18:06

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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

Malware Config

Signatures

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

Bazar/Team9 Loader payload 6 IoCs

resource	yara_rule
behavioral1/memory/2184-0-0x00000000275F0000-0x0000000027654000-memory.dmp	BazarLoaderVar3
behavioral1/memory/2184-1-0x000007FEF6030000-0x000007FEF61D2000-memory.dmp	BazarLoaderVar3
behavioral1/memory/2184-6-0x000007FEF6030000-0x000007FEF61D2000-memory.dmp	BazarLoaderVar3
behavioral1/memory/2184-7-0x00000000275F0000-0x0000000027654000-memory.dmp	BazarLoaderVar3
behavioral1/memory/2576-8-0x0000000027800000-0x0000000027864000-memory.dmp	BazarLoaderVar3
behavioral1/memory/2576-9-0x000007FEF5E80000-0x000007FEF6022000-memory.dmp	BazarLoaderVar3

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2896	PING.EXE

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2576	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2452	2184	regsvr32.exe	30
PID 2184 wrote to memory of 2452	2184	regsvr32.exe	30
PID 2184 wrote to memory of 2452	2184	regsvr32.exe	30
PID 2452 wrote to memory of 2896	2452	cmd.exe	32
PID 2452 wrote to memory of 2896	2452	cmd.exe	32
PID 2452 wrote to memory of 2896	2452	cmd.exe	32
PID 2452 wrote to memory of 2576	2452	cmd.exe	33
PID 2452 wrote to memory of 2576	2452	cmd.exe	33
PID 2452 wrote to memory of 2576	2452	cmd.exe	33
PID 2452 wrote to memory of 2576	2452	cmd.exe	33
PID 2452 wrote to memory of 2576	2452	cmd.exe	33

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fd52cd9bfb7b40a3992c2ec5f42bdcb8_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2184
- 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:2452
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 8
    3⤵
    - Runs ping.exe
    PID:2896
- - 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: CmdExeWriteProcessMemorySpam
    PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2184-0-0x00000000275F0000-0x0000000027654000-memory.dmp

Filesize
400KB

Download
memory/2184-1-0x000007FEF6030000-0x000007FEF61D2000-memory.dmp

Filesize
1.6MB

Download
memory/2184-6-0x000007FEF6030000-0x000007FEF61D2000-memory.dmp

Filesize
1.6MB

Download
memory/2184-7-0x00000000275F0000-0x0000000027654000-memory.dmp

Filesize
400KB

Download
memory/2576-8-0x0000000027800000-0x0000000027864000-memory.dmp

Filesize
400KB

Download
memory/2576-9-0x000007FEF5E80000-0x000007FEF6022000-memory.dmp

Filesize
1.6MB

Download