Malware Analysis Report

2025-01-22 18:56

Sample ID 240311-s7whwsee9y
Target c0f9eb9e008677d19a7f868bce1b5d53
SHA256 cbc23945a1344796c333363798b1deae46f6e39e3d2db3bea82be89fa89b68db
Tags
upx isfb gozi
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

cbc23945a1344796c333363798b1deae46f6e39e3d2db3bea82be89fa89b68db

Threat Level: Known bad

The file c0f9eb9e008677d19a7f868bce1b5d53 was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

Loads dropped DLL

Executes dropped EXE

UPX packed file

Deletes itself

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-11 15:46

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: behavioral2

Detonation Overview

Submitted

2024-03-11 15:46

Reported

2024-03-11 15:49

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.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\c0f9eb9e008677d19a7f868bce1b5d53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

"C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe"

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 104.21.73.114:80 zipansion.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 yxeepsek.net udp
US 104.21.20.204:80 yxeepsek.net tcp
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 8.8.8.8:53 204.20.21.104.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.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 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 74.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 202.135.221.88.in-addr.arpa udp

Files

memory/4848-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4848-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/4848-2-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

MD5 c82f369d66865369e34ebced2ecc6fd8
SHA1 41da5fb9dba71cdcae8c0d14190a529ca0f2241b
SHA256 9685db198b93d76dafd5b35a99aa42280c4c5215fe5d262da4a2be901169b728
SHA512 e0da88f935a4f569078064ab578042aff4bb02d093960c1f5ad835d3c44c69493349aab1d22df2a87603ca5e23afe545f12ac5571d45f3985f4ee6b825989674

memory/2024-12-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4848-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2024-15-0x0000000001D10000-0x0000000001E43000-memory.dmp

memory/2024-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2024-20-0x0000000005610000-0x000000000583A000-memory.dmp

memory/2024-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2024-28-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-11 15:46

Reported

2024-03-11 15:49

Platform

win7-20240221-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

"C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe"

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

C:\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.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/2280-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2280-1-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2280-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\c0f9eb9e008677d19a7f868bce1b5d53.exe

MD5 c449658bec360bcea32d471b6e4840b2
SHA1 7fea604c5c62c8b8ce3458b0f6acbbd501268c48
SHA256 97ff8fec510fdf96640f4cf06277b18036c15196e1ef8e5eb9ee5968df9549ff
SHA512 8d4cabf7f5215ad8d5dfbbd6de0ddfbf92f7ff1a4f1107877cf7215703d2681ceb629281b09c8b586e70118033b15278c8f1e5aa69ccabe4631e450bd63ba604

memory/2280-14-0x00000000037F0000-0x0000000003CDF000-memory.dmp

memory/2596-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2280-13-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2596-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2596-20-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2596-23-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2596-25-0x0000000003410000-0x000000000363A000-memory.dmp

memory/2596-31-0x0000000000400000-0x00000000008EF000-memory.dmp