urelas | 50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2025 23:03

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General

Target

50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe
Size

54KB
MD5

35605fce42ab949480d32a0623876365
SHA1

81bb1c6d758b5af9936bcc6cffb6ade05353f388
SHA256

50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b
SHA512

3060b79b6d06dde8a60c1cd3899ed8d875a59adc6da5658bb1da96cd8e7128d0865a077568fff6e1e59b29dd5e9211ba24389503d485cfff6f27007abfb1631e
SSDEEP

1536:vMcQYte55zs091Zw9FAGDdJYipvwGf9ogjrgs:vMhAe5Zs091KI+JYixw49XjrP

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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe

Executes dropped EXE 1 IoCs

pid	Process
3220	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	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.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 4976 wrote to memory of 3220	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	89
PID 4976 wrote to memory of 3220	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	89
PID 4976 wrote to memory of 3220	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	89
PID 4976 wrote to memory of 3700	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	90
PID 4976 wrote to memory of 3700	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	90
PID 4976 wrote to memory of 3700	4976	50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe	90

C:\Users\Admin\AppData\Local\Temp\50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe
"C:\Users\Admin\AppData\Local\Temp\50a89c6d09b129e936486d29ee7da280bd34ca219716b317f7554586eda2a85b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4976
- 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:3220
- 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:3700

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
54KB

MD5
f313f50dfffb8e36c2f98d0471f27c19

SHA1
6f32e5cdb8bf1ba50c9fc198c282c829a3b3af4d

SHA256
50352b90b75e83336fb48b07b9b0094d21f928be1cfbb61d8742e335ae15bd5d

SHA512
e47f91296780338e91c64b8ce58684e25c3be79eebed90b5be5431ae05a077133e28d1fb9486d99e69421d05ce6efb1d431d5d2ea286f294a7bb542f25c472e3

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

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
338B

MD5
615269f593a9dec5247fd65e9a8266ee

SHA1
8fb3cf12c182b3893b0c26145ed4167c59f1f253

SHA256
39b6bce9dc0c702040f8afe85a90882936a20ac7d674802c871ea281ffa02e05

SHA512
72fceb28d46543f7d63dd75d5200cb8e8774cca9516a388964764f91fd9cc9bc91e087fbd0b864adbf6da6bf492bff5d39200f08ad486b3052e654f27752b679

Download Submit
memory/3220-12-0x0000000000B90000-0x0000000000BB6000-memory.dmp

Filesize
152KB

Download
memory/3220-17-0x0000000000B90000-0x0000000000BB6000-memory.dmp

Filesize
152KB

Download
memory/3220-19-0x0000000000B90000-0x0000000000BB6000-memory.dmp

Filesize
152KB

Download
memory/3220-25-0x0000000000B90000-0x0000000000BB6000-memory.dmp

Filesize
152KB

Download
memory/4976-0-0x0000000000380000-0x00000000003A6000-memory.dmp

Filesize
152KB

Download
memory/4976-14-0x0000000000380000-0x00000000003A6000-memory.dmp

Filesize
152KB

Download