urelas | 543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1b

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 22:34

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General

Target

543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe
Size

57KB
MD5

a855c4e7f2e17073e06cdcf5f837aa40
SHA1

d499a6142283a15dd7a81360bf65d3528b7f99c0
SHA256

543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1b
SHA512

6f400de71df204507a18970b64fcae5b4d7db2a03425a68eebd6ca10358bb4e61398d9f4cc6b47cfe3c49aecbcceaa68629b08e681a38526e2b7e630000d982a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1k:amZ+luXwy2f9LDhDk

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
Urelas family
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe

Executes dropped EXE 1 IoCs

pid	Process
4328	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	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.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 1984 wrote to memory of 4328	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	89
PID 1984 wrote to memory of 4328	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	89
PID 1984 wrote to memory of 4328	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	89
PID 1984 wrote to memory of 3292	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	90
PID 1984 wrote to memory of 3292	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	90
PID 1984 wrote to memory of 3292	1984	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	90

C:\Users\Admin\AppData\Local\Temp\543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe
"C:\Users\Admin\AppData\Local\Temp\543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- 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:4328
- 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:3292

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

Replay Monitor

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Downloads

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

Filesize
57KB

MD5
8294c7f0b6940656d0eef0c2f5e1406f

SHA1
8c632cc3eb083fa3034e9e696769eeb49f995c03

SHA256
79d673ea1cc4c956765e700d663f428a98cca2ca94bf33213065697662cd1915

SHA512
6b0e521312dfb8fb9fdd2cd27a48565b094d1ba6f61c9721314e6dbaba0614eaaf17f999307bd05871d2fec81320002bfe297973e6cfc88d1a8d0db1dcc173b2

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
340B

MD5
6b236f6b5cb7fe21df9fe0a21bbc3b47

SHA1
48671334c3ceb0c23ca6e6aef0f06272f991cad6

SHA256
dc2cba10a7ba8fed367f16025a2ed1e51d25c6070e39c2f13a74fb07dc2c1300

SHA512
ff1d16881563876b0242ba82071017233f2b9d64a916d68abc201736664ebb701a9c19b781289f4867944b248f605a95070741780b0510b34952eac172fec378

Download Submit
memory/1984-0-0x0000000000F90000-0x0000000000FC2000-memory.dmp

Filesize
200KB

Download
memory/1984-18-0x0000000000F90000-0x0000000000FC2000-memory.dmp

Filesize
200KB

Download
memory/4328-13-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download
memory/4328-21-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download
memory/4328-23-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download
memory/4328-29-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download