Malware Analysis Report

2024-10-19 02:58

Sample ID 240105-2zz1sacbfm
Target 44a71bfc675386d692f9c999f3829c8c
SHA256 0938352aa544baf8939184b41aa37f1cc09839e77508180654ac6ba5e39e1c5e
Tags
bazarloader dropper loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0938352aa544baf8939184b41aa37f1cc09839e77508180654ac6ba5e39e1c5e

Threat Level: Known bad

The file 44a71bfc675386d692f9c999f3829c8c was found to be: Known bad.

Malicious Activity Summary

bazarloader dropper loader

Bazar Loader

Bazar/Team9 Loader payload

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-05 23:01

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-05 23:01

Reported

2024-01-05 23:04

Platform

win7-20231215-en

Max time kernel

117s

Max time network

129s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll

Signatures

Bazar Loader

loader dropper bazarloader

Bazar/Team9 Loader payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll,StartW {2F184319-AB51-4CD6-8CB7-EF51354D720A}

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft.com udp
NL 64.225.65.20:443 64.225.65.20 tcp
US 20.112.250.133:443 microsoft.com tcp
US 20.112.250.133:443 microsoft.com tcp
US 8.8.8.8:53 apps.identrust.com udp
GB 96.17.179.184:80 apps.identrust.com tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp
GB 96.17.179.205:80 apps.identrust.com tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp
NL 64.227.68.7:443 tcp

Files

memory/3052-0-0x0000000001E40000-0x0000000001F1C000-memory.dmp

memory/1856-1-0x0000000001B80000-0x0000000001C5C000-memory.dmp

memory/1856-2-0x0000000001B80000-0x0000000001C5C000-memory.dmp

memory/3052-3-0x0000000001E40000-0x0000000001F1C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabDD48.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\TarDDC8.tmp

MD5 9c0c641c06238516f27941aa1166d427
SHA1 64cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512 936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-05 23:01

Reported

2024-01-05 23:04

Platform

win10v2004-20231215-en

Max time kernel

152s

Max time network

163s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll

Signatures

Bazar Loader

loader dropper bazarloader

Bazar/Team9 Loader payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll,StartW {3ADA359C-673A-4D17-BA8D-4A965A314A49}

Network

Country Destination Domain Proto
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 microsoft.com udp
US 20.112.250.133:443 microsoft.com tcp
US 8.8.8.8:53 www.microsoft.com udp
US 2.17.5.133:443 www.microsoft.com tcp
NL 64.225.65.20:443 64.225.65.20 tcp
US 8.8.8.8:53 133.250.112.20.in-addr.arpa udp
US 8.8.8.8:53 133.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 20.65.225.64.in-addr.arpa udp
NL 64.227.68.7:443 64.227.68.7 tcp
NL 188.166.32.223:443 tcp
US 8.8.8.8:53 7.68.227.64.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
NL 188.166.32.223:443 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/4212-0-0x0000000002210000-0x00000000022EC000-memory.dmp

memory/224-1-0x000002543DBD0000-0x000002543DCAC000-memory.dmp

memory/224-2-0x000002543DBD0000-0x000002543DCAC000-memory.dmp

memory/4212-3-0x0000000002210000-0x00000000022EC000-memory.dmp