Malware Analysis Report

2025-03-15 07:44

Sample ID 240213-j9ztnaeg79
Target 98efca589bb398693f7e1d227fe2326c
SHA256 ed366bb885dcb6b417d61e013ee56450be0d9fc14ede5154ba3019202ca8a6db
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

ed366bb885dcb6b417d61e013ee56450be0d9fc14ede5154ba3019202ca8a6db

Threat Level: Known bad

The file 98efca589bb398693f7e1d227fe2326c 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

2024-02-13 08:22

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

2024-02-13 08:22

Reported

2024-02-13 08:25

Platform

win7-20231215-en

Max time kernel

121s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.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\98efca589bb398693f7e1d227fe2326c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

"C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe"

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.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/1044-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/1044-2-0x0000000000260000-0x0000000000391000-memory.dmp

memory/1044-1-0x0000000000400000-0x0000000000622000-memory.dmp

\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

MD5 2a7a904330ce1c3bc2fb3be4dc9baa9e
SHA1 618fb792075381b9c49ba59856c6dcfdbbfde275
SHA256 0fb70940e53708abfded25ea251b0427ec295bb5f579734c4d5dd1deb685aa5b
SHA512 5ce13f764945f9f204fcf63446da2f9a11b603b8990845b61c7a2b41f729c48754438b13d0753a579e7ddc391e92de5c2996e0a6461e72ff903b158a9fdc12ae

memory/1044-16-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2608-18-0x0000000001B10000-0x0000000001C41000-memory.dmp

memory/2608-17-0x0000000000400000-0x0000000000622000-memory.dmp

memory/1044-15-0x0000000004820000-0x0000000004D07000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

MD5 3df98e2c7980f9dab9644720579f04a2
SHA1 30e56c109104a834472e94d5dfd791d1e93a9de5
SHA256 0bf2b12326b373492aeef75bf4871c57ff6a39d2895fdfe0e73f818b59b7b946
SHA512 fb646b6bff90e82c09a86c8e5602ad53334aa43abdcc2dbef499650d72c886f7de277ac143468a0915f912fb30461272d9d4a731981a8147fe95ec30610eb325

memory/2608-20-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2608-25-0x00000000033F0000-0x0000000003612000-memory.dmp

memory/2608-24-0x0000000000400000-0x0000000000616000-memory.dmp

memory/1044-32-0x0000000004820000-0x0000000004D07000-memory.dmp

memory/2608-33-0x0000000000400000-0x00000000008E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-13 08:22

Reported

2024-02-13 08:25

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.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\98efca589bb398693f7e1d227fe2326c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

"C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe"

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 208.194.73.20.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 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/3184-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/3184-1-0x0000000001CC0000-0x0000000001DF1000-memory.dmp

memory/3184-2-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\98efca589bb398693f7e1d227fe2326c.exe

MD5 5800336dcf64d44d90b03ca70bca3cc4
SHA1 6f0461910663a20e75ba3b8567c5edc84e451424
SHA256 9eb4bceaf7128d7d53760fca0888b2a384d16a3e6f50cc5ff8c2501db53b7a1c
SHA512 588d4a5ff39e326d3244efe96b3eec39d1ce6f492b39e3bcf10d4ac26359598a4652ac710d871c537e40c62ced88fb243c59bddb3da9f92fa21503b08ec4523e

memory/3184-12-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2972-14-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2972-13-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2972-15-0x00000000018F0000-0x0000000001A21000-memory.dmp

memory/2972-20-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2972-22-0x0000000005620000-0x0000000005842000-memory.dmp

memory/2972-28-0x0000000000400000-0x00000000008E7000-memory.dmp