Malware Analysis Report

2024-09-11 10:03

Sample ID 240330-vp1e8sac7x
Target 405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118
SHA256 55d3d6ed09fa05730edb9372a13567fbc0675eb4815e10cd08478d66bc5b8964
Tags
limerat 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

55d3d6ed09fa05730edb9372a13567fbc0675eb4815e10cd08478d66bc5b8964

Threat Level: Known bad

The file 405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

limerat rat

LimeRAT

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

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
Peripheral Device Discovery
T1120
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

2024-03-30 17:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-30 17:10

Reported

2024-03-30 17:13

Platform

win7-20231129-en

Max time kernel

131s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe N/A
N/A N/A C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe N/A
N/A N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.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\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\LocalLpblWSfZBy.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\LocalLpblWSfZBy.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\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 2316 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 2316 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe
PID 2316 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe
PID 2316 wrote to memory of 940 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe
PID 2740 wrote to memory of 2796 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 2740 wrote to memory of 2796 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 2740 wrote to memory of 2796 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 2740 wrote to memory of 2796 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 2740 wrote to memory of 1144 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe
PID 2740 wrote to memory of 1144 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe
PID 2740 wrote to memory of 1144 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe
PID 2740 wrote to memory of 1144 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe

Processes

C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe"

C:\Users\Admin\AppData\LocalLpblWSfZBy.exe

"C:\Users\Admin\AppData\LocalLpblWSfZBy.exe"

C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe

"C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn 3ndg4m3 /tr "'C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe'"

C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe

"C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 pastebin.com udp
US 104.20.68.143:443 pastebin.com tcp
US 8.8.8.8:53 www.microsoft.com udp
GB 193.56.28.163:7495 tcp
GB 193.56.28.163:6514 tcp
GB 193.56.28.163:6514 tcp

Files

memory/2316-0-0x0000000000E50000-0x00000000011E4000-memory.dmp

memory/2316-1-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

memory/2316-2-0x000000001AF60000-0x000000001B0B8000-memory.dmp

memory/2316-3-0x000000001B540000-0x000000001B5C0000-memory.dmp

C:\Users\Admin\AppData\LocalLpblWSfZBy.exe

MD5 b770462cc92a1e134e87177458b3fdca
SHA1 9df6cf37f9e66490942f440d53e8e9322b773918
SHA256 4ea78ee731dd1ebbef5e26144ca9db420b28370eb8471445a35b73508b58a8f1
SHA512 a4aeb903e2db5899133664d9a884db11a6d2837bfb1bb0a68d270c55343dd2f7fe2d228fd78e6e7e99fe2ed7529d7f3cba2a9ce32837d3119dc4b877daa91f0f

C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe

MD5 a133941d2c514be98b4f93e70c8d6d0b
SHA1 a38fd4ffb244598594cee7ce11c82a54cf08ea75
SHA256 cc43e6ab19ccbc285536eb4b3f3fa356daa7fba69d4ec75d83a1f4e9dd637796
SHA512 29342c484b75efb91e0ca3f8c636acc5ee8d9daf95934a4e013f54593a9843113d179fdc2bdc0c37c7522a05b842a6212f15edac653d601c20fbb925000f5023

memory/940-19-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

memory/940-21-0x0000000000230000-0x00000000002E0000-memory.dmp

memory/2316-20-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

memory/2740-22-0x0000000000980000-0x0000000000A14000-memory.dmp

memory/2740-23-0x0000000074990000-0x000000007507E000-memory.dmp

memory/940-24-0x000000001AFF0000-0x000000001B070000-memory.dmp

memory/940-25-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

memory/2740-26-0x0000000074990000-0x000000007507E000-memory.dmp

memory/940-27-0x000000001AFF0000-0x000000001B070000-memory.dmp

memory/2740-29-0x0000000004DC0000-0x0000000004E00000-memory.dmp

memory/2740-40-0x0000000074990000-0x000000007507E000-memory.dmp

memory/1144-39-0x0000000000850000-0x00000000008E4000-memory.dmp

memory/1144-41-0x0000000074990000-0x000000007507E000-memory.dmp

memory/1144-42-0x0000000074990000-0x000000007507E000-memory.dmp

memory/1144-43-0x00000000046C0000-0x0000000004700000-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\Tar5DB0.tmp

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

memory/1144-80-0x00000000046C0000-0x0000000004700000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-30 17:10

Reported

2024-03-30 17:13

Platform

win10v2004-20240226-en

Max time kernel

133s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe"

