urelas | 3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 21:45

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General

Target

3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe
Size

169KB
MD5

a48ec8742c239425eb97f1976946de02
SHA1

e8b55b254d54e5a602b389f3cd13cacd20dc3f52
SHA256

3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc
SHA512

2737187742a75f8382cfc09055474faba9d3652f306791d8fd04d6920b8a745f62a5c29759c711a68eb91ea301057ec5d74767b1780ec521a53b8eef7585a9f7
SSDEEP

3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yx4BXP1:yOzRWu27dlOd5/YWV9

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe

Executes dropped EXE 1 IoCs

pid	Process
3652	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	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 3652	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	87
PID 4544 wrote to memory of 3652	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	87
PID 4544 wrote to memory of 3652	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	87
PID 4544 wrote to memory of 1816	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	88
PID 4544 wrote to memory of 1816	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	88
PID 4544 wrote to memory of 1816	4544	3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe	88

C:\Users\Admin\AppData\Local\Temp\3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe
"C:\Users\Admin\AppData\Local\Temp\3b23e01ccddcce6ea19bbfd03a139ff40971d0fbae1838a810fc974067618bfc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- 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:3652
- 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:1816

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
63139c0611f863ebcc179f784d753cb2

SHA1
7a32b77d7bd9940b0d2a0efc2bd7ad5d9a50d5b2

SHA256
b6bd7d8099afc6f79dd71f346c0a37b03a58dbf479c2aee94a4c12829e95b492

SHA512
cb98df28ee0c12f95b98bdd67b2364b82454ca982272be4586213a1be6caee914ff53d33db10032ef352751c6bef32979957bc6edda25f994e42628a8bd40cc0

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
338B

MD5
4a07adf202e5d7e360ca60d39a584aed

SHA1
2c9e9076627cae02074cff57495cb2ee1243a581

SHA256
4888cc3f32ccbc16dfb9825a0460a26abfb20e39ec7eb92a86934558d70ed38f

SHA512
f46234b7cfbde062104d7eb42524191a901b9c98274753e5bf61fa9737590402d0b23a6d325fd4d88a70b8983b379b17e6c1c7f16039a3a404835901138385e7

Download Submit
memory/3652-13-0x0000000000920000-0x000000000094B000-memory.dmp

Filesize
172KB

Download
memory/3652-20-0x0000000000920000-0x000000000094B000-memory.dmp

Filesize
172KB

Download
memory/3652-21-0x0000000000920000-0x000000000094B000-memory.dmp

Filesize
172KB

Download
memory/4544-0-0x0000000000F80000-0x0000000000FAB000-memory.dmp

Filesize
172KB

Download
memory/4544-17-0x0000000000F80000-0x0000000000FAB000-memory.dmp

Filesize
172KB

Download