Malware Analysis Report

2024-11-16 13:26

Sample ID 241010-ngc7eazfmp
Target 5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N
SHA256 5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675
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

5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675

Threat Level: Known bad

The file 5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N was found to be: Known bad.

Malicious Activity Summary

urelas discovery trojan

Urelas family

Urelas

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-10 11:21

Signatures

Urelas family

urelas

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-10 11:21

Reported

2024-10-10 11:23

Platform

win7-20240903-en

Max time kernel

119s

Max time network

77s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.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\lobum.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\jovur.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\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\lobum.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\jovur.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1680 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\lobum.exe
PID 1680 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\lobum.exe
PID 1680 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\lobum.exe
PID 1680 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\lobum.exe
PID 1680 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 1680 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 1680 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 1680 wrote to memory of 1940 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\lobum.exe C:\Users\Admin\AppData\Local\Temp\jovur.exe
PID 2524 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\lobum.exe C:\Users\Admin\AppData\Local\Temp\jovur.exe
PID 2524 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\lobum.exe C:\Users\Admin\AppData\Local\Temp\jovur.exe
PID 2524 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Local\Temp\lobum.exe C:\Users\Admin\AppData\Local\Temp\jovur.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe

"C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

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

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

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

Network

Country Destination Domain Proto
KR 218.54.31.226:11110 tcp
KR 1.234.83.146:11170 tcp
KR 218.54.31.165:11110 tcp
JP 133.242.129.155:11110 tcp

Files

memory/1680-0-0x0000000000400000-0x0000000000495000-memory.dmp

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

MD5 28ac257834bcd363162a0e7fac188c0e
SHA1 b333b5c7946a095052e3719fc28ced71556f1431
SHA256 74b01955996d418e9ab7f349cd8ff99799923f5dc60fd8d2f8d714c35bbeec99
SHA512 0b5f438b73c7a68d39663e8fc1a1da130ea07ded3544a6d3ebdfb37141a69208abec7f6c9f11d56e84743c6484e56ec8e1fca59f1c4bf4561eb7f07a62cdf1a5

memory/1680-21-0x0000000000400000-0x0000000000495000-memory.dmp

memory/1680-19-0x0000000001F40000-0x0000000001FD5000-memory.dmp

memory/1680-17-0x0000000001F40000-0x0000000001FD5000-memory.dmp

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

MD5 1af1d934239a03e2bbea2aa5de68d4ec
SHA1 869d38b8b25bbd4848edd3790aa54c33643f98b8
SHA256 7226f288cbca617c427e768467eccaa03b0cb0ebe1f0d0bbfd01a8344d056470
SHA512 2ae4a5d079ad498c75ea68e7a29a02529d5eda9d96f840e7d22134383d238a7f0997cbd79739bad7e4330ebf6053d869129dfba4f9972567d94713338370f7d0

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

MD5 d8537fdcbd80a2ea624329e8f5434fe7
SHA1 095dad5be49d3a74b4c9e18d7275b9e8f38a7ec8
SHA256 b645cc41b627c710bd72309aaec4c424fc80ec17899a6bc13bf35ccfb08be333
SHA512 cb666e88984a12609e3df5fa469abe1777247fbc5b31eefa934ae208b6502e444fb8443004fb752fac37880744af02391d354653aa20b8424e96a306f7e44bf2

memory/2524-24-0x0000000000400000-0x0000000000495000-memory.dmp

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

MD5 edc90196e9eaf2d70a5c1b7072375ae8
SHA1 dc5d3de193e17db083315ca4f6c0b4b4cc4f0b34
SHA256 13a4b799203080672c06ed5239f804bfa331610d5136acf47e3cd006d535a656
SHA512 0f873de08e7d0b10c5b89cf19dd6a3b3caf5f4cc5d4cc85d61da983e578fe4bf80e96498f10e308279e77d99b4ccc66a4320c59a98a8607dd2c70a485e248b8b

memory/2524-30-0x0000000003A70000-0x0000000003B21000-memory.dmp

memory/2524-32-0x0000000000400000-0x0000000000495000-memory.dmp

memory/2152-33-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2152-34-0x00000000001B0000-0x0000000000261000-memory.dmp

memory/2152-36-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2152-37-0x00000000001B0000-0x0000000000261000-memory.dmp

memory/2152-38-0x00000000001B0000-0x0000000000261000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-10 11:21

