Malware Analysis Report

2024-11-16 13:25

Sample ID 241015-xndk7a1ekg
Target 497ca1486fb744874cf960cad3fa91fd_JaffaCakes118
SHA256 5502db450dfe74ac56c9cd8797743556607f3504ff2eec39306827b2845201fb
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

5502db450dfe74ac56c9cd8797743556607f3504ff2eec39306827b2845201fb

Threat Level: Known bad

The file 497ca1486fb744874cf960cad3fa91fd_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 18:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 18:59

Reported

2024-10-15 19:02

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\497ca1486fb744874cf960cad3fa91fd_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\497ca1486fb744874cf960cad3fa91fd_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\497ca1486fb744874cf960cad3fa91fd_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\497ca1486fb744874cf960cad3fa91fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\497ca1486fb744874cf960cad3fa91fd_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/2076-0-0x0000000000400000-0x0000000000436000-memory.dmp

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

MD5 df3b5b18b0dd6884ae088e7df6b7ef24
SHA1 41867626c4738f652d9985388450c7d5c4c9c4ae
SHA256 7a5a84c466af560937d6c10a1873ea6a8abb1849d584c0dd6ca6ac850fa9fbda
SHA512 02f1927cb65a7ba23bcc9161f7bf78b50cb081aab7de40e1a19e476603a8de538851ec3b0c485ef87df73094ef08c50fecdf65fe6fceaea279bc9dd55b17bf30

memory/2720-10-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2076-9-0x0000000002DF0000-0x0000000002E26000-memory.dmp

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

MD5 057b2578cd78ce8a411dcea42b816c82
SHA1 c10cbbbba6bd03f5b18086311d861757cf4a62e4
SHA256 cc7a6ba99a23aaf78416d31f46979352d54602e199da7c5d8597ffc5a45b906a
SHA512 7a3b401278cfacbbc1b851a0c8dc693a2924deb58ffe8fa62854da404486c73a7b0deca5839f616cc2387f0cf72111b705ec8bd3e38c580473b1f5633f910216

memory/2076-19-0x0000000000400000-0x0000000000436000-memory.dmp

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

MD5 02167b944a214fee3d34f9a7e356dc6a
SHA1 ca5b3f38a7151268726401593eb35f9b67bdde97
SHA256 77fcdadc9ba56daa81edb3f0ef876e38a8c7de56187c28c7d02992cd9e0a243d
SHA512 c8976c66724d737105a66699673052d7bc7f1e1941c91e03f97452aaba714d35b1d55434e950b00c58626b8bcf16186a731cccc503b7ba08f080ead3eaca5817

memory/2720-22-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2720-24-0x0000000000400000-0x0000000000436000-memory.dmp

memory/2720-31-0x0000000000400000-0x0000000000436000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 18:59

Reported

2024-10-15 19:02

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\497ca1486fb744874cf960cad3fa91fd_JaffaCakes118.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\497ca1486fb744874cf960cad3fa91fd_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\497ca1486fb744874cf960cad3fa91fd_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\497ca1486fb744874cf960cad3fa91fd_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\497ca1486fb744874cf960cad3fa91fd_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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 112.175.88.209:11120 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 27.210.23.2.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/1028-0-0x0000000000400000-0x0000000000436000-memory.dmp

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

MD5 b2b75b5241ff1ec201e84c04281d6acd
SHA1 b826ab2c14648b0c5f74dd1cae0cd0cc8fdfd58d
SHA256 6c4ff0e6595761019a55ab6a74dc9668ca65abfccd8138ef0a1ff11007d9a86b
SHA512 8fb38141371c8e327a3c2f24d482120f230f7245b9a8fd81bfc46bb3fc0c88c36df4a67fb771389993c175d9eb9fb0e226dfdd1c8f5842cf309e2053547c9e84

memory/1028-17-0x0000000000400000-0x0000000000436000-memory.dmp

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

MD5 df3b5b18b0dd6884ae088e7df6b7ef24
SHA1 41867626c4738f652d9985388450c7d5c4c9c4ae
SHA256 7a5a84c466af560937d6c10a1873ea6a8abb1849d584c0dd6ca6ac850fa9fbda
SHA512 02f1927cb65a7ba23bcc9161f7bf78b50cb081aab7de40e1a19e476603a8de538851ec3b0c485ef87df73094ef08c50fecdf65fe6fceaea279bc9dd55b17bf30

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

MD5 02167b944a214fee3d34f9a7e356dc6a
SHA1 ca5b3f38a7151268726401593eb35f9b67bdde97
SHA256 77fcdadc9ba56daa81edb3f0ef876e38a8c7de56187c28c7d02992cd9e0a243d
SHA512 c8976c66724d737105a66699673052d7bc7f1e1941c91e03f97452aaba714d35b1d55434e950b00c58626b8bcf16186a731cccc503b7ba08f080ead3eaca5817

memory/4696-20-0x0000000000400000-0x0000000000436000-memory.dmp

memory/4696-22-0x0000000000400000-0x0000000000436000-memory.dmp

memory/4696-29-0x0000000000400000-0x0000000000436000-memory.dmp