bazarloader | c882f778e40b276c90d467816deda7605d9955e4302aa6ab7467aeae3f155048

Resubmissions

29-07-2021 08:36

210729-5h67qwvrd2 10

27-07-2021 14:54

210727-v3d6d2mxcs 10

Analysis

max time kernel
88s
max time network
41s
platform
windows7_x64
resource
win7v20210408
submitted
27-07-2021 14:54

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Report Analysis Logs

General

Target

iCoreBr.jpg.dll
Size

1.3MB
MD5

132e6560ca121679635684e812586bba
SHA1

6f48b7929e65aac27f3bf3cce24c7ad40624dc74
SHA256

c882f778e40b276c90d467816deda7605d9955e4302aa6ab7467aeae3f155048
SHA512

3c3fd439c29e36a2ef174f82c4df36c89a87bbc2e280753166bc25b14b6066fc6b0eff7101e4b301e51722271b76ebdb79dbf58a201a7a4c8bcb64e708e6a4a5

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 2 IoCs

resource	yara_rule
behavioral1/memory/468-60-0x0000000027340000-0x00000000273A4000-memory.dmp	BazarLoaderVar3
behavioral1/memory/692-65-0x0000000002010000-0x0000000002074000-memory.dmp	BazarLoaderVar3

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1520	PING.EXE

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
692	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 1604	468	regsvr32.exe	29
PID 468 wrote to memory of 1604	468	regsvr32.exe	29
PID 468 wrote to memory of 1604	468	regsvr32.exe	29
PID 1604 wrote to memory of 1520	1604	cmd.exe	31
PID 1604 wrote to memory of 1520	1604	cmd.exe	31
PID 1604 wrote to memory of 1520	1604	cmd.exe	31
PID 1604 wrote to memory of 692	1604	cmd.exe	32
PID 1604 wrote to memory of 692	1604	cmd.exe	32
PID 1604 wrote to memory of 692	1604	cmd.exe	32
PID 1604 wrote to memory of 692	1604	cmd.exe	32
PID 1604 wrote to memory of 692	1604	cmd.exe	32

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\iCoreBr.jpg.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:468
- 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\iCoreBr.jpg.dll" mscp ahis & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 8
    3⤵
    - Runs ping.exe
    PID:1520
- - C:\Windows\system32\regsvr32.exe
    "C:\Windows\system32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\iCoreBr.jpg.dll" mscp ahis
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:692

Network

MITRE ATT&CK Enterprise v6

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/468-59-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

Filesize
8KB

Download
memory/468-60-0x0000000027340000-0x00000000273A4000-memory.dmp

Filesize
400KB

Download
memory/692-65-0x0000000002010000-0x0000000002074000-memory.dmp

Filesize
400KB

Download