urelas | a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5

Analysis

max time kernel
95s
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
22-11-2024 19:46

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General

Target

a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe
Size

140KB
MD5

911fcedac2288feb9b40d3d554a35c48
SHA1

20049de78dbb85134a24ebcf63b4cbd340712339
SHA256

a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5
SHA512

065d6f220bce7aa4e91e74cea0baf85bf50da71bdc4f6c0f08725aefacdbeb20e465c15ea13431c7a2b3b4ca36a98c7137e906ad3fd3e8d94b04dd822cf1c8a7
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfI9:P/5kqCxiXEcO3XfGf2tMUf6odgR5A49

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	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe

Executes dropped EXE 1 IoCs

pid	Process
4152	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	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4152	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	83
PID 4332 wrote to memory of 4152	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	83
PID 4332 wrote to memory of 4152	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	83
PID 4332 wrote to memory of 3204	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	84
PID 4332 wrote to memory of 3204	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	84
PID 4332 wrote to memory of 3204	4332	a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe	84

C:\Users\Admin\AppData\Local\Temp\a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe
"C:\Users\Admin\AppData\Local\Temp\a8f465852b204bf3b159c4624ca9accf4fb90b01ccb8b9775e35c0c4c8757be5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4332
- 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:4152
- 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:3204

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
140KB

MD5
862d06c6e8104af06c9214c173cbf363

SHA1
4652cead5198a57869372f750f1d9a1c8b28d62a

SHA256
8ff1d7275809e88cc37eec77fe925378f4b49d6c77b885a19f954ca64ebc8161

SHA512
b608108ca5c4a79b9f2ef6d7d52e2ea6f05c18045730cae64a9774704bebec08a71f166028d8206d4cd056c14f02e1c01feda7a23b82fbad9c07b03feabac54a

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
5212edd3e13aac9b517160e4e6102f66

SHA1
d24e4d01f5b4a09c03d04ec7b23fcf9c26d76a26

SHA256
656ce2b575836ce46130998617a47fec152faa0af0852ab48244a4e0232de6cf

SHA512
0d38e670ae688419e96006886280df975e5472bcb56d97584a629ff15f93f064508a2456fac9dbe056811acde8c8dff9ef15e655bb2493b66be04fc647e0e8a4

Download Submit
memory/4152-15-0x0000000000920000-0x0000000000947000-memory.dmp

Filesize
156KB

Download
memory/4152-20-0x0000000000920000-0x0000000000947000-memory.dmp

Filesize
156KB

Download
memory/4152-21-0x0000000000920000-0x0000000000947000-memory.dmp

Filesize
156KB

Download
memory/4332-0-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download
memory/4332-17-0x0000000000430000-0x0000000000457000-memory.dmp

Filesize
156KB

Download