Malware Analysis Report

2025-01-22 16:28

Sample ID 241009-f2g24awgpe
Target 2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118
SHA256 93a86f29e85507cd4c2a021f3a6b0bccf40bf3519feb5d9fab38dcd97dc63a1b
Tags
upx gozi banker discovery isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

93a86f29e85507cd4c2a021f3a6b0bccf40bf3519feb5d9fab38dcd97dc63a1b

Threat Level: Known bad

The file 2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx gozi banker discovery isfb trojan

Gozi

Loads dropped DLL

Deletes itself

Executes dropped EXE

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-09 05:21

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

2024-10-09 05:21

Reported

2024-10-09 15:36

Platform

win7-20240903-en

Max time kernel

119s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe"

Signatures

Gozi

banker trojan gozi

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.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 publisher.linkvertise.com udp
US 104.22.23.72:443 publisher.linkvertise.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 linkvertise.com udp
US 172.67.31.186:443 linkvertise.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/1076-10-0x0000000000130000-0x0000000000242000-memory.dmp

memory/1076-7-0x0000000000400000-0x000000000086A000-memory.dmp

memory/1076-0-0x0000000000400000-0x00000000005F2000-memory.dmp

\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

MD5 4398a79808709b475a94ee9df6a3b08e
SHA1 e6860038ff6cbe4d6472a68cdd2fc7431607b116
SHA256 2665e192f1bd1a7d7df7988c18eacce796ef4ac349824030fad194dc8aa91508
SHA512 269aa2d7cac7d57decdad781a1115b616092e22b9010acc21f4639ef92019481dbda6c0c0bad147cc4f208755e334a6c53455aeb87f60dfddc79ba076615efcf

memory/1076-14-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2004-17-0x0000000000400000-0x000000000086A000-memory.dmp

memory/1076-16-0x00000000033D0000-0x000000000383A000-memory.dmp

memory/2004-18-0x0000000001A60000-0x0000000001B72000-memory.dmp

memory/2004-19-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/2004-41-0x0000000000400000-0x000000000086A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-09 05:21

Reported

2024-10-09 15:33

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.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 publisher.linkvertise.com udp
US 172.67.31.186:443 publisher.linkvertise.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 114.73.21.104.in-addr.arpa udp
US 8.8.8.8:53 186.31.67.172.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 c.pki.goog udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 150.171.30.10:443 g.bing.com tcp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 10.30.171.150.in-addr.arpa udp
US 8.8.8.8:53 195.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 linkvertise.com udp
US 104.22.23.72:443 linkvertise.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 72.23.22.104.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/3916-0-0x0000000000400000-0x000000000086A000-memory.dmp

memory/3916-1-0x0000000001B90000-0x0000000001CA2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\2b99f5abeb2dd426085be3aeddd16d96_JaffaCakes118.exe

MD5 91fa3ac55e970ec1d4a33be9d41e90b0
SHA1 6e47ef8bf1e58377fd46b39fb5118cb9a0621537
SHA256 80fbc570cfd02acb79c049871ba0ad9fd506eb145a2bf04569aa46709eb1a793
SHA512 885655c06fbe340039171a6a9a42e5599f0a13069a2c9a5425f085b52ad1d0c90c74664c2317e03205dae54335d1a60b16998dd5bbe9d90ebce9966d9b510249

memory/3916-2-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/3916-13-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/4564-14-0x0000000000400000-0x000000000086A000-memory.dmp

memory/4564-16-0x0000000000400000-0x00000000005F2000-memory.dmp

memory/4564-15-0x0000000001870000-0x0000000001982000-memory.dmp

memory/4564-31-0x0000000000400000-0x000000000086A000-memory.dmp