urelas | e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73

Analysis

max time kernel
96s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 07:45

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General

Target

e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe
Size

57KB
MD5

72179f122496e29cc8f5514c642c0c33
SHA1

0f1ba2c655c8609362cccd90c0a87891679d54cb
SHA256

e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73
SHA512

a3ed5af3a57663f15d9e1b697753a9de1f36548ab9edeeb49db274af130d87530927f41c6286a2f6c1d87e56acee64df1d075a4e30dcfc01d3dea7cfb7afcc5f
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8G:MOemdTd1o74qlmbbJ+x+IkA

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe

Executes dropped EXE 1 IoCs

pid	Process
3292	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	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.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 4804 wrote to memory of 3292	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	84
PID 4804 wrote to memory of 3292	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	84
PID 4804 wrote to memory of 3292	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	84
PID 4804 wrote to memory of 4048	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	85
PID 4804 wrote to memory of 4048	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	85
PID 4804 wrote to memory of 4048	4804	e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe	85

C:\Users\Admin\AppData\Local\Temp\e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe
"C:\Users\Admin\AppData\Local\Temp\e13bbea0f6b12c7baedc708229b8df8c9361bd565d575b2938ee74deba682d73.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- 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:3292
- 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:4048

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
6187fc288673db24cf53d2d2c685a112

SHA1
ba4300429227af188633cc3e8156d1f251b1288f

SHA256
06a8abe3de4947b396b6490f88bac66bee3f1aab9821b7c81f3cbbde922e34b6

SHA512
c18050d2ae4a90e9ebc8a7e001ecb8c40c243b69144f1c91ab106d83a9681345f3f6c5709c9ab15bbcf9341039a207ec3f29b7f4e2a1054ee8bc8b797debce6d

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
84c251e137aa4d94ab0d746fe9bd8e48

SHA1
4082cebb8bb616e4e3af9244dd55e6b4b0e623d5

SHA256
cb62fef6ab908cb792d3f9aa81a019e3d9f849bb7862d50ca2674186aae20215

SHA512
e0b0efe9505cb2abae696e6fadccd37e046180563a4b4aca610de0ca5452561fe6c3df7b37948a8dfe4deaa175856107745c5461d42b588959182a28f23e1e3c

Download Submit
memory/3292-10-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/3292-18-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/3292-20-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/3292-26-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/4804-0-0x0000000000F00000-0x0000000000F26000-memory.dmp

Filesize
152KB

Download
memory/4804-15-0x0000000000F00000-0x0000000000F26000-memory.dmp

Filesize
152KB

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