Malware Analysis Report

2025-01-22 18:51

Sample ID 240311-a82gesfh97
Target bf6a774ab7ac79e9ca7855c969160d58
SHA256 ace6ac2c8bd347c4d7d1f35259dc2b42be15a79a95d844f7936cdec01818c8a5
Tags
upx gozi banker isfb trojan
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

ace6ac2c8bd347c4d7d1f35259dc2b42be15a79a95d844f7936cdec01818c8a5

Threat Level: Known bad

The file bf6a774ab7ac79e9ca7855c969160d58 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

Loads dropped DLL

Deletes itself

Executes dropped EXE

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

2024-03-11 00:53

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

2024-03-11 00:53

Reported

2024-03-11 00:56

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.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\bf6a774ab7ac79e9ca7855c969160d58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.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 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

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

memory/2136-1-0x0000000001D20000-0x0000000001E53000-memory.dmp

memory/2136-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

MD5 c6a1277540b0edf7ebc3ef737e58e1a6
SHA1 98f2351ad6e24f5cafe8db1090e668e9e0c12b7a
SHA256 665bc2a30416323e58f930d16a8ef79017c1be88c3e9e1f6d016e4efbd56c447
SHA512 4998b1d92bf1bd4b8d13813a4be71466f4a30f5ce4d74525eeb12947bbc9e26f927d5a7ba18f469d090c59c3923528e38138bb130b38dbbf5e26a8e6a336b4e9

memory/2136-12-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2528-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2528-15-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/2528-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2528-20-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2528-21-0x00000000055B0000-0x00000000057DA000-memory.dmp

memory/2528-28-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-11 00:53

Reported

2024-03-11 00:56

Platform

win7-20240221-en

Max time kernel

122s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.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\bf6a774ab7ac79e9ca7855c969160d58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

"C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe"

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.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 172.67.194.101:80 yxeepsek.net tcp

Files

memory/2072-1-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2072-0-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2072-3-0x0000000000260000-0x0000000000393000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

MD5 650b51bfc7040f7f08dc5bd73d5e988c
SHA1 6b6458fffe727050592d6738395884009606d54a
SHA256 7d919f403fe2c277e2f4f2ced7bdf09a3d4432850601654db25c9c36aab3b4f7
SHA512 d1c520d19d1fb8a3ad0441068b7668784d624ecac94519d5674cf7cc1407fbdcca1e859546e6e841091a02abb12a8605521117a901b583a96365e68ee27c8082

\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

MD5 9ea1c4e27a2742211c7e3a14515b6d53
SHA1 2d77f81061ab8dba931c87ca26b5a8383db7bc93
SHA256 41b1bd311afb13674ade163d2eda2d3dadab434b1de6fe15b192e2428adec25b
SHA512 bdb0b8fc78a85ab305dcbe2f1bdcd03bd7d4c8269b31739148810f867634c2d1e4aa197ae67a72824a4cd52b4cb4b07c634938c6dc773e4b9f22a48ad71d8539

C:\Users\Admin\AppData\Local\Temp\bf6a774ab7ac79e9ca7855c969160d58.exe

MD5 c1b22a96a898c80dc8e0f74c0cbfed31
SHA1 b6d1fd45257e1f8c70db2759c10131f1de509938
SHA256 d987b17a3803f7ab6eba4e5ad7f1d29432e5ce3d229dd4d30c631232ffd0f2fa
SHA512 f171e68b6b36ee4ecd1873712127e018004a622a0a01e40048d16bb8e6bf2db7382dcd083397ae91e8d2bb975e68f87402cb11d65456b67b645e84eda5163e8d

memory/2072-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2072-15-0x00000000038D0000-0x0000000003DBF000-memory.dmp

memory/2996-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2996-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2996-18-0x00000000002B0000-0x00000000003E3000-memory.dmp

memory/2996-24-0x00000000032D0000-0x00000000034FA000-memory.dmp

memory/2996-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2072-31-0x00000000038D0000-0x0000000003DBF000-memory.dmp

memory/2996-32-0x0000000000400000-0x00000000008EF000-memory.dmp