Malware Analysis Report

2025-03-15 07:45

Sample ID 240214-k551jsff26
Target 9b4954939828e6defc0f75ad613a643b
SHA256 7693e3d4da050cbc1bf8e002162ad4db920899e1e4cf2c0d83509e4bd0558fb4
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

7693e3d4da050cbc1bf8e002162ad4db920899e1e4cf2c0d83509e4bd0558fb4

Threat Level: Known bad

The file 9b4954939828e6defc0f75ad613a643b 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 use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-14 09:12

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

2024-02-14 09:12

Reported

2024-02-14 09:14

Platform

win7-20231215-en

Max time kernel

120s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.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\9b4954939828e6defc0f75ad613a643b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

"C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe"

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.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/828-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/828-1-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/828-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

MD5 b16fbd60054a85608de16100957f1ae0
SHA1 a9bc8376862bce9ed6d32e1b85d11be607f9ecd3
SHA256 3e4d7621dd371d83bfd06ed3930011e919971cffe66f427e2b28b8015c4b321f
SHA512 09766439658511039527a82eb2ce05962e4a08b1804cc2ebb081ae6f3d16b09f1b2d11d53dffb59478537a945dce0c069c6bebb9bd2ee05afc5748446d9b299c

memory/828-15-0x0000000004990000-0x0000000004E7F000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

MD5 f94f8ff32e38487b17e0dfef9591d5a7
SHA1 65c3e8fce3438cdaf11efc980593863737ed1d3f
SHA256 9b022c79b8950ffa13a5b453293e2379a8320c53d9841c27774a7b8fbdad0830
SHA512 91698d56ae94f54c4376050eeb70df0721ae6d6fc0df2b2962f55469b2d170903afc41f468792921dcf8ea6b7e6717327eb38fffd4a097ea3a279472a3f12e46

memory/2444-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2444-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/828-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2444-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2444-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2444-24-0x00000000035A0000-0x00000000037CA000-memory.dmp

memory/828-31-0x0000000004990000-0x0000000004E7F000-memory.dmp

memory/2444-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-14 09:12

Reported

2024-02-14 09:14

Platform

win10v2004-20231215-en

Max time kernel

141s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.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\9b4954939828e6defc0f75ad613a643b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

"C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe"

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 218.238.32.23.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 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 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 105.193.132.51.in-addr.arpa udp

Files

memory/780-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/780-1-0x0000000001C20000-0x0000000001D53000-memory.dmp

memory/780-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\9b4954939828e6defc0f75ad613a643b.exe

MD5 5c0ca53414861e8e2062374b8e70be61
SHA1 dfaca9981e5c279014c4bbb57993f03b39b39775
SHA256 30395b3227503c4687b4672b3365d8d1eca72ae795c6cb38b63e1ffaf60ebe3c
SHA512 b6168ab511237e3382d961bbccf038f9403cebd20467d64e9e0097b9092474d67e1aa1c5c815b00465e97732a499f6d84ce46c5ef0a3feecfe4ef1ea97ac82e4

memory/780-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4500-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4500-14-0x0000000001A30000-0x0000000001B63000-memory.dmp

memory/4500-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4500-20-0x00000000056B0000-0x00000000058DA000-memory.dmp

memory/4500-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/4500-28-0x0000000000400000-0x00000000008EF000-memory.dmp