urelas | 9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8

Analysis

max time kernel
94s
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
21-01-2025 10:50

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General

Target

9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe
Size

57KB
MD5

9efa52605ac53b7ca2697c1592885300
SHA1

0292c3495e4f9131f170fc4a8f239d33b22b7788
SHA256

9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8
SHA512

740059f1c76b5955b0d2b594104d44228775198dbf26afe70f7715237eb13a87597f99de08b868486a5c6513c391c96315ade523bbeefb506dcb39781abbfdd9
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1C:amZ+luXwy2f9LDhDC

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe

Executes dropped EXE 1 IoCs

pid	Process
4648	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	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.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 4404 wrote to memory of 4648	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	82
PID 4404 wrote to memory of 4648	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	82
PID 4404 wrote to memory of 4648	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	82
PID 4404 wrote to memory of 836	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	83
PID 4404 wrote to memory of 836	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	83
PID 4404 wrote to memory of 836	4404	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	83

C:\Users\Admin\AppData\Local\Temp\9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe
"C:\Users\Admin\AppData\Local\Temp\9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4404
- 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:4648
- 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:836

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
52f25f47b0af0091173583a26e4c198f

SHA1
5b5eae61091af36dc810a6038208275c45839733

SHA256
4fb8997e236d952724c75e610fab3c791f1fc6de9b76fe223fabfc5534d21500

SHA512
50b189ed2dd7aea945a71f2dbc27f80ebd782c969223aeb1d47e46c0825a3de0fc0bf418773d555246fec230a8e7c67fdb176e19a54d589a804b835018909ac1

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
51f83a280b31a2220086c181f999b959

SHA1
a2b79108557baa4943ae02b50d8686c8050b367b

SHA256
8bf7db39fe7f2a3ea71695530f0cc1cd0c97a10f75400ac9c6ea5f0d3f86537d

SHA512
1204d47b2eaee41051f4bbdefa3baf21e35f9c42deb4ce9f20ea160c32ee7cac06a29b29ec69bb6b7843eb8e3e9a36e1fc399acb1381761d5f934895fb0b4708

Download Submit
memory/4404-0-0x0000000000B70000-0x0000000000BA2000-memory.dmp

Filesize
200KB

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memory/4404-18-0x0000000000B70000-0x0000000000BA2000-memory.dmp

Filesize
200KB

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memory/4648-12-0x0000000000180000-0x00000000001B2000-memory.dmp

Filesize
200KB

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memory/4648-21-0x0000000000180000-0x00000000001B2000-memory.dmp

Filesize
200KB

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memory/4648-23-0x0000000000180000-0x00000000001B2000-memory.dmp

Filesize
200KB

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memory/4648-29-0x0000000000180000-0x00000000001B2000-memory.dmp

Filesize
200KB

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