Signatures

LimeRAT

rat limerat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\LocalLpblWSfZBy.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe N/A
N/A N/A C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.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\LocalLpblWSfZBy.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\LocalLpblWSfZBy.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\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3448 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 3448 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 3448 wrote to memory of 1364 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalLpblWSfZBy.exe
PID 3448 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe
PID 3448 wrote to memory of 4112 N/A C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe
PID 1364 wrote to memory of 3484 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 1364 wrote to memory of 3484 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 1364 wrote to memory of 3484 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Windows\SysWOW64\schtasks.exe
PID 1364 wrote to memory of 3496 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe
PID 1364 wrote to memory of 3496 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe
PID 1364 wrote to memory of 3496 N/A C:\Users\Admin\AppData\LocalLpblWSfZBy.exe C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe

Processes

C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\405cacd2e01aa2630b36a2566d36bb67_JaffaCakes118.exe"

C:\Users\Admin\AppData\LocalLpblWSfZBy.exe

"C:\Users\Admin\AppData\LocalLpblWSfZBy.exe"

C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe

"C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /f /sc ONLOGON /RL HIGHEST /tn 3ndg4m3 /tr "'C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe'"

C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe

"C:\Users\Admin\AppData\Local\Temp\Windowsupdate\WinWebShild-x86.3.4.7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 219.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 pastebin.com udp
US 172.67.34.170:443 pastebin.com tcp
GB 193.56.28.163:7495 tcp
US 8.8.8.8:53 170.34.67.172.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
GB 193.56.28.163:7495 tcp
GB 193.56.28.163:6514 tcp

Files

memory/3448-0-0x0000000000660000-0x00000000009F4000-memory.dmp

memory/3448-1-0x00007FFA2BAA0000-0x00007FFA2C561000-memory.dmp

memory/3448-2-0x000000001B550000-0x000000001B6A8000-memory.dmp

memory/3448-4-0x000000001B830000-0x000000001B840000-memory.dmp

C:\Users\Admin\AppData\LocalLpblWSfZBy.exe

MD5 b770462cc92a1e134e87177458b3fdca
SHA1 9df6cf37f9e66490942f440d53e8e9322b773918
SHA256 4ea78ee731dd1ebbef5e26144ca9db420b28370eb8471445a35b73508b58a8f1
SHA512 a4aeb903e2db5899133664d9a884db11a6d2837bfb1bb0a68d270c55343dd2f7fe2d228fd78e6e7e99fe2ed7529d7f3cba2a9ce32837d3119dc4b877daa91f0f

C:\Users\Admin\AppData\LocalvpVsCaBmPb.exe

MD5 a133941d2c514be98b4f93e70c8d6d0b
SHA1 a38fd4ffb244598594cee7ce11c82a54cf08ea75
SHA256 cc43e6ab19ccbc285536eb4b3f3fa356daa7fba69d4ec75d83a1f4e9dd637796
SHA512 29342c484b75efb91e0ca3f8c636acc5ee8d9daf95934a4e013f54593a9843113d179fdc2bdc0c37c7522a05b842a6212f15edac653d601c20fbb925000f5023

memory/1364-23-0x0000000000A90000-0x0000000000B24000-memory.dmp

memory/3448-24-0x00007FFA2BAA0000-0x00007FFA2C561000-memory.dmp

memory/4112-26-0x000000001ADF0000-0x000000001AE00000-memory.dmp

memory/4112-28-0x00007FFA2BAA0000-0x00007FFA2C561000-memory.dmp

memory/1364-27-0x00000000055A0000-0x0000000005606000-memory.dmp

memory/1364-25-0x00000000054A0000-0x000000000553C000-memory.dmp

memory/4112-22-0x0000000000160000-0x0000000000210000-memory.dmp

memory/1364-21-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/1364-29-0x0000000005410000-0x0000000005420000-memory.dmp

memory/1364-30-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/4112-31-0x000000001ADF0000-0x000000001AE00000-memory.dmp

memory/4112-32-0x00007FFA2BAA0000-0x00007FFA2C561000-memory.dmp

memory/1364-33-0x0000000005410000-0x0000000005420000-memory.dmp

memory/1364-34-0x00000000062C0000-0x0000000006864000-memory.dmp

memory/3496-44-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/1364-46-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/3496-45-0x0000000005490000-0x00000000054A0000-memory.dmp

memory/3496-47-0x0000000074650000-0x0000000074E00000-memory.dmp

memory/3496-48-0x0000000005490000-0x00000000054A0000-memory.dmp

memory/3496-49-0x0000000006600000-0x0000000006692000-memory.dmp