Malware Analysis Report

2024-10-19 10:27

Sample ID 240627-frsqvawerp
Target 14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118
SHA256 225829356ad00c2f1c3e5d8dd4edb61ae446d3b2ec4ed3a9f282715a36a72b7f
Tags
isrstealer spyware 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

225829356ad00c2f1c3e5d8dd4edb61ae446d3b2ec4ed3a9f282715a36a72b7f

Threat Level: Known bad

The file 14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isrstealer spyware stealer trojan upx

ISR Stealer

ISR Stealer payload

Reads user/profile data of web browsers

UPX packed file

Maps connected drives based on registry

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 05:06

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 05:06

Reported

2024-06-27 05:09

Platform

win7-20231129-en

Max time kernel

140s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_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

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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2216 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2544 wrote to memory of 3068 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

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

Network

N/A

Files

memory/2544-2-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2544-6-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2544-10-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2544-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2544-4-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2544-15-0x0000000000400000-0x0000000000432000-memory.dmp

memory/3068-16-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3068-18-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3068-20-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3068-19-0x0000000000400000-0x0000000000453000-memory.dmp

memory/3068-24-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2544-25-0x0000000000400000-0x0000000000432000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 05:06

Reported

2024-06-27 05:09

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_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

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

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2964 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe
PID 2784 wrote to memory of 564 N/A C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\14c6fe940d7a17dd0ca995e5ff6c903d_JaffaCakes118.exe

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 205.201.50.20.in-addr.arpa udp

Files

memory/2784-2-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2784-4-0x0000000000400000-0x0000000000432000-memory.dmp

memory/564-7-0x0000000000400000-0x0000000000453000-memory.dmp

memory/564-9-0x0000000000400000-0x0000000000453000-memory.dmp

memory/564-10-0x0000000000400000-0x0000000000453000-memory.dmp

memory/564-11-0x0000000000400000-0x0000000000453000-memory.dmp

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

MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

memory/564-14-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2784-16-0x0000000000400000-0x0000000000432000-memory.dmp