urelas | 5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000

Analysis

max time kernel
134s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 14:03

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General

Target

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
Size

57KB
MD5

93168f2d91504f9a637add80fbdfca20
SHA1

517a9ad20e16525fc51597787058ad7f585b5954
SHA256

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000
SHA512

b79279717bb4085ed1fcd6b382521db662c982271ae8996983a692eefec93023012ee52e9ecfb623ad7274b7008983e80263246442792d87dedbc6a478fa8b48
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1ls:amZ+luXwy2f9LDhDls

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	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe

Executes dropped EXE 1 IoCs

pid	Process
2272	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	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.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 1592 wrote to memory of 2272	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1592 wrote to memory of 2272	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1592 wrote to memory of 2272	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1592 wrote to memory of 4772	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89
PID 1592 wrote to memory of 4772	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89
PID 1592 wrote to memory of 4772	1592	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89

C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
"C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1592
- 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:2272
- 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:4772

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
7efd976ec83f42ae5ace127566b8fc22

SHA1
cff1a4174c7e1ad796fab2261a4720011f24166f

SHA256
08a182f8f015222dcd0493aff122a87831e842d7d89944a6a067740c6c729af2

SHA512
026bb9f7978cdded673cfd66eaffe21b2a2491c28418122b9ef5c3e59359265df290e10434727fbdd3c55a2d4b17dbe1eb9e03cc59958435c55b2a3f81217e9e

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
8baef0e70ac285fca0bffd1d8168fd41

SHA1
c2c71ef760a595d187afa95d53ecff70339b51c5

SHA256
c8f286d3a7aef2594f3e759ce02704aa08c1f55a01429758bbac8f1c8896f56e

SHA512
eeedd33e882b306d6f5cd434901dd6f137df9567c43a922562d5d1306ba8720986fc343f67487a7b0c563147dc6cdfa106989018a5705080f01edd5d808dac78

Download Submit
memory/1592-0-0x0000000000960000-0x0000000000992000-memory.dmp

Filesize
200KB

Download
memory/1592-17-0x0000000000960000-0x0000000000992000-memory.dmp

Filesize
200KB

Download
memory/2272-13-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

Download
memory/2272-20-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

Download
memory/2272-22-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

Download
memory/2272-29-0x00000000004A0000-0x00000000004D2000-memory.dmp

Filesize
200KB

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