Malware Analysis Report

2024-11-16 13:24

Sample ID 241009-adx6hswbna
Target 277806cd0ae93062f9499edd0811972e_JaffaCakes118
SHA256 95da46722aa41d980978db1ae448158c44c8812978aeb860856da146f5125192
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

95da46722aa41d980978db1ae448158c44c8812978aeb860856da146f5125192

Threat Level: Known bad

The file 277806cd0ae93062f9499edd0811972e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas family

Urelas

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-09 00:06

Signatures

Urelas family

urelas

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-09 00:06

Reported

2024-10-09 07:18

Platform

win7-20240729-en

Max time kernel

89s

Max time network

77s

Command Line

"C:\Users\Admin\AppData\Local\Temp\277806cd0ae93062f9499edd0811972e_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\277806cd0ae93062f9499edd0811972e_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\277806cd0ae93062f9499edd0811972e_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\277806cd0ae93062f9499edd0811972e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277806cd0ae93062f9499edd0811972e_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

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

MD5 a521a8d37202462a133c964ead21e4fc
SHA1 8d32a4f5889d714e6887197e5ddee6f913b775a3
SHA256 f06e1519b6dd73b91a2c872a2e250362559b5d27fa7a64bc676dd3d528456a5d
SHA512 bd7a1b2839076c21371eb66de06621bb53b558509b1f7613e0ad5499bc48790e7cccba3221eac8c903fd728de2a9886a15aef994adbc3700c653010a2fd85650

memory/1760-18-0x0000000001360000-0x00000000013B1000-memory.dmp

memory/3008-10-0x0000000000E40000-0x0000000000E91000-memory.dmp

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

MD5 1d0adcc83cda0b5229310d54513e82dc
SHA1 c587f8bdec337c3289d98fe9ea23b78122c1b833
SHA256 13d5a4a149cbe47e320c87a0a43c1e3fef8dac025a30d8d675a2d803bfeef6a7
SHA512 0126183ae5560480da463f369eea6e624c4891fa2b9ad192c2055dbee06768b8c74a2dc2e47cb05856b6826459e3561936f176457f289a685f65f16fe557e5fc

memory/1760-8-0x0000000000540000-0x0000000000591000-memory.dmp

memory/1760-0-0x0000000001360000-0x00000000013B1000-memory.dmp

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

MD5 4514d58bb3af5fd2132870ab9e2897d9
SHA1 9bf67ec19026e2485416a37315a32a19972a69ff
SHA256 8bc8fa165190f94d0f84f4c5772a7aee9aafd778e395effcdf501055b0658fa8
SHA512 07941b5f5275a931b8b7be9c94062714a6f8546ff3df4479638b6638960f61d35ad25fefa3bd7fc9b0934e9814c40169dce5803aac5e25ae932b698c85688738

memory/3008-21-0x0000000000E40000-0x0000000000E91000-memory.dmp

memory/3008-22-0x0000000000E40000-0x0000000000E91000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-09 00:06

Reported

2024-10-09 07:18

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\277806cd0ae93062f9499edd0811972e_JaffaCakes118.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\277806cd0ae93062f9499edd0811972e_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\277806cd0ae93062f9499edd0811972e_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\277806cd0ae93062f9499edd0811972e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\277806cd0ae93062f9499edd0811972e_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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
KR 112.175.88.209:11120 tcp
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4428-0-0x0000000000EF0000-0x0000000000F41000-memory.dmp

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

MD5 c34904797113594f9e11369e8ed1413c
SHA1 0fcf77be51ec054ec869ee89a785280cbed6db4d
SHA256 0f910f47f0aca84e558797c4091cc456b161e60e71bb802df813bc5a49e5bb9f
SHA512 8ecd65fa78eb294381ad5165b572efcd66de4f7ecf85f76848ac3c1caca070d9526c0b55e6ef6cf3bd765d301860a09622707985f2f5fab99fb92365c7c3e422

memory/1932-10-0x0000000000450000-0x00000000004A1000-memory.dmp

memory/4428-14-0x0000000000EF0000-0x0000000000F41000-memory.dmp

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

MD5 a521a8d37202462a133c964ead21e4fc
SHA1 8d32a4f5889d714e6887197e5ddee6f913b775a3
SHA256 f06e1519b6dd73b91a2c872a2e250362559b5d27fa7a64bc676dd3d528456a5d
SHA512 bd7a1b2839076c21371eb66de06621bb53b558509b1f7613e0ad5499bc48790e7cccba3221eac8c903fd728de2a9886a15aef994adbc3700c653010a2fd85650

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

MD5 4514d58bb3af5fd2132870ab9e2897d9
SHA1 9bf67ec19026e2485416a37315a32a19972a69ff
SHA256 8bc8fa165190f94d0f84f4c5772a7aee9aafd778e395effcdf501055b0658fa8
SHA512 07941b5f5275a931b8b7be9c94062714a6f8546ff3df4479638b6638960f61d35ad25fefa3bd7fc9b0934e9814c40169dce5803aac5e25ae932b698c85688738

memory/1932-17-0x0000000000450000-0x00000000004A1000-memory.dmp

memory/1932-18-0x0000000000450000-0x00000000004A1000-memory.dmp