Malware Analysis Report

2025-01-22 18:56

Sample ID 240312-w91geaac87
Target c4131be13937f631d624b3458609b9d2
SHA256 f0add1bf4907a76440e2ce3ed8caa6e7fbbe291790d98436f825f078bceeb343
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

f0add1bf4907a76440e2ce3ed8caa6e7fbbe291790d98436f825f078bceeb343

Threat Level: Known bad

The file c4131be13937f631d624b3458609b9d2 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Loads dropped DLL

UPX packed file

Deletes itself

Executes dropped EXE

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-12 18:38

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

2024-03-12 18:38

Reported

2024-03-12 18:40

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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\c4131be13937f631d624b3458609b9d2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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 172.67.194.101:80 yxeepsek.net tcp

Files

memory/3000-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3000-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3000-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

MD5 780d93f8adc0e9188e005b3d3f0b0fc1
SHA1 9809ced7dfbed5e6768b65c60a62e8c9f38e34b4
SHA256 1dc9963b1d6ff08246dc5eead04d4573b82df2a7a73686957bb9e3c53ec25fa5
SHA512 76baea8b79f74f108e0e788fafd2bebd9bd16c2142ceb75acdcb8f366fd78f609e09c036aabab29e96fbb2122c9d65efe025bf2ed18e90c534cdfdd82647b58d

memory/3000-14-0x0000000003770000-0x0000000003C5F000-memory.dmp

memory/2136-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2136-19-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/2136-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3000-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2136-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2136-24-0x0000000003570000-0x000000000379A000-memory.dmp

memory/2136-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 18:38

Reported

2024-03-12 18:40

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

"C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe"

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 yxeepsek.net udp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 29.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 25.63.96.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 137.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 28.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 31.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 171.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 37.179.17.96.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/396-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/396-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/396-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c4131be13937f631d624b3458609b9d2.exe

MD5 a16a0081d14799df545eb04ea691fea6
SHA1 97f1b3ee73a144b879888f3effcab984a8a9d173
SHA256 c2b239a4daf0d5b6840931e4325a8358e5e5a6a1d0a576bf2417556c70d1209c
SHA512 2067e67a8a0dd5655496bc6b42fcc2d09a57535bea3408b338e125a766b22e7fde847ce23b33dd7fd016ec9cee6a51343a07af4393ec101f55ee56bad5dd5cba

memory/396-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2228-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2228-15-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2228-13-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/2228-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2228-21-0x0000000005580000-0x00000000057AA000-memory.dmp

memory/2228-28-0x0000000000400000-0x00000000008EF000-memory.dmp