Malware Analysis Report

2024-07-28 11:13

Sample ID 240613-3xeshazemj
Target a7315a777921d20ca47c27ad31a567c1_JaffaCakes118
SHA256 8da93a2e831efa2e4371cded151113b8e5db52d77bab5427692d89d7c2cd4ee4
Tags
collection persistence spyware stealer
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
7/10

SHA256

8da93a2e831efa2e4371cded151113b8e5db52d77bab5427692d89d7c2cd4ee4

Threat Level: Shows suspicious behavior

The file a7315a777921d20ca47c27ad31a567c1_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

collection persistence spyware stealer

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Accesses Microsoft Outlook profiles

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

outlook_win_path

outlook_office_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Credentials in Registry
T1552.002
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Email Collection
T1114
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-13 23:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 23:53

Reported

2024-06-13 23:55

Platform

win7-20240221-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

Signatures

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tregain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Products\\WinDecode.exe" C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1924 set thread context of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1924 wrote to memory of 2916 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
NL 191.96.249.212:80 tcp
NL 191.96.249.212:80 tcp
NL 191.96.249.212:80 tcp
NL 191.96.249.212:80 tcp
NL 191.96.249.212:80 tcp

Files

memory/1924-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

memory/1924-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/1924-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/1924-5-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-12-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2916-16-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1924-18-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-19-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-17-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-7-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2916-20-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-21-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-22-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2916-24-0x0000000074CA0000-0x000000007524B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 23:53

Reported

2024-06-13 23:55

Platform

win10v2004-20240611-en

Max time kernel

145s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

Signatures

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tregain = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Products\\WinDecode.exe" C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1244 set thread context of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe
PID 1244 wrote to memory of 3824 N/A C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe"

Network

Country Destination Domain Proto
BE 2.17.107.203:80 tcp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
NL 191.96.249.212:80 tcp
US 8.8.8.8:53 73.247.226.132.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 191.96.249.212:80 tcp
NL 191.96.249.212:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
NL 191.96.249.212:80 tcp
US 8.8.8.8:53 67.112.168.52.in-addr.arpa udp
NL 191.96.249.212:80 tcp

Files

memory/1244-0-0x0000000074972000-0x0000000074973000-memory.dmp

memory/1244-1-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1244-2-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-5-0x0000000000400000-0x0000000000438000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\a7315a777921d20ca47c27ad31a567c1_JaffaCakes118.exe.log

MD5 181f8ee43a58681f752dbbd9784192b2
SHA1 0f8f8bf12da0aba71899eb027d20c374d3c863af
SHA256 b87a19bc9d31616efc3ee1b3a5f8db72888ec82a9fd9cdc3b5d642f1de345e77
SHA512 42f7d9a88f003a3f6629648c120db7600dbd175c4b1bdb0240f6e76619566177c7a750a89ae38c97d746f13ee4bc5a6b39b7ab7f6d78fa4567e4a0b6b1a7f88d

memory/3824-8-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-11-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/1244-10-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-9-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-12-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-13-0x0000000074970000-0x0000000074F21000-memory.dmp

memory/3824-14-0x0000000074970000-0x0000000074F21000-memory.dmp