Malware Analysis Report

2024-09-11 10:04

Sample ID 240411-f5jebsgd2z
Target ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118
SHA256 a6d2258a956d6f8f3d2fd401fa7d519c1c97cd37ba971c4949b981ce221ce5f9
Tags
limerat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a6d2258a956d6f8f3d2fd401fa7d519c1c97cd37ba971c4949b981ce221ce5f9

Threat Level: Known bad

The file ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
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

2024-04-11 05:27

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-11 05:27

Reported

2024-04-11 05:29

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A 0.tcp.ngrok.io N/A N/A
N/A 0.tcp.ngrok.io N/A N/A
N/A 0.tcp.ngrok.io N/A N/A
N/A 0.tcp.ngrok.io N/A N/A
N/A pastebin.com N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4852 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4852 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4852 wrote to memory of 1584 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 4852 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe
PID 4852 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe
PID 4852 wrote to memory of 2508 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Wservices.exe'"

C:\Users\Admin\AppData\Roaming\Wservices.exe

"C:\Users\Admin\AppData\Roaming\Wservices.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
US 8.8.8.8:53 170.34.67.172.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 100.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.13.191.225:17829 0.tcp.ngrok.io tcp
US 3.13.191.225:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 3.134.125.175:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 udp

Files

memory/4852-0-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/4852-1-0x0000000001180000-0x0000000001190000-memory.dmp

memory/4852-2-0x00000000752D0000-0x0000000075881000-memory.dmp

C:\Users\Admin\AppData\Roaming\Wservices.exe

MD5 ecc1fb4b0c9b8d5492385210ede743e0
SHA1 4eb78421227c33aaba01c70158906b3de99b0e81
SHA256 a6d2258a956d6f8f3d2fd401fa7d519c1c97cd37ba971c4949b981ce221ce5f9
SHA512 3eb9d2f2f9481dad5f4783a23e67b7dea047a2f460e4e880280c9f3b6d9851eac21ff14452ada7774d44e6dea80e1b7e8fdd351ab7da128cfab123e7c9ab4400

memory/2508-15-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2508-16-0x0000000000EB0000-0x0000000000EC0000-memory.dmp

memory/2508-17-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/4852-18-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2508-19-0x00000000752D0000-0x0000000075881000-memory.dmp

memory/2508-20-0x0000000000EB0000-0x0000000000EC0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-11 05:27

Reported

2024-04-11 05:30

Platform

win7-20240221-en

Max time kernel

163s

Max time network

187s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.ngrok.io N/A N/A
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A
N/A 0.tcp.ngrok.io N/A N/A
N/A 0.tcp.ngrok.io N/A N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Wservices.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1696 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 1696 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe
PID 1696 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe
PID 1696 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe
PID 1696 wrote to memory of 2416 N/A C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe C:\Users\Admin\AppData\Roaming\Wservices.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ecc1fb4b0c9b8d5492385210ede743e0_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Wservices.exe'"

C:\Users\Admin\AppData\Roaming\Wservices.exe

"C:\Users\Admin\AppData\Roaming\Wservices.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.67.143:443 pastebin.com tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 3.17.7.232:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 3.22.30.40:17829 0.tcp.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ngrok.io udp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp
US 3.14.182.203:17829 0.tcp.ngrok.io tcp

Files

memory/1696-0-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/1696-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/1696-2-0x0000000000B00000-0x0000000000B40000-memory.dmp

\Users\Admin\AppData\Roaming\Wservices.exe

MD5 ecc1fb4b0c9b8d5492385210ede743e0
SHA1 4eb78421227c33aaba01c70158906b3de99b0e81
SHA256 a6d2258a956d6f8f3d2fd401fa7d519c1c97cd37ba971c4949b981ce221ce5f9
SHA512 3eb9d2f2f9481dad5f4783a23e67b7dea047a2f460e4e880280c9f3b6d9851eac21ff14452ada7774d44e6dea80e1b7e8fdd351ab7da128cfab123e7c9ab4400

memory/2416-10-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2416-11-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/1696-12-0x0000000074CA0000-0x000000007524B000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

C:\Users\Admin\AppData\Local\Temp\Tar3828.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

memory/2416-50-0x0000000074CA0000-0x000000007524B000-memory.dmp

memory/2416-51-0x0000000000AF0000-0x0000000000B30000-memory.dmp

memory/2416-52-0x0000000074CA0000-0x000000007524B000-memory.dmp