Malware Analysis Report

2025-03-15 04:38

Sample ID 241027-2dnevstgqe
Target 7642641936be02921252b837f10b27b0_JaffaCakes118
SHA256 732d0d953bf5afc402a06751ddf0ac1895712d721a41b38ff04e801d53ab006b
Tags
discovery persistence spyware stealer upx
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

732d0d953bf5afc402a06751ddf0ac1895712d721a41b38ff04e801d53ab006b

Threat Level: Known bad

The file 7642641936be02921252b837f10b27b0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

discovery persistence spyware stealer upx

Modifies WinLogon for persistence

Reads user/profile data of web browsers

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-27 22:28

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 22:28

Reported

2024-10-27 22:31

Platform

win7-20241010-en

Max time kernel

140s

Max time network

68s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe"

Signatures

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe N/A

Reads user/profile data of web browsers

spyware stealer

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
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\7642641936be02921252b837f10b27b0_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1820 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 2216 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe
PID 1820 wrote to memory of 1660 N/A C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp

Network

Country Destination Domain Proto
US 8.8.8.8:53 bigblueonline.com udp
CA 23.227.38.65:80 bigblueonline.com tcp
US 8.8.8.8:53 zonetf.com udp
US 76.223.54.146:80 zonetf.com tcp
US 8.8.8.8:53 zonetk.com udp
US 76.223.54.146:80 zonetf.com tcp
US 76.223.54.146:80 zonetf.com tcp
US 8.8.8.8:53 zonere.com udp
US 76.223.54.146:80 zonetf.com tcp
US 76.223.54.146:80 zonetf.com tcp
US 8.8.8.8:53 www.google.com udp
GB 172.217.169.36:80 www.google.com tcp
N/A 127.0.0.1:63111 tcp
US 8.8.8.8:53 offlineservermonitoring.com udp
US 76.223.54.146:80 zonetf.com tcp
GB 172.217.169.36:80 www.google.com tcp

Files

memory/1820-1-0x0000000000400000-0x000000000048A000-memory.dmp

memory/1820-2-0x0000000000400000-0x000000000048A000-memory.dmp

memory/2216-7-0x0000000000400000-0x000000000048A000-memory.dmp

memory/2216-5-0x0000000000400000-0x000000000048A000-memory.dmp

memory/1820-14-0x0000000000400000-0x000000000048A000-memory.dmp

C:\Users\Admin\AppData\Roaming\C736.889

MD5 9e5c3151a46b395e74bbccf1de7841df
SHA1 ae7a5e41dabc40356adb52e85c2d05cc7436eb20
SHA256 fe20a80fc730d6b50decdc4d12528d745f27f622290ca73b8e8ec652285c803a
SHA512 ec84b5fca01e8d7e98921f2c468e20014938ac2c0e77cd0688718716ce10bc71f78f2e1bf9135e07570704bd652b4b4a9cad112fa78af04538f6208c1b290721

memory/1660-72-0x0000000000400000-0x000000000048A000-memory.dmp

memory/1660-74-0x0000000000400000-0x000000000048A000-memory.dmp

memory/1820-75-0x0000000000400000-0x000000000048A000-memory.dmp

C:\Users\Admin\AppData\Roaming\C736.889

MD5 664fb3618a67ac50db08274498a280e7
SHA1 d2e89e2f08d90d62e8575257ba5efe2147be057f
SHA256 76b48e915f9559cdeb62fd9b8aa440febd9d552e3a44f20b726848edc94db8be
SHA512 021e70b6c577f6c1b01730351e2db94fe7a667c639752f13055b5017e15edf6a01a4d2a6d08ee82d283932b5ddaff5d55c040630548fca715e1ff17da1fb63c2

C:\Users\Admin\AppData\Roaming\C736.889

MD5 62510457be577ee4da4bb93327a0f965
SHA1 45f3e140ca0a079242bd76314f626554fb464383
SHA256 9cc140af8b5f419b82d8e4958553c2442bd2924e561a6b27f03998a3fc51a11e
SHA512 d94f729bdaf9fab5b67bc2daa3a81de21ff61535d269002045caf38f5097630fbcaf5f291d6b5a184c7e6854d181086ddcf8ba0de1bd9904ec4878e13420d822

memory/1820-168-0x0000000000400000-0x000000000048A000-memory.dmp

memory/1820-207-0x0000000000400000-0x000000000048A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 22:28

Reported

2024-10-27 22:32

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe"

Signatures

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\7642641936be02921252b837f10b27b0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7642641936be02921252b837f10b27b0_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 924 -ip 924

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 460

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

N/A