Malware Analysis Report

2024-10-19 10:27

Sample ID 240620-dddnnazajl
Target 023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118
SHA256 d97496bd7b2111c332f4ea8e1af4938be8db36c8de4c7eba7d2d2b4520a5c0bf
Tags
isrstealer stealer trojan 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

d97496bd7b2111c332f4ea8e1af4938be8db36c8de4c7eba7d2d2b4520a5c0bf

Threat Level: Known bad

The file 023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isrstealer stealer trojan upx

ISR Stealer

ISR Stealer payload

Deletes itself

Uses the VBS compiler for execution

UPX packed file

Checks computer location settings

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 02:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 02:53

Reported

2024-06-20 02:55

Platform

win7-20240508-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

Signatures

ISR Stealer

trojan stealer isrstealer

ISR Stealer payload

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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
N/A N/A N/A N/A

Uses the VBS compiler for execution

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2036 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2036 wrote to memory of 1972 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1708 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1708 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 2684 wrote to memory of 2868 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2684 wrote to memory of 2868 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2684 wrote to memory of 2868 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2684 wrote to memory of 2868 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

/scomma "C:\Users\Admin\AppData\Local\Temp\09hZ2MSKyG.ini"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

C:\Windows\SysWOW64\PING.EXE

ping 1.1.1.1 -n 1 -w 1000

Network

Country Destination Domain Proto
US 8.8.8.8:53 kppd.comli.com udp
US 153.92.0.100:80 kppd.comli.com tcp

Files

memory/1708-0-0x00000000748A1000-0x00000000748A2000-memory.dmp

memory/1708-1-0x00000000748A0000-0x0000000074E4B000-memory.dmp

memory/1708-2-0x00000000748A0000-0x0000000074E4B000-memory.dmp

memory/2036-3-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2036-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2036-11-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2036-5-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2036-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1972-16-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1972-19-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1972-20-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1972-21-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1708-22-0x00000000748A0000-0x0000000074E4B000-memory.dmp

memory/1972-24-0x0000000000400000-0x0000000000453000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\09hZ2MSKyG.ini

MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

memory/2036-26-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2036-29-0x0000000000400000-0x0000000000435000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 02:53

Reported

2024-06-20 02:55

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

Signatures

ISR Stealer

trojan stealer isrstealer

ISR Stealer payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_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
N/A N/A N/A N/A

Uses the VBS compiler for execution

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 2372 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 2372 wrote to memory of 3428 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
PID 1152 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1152 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1152 wrote to memory of 3212 N/A C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 3212 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3212 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3212 wrote to memory of 4940 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

/scomma "C:\Users\Admin\AppData\Local\Temp\qJGndg12a4.ini"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\023224dcec53ae2b55eb5eb2d5cc78c5_JaffaCakes118.exe"

C:\Windows\SysWOW64\PING.EXE

ping 1.1.1.1 -n 1 -w 1000

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 kppd.comli.com udp
US 153.92.0.100:80 kppd.comli.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/1152-0-0x0000000074692000-0x0000000074693000-memory.dmp

memory/1152-1-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/1152-2-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/2372-5-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2372-3-0x0000000000400000-0x0000000000435000-memory.dmp

memory/3428-11-0x0000000000400000-0x0000000000453000-memory.dmp

memory/1152-18-0x0000000074690000-0x0000000074C41000-memory.dmp

memory/3428-15-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3428-12-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3428-9-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2372-8-0x0000000000400000-0x0000000000435000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\qJGndg12a4.ini

MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

memory/2372-20-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2372-23-0x0000000000400000-0x0000000000435000-memory.dmp