Malware Analysis Report

2025-01-22 18:58

Sample ID 240314-q534vadf6x
Target c8c51ae44124bcaa1bad5e1bc4758daa
SHA256 21cb6d0c5cf91347f256ef470ad7088366c77c1b60c89580f3baa987a824a870
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

21cb6d0c5cf91347f256ef470ad7088366c77c1b60c89580f3baa987a824a870

Threat Level: Known bad

The file c8c51ae44124bcaa1bad5e1bc4758daa was found to be: Known bad.

Malicious Activity Summary

upx isfb gozi

Gozi family

Loads dropped DLL

UPX packed file

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

2024-03-14 13:51

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

2024-03-14 13:51

Reported

2024-03-14 13:54

Platform

win7-20240221-en

Max time kernel

118s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.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
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\c8c51ae44124bcaa1bad5e1bc4758daa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

"C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe"

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.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/2320-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2320-1-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2320-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

MD5 6c119053942dc418b835fd51b8b9be7a
SHA1 dec3d2b4da2fe910197022e73850e9c5cc24fc0c
SHA256 4c8e08adce30e989fda72e4445fcfee46d70b2fc5b54559cbbffa8b28a1f880a
SHA512 24dcd374740767599bb60e034e8d19ade881117ef1354e1b6ca22aa961067bfda303ab3fbb38f4b35e7cefa82be9d88e119bc9100bca1ac89c410304b13e4e67

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

MD5 2032336c05722db859184f908d9240fe
SHA1 6aa3354dc91bf0247953e4e04fc13e6d0892c2f8
SHA256 3c304303b006e3bccc87911b27b34f47269bb01fe25b1d90c59eef8d868ec304
SHA512 ec5143ca4e1413a283486699e2c6d0588fd5249ca020f4c0ba78391b9a4e16333f854cade48afb9a0e3fe840057b96954fc96a04f93d56e68684ece8b327199d

memory/2320-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1912-17-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2320-14-0x0000000004390000-0x000000000487F000-memory.dmp

memory/1912-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/1912-18-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1912-25-0x00000000035A0000-0x00000000037CA000-memory.dmp

memory/1912-24-0x0000000000400000-0x000000000061D000-memory.dmp

memory/1912-32-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 13:51

Reported

2024-03-14 13:54

Platform

win10v2004-20240226-en

Max time kernel

146s

Max time network

170s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.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\c8c51ae44124bcaa1bad5e1bc4758daa.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

"C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe"

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.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=4104 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 177.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 zipansion.com udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 172.67.144.180:80 zipansion.com tcp
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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 34.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 185.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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

Files

memory/1408-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1408-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/1408-2-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1408-12-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\c8c51ae44124bcaa1bad5e1bc4758daa.exe

MD5 6d8913bbe1bdc4b029fdea7804d3e402
SHA1 fb8d104850669b688553a6b3f44782b4df4ad5cc
SHA256 dd3eb2ca719860cd1747ac275e35213ade694faebb69b0c2788ae2e220522c6b
SHA512 51139ae421d440e0eb65fc4a324322a6b64e94da0cd72282e247a56e938fd827b642056a94e6460c85295286ec26414cc3e410880c06296d5e5bc1a1d812d5a9

memory/1616-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1616-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1616-15-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/1616-20-0x00000000055C0000-0x00000000057EA000-memory.dmp

memory/1616-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/1616-28-0x0000000000400000-0x00000000008EF000-memory.dmp