Malware Analysis Report

2025-01-22 18:55

Sample ID 240308-mk3e2acg73
Target bb0982a7bf4ecdb5667e1171e1ef13b1
SHA256 444c9ae8d83115c237f19855d81f86eca9b893daa56623b3d47d6c6a75efd849
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

444c9ae8d83115c237f19855d81f86eca9b893daa56623b3d47d6c6a75efd849

Threat Level: Known bad

The file bb0982a7bf4ecdb5667e1171e1ef13b1 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker isfb trojan

Gozi

UPX packed file

Deletes itself

Executes dropped EXE

Loads dropped DLL

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-08 10:32

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

2024-03-08 10:32

Reported

2024-03-08 10:35

Platform

win7-20240221-en

Max time kernel

121s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.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\bb0982a7bf4ecdb5667e1171e1ef13b1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

"C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe"

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.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 104.21.20.204:80 yxeepsek.net tcp

Files

memory/2928-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2928-1-0x00000000002C0000-0x00000000003F3000-memory.dmp

memory/2928-2-0x0000000000400000-0x000000000062A000-memory.dmp

\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

MD5 32deb3c1c87296d57d9cb9550234fdfe
SHA1 c93ac191ec87598412c60c1ae80af3e7d8077fe6
SHA256 0fa2414c88a3fb9faec30b4412f6b6d77e65e90a3a8cc2a9d0f0b1ba9c949076
SHA512 04fb41a3920d8a0a35c8fd085738add6f6c13976b755a50271210e1f4c2fda70a8ce86fb62a27a2b57967dd10fef79d0bedcb8dcce0a951ea53c7c923017bb51

memory/2928-13-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

MD5 5e976356abb22f9f0184077fc43f5e04
SHA1 fcd3327364d201cbc180dc1c99c1a9f8ea1288d5
SHA256 4978c07012cf53bd126143226899290050fdc4dfb3f1ac4545aa6de72ab26801
SHA512 b7bfaa2499529ba2586d5bd2a89309321b0ebf96977565185dea0eeac41f94e81d0a0c12a2e600a37f4faafef6b38a0203658e2414e2a3caf18f2fefd2bdc00b

memory/2060-15-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/2060-17-0x0000000001B20000-0x0000000001C53000-memory.dmp

memory/2060-16-0x0000000000400000-0x000000000062A000-memory.dmp

memory/2060-22-0x0000000000400000-0x000000000061D000-memory.dmp

memory/2060-23-0x0000000003410000-0x000000000363A000-memory.dmp

memory/2928-30-0x0000000003F10000-0x00000000043FF000-memory.dmp

memory/2060-31-0x0000000000400000-0x00000000008EF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-08 10:32

Reported

2024-03-08 10:34

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.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\bb0982a7bf4ecdb5667e1171e1ef13b1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

"C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe"

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.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
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 101.194.67.172.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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 8.8.8.8:53 198.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/1624-0-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/1624-1-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/1624-2-0x0000000000400000-0x000000000062A000-memory.dmp

memory/1624-12-0x0000000000400000-0x000000000062A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\bb0982a7bf4ecdb5667e1171e1ef13b1.exe

MD5 612540c44a5af80aa7e9a12264a86c26
SHA1 9cf1d62df688f23a560c64ef24e1e6f269589e9e
SHA256 f4acb623e9028da3219660b03754bdd6248265b71992aece8b41d205cd58574f
SHA512 10357f11087e9b8d74b8dc99396301c671b0dd708e012990e1ed7518d2fe018c71f29c0b289669e74b9f96022ede3d98e1e913ad3f436d8080bc35290e542b31

memory/4324-14-0x0000000000400000-0x000000000062A000-memory.dmp

memory/4324-13-0x0000000000400000-0x00000000008EF000-memory.dmp

memory/4324-15-0x00000000018F0000-0x0000000001A23000-memory.dmp

memory/4324-20-0x0000000005560000-0x000000000578A000-memory.dmp

memory/4324-21-0x0000000000400000-0x000000000061D000-memory.dmp

memory/4324-28-0x0000000000400000-0x00000000008EF000-memory.dmp