Malware Analysis Report

2025-01-22 18:52

Sample ID 240308-njs1msef8z
Target bb2525d88b207a9f40b513b1bce2d3a1
SHA256 000b8eeb58de61285a9f6f6f176a61bc26119db913d242c491e7db53cc9cf5df
Tags
upx isfb gozi
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

000b8eeb58de61285a9f6f6f176a61bc26119db913d242c491e7db53cc9cf5df

Threat Level: Known bad

The file bb2525d88b207a9f40b513b1bce2d3a1 was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-08 11:26

Signatures

Gozi family

gozi

UPX packed file

upx
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

2024-03-08 11:25

Reported

2024-03-08 11:28

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

UPX packed file

upx
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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

"C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe"

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp

Files

memory/1704-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1704-2-0x0000000000130000-0x0000000000263000-memory.dmp

memory/1704-0-0x0000000000400000-0x00000000008EF000-memory.dmp

\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

MD5 126cb022df332e78e572890efe28ddf5
SHA1 5cc4f7e82f086d5094113f8bd668cc4769e8b94c
SHA256 1f7b8313b3655583ce182260f1057d3044c107f305e4844d927da889b68c3d68
SHA512 fef0024c95e05356e6898974e502d1c5bf6c46d35fed27f38c98ef9e32c2f9de0c8a27e2612278a3e1971b8a9cd7e31f89144f834878abe03d28f26678506d74

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2360-17-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2360-16-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2360-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/1704-14-0x0000000003810000-0x0000000003CFF000-memory.dmp

memory/1704-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2360-24-0x0000000003410000-0x000000000363A000-memory.dmp

memory/2360-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/1704-31-0x0000000003810000-0x0000000003CFF000-memory.dmp

memory/2360-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-08 11:25

Reported

2024-03-08 11:28

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

UPX packed file

upx
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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

"C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe"

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 82.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 26.134.221.88.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 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 197.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 198.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 203.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 9.73.50.20.in-addr.arpa udp
GB 96.17.178.198:80 tcp

Files

memory/5104-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/5104-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/5104-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bb2525d88b207a9f40b513b1bce2d3a1.exe

MD5 627e6d21a6ea4350a6b2bc98fe5da582
SHA1 2ff7b1a7f44804e185a26a47b3e09a7bc98848a9
SHA256 672f517fc886ed6be3afc245ce012895fa7537822db5a11402f04ac779960870
SHA512 e182eae2142ecdbce3a3de18a593558d23f1dce3a3796162515afd724cac216e4969b958f6d6bd53b79d9cf669e5bd06e37222e0bac95887d16799e75462655a

memory/3776-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3776-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3776-15-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/5104-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3776-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/3776-22-0x00000000055B0000-0x00000000057DA000-memory.dmp

memory/3776-28-0x0000000000400000-0x00000000008EF000-memory.dmp