Malware Analysis Report

2025-01-22 18:56

Sample ID 240314-jv136sed4y
Target c81c811f6496a068bc118df59fcff64a
SHA256 aa392bc1b61e660ae6c448644975a764ad6572ed8f2b8b40a9d64183f97e19de
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

aa392bc1b61e660ae6c448644975a764ad6572ed8f2b8b40a9d64183f97e19de

Threat Level: Known bad

The file c81c811f6496a068bc118df59fcff64a 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

2024-03-14 08:00

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

2024-03-14 08:00

Reported

2024-03-14 08:02

Platform

win7-20240221-en

Max time kernel

117s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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\c81c811f6496a068bc118df59fcff64a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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/2076-1-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2076-2-0x0000000000280000-0x00000000003B1000-memory.dmp

memory/2076-0-0x0000000000400000-0x00000000008E7000-memory.dmp

\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

MD5 80ed4add5fb4dd4b6929ed28d54aa9ba
SHA1 a9913509c1dbbddcf79fd8ade09dd7028da7190b
SHA256 4e74011749a69542b9451175991bb76fe5c826ca0c3d76d869622a5c1779c83e
SHA512 05daa6b7fa0ae8d6e5e11988cdbff52f4392706a814b1baa389cfbaa6da9939b95b3b8e91873af87552d8e193e42a3aa1e4e0c23865e68400b17a4846a0a5ded

memory/2076-14-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2884-17-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/2076-13-0x00000000035C0000-0x0000000003AA7000-memory.dmp

memory/2884-20-0x0000000001B10000-0x0000000001C41000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

MD5 545fb6f57133320360eecddae36723d8
SHA1 0e2e7523c81ff3e73e2cc943dfd452e4144dcee8
SHA256 03589057ca6d3a04008a50f6ba5b97df053039749368729c9892045f29805e16
SHA512 22c265c7b2798ecd41222fc714d75b010466caf1c340f09d4cb1d0ba0fa99332805339383e308249c3f33f255a258cb7b81267740920b0a69997bc973a1122fe

memory/2884-16-0x0000000000400000-0x0000000000622000-memory.dmp

memory/2884-25-0x00000000033F0000-0x0000000003612000-memory.dmp

memory/2884-23-0x0000000000400000-0x0000000000616000-memory.dmp

memory/2076-31-0x00000000035C0000-0x0000000003AA7000-memory.dmp

memory/2884-32-0x0000000000400000-0x00000000008E7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 08:00

Reported

2024-03-14 08:02

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.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\c81c811f6496a068bc118df59fcff64a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

"C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe"

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 zipansion.com udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa 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 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 13.86.106.20.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 175.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 23.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
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
GB 96.17.178.174:80 tcp

Files

memory/5008-0-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/5008-1-0x0000000001D00000-0x0000000001E31000-memory.dmp

memory/5008-2-0x0000000000400000-0x0000000000622000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c81c811f6496a068bc118df59fcff64a.exe

MD5 70ac3a9cbc8062612cb9f2099e309963
SHA1 f7043d607ed5ba0c161473d272d3904f3a271cdb
SHA256 8968b1d00d7527a94d9534c934265cd71f95d629b33d68b0ee37fc967ea8375e
SHA512 559d3f05d4e4190407a8be5566766a24076eae72f97614b14fc2a7c1ca85ad7f79bbbb358b4ac373383efc98dc39b396abcc5169170de8baea31323dc213c295

memory/5008-12-0x0000000000400000-0x0000000000622000-memory.dmp

memory/4524-13-0x0000000000400000-0x0000000000622000-memory.dmp

memory/4524-15-0x0000000001D90000-0x0000000001EC1000-memory.dmp

memory/4524-14-0x0000000000400000-0x00000000008E7000-memory.dmp

memory/4524-20-0x0000000005680000-0x00000000058A2000-memory.dmp

memory/4524-21-0x0000000000400000-0x0000000000616000-memory.dmp

memory/4524-28-0x0000000000400000-0x00000000008E7000-memory.dmp