Malware Analysis Report

2025-03-15 07:46

Sample ID 240203-kl956adcf5
Target 8be5333aaed8bd221340e52353b14f81
SHA256 a1fb32e47eba66a54e46b5346e2a8fb21799251e4e5696ef743e9785703db746
Tags
upx gozi banker isfb trojan
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

a1fb32e47eba66a54e46b5346e2a8fb21799251e4e5696ef743e9785703db746

Threat Level: Known bad

The file 8be5333aaed8bd221340e52353b14f81 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Deletes itself

Executes dropped EXE

Loads dropped DLL

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

2024-02-03 08:42

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: behavioral1

Detonation Overview

Submitted

2024-02-03 08:42

Reported

2024-02-03 08:45

Platform

win7-20231215-en

Max time kernel

120s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.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
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\8be5333aaed8bd221340e52353b14f81.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

"C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe"

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.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/2644-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2644-1-0x0000000000240000-0x0000000000373000-memory.dmp

memory/2644-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

MD5 088ab87fd49c548ccbc57d157dccb766
SHA1 e88f69c8a63040a465ead590943d97df812a9891
SHA256 56e369d4564210849aa5a393231981b0a87851ee559b70c73f033d8039889921
SHA512 626b2d55f7e7c2b97b14ebd50fec5d4cb64022c842a97408757f76b82e5fe607e921c81fb26ff73281a04f3695e7a0d9ba2f124666be33de12b9ba3666ac3dfe

memory/2644-15-0x0000000003D90000-0x000000000427F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

MD5 4731d6c002db3530393a74f741107fe1
SHA1 e481f1733b357819b4d9490c30c0d39613b284d9
SHA256 648dac3a5247056ff3a4a60dca5bbc6efd163594a289640b34d3a14c71971760
SHA512 a7ad2add266d9008c64cc93eb621d01c6ce8282b46fb05d723e72aae7ed422857125c1ce2950a0599ad1d3c282f3c353107132087387b42fbda09b4fe9729985

memory/2644-14-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

MD5 17f9e9eb799daf150e07d5d095fdac38
SHA1 19b3aafaa30bc3a99ac4f31cd2b11a0dcbfd9020
SHA256 58bdcc7d8ed09374f0d995709364ddba0c9fb2ef9e74bc97cd88658c1ac38352
SHA512 3496a7e2ca02febe0be91644eabd7fac64ac2ae4ec28c1f012fe204ed2e87a4dec437b1dd302d189efd6491c626dcf697ce9e03f5577b75404bd78d8a8be0651

memory/2988-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2988-19-0x00000000002B0000-0x00000000003E3000-memory.dmp

memory/2988-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2988-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2988-24-0x0000000003540000-0x000000000376A000-memory.dmp

memory/2644-31-0x0000000003D90000-0x000000000427F000-memory.dmp

memory/2988-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-03 08:42

Reported

2024-02-03 08:45

Platform

win10v2004-20231222-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.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\8be5333aaed8bd221340e52353b14f81.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

"C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe"

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 10.173.189.20.in-addr.arpa udp

Files

memory/4980-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4980-1-0x0000000001C80000-0x0000000001DB3000-memory.dmp

memory/4980-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8be5333aaed8bd221340e52353b14f81.exe

MD5 19df1a139ce0a26d04d7e9a223ffecd0
SHA1 07e81257d71dd085b53ac76b6e32aedd17012c66
SHA256 9d73f88c70c97ee69584adb9cd16a137140fcf29270ef8c58c9fec3ab2f15b98
SHA512 ad8ea00504879234dbf499498f61af40e2f6d4cf6022a1e0c98fa2a459362170ff3a219037804245ccbb99327f96b57a5ac5c1c38c13770ea601a0397a5d900e

memory/2644-12-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4980-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2644-15-0x0000000001BF0000-0x0000000001D23000-memory.dmp

memory/2644-21-0x00000000054F0000-0x000000000571A000-memory.dmp

memory/2644-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2644-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2644-28-0x0000000000400000-0x00000000008EF000-memory.dmp