Malware Analysis Report

2025-01-22 18:56

Sample ID 240312-v1fvzagg55
Target c3f00e677eb797d3e15cc3632882099d
SHA256 3ec87381ea44298c1859ae491b9b21297cebf1a6d047e5afb4ed868490be3d5f
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

3ec87381ea44298c1859ae491b9b21297cebf1a6d047e5afb4ed868490be3d5f

Threat Level: Known bad

The file c3f00e677eb797d3e15cc3632882099d was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Executes dropped EXE

Deletes itself

Loads dropped DLL

UPX packed file

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-12 17:27

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 17:27

Reported

2024-03-12 17:29

Platform

win7-20240221-en

Max time kernel

118s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.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\c3f00e677eb797d3e15cc3632882099d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

"C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe"

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.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/1940-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1940-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1940-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

MD5 968d176f8f964c5f08556b5382fc08ec
SHA1 cc7f5d3f2f8241f069afa1bf81e058363a1bf582
SHA256 be27b6071ab87ce873e257f212fe97735963256c0c179cf8a1fd77702ae29ebd
SHA512 cfa5e061797c064ebfa5d310c3a50fb361f2219f08df9f656da55a7518455c7686e0aaf9ae4088389b653b70b3e1295f2e1aaa811c14de5e8bc2b9e78b6d8f2c

memory/2152-16-0x0000000000400000-0x00000000008EF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

MD5 d4d15bcc364337e6e9160b23f832dad2
SHA1 45fb3280c7af5f7a595e3a132a4c7b2b2c1ae204
SHA256 e06acd69c3e718c3c41e4ebc2e1e3417c17b82041c9070d28d06c714377615fc
SHA512 09f18fd67eebbaefcbc8554c9e4eb8f7ee4e6fcee60c0aa56cad2e154a42ab8ee0209d7a2959d49b249469f134a356639e770d09cc5ecca885008ee5694a35a7

memory/1940-14-0x0000000003DD0000-0x00000000042BF000-memory.dmp

memory/1940-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2152-18-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2152-17-0x0000000000130000-0x0000000000263000-memory.dmp

memory/2152-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2152-25-0x00000000035A0000-0x00000000037CA000-memory.dmp

memory/2152-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-12 17:27

Reported

2024-03-12 17:29

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.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\c3f00e677eb797d3e15cc3632882099d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

"C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe"

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=5016 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 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

Files

memory/3456-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/3456-1-0x0000000001C70000-0x0000000001DA3000-memory.dmp

memory/3456-2-0x0000000000400000-0x000000000062A000-memory.dmp

memory/3456-12-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c3f00e677eb797d3e15cc3632882099d.exe

MD5 e5ec3549cd3ddf84715a4fbda6ffe275
SHA1 0a865b1c829eb3b5188bf83fc0409080c20b3cc1
SHA256 564d2d729a78c8c835fb57c1b7bb2691857c2101a3d20188317a54110772d050
SHA512 add5a978ab57be8634d132a29f01987e8e91538bd963be227e8ee9a04b577d6a95f71de6437e7061a2d93dfc2ee695315f4735c7d0e5c447ab0a7abbd76aae0d

memory/780-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/780-15-0x0000000001D10000-0x0000000001E43000-memory.dmp

memory/780-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/780-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/780-21-0x0000000005610000-0x000000000583A000-memory.dmp

memory/780-28-0x0000000000400000-0x00000000008EF000-memory.dmp