urelas | c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179ee

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 10:39

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General

Target

c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe
Size

169KB
MD5

547433b1c994e7537f4849297fcca790
SHA1

d7c44fbca8f6516b04243c11936ad08a4067cdaf
SHA256

c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179ee
SHA512

6ecc131cbef5c3af4022e7cbf01e951f7bcb6808445e88c5f2f5b5d1bc9e57784dfe2b6487d90b6b9ace6b5482822c0514ee82b383eddf980fbebaa7408dc78d
SSDEEP

3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yx4BXPC:yOzRWu27dlOd5/YWVK

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe

Executes dropped EXE 1 IoCs

pid	Process
3828	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	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.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 2500 wrote to memory of 3828	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	87
PID 2500 wrote to memory of 3828	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	87
PID 2500 wrote to memory of 3828	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	87
PID 2500 wrote to memory of 2284	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	88
PID 2500 wrote to memory of 2284	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	88
PID 2500 wrote to memory of 2284	2500	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	88

C:\Users\Admin\AppData\Local\Temp\c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe
"C:\Users\Admin\AppData\Local\Temp\c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:3828
- 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:2284

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
169KB

MD5
b80ea916009d648299872e3f2fca443b

SHA1
1c75f178ce3f394b43a8e250b1991927e854e63b

SHA256
a0bd6c9c140633cff71b38919d1af2a8e0610edabad28aa79686c158081793ab

SHA512
1d4fd396ebd9505994732a860ada55c494383ff698624015cda56fdea9c7130650585799daca9341634f64bf07b315f82942802ce25d797150cbbbb3704cc10d

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

Filesize
512B

MD5
ac5e84ed8031d66a9fcd5e472ba8091b

SHA1
06303add604104d6abbb69458f89773c066b470c

SHA256
3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

SHA512
7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

Filesize
340B

MD5
545c61b864f4e47ae8805a5e0584ccd2

SHA1
9b1c6cbdd7724d70f56c44a9246cfa40636c2200

SHA256
1283afe8f96a4f3a6cb1addf857e99bb3d01cc5b32289fb6ff681d62783a9164

SHA512
dcfa377eb78d33df344a5f28b0194a24eea091e6dbf436d3c8258e24021b1719bf72402b235848695568f2ea59f20321e4c96fe3d0484a64e4aa3f767edf8f12

Download Submit
memory/2500-0-0x0000000000490000-0x00000000004BB000-memory.dmp

Filesize
172KB

Download
memory/2500-17-0x0000000000490000-0x00000000004BB000-memory.dmp

Filesize
172KB

Download
memory/3828-15-0x0000000000480000-0x00000000004AB000-memory.dmp

Filesize
172KB

Download
memory/3828-20-0x0000000000480000-0x00000000004AB000-memory.dmp

Filesize
172KB

Download
memory/3828-21-0x0000000000480000-0x00000000004AB000-memory.dmp

Filesize
172KB

Download