Malware Analysis Report

2024-10-24 20:07

Sample ID 240531-erl3maef2x
Target 76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe
SHA256 ca388b546acae04c4b4c9f157c9689ff1d6be9eb52e0b5320c43655235dcc997
Tags
backdoor dropper trojan berbew
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

ca388b546acae04c4b4c9f157c9689ff1d6be9eb52e0b5320c43655235dcc997

Threat Level: Known bad

The file 76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

backdoor dropper trojan berbew

Berbew family

Malware Dropper & Backdoor - Berbew

Deletes itself

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Program crash

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 04:10

Signatures

Berbew family

berbew

Malware Dropper & Backdoor - Berbew

backdoor trojan dropper
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 04:10

Reported

2024-05-31 04:13

Platform

win7-20240221-en

Max time kernel

123s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe"

Signatures

Malware Dropper & Backdoor - Berbew

backdoor trojan dropper
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe"

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

Network

N/A

Files

memory/2988-0-0x0000000000400000-0x0000000000441000-memory.dmp

\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

MD5 4da86e472429302cbc309e324a7cddf3
SHA1 25727393cf6966513f67a5b65f35aaca326571f6
SHA256 0f96fd2f889941b971cb348f85ca51f00d73955af39e67ecb782d45ef1481970
SHA512 7d9bdcf46db99f7c91a0f516998cb10b0e03e03568b7cdbdf20c75a305af30992c67ada06188254847e31e8087e05ad472171117c2aa4ccdae2befae3c91c926

memory/2988-5-0x0000000000210000-0x0000000000251000-memory.dmp

memory/2988-10-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2956-11-0x0000000000400000-0x0000000000441000-memory.dmp

memory/2956-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2956-17-0x0000000000130000-0x0000000000171000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 04:10

Reported

2024-05-31 04:13

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe"

Signatures

Malware Dropper & Backdoor - Berbew

backdoor trojan dropper
Description Indicator Process Target
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1916 -ip 1916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 396

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4396 -ip 4396

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 372

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.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 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 204.201.50.20.in-addr.arpa udp

Files

memory/1916-0-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1916-6-0x0000000000400000-0x0000000000441000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\76902c2a6664e240a99584aa3723acb0_NeikiAnalytics.exe

MD5 445180a67dd8446921536a86beedf31c
SHA1 cc271dad1053093a180e3aa7936e4d02c8d8f1ce
SHA256 f2a7dd49b686f73552ecdb113e9f4f3d8519d36303ff6c24b81377200f13fd7f
SHA512 30737709b835e9b7feec0fb5eace06706109b749a4124fd6701bc289971334dc3ffc2318275381d56013a51e1985acec60bfc2e51dda7f1aef395d85e5afcf4d

memory/4396-7-0x0000000000400000-0x0000000000441000-memory.dmp

memory/4396-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4396-13-0x0000000003D70000-0x0000000003DB1000-memory.dmp