Malware Analysis Report

2025-03-15 07:46

Sample ID 240204-a51eysdfa7
Target 8dcc02da6f74a931c78ba46ea86e7d08
SHA256 3b5b0cf21f6be7712afd31c93c2f8e74b4121945358bc66fb3d84c752cde593b
Tags
gozi banker isfb trojan upx
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

3b5b0cf21f6be7712afd31c93c2f8e74b4121945358bc66fb3d84c752cde593b

Threat Level: Known bad

The file 8dcc02da6f74a931c78ba46ea86e7d08 was found to be: Known bad.

Malicious Activity Summary

gozi banker isfb trojan upx

Gozi

Executes dropped EXE

Loads dropped DLL

Deletes itself

UPX packed file

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-04 00:48

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

2024-02-04 00:48

Reported

2024-02-04 00:51

Platform

win10v2004-20231215-en

Max time kernel

90s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.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\8dcc02da6f74a931c78ba46ea86e7d08.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

"C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe"

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net udp
US 172.67.194.101:80 yxeepsek.net tcp
US 8.8.8.8:53 180.144.67.172.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/3920-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3920-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/3920-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

MD5 cdc386f40aa389a17615c14ea19882f6
SHA1 76c6b025bd1269d078f9efd653b5e6bf27fcbecc
SHA256 7078320804f490c52a70a226a63c1af80194bebe69bdd5773817a9392bfec253
SHA512 80cdb73168c9d58fbae8451a7f4f756cfbaf174931524151a1bff6c2da056b6c92468607851d20fe5c5bedea3472195d95637b059bc65c82781b4efe7132f5ec

memory/3920-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/444-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/444-15-0x0000000001D60000-0x0000000001E93000-memory.dmp

memory/444-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/444-22-0x0000000000400000-0x000000000061D000-memory.dmp

memory/444-21-0x0000000005660000-0x000000000588A000-memory.dmp

memory/444-29-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-04 00:48

Reported

2024-02-04 00:51

Platform

win7-20231215-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.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\8dcc02da6f74a931c78ba46ea86e7d08.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

"C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe"

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

C:\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.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

Files

memory/2568-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2568-1-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2568-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\8dcc02da6f74a931c78ba46ea86e7d08.exe

MD5 10c92837b324138fd79ce567f8e4c34d
SHA1 25bb22d4f499ed5f582eb2671e40c61e79e97afa
SHA256 a660f327df29c12caa579b619a214bcb977f7d5e9e195e247210787fe2e187bc
SHA512 d987cd9a52e28a16a4eac7d5178a466728afc7118abfeeeeb0b6942a68b7ccce8b2aff20f65212b25ccb5f247fc229f152e3a371ed3d576fe0faea05c9472109

memory/2568-15-0x0000000003770000-0x0000000003C5F000-memory.dmp

memory/2800-18-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2800-20-0x0000000000130000-0x0000000000263000-memory.dmp

memory/2800-17-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2568-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2800-24-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2800-25-0x00000000035A0000-0x00000000037CA000-memory.dmp

memory/2800-32-0x0000000000400000-0x00000000008EF000-memory.dmp