Malware Analysis Report

2024-11-16 13:25

Sample ID 241012-t5d2hazfja
Target 3b09b49b43f45e107f7be60d0b6695c9_JaffaCakes118
SHA256 534bb66fa382f10d38093139bad17b864215b2935bdaec0b449d7395f59b2f8b
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

534bb66fa382f10d38093139bad17b864215b2935bdaec0b449d7395f59b2f8b

Threat Level: Known bad

The file 3b09b49b43f45e107f7be60d0b6695c9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas family

Urelas

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-12 16:38

Signatures

Urelas family

urelas

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-12 16:38

Reported

2024-10-12 16:40

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b09b49b43f45e107f7be60d0b6695c9_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\3b09b49b43f45e107f7be60d0b6695c9_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\3b09b49b43f45e107f7be60d0b6695c9_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\3b09b49b43f45e107f7be60d0b6695c9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3b09b49b43f45e107f7be60d0b6695c9_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/2088-0-0x0000000000400000-0x0000000000437000-memory.dmp

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

MD5 c676a53cdfffd789cf33eb6c87e9f226
SHA1 359e369805c6233c47c4e3c112a96f3fa21d7274
SHA256 26bd072d7a26a79d847d36b236ec86b479d6d5aae05c036e4bd19566891015b3
SHA512 cc17105f3c2b7f12ced54b576394c0670201b470573188ec6a07c9a9ba3c15d39c10cb5e5e259b39744b6f05daf5fc892ee9b676a24d9729b031cb34d13768fc

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

MD5 4e2295861834e96f406409b4d877eec3
SHA1 0f96e4f9b193b4b5e0262be3f74854c8525f5751
SHA256 90e27cc4f92ff83b8df478aafe368d86e1aa9612ae28d149a1afd4466c80de07
SHA512 4fbc5f28027a9db9496eefeaeb9c404ad69f9c9394070dbedde1b1f4d924bcf3c0f392a4fcd60941da5952624c7bdd24bbf9137c0162af017be609ab793718de

memory/2088-16-0x0000000000400000-0x0000000000437000-memory.dmp

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

MD5 02167b944a214fee3d34f9a7e356dc6a
SHA1 ca5b3f38a7151268726401593eb35f9b67bdde97
SHA256 77fcdadc9ba56daa81edb3f0ef876e38a8c7de56187c28c7d02992cd9e0a243d
SHA512 c8976c66724d737105a66699673052d7bc7f1e1941c91e03f97452aaba714d35b1d55434e950b00c58626b8bcf16186a731cccc503b7ba08f080ead3eaca5817

memory/2748-19-0x0000000000400000-0x0000000000437000-memory.dmp

memory/2748-20-0x0000000000400000-0x0000000000437000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-12 16:38

Reported

2024-10-12 16:40

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3b09b49b43f45e107f7be60d0b6695c9_JaffaCakes118.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3b09b49b43f45e107f7be60d0b6695c9_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\3b09b49b43f45e107f7be60d0b6695c9_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\3b09b49b43f45e107f7be60d0b6695c9_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\3b09b49b43f45e107f7be60d0b6695c9_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 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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
KR 112.175.88.208:11150 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
KR 112.175.88.209:11170 tcp
KR 112.175.88.207:11150 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/1096-0-0x0000000000400000-0x0000000000437000-memory.dmp

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

MD5 5bcc346cb0af41675222c4dae393df56
SHA1 7365d20cd44eb817a0823563bcb4bf79d4ad5a9b
SHA256 1bbfee3d238304290d12e8eeb4b1f0a4ea40c772eba9629ec7f2378cf9df13da
SHA512 a8e47929ede9add09c5d39887f6d2fdc7a987109e817d2e518dfa6a67c384b5bb50a017a13acc66eeec5ce6711710921261b1825a10e93a12da9e3b8c139ea19

memory/1096-16-0x0000000000400000-0x0000000000437000-memory.dmp

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

MD5 4e2295861834e96f406409b4d877eec3
SHA1 0f96e4f9b193b4b5e0262be3f74854c8525f5751
SHA256 90e27cc4f92ff83b8df478aafe368d86e1aa9612ae28d149a1afd4466c80de07
SHA512 4fbc5f28027a9db9496eefeaeb9c404ad69f9c9394070dbedde1b1f4d924bcf3c0f392a4fcd60941da5952624c7bdd24bbf9137c0162af017be609ab793718de

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

MD5 02167b944a214fee3d34f9a7e356dc6a
SHA1 ca5b3f38a7151268726401593eb35f9b67bdde97
SHA256 77fcdadc9ba56daa81edb3f0ef876e38a8c7de56187c28c7d02992cd9e0a243d
SHA512 c8976c66724d737105a66699673052d7bc7f1e1941c91e03f97452aaba714d35b1d55434e950b00c58626b8bcf16186a731cccc503b7ba08f080ead3eaca5817

memory/8-19-0x0000000000400000-0x0000000000437000-memory.dmp

memory/8-20-0x0000000000400000-0x0000000000437000-memory.dmp