urelas | 424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2024, 21:13

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General

Target

424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe
Size

57KB
MD5

3134ef8cc2b244d62fae03e696a08350
SHA1

06685a412b5dda2bf3ec4e88b4019fc509602836
SHA256

424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71
SHA512

f9da801a3846188e9ca9713a6f6001e7a9f9793f639a1d6d101be7c7d3ef38d4d1338792c0aba05c2847aa514f2c42d317de39197c1b1a4f0cfdce12a7f12efe
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8G:MOemdTd1o74qlmbbJ+x+Ikk

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe

Executes dropped EXE 1 IoCs

pid	Process
232	biudfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 232	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	87
PID 1924 wrote to memory of 232	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	87
PID 1924 wrote to memory of 232	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	87
PID 1924 wrote to memory of 2196	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	88
PID 1924 wrote to memory of 2196	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	88
PID 1924 wrote to memory of 2196	1924	424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe	88

C:\Users\Admin\AppData\Local\Temp\424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe
"C:\Users\Admin\AppData\Local\Temp\424164d9a6602b9d767e9fbfe78b2d3d256d9b9f61ad18e3d56cbbb154a45b71.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
57KB

MD5
1287e031d0d22a1b4719f8f9da39c00f

SHA1
47b0afcb29f73d9ac8b832be3e9a422ac4643d9a

SHA256
4e2040d20365c10de32065d73e7350d71cd38660b647aba5d297677032dca8bf

SHA512
8a1274fb76b4369f7a124fcac45dfa51b44b90c28c650bd7c154d0e35672e25400cc99c9dd219aa68c6c629ddea86d160bbe3f16cbea7ea9603e321e33cbf65f

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

Filesize
512B

MD5
7cdc8777d33db85bc19aefb64879a7f7

SHA1
f2d494d4dfe93a05eb58513935196e8578648adf

SHA256
9af382db716e39144dda99d3d9afbd5df9b65e6a36af229e715c00539bce6336

SHA512
34b075db80bf3704f76f9dd28eedffe88c9b3b5f730c79c27b9908fe2865847ae925487de2dcc1a8566bd3836d3b770ca3831d0b110312376684a92e42c6b48f

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

Filesize
338B

MD5
e0fe8acaae6a1f22315b64c2c1783c97

SHA1
6739f0da70d15cb4fdd43287f0b14ad45de5718f

SHA256
0d1aa14899c18362a4dfbb359a80337964d0949b52011bb0b6619ef4e97fa6ea

SHA512
dd35b4f352155e76fff43eb8f5452b628f1517f37e548a840e1dae1a66b5d6bf1082b68cc4bc0de02d67ed200a18cb7ca8bbf9021c0f4936910485c0c22843b3

Download Submit
memory/232-11-0x0000000000AA0000-0x0000000000AC6000-memory.dmp

Filesize
152KB

Download
memory/232-18-0x0000000000AA0000-0x0000000000AC6000-memory.dmp

Filesize
152KB

Download
memory/232-20-0x0000000000AA0000-0x0000000000AC6000-memory.dmp

Filesize
152KB

Download
memory/232-26-0x0000000000AA0000-0x0000000000AC6000-memory.dmp

Filesize
152KB

Download
memory/1924-0-0x00000000002E0000-0x0000000000306000-memory.dmp

Filesize
152KB

Download
memory/1924-15-0x00000000002E0000-0x0000000000306000-memory.dmp

Filesize
152KB

Download