Malware Analysis Report

2024-09-11 09:56

Sample ID 240615-h6tb2asbqc
Target ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118
SHA256 09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322
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

09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322

Threat Level: Known bad

The file ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Limerat family

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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
Peripheral Device Discovery
T1120
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

2024-06-15 07:21

Signatures

Limerat family

limerat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 07:21

Reported

2024-06-15 07:23

Platform

win10v2004-20240611-en

Max time kernel

133s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\client.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 pastebin.com 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\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\client.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\client.exe 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\Local\Temp\client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\client.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 940 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 940 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 940 wrote to memory of 3780 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 940 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe
PID 940 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe
PID 940 wrote to memory of 4416 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
LV 85.234.188.114:1337 tcp
US 8.8.8.8:53 235.4.20.104.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp

Files

memory/940-0-0x000000007510E000-0x000000007510F000-memory.dmp

memory/940-1-0x0000000000270000-0x0000000000290000-memory.dmp

memory/940-2-0x0000000004C10000-0x0000000004CAC000-memory.dmp

memory/940-3-0x0000000004CB0000-0x0000000004D16000-memory.dmp

memory/940-4-0x0000000075100000-0x00000000758B0000-memory.dmp

memory/940-5-0x00000000059E0000-0x0000000005F84000-memory.dmp

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

MD5 ad4feb0e4a1b1ed0696d584ef354bb19
SHA1 f3ca5de92d8b9e215bb6a80fd6755f5b489b44a0
SHA256 09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322
SHA512 06507ec9488f0073227da3852651a574af18c6ef20a246c5a33fa664c855994b1c41f3d65bf41196752383925c4ff532b54e6592504daab1396d3a008285ed7b

memory/940-15-0x0000000075100000-0x00000000758B0000-memory.dmp

memory/4416-16-0x0000000075100000-0x00000000758B0000-memory.dmp

memory/4416-17-0x0000000075100000-0x00000000758B0000-memory.dmp

memory/4416-18-0x0000000006E40000-0x0000000006ED2000-memory.dmp

memory/4416-19-0x0000000075100000-0x00000000758B0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 07:21

Reported

2024-06-15 07:23

Platform

win7-20240611-en

Max time kernel

136s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.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 pastebin.com N/A N/A

Maps connected drives based on registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\client.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\client.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe 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\Local\Temp\client.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\client.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2408 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2408 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2408 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2408 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Windows\SysWOW64\schtasks.exe
PID 2408 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe
PID 2408 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe
PID 2408 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe
PID 2408 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\client.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe"

C:\Windows\SysWOW64\schtasks.exe

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 172.67.19.24:443 pastebin.com tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp
LV 85.234.188.114:1337 tcp

Files

memory/2408-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

memory/2408-1-0x0000000000A20000-0x0000000000A40000-memory.dmp

\Users\Admin\AppData\Local\Temp\client.exe

MD5 ad4feb0e4a1b1ed0696d584ef354bb19
SHA1 f3ca5de92d8b9e215bb6a80fd6755f5b489b44a0
SHA256 09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322
SHA512 06507ec9488f0073227da3852651a574af18c6ef20a246c5a33fa664c855994b1c41f3d65bf41196752383925c4ff532b54e6592504daab1396d3a008285ed7b

memory/2716-12-0x00000000001E0000-0x0000000000200000-memory.dmp

memory/2408-13-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/2716-14-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/2716-15-0x0000000074AC0000-0x00000000751AE000-memory.dmp

memory/2716-16-0x0000000074AC0000-0x00000000751AE000-memory.dmp