Malware Analysis Report

2025-01-22 18:57

Sample ID 240317-z4hk7agb83
Target d1e325c56a04d97e6cdf53b35798a6fe
SHA256 c3ce275a21fac41a2b9b9d0c017687b71ca063087a6c0446f9b9ae4dd76c6a50
Tags
upx isfb gozi
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

c3ce275a21fac41a2b9b9d0c017687b71ca063087a6c0446f9b9ae4dd76c6a50

Threat Level: Known bad

The file d1e325c56a04d97e6cdf53b35798a6fe was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

UPX packed file

Loads dropped DLL

Deletes itself

Executes dropped EXE

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-17 21:16

Signatures

Gozi family

gozi

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

2024-03-17 21:16

Reported

2024-03-17 21:18

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.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\d1e325c56a04d97e6cdf53b35798a6fe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

"C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe"

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.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/2224-1-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2224-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2224-0-0x0000000000400000-0x00000000008EF000-memory.dmp

\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

MD5 b2cc9dbf9d57ba778caf5f00d2680fbb
SHA1 a3169a7a00b597192a74f80f163dda36ea219374
SHA256 9f645e1121dec26e7448b741816b7abd9ab18e0dff7608a9f134b2cc3730ab2d
SHA512 78da72127d58b2badf9dd020ad55326c26d2b9186bc68df1af2f3e37c46a484fe303cf578661eddf7977b2acfd5b8be35f936ec9c5d4d52a29e2e4bbe67af1a5

memory/2224-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1780-17-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1780-16-0x0000000000400000-0x00000000008EF000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

MD5 2548f731d2dc33f77a6fe9498649bcd0
SHA1 c7493f88eaf6b4b814aa9478896a5b94e6d32e60
SHA256 93a7964225a75bdb3d18afef9b96cf777979bdea2b7aea5f1744501c0036aefb
SHA512 10266e0bfacd8655233db43c94d5e6718e4eea79b1e7f8c487fc48b9990175433e5b4faeba3fb50157681b16f5612793919dc2cbd2ea58a54f4ea28565917957

memory/2224-13-0x00000000037F0000-0x0000000003CDF000-memory.dmp

memory/1780-19-0x00000000002A0000-0x00000000003D3000-memory.dmp

memory/1780-24-0x0000000003530000-0x000000000375A000-memory.dmp

memory/1780-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/1780-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-17 21:16

Reported

2024-03-17 21:18

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.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\d1e325c56a04d97e6cdf53b35798a6fe.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

"C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe"

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 172.67.144.180:80 zipansion.com tcp
US 8.8.8.8:53 36.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.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 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 51.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 10.175.16.69.in-addr.arpa 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 8.8.8.8:53 184.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 7.173.189.20.in-addr.arpa udp
GB 96.17.178.184:80 tcp

Files

memory/4016-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4016-1-0x0000000001D20000-0x0000000001E53000-memory.dmp

memory/4016-2-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4016-12-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\d1e325c56a04d97e6cdf53b35798a6fe.exe

MD5 ef95a0c38c53e6423fe8fa02ab443469
SHA1 a796d8bd9507ae5bcaabab08c478d506411cccd3
SHA256 5465ce97f38ebe2329255c882438a136f6a7981d9770a42530d9a72482c92fa1
SHA512 5e2547f99d175323ace7cdf6a1daede71d2423123f8e5ef0432d9fd874bc07d699694467ff25e9787dfee609ada46104bc10d9a409227e1de33740e693fc067f

memory/4800-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4800-14-0x0000000001DE0000-0x0000000001F13000-memory.dmp

memory/4800-15-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4800-20-0x00000000056E0000-0x000000000590A000-memory.dmp

memory/4800-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/4800-28-0x0000000000400000-0x00000000008EF000-memory.dmp