urelas | 665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 12:22

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General

Target

665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe
Size

141KB
MD5

74f1bcc76becad9f01e6a8140f5b6ee0
SHA1

5ce0120845e8e6f94e6ffbd8b82db80eb0275c06
SHA256

665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c
SHA512

c24249f6b253a0bd1ab835fb3e8457b1c80200721abf2dfd5d23e52fc5974a4be3ceaf4acc961e9d30d5136410884700d821d19d4d9d52cef068cb08c368b9f7
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIYU:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4YU

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe

Executes dropped EXE 1 IoCs

pid	Process
3880	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	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.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 3204 wrote to memory of 3880	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	82
PID 3204 wrote to memory of 3880	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	82
PID 3204 wrote to memory of 3880	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	82
PID 3204 wrote to memory of 1888	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	83
PID 3204 wrote to memory of 1888	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	83
PID 3204 wrote to memory of 1888	3204	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	83

C:\Users\Admin\AppData\Local\Temp\665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe
"C:\Users\Admin\AppData\Local\Temp\665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3204
- 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:3880
- 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:1888

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
141KB

MD5
8015af092003994c06b0dd772d9d3146

SHA1
a83c5f8b6bf38977f72b9f5f175f00bc49a0c3ae

SHA256
96423abb5beb48cec3753149fdef97e1a8812e0ba93f02b831ced5e3acd93876

SHA512
e06a2419d241ef7005d0992dca39434b6830efe9abfa77dc8479b58eb5d53fc3f1feb868b47f35adc566fddf4fa099a58f9f6f07aa9be25593ca6f2a74b33ee8

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

Filesize
512B

MD5
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
338B

MD5
2bbe62979b2dbd642d02f32d9d3f0976

SHA1
2538024955e12a46c659dac1d3a25dfbc0e01f97

SHA256
ae5272160278bb65383070a55e3d96530843e4ae246b7aa9e93de314214059be

SHA512
3df6cca484a93446b5cffe967b63d18e9edadd4eddb999ce655d6f7e8d85356e9de541c8bf51384af60b27891409bbe983a5e2de5f1a2bca52a58cfc6d1a862f

Download Submit
memory/3204-0-0x0000000000370000-0x0000000000397000-memory.dmp

Filesize
156KB

Download
memory/3204-17-0x0000000000370000-0x0000000000397000-memory.dmp

Filesize
156KB

Download
memory/3880-13-0x0000000000170000-0x0000000000197000-memory.dmp

Filesize
156KB

Download
memory/3880-20-0x0000000000170000-0x0000000000197000-memory.dmp

Filesize
156KB

Download
memory/3880-21-0x0000000000170000-0x0000000000197000-memory.dmp

Filesize
156KB

Download