Malware Analysis Report

2025-01-22 18:57

Sample ID 240311-a5avasga8t
Target bf67083c9f9d7291a9ffc97067a2e2a7
SHA256 a48395f97d3ac1f1cf5e954c4a0fe7f92d2aade4af6b6c70b360d854cdac8923
Tags
upx gozi banker isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a48395f97d3ac1f1cf5e954c4a0fe7f92d2aade4af6b6c70b360d854cdac8923

Threat Level: Known bad

The file bf67083c9f9d7291a9ffc97067a2e2a7 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

UPX packed file

Executes dropped EXE

Loads dropped DLL

Deletes itself

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-11 00:47

Signatures

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: behavioral2

Detonation Overview

Submitted

2024-03-11 00:47

Reported

2024-03-11 00:49

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.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\bf67083c9f9d7291a9ffc97067a2e2a7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.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 g.bing.com 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 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 8.8.8.8:53 18.173.189.20.in-addr.arpa udp

Files

memory/4544-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4544-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/4544-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

MD5 8535334662348d8cddc6f0b25e5434f0
SHA1 13c335582d4252c62c909dec05ce8cb7efe1dde8
SHA256 71143686864976cd8221abbc56f81cdf27365ad0ce9acf03437337a1049c043c
SHA512 44480f2b2bfea249707aee87b70b23909088cf5bc192ac7705962438792f50dab519dacc0e2460dada2e2593180b36f72abbe25a85e26f82786de4238a7c894d

memory/4544-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4760-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4760-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4760-14-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/4760-20-0x00000000055D0000-0x00000000057FA000-memory.dmp

memory/4760-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/4760-28-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-11 00:47

Reported

2024-03-11 00:49

Platform

win7-20240221-en

Max time kernel

122s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.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\bf67083c9f9d7291a9ffc97067a2e2a7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

"C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe"

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.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 104.21.20.204:80 yxeepsek.net tcp

Files

memory/2844-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2844-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2844-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2844-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2180-18-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2180-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2180-20-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2180-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2180-24-0x0000000003410000-0x000000000363A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

MD5 d0d67f15736e47e68d336f01d01cc1c4
SHA1 57d19d910e0f04cc23c7953f631b7506ca3a75f8
SHA256 db37eb98f8449148ecc6b2feac6174e005f942d038ad96022a836df3fbcbe017
SHA512 7fb41eac7b45baa5340a722fc9aa80aa9615ca8eec69b2b2b17e7b357ba9907e94aeb64945c2db43eb059a156c96cb6f6f58b23de9dd00f36ce7b2f933d684af

memory/2844-14-0x0000000003DD0000-0x00000000042BF000-memory.dmp

\Users\Admin\AppData\Local\Temp\bf67083c9f9d7291a9ffc97067a2e2a7.exe

MD5 e0d956eec8be8c11a304552fcb7addf6
SHA1 3e8236a036d933fcac37f46eef4d55ca95b4121d
SHA256 a5df990ce9cbb7085ce8c8566cb04e5e1357770445d30dbcfc3a86aab1c8f7a5
SHA512 e88316d930e15a19f12067e1ec1236f3ec962d97fc7f485ca0bb0eba1781f2ae640ec94ded13023867ca1b38ee72074857ce1bd6fb0aba83ee4617de26b07add

memory/2844-31-0x0000000003DD0000-0x00000000042BF000-memory.dmp

memory/2180-32-0x0000000000400000-0x00000000008EF000-memory.dmp