Malware Analysis Report

2024-11-16 13:28

Sample ID 240811-rtpmratcpq
Target 8ab967641bcc854f6d862112ac9068a5_JaffaCakes118
SHA256 2d2746b542a4bce7d931d8cea5a6e415b9511db2606dd96f2d54d2228dc08418
Tags
urelas discovery trojan
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

2d2746b542a4bce7d931d8cea5a6e415b9511db2606dd96f2d54d2228dc08418

Threat Level: Known bad

The file 8ab967641bcc854f6d862112ac9068a5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas family

Urelas

Deletes itself

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-11 14:29

Signatures

Urelas family

urelas

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-11 14:29

Reported

2024-08-11 14:31

Platform

win7-20240705-en

Max time kernel

89s

Max time network

88s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe"

Signatures

Urelas

trojan urelas

Deletes itself

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

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\huter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "

Network

Country Destination Domain Proto
KR 112.175.88.209:11120 tcp
KR 112.175.88.208:11150 tcp
KR 112.175.88.209:11170 tcp
KR 112.175.88.207:11150 tcp

Files

memory/1896-0-0x0000000000FF0000-0x0000000001021000-memory.dmp

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

MD5 246f8a91327d9c75865fc26226a3955f
SHA1 e281670ccf61489b9ad046ccdb4340be10f9cb61
SHA256 c06aec00637f66ad5f8cee62ce08e85d6bf983107d73d117314e0da16dc7edc4
SHA512 e9d25bebba7947778d147ffed351c41fdaf72a7cb68c4417643ff42d7e15d46bdc5360d99849fab5aa12061b828c78c3efb82e3d8911e794bc24a682929a57c1

memory/3048-10-0x0000000000C80000-0x0000000000CB1000-memory.dmp

memory/1896-9-0x0000000000C80000-0x0000000000CB1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

MD5 93d833f731b0cd6e3c9354b732c2c11f
SHA1 6ada69d365ac41eff77ad8ad012dd6a550cbf6d3
SHA256 77d87b570d850e7c375bfed280042c2a5ef9882e49582c5ee9088f59c146cac4
SHA512 ec9fcdff1afeb53fbac0c286a4b46237326f79e5e1dc1c8d3bb8cade586694bbf09f5c31c7d0b615fc23f419dbd1a9ec20f6dedc56a376f58ce4a790b5274c52

memory/1896-18-0x0000000000FF0000-0x0000000001021000-memory.dmp

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

MD5 ede6388dfbb03ff576508b085d03e793
SHA1 71d2e779ac6ed074b5698651a8c7fa3b047ccb50
SHA256 779c0d78580692dadb2978ddfcd44d68f8282bb3453c638c9a4c2feecc1b96f8
SHA512 097e3b9b2ad80944e542785db3a9062ecb2c657192d96659dcc5267f362b186c91722f2bc103f19ef895e6d9821cf33d262569fae23605888d75f38d2e30093b

memory/3048-21-0x0000000000C80000-0x0000000000CB1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-11 14:29

Reported

2024-08-11 14:31

Platform

win10v2004-20240802-en

Max time kernel

138s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\huter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8ab967641bcc854f6d862112ac9068a5_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
KR 112.175.88.209:11120 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/2972-0-0x0000000000FC0000-0x0000000000FF1000-memory.dmp

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

MD5 8dff410b428bb154731cb4a826be519f
SHA1 5f55a110b8716af4c7c8f50bc621240aa8b6286f
SHA256 06d6fab9ab900207a8179ecd9adb2dc7fa859c05f607cd22231743b46193dd21
SHA512 ba96dcb9703b9c6dbd4b5697071bce23d9e29e967d6847be6de7935cd1d81e7683d771da4578156f097a18f193f0c33513082c0be1e0c01b29a81faf82a2a437

memory/1832-14-0x0000000000870000-0x00000000008A1000-memory.dmp

memory/2972-17-0x0000000000FC0000-0x0000000000FF1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

MD5 93d833f731b0cd6e3c9354b732c2c11f
SHA1 6ada69d365ac41eff77ad8ad012dd6a550cbf6d3
SHA256 77d87b570d850e7c375bfed280042c2a5ef9882e49582c5ee9088f59c146cac4
SHA512 ec9fcdff1afeb53fbac0c286a4b46237326f79e5e1dc1c8d3bb8cade586694bbf09f5c31c7d0b615fc23f419dbd1a9ec20f6dedc56a376f58ce4a790b5274c52

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

MD5 ede6388dfbb03ff576508b085d03e793
SHA1 71d2e779ac6ed074b5698651a8c7fa3b047ccb50
SHA256 779c0d78580692dadb2978ddfcd44d68f8282bb3453c638c9a4c2feecc1b96f8
SHA512 097e3b9b2ad80944e542785db3a9062ecb2c657192d96659dcc5267f362b186c91722f2bc103f19ef895e6d9821cf33d262569fae23605888d75f38d2e30093b

memory/1832-20-0x0000000000870000-0x00000000008A1000-memory.dmp