Malware Analysis Report

2024-10-23 17:07

Sample ID 240401-x1jyqsdf47
Target 78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118
SHA256 44c0043b7e3ae7cb7c13690875d6a2adda546b3b309b0504b233ce4c7d8d80d5
Tags
xloader ef6c loader rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

44c0043b7e3ae7cb7c13690875d6a2adda546b3b309b0504b233ce4c7d8d80d5

Threat Level: Known bad

The file 78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

xloader ef6c loader rat

Xloader

Xloader payload

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-01 19:19

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-01 19:19

Reported

2024-04-01 19:21

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 640 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe
PID 640 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

Network

N/A

Files

memory/640-0-0x0000000000C90000-0x0000000000D72000-memory.dmp

memory/640-1-0x0000000074A00000-0x00000000750EE000-memory.dmp

memory/640-2-0x00000000070C0000-0x0000000007100000-memory.dmp

memory/640-3-0x0000000004180000-0x0000000004198000-memory.dmp

memory/640-4-0x0000000074A00000-0x00000000750EE000-memory.dmp

memory/640-5-0x00000000070C0000-0x0000000007100000-memory.dmp

memory/640-6-0x0000000004840000-0x00000000048B2000-memory.dmp

memory/2524-9-0x0000000000400000-0x0000000000429000-memory.dmp

memory/640-14-0x0000000074A00000-0x00000000750EE000-memory.dmp

memory/2524-13-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2524-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2524-7-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2524-15-0x00000000008D0000-0x0000000000BD3000-memory.dmp

memory/2524-16-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-01 19:19

Reported

2024-04-01 19:21

Platform

win10v2004-20240319-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

Signatures

Xloader

loader xloader

Xloader payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\78446f2196f6056a03cd4b4c838ec6a9_JaffaCakes118.exe"

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=4172 --field-trial-handle=2260,i,11662483365823245381,11064702639240765741,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 143.85.18.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 5.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 224.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 199.122.19.2.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
GB 13.105.221.15:443 tcp
GB 13.105.221.15:443 tcp
US 8.8.8.8:53 214.122.19.2.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/3680-1-0x0000000000890000-0x0000000000972000-memory.dmp

memory/3680-0-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/3680-2-0x0000000007D50000-0x00000000082F4000-memory.dmp

memory/3680-3-0x0000000007840000-0x00000000078D2000-memory.dmp

memory/3680-4-0x0000000007A80000-0x0000000007A90000-memory.dmp

memory/3680-5-0x0000000007810000-0x000000000781A000-memory.dmp

memory/3680-6-0x0000000007820000-0x0000000007838000-memory.dmp

memory/3680-7-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/3680-8-0x0000000007A80000-0x0000000007A90000-memory.dmp

memory/3680-9-0x0000000008400000-0x000000000849C000-memory.dmp

memory/3680-10-0x00000000085A0000-0x0000000008612000-memory.dmp

memory/2796-11-0x0000000000400000-0x0000000000429000-memory.dmp

memory/3680-13-0x0000000074E80000-0x0000000075630000-memory.dmp

memory/2796-14-0x0000000001A50000-0x0000000001D9A000-memory.dmp