Malware Analysis Report

2024-08-06 13:01

Sample ID 240605-f3zcrsgb97
Target 97496d9ff3660d5c31953cde3817bd60_JaffaCakes118
SHA256 d130880518914a29e0f9d01c2de9742284de894b8c40916528f5b7933fe0526d
Tags
asyncrat new103 rat
score
10/10

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
10/10

SHA256

d130880518914a29e0f9d01c2de9742284de894b8c40916528f5b7933fe0526d

Threat Level: Known bad

The file 97496d9ff3660d5c31953cde3817bd60_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

asyncrat new103 rat

AsyncRat

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-05 05:24

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-05 05:24

Reported

2024-06-05 05:56

Platform

win7-20240215-en

Max time kernel

120s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

Signatures

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1804 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 1804 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe

Processes

C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

C:\Windows\SysWOW64\timeout.exe

timeout 4

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp

Files

memory/1804-1-0x00000000010D0000-0x00000000010DC000-memory.dmp

memory/1804-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

memory/1804-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/1804-3-0x00000000746D0000-0x0000000074DBE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 05:24

Reported

2024-06-05 05:56

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

162s

Command Line

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

Signatures

AsyncRat

rat asyncrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5052 set thread context of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5052 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 5052 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 5052 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Windows\SysWOW64\timeout.exe
PID 5052 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 3140 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe
PID 5052 wrote to memory of 2368 N/A C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

C:\Windows\SysWOW64\timeout.exe

timeout 4

C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\97496d9ff3660d5c31953cde3817bd60_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5052 -ip 5052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5052 -s 1736

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.3.235:443 pastebin.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 235.3.20.104.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
IR 185.165.153.140:8808 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
IR 185.165.153.140:8808 tcp
IR 185.165.153.140:8808 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
IR 185.165.153.140:8808 tcp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
IR 185.165.153.140:8808 tcp
IR 185.165.153.140:8808 tcp
US 8.8.8.8:53 215.143.182.52.in-addr.arpa udp

Files

memory/5052-0-0x000000007495E000-0x000000007495F000-memory.dmp

memory/5052-1-0x00000000000E0000-0x00000000000EC000-memory.dmp

memory/5052-2-0x0000000004980000-0x0000000004A1C000-memory.dmp

memory/5052-3-0x0000000074950000-0x0000000075100000-memory.dmp

memory/5052-4-0x0000000005340000-0x0000000005364000-memory.dmp

memory/5052-5-0x0000000074950000-0x0000000075100000-memory.dmp

memory/5052-6-0x0000000005910000-0x0000000005EB4000-memory.dmp

memory/2368-7-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2368-8-0x0000000074950000-0x0000000075100000-memory.dmp

memory/5052-9-0x0000000074950000-0x0000000075100000-memory.dmp

memory/2368-10-0x0000000074950000-0x0000000075100000-memory.dmp

memory/2368-11-0x0000000074950000-0x0000000075100000-memory.dmp