Malware Analysis Report

2025-01-23 05:09

Sample ID 240521-xtv3esfd4t
Target 02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe
SHA256 041fee05837018829d6a95df247c52e733f2f8d93a304e0d4e118b67bc0df112
Tags
backdoor trojan dropper 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

041fee05837018829d6a95df247c52e733f2f8d93a304e0d4e118b67bc0df112

Threat Level: Known bad

The file 02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe was found to be: Known bad.

Malicious Activity Summary

backdoor trojan dropper berbew

Malware Dropper & Backdoor - Berbew

Berbew family

Executes dropped EXE

Loads dropped DLL

Deletes itself

Unsigned PE

Program crash

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: RenamesItself

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-21 19:09

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

2024-05-21 19:09

Reported

2024-05-21 19:11

Platform

win7-20240221-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_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\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe"

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

Network

N/A

Files

memory/1196-0-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

MD5 16f5666b1158e55cc38f9b8e1bacff00
SHA1 d88413725c42ac90bfb579293b2bb9747f69512c
SHA256 b773def46fb27e788f8ba2578b19a082500f8a9d9141c471253ce09e8c3c94af
SHA512 63bc4ac0399fba114d97800740e950d8f27328c5c4ceb4d15cd05c949a44253975e37f91933303b73b2c27e6b30f03543497abefe405d8ff0b9d8f6d622b89ed

memory/2216-11-0x0000000000400000-0x0000000000433000-memory.dmp

memory/1196-10-0x0000000000400000-0x0000000000433000-memory.dmp

memory/2216-12-0x0000000000400000-0x0000000000415000-memory.dmp

memory/2216-17-0x00000000000C0000-0x00000000000F3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 19:09

Reported

2024-05-21 19:11

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_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\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

"C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2916 -ip 2916

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 384

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 352

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 768

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 808

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 776

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4388 -ip 4388

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 828

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
NL 23.62.61.185:443 www.bing.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 185.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.27.33.23.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/2916-0-0x0000000000400000-0x0000000000433000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\02b7e3d1ca9a0bcde2819eb4af348270_NeikiAnalytics.exe

MD5 0089420bf317d84842a6661201176414
SHA1 b18d950c01847439b5fbf1f2d88796ebf9827671
SHA256 21bb1e61db287dfd90e35b410979df7429185065b338c8d8d637be0bc0bf2830
SHA512 d597b43a86558486f17b6d56dadb0a08ee656ed4d3ec106d4e834ee4b6c9961c8fca170fb519adaeb1e59e47f72d05a499b7fbda534397081b4869db7cdbae80

memory/2916-7-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4388-8-0x0000000000400000-0x0000000000433000-memory.dmp

memory/4388-10-0x0000000000400000-0x0000000000415000-memory.dmp

memory/4388-9-0x0000000001660000-0x0000000001693000-memory.dmp