Reported

2024-10-10 11:23

Platform

win10v2004-20241007-en

Max time kernel

119s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe"

Signatures

Urelas

trojan urelas

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\bedyy.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bedyy.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\roiqp.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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\roiqp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\bedyy.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4656 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\bedyy.exe
PID 4656 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\bedyy.exe
PID 4656 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Users\Admin\AppData\Local\Temp\bedyy.exe
PID 4656 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 4656 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 4656 wrote to memory of 4128 N/A C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 944 N/A C:\Users\Admin\AppData\Local\Temp\bedyy.exe C:\Users\Admin\AppData\Local\Temp\roiqp.exe
PID 2856 wrote to memory of 944 N/A C:\Users\Admin\AppData\Local\Temp\bedyy.exe C:\Users\Admin\AppData\Local\Temp\roiqp.exe
PID 2856 wrote to memory of 944 N/A C:\Users\Admin\AppData\Local\Temp\bedyy.exe C:\Users\Admin\AppData\Local\Temp\roiqp.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe

"C:\Users\Admin\AppData\Local\Temp\5e5d62964856f96d33a59d80c3a67832cc8b255bbfb975c2704a6c1594200675N.exe"

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

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

C:\Windows\SysWOW64\cmd.exe

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

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

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

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 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 73.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
KR 218.54.31.226:11110 tcp
KR 1.234.83.146:11170 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 98.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
KR 218.54.31.165:11110 tcp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
JP 133.242.129.155:11110 tcp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp

Files

memory/4656-0-0x0000000000400000-0x0000000000495000-memory.dmp

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

MD5 2885cef7ac4bf0724ec4be30328ebbbe
SHA1 d43dce4cf1dfd73630f3bc4ed30a501cf68bd34c
SHA256 64d02fe70facc9894ef5e2c9b069ba845ad927e7153763e09ef8a665880b6920
SHA512 a191a117fe2ea98d7ff23ff042fe6310b51b1e9f4f7bbf5d79b931f0c097e16df353e702884acf4f4a940196257b2885fd884df301a7f3426255dcb0fefc859e

memory/4656-13-0x0000000000400000-0x0000000000495000-memory.dmp

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

MD5 1af1d934239a03e2bbea2aa5de68d4ec
SHA1 869d38b8b25bbd4848edd3790aa54c33643f98b8
SHA256 7226f288cbca617c427e768467eccaa03b0cb0ebe1f0d0bbfd01a8344d056470
SHA512 2ae4a5d079ad498c75ea68e7a29a02529d5eda9d96f840e7d22134383d238a7f0997cbd79739bad7e4330ebf6053d869129dfba4f9972567d94713338370f7d0

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

MD5 a6f3d48d2069d3dcef13732d36d91d7b
SHA1 67f59f4ee7b41f12d4c13f2ab4e73da3ca91f8ba
SHA256 8102b9d7cd5d23f2a81255baf4715dcb8fe8de5826da9758911af946a141c657
SHA512 39f2c0548c0ddf73ef0fdce3fdc7ff0701082d34a55e9789355dbf839e16f3140ac43b98795cc82a60ecb4e286c64ca64887ed7bc79141aeaf8cd2f129c8a4dd

memory/2856-16-0x0000000000400000-0x0000000000495000-memory.dmp

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

MD5 461b5e1be8a1f265791cf668ec027b4b
SHA1 77979478064068f7b8c2743340bc7b5e407414a3
SHA256 6b065a17b8dd1180bc49a078f7cdb0bc7dbbf81096678518e1ed03d49e60a4ae
SHA512 bc3cbb5cdf1be0c66690696b4b73713e35b5f170776833acecae602e2c3b126e6532b4e3c5d62d94e0b888d9d930ff621dedc4db62368a9d7b70c9faac7e5527

memory/2856-27-0x0000000000400000-0x0000000000495000-memory.dmp

memory/944-26-0x0000000000430000-0x0000000000431000-memory.dmp

memory/944-25-0x0000000000470000-0x0000000000521000-memory.dmp

memory/944-30-0x0000000000430000-0x0000000000431000-memory.dmp

memory/944-29-0x0000000000470000-0x0000000000521000-memory.dmp

memory/944-31-0x0000000000470000-0x0000000000521000-memory.dmp