urelas | c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960c

Analysis

max time kernel
93s
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
18-11-2024 17:47

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General

Target

c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
Size

58KB
MD5

3b789e2a298f40b417b9bb351fdfce40
SHA1

17925ce0a373d7d8bacb68641e29bbaa37c7e0ba
SHA256

c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960c
SHA512

c7e2ce2a6d1f46d5a6d5d664bbc583b458ba2f8cb3ea97e5ba193eace50ce8bf266973c795f5ebd692f17f9bf393b194a50a5f3a9aaefaf11d2edbb5034ef29a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1lg:amZ+luXwy2f9LDhDlg

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 4920	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	88
PID 1068 wrote to memory of 4920	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	88
PID 1068 wrote to memory of 4920	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	88
PID 1068 wrote to memory of 4572	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	89
PID 1068 wrote to memory of 4572	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	89
PID 1068 wrote to memory of 4572	1068	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	89

C:\Users\Admin\AppData\Local\Temp\c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
"C:\Users\Admin\AppData\Local\Temp\c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- 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:4920
- 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:4572

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
58KB

MD5
5278e526279940f8da11162ee032435e

SHA1
6bfe12261b03b56c2074b4138100a1148782e432

SHA256
d2ff715d65edb37391b31efe3677cca49b4c584b8870402f49847b4011b6b760

SHA512
5f4a21912413de3fde67daf9f4a8c459bc2c45b87c5b865af7214edf9246f20adca62a6ff16638cbb8c14329f1225505e311d40bb59ec274d8cd8d0b8577c929

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
d99d5e2ffe305b7d53c6864dc67b5179

SHA1
710643b698f5926fb7c684618b7bb214ec70eb20

SHA256
ff14dd36e435ee8755a9ad3e580b88616aeb11edaa517c10717316aaacca0ff3

SHA512
80a8e00b0a2fd1955e24a3befa717d24d561345a1b11972d9c1c9623026c501b2cdd4062120414e95d730fc30fa9525ed8090a840b24208d1b302352a6efc869

Download Submit
memory/1068-0-0x0000000000F70000-0x0000000000FA2000-memory.dmp

Filesize
200KB

Download
memory/1068-18-0x0000000000F70000-0x0000000000FA2000-memory.dmp

Filesize
200KB

Download
memory/4920-13-0x0000000000DD0000-0x0000000000E02000-memory.dmp

Filesize
200KB

Download
memory/4920-21-0x0000000000DD0000-0x0000000000E02000-memory.dmp

Filesize
200KB

Download
memory/4920-23-0x0000000000DD0000-0x0000000000E02000-memory.dmp

Filesize
200KB

Download
memory/4920-29-0x0000000000DD0000-0x0000000000E02000-memory.dmp

Filesize
200KB

Download