urelas | 1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89

Analysis

max time kernel
102s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 21:05

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General

Target

1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe
Size

64KB
MD5

985eecb86bd674b5ad02125a352aa8c0
SHA1

5848bdce28e7ce267d92413354e417fea98048cd
SHA256

1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89
SHA512

1cc85cd4b522cf4a12bd243b9118cfd75ef83bb73594708ba2407e26fce2bcb7780abd717afaa4abab87f7f8dadaf04ba280939c4cd5db75d445c9422a9ac22d
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/k:6bQRSHpAvzyf7MzeTYk

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe

Executes dropped EXE 1 IoCs

pid	Process
448	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	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.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 4104 wrote to memory of 448	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	88
PID 4104 wrote to memory of 448	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	88
PID 4104 wrote to memory of 448	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	88
PID 4104 wrote to memory of 1464	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	91
PID 4104 wrote to memory of 1464	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	91
PID 4104 wrote to memory of 1464	4104	1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe	91

C:\Users\Admin\AppData\Local\Temp\1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe
"C:\Users\Admin\AppData\Local\Temp\1056d1071505c83467bbb4822d1462d33f64fe850cdb2f284e9a102a25273d89N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4104
- 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:448
- 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:1464

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
64KB

MD5
c3396fcf09da6be848755164648ecd04

SHA1
d66cd55c258b7e55c12661a46fe350c7e0a535ac

SHA256
25014064dfee1b3f03c53a32bc19aef4614a18533668a8199df47f628435ec7f

SHA512
3a7deecabfdfbb5a8bc08ec631fc901f087f9628be6693d12ba68416d152f04afca7413c2e1aaead5c54ab76326e0b6bc5e9345c8fa6e20b7c534c96e37b12a9

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

Filesize
512B

MD5
efd90b3ac908d5482af367de3a82184a

SHA1
de9f01d2ed0247b7b347e55c5a09721a60147fb9

SHA256
44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

SHA512
6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

Filesize
340B

MD5
9e82332229b958578e28ba914d8c1f05

SHA1
f36d4df007dfc9589ae866ac6841a5a2f9a1c632

SHA256
1ad9df3e56b90470d0d0299454062956aed3785e47617eb97753dcc10a924ca6

SHA512
b893290ca85a840c930af9426b427d627a65b3411f130e2b98ef21e2e7df88f816cf394edc5769ae9090c3c3bbc518d9974fff70792cc1bd658b0deb2a6cccee

Download Submit
memory/448-13-0x0000000000A40000-0x0000000000A65000-memory.dmp

Filesize
148KB

Download
memory/448-21-0x0000000000A40000-0x0000000000A65000-memory.dmp

Filesize
148KB

Download
memory/448-23-0x0000000000A40000-0x0000000000A65000-memory.dmp

Filesize
148KB

Download
memory/448-30-0x0000000000A40000-0x0000000000A65000-memory.dmp

Filesize
148KB

Download
memory/4104-0-0x0000000000CE0000-0x0000000000D05000-memory.dmp

Filesize
148KB

Download
memory/4104-18-0x0000000000CE0000-0x0000000000D05000-memory.dmp

Filesize
148KB

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