urelas | d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73b

Analysis

max time kernel
98s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 05:20

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General

Target

d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe
Size

66KB
MD5

525957cb9394b8019da37cb5237ea960
SHA1

d8fdb97bef17159b94696c818b486a4eaae9383d
SHA256

d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73b
SHA512

5860f49f5a7870ba4f119042cd974ca18e39ba0a0cacf53b206b0e7d730ac3a8bf379f5fa33044f8904d52a1b1cc71a2ff25f70a4324a0445c4922c55365ed88
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0l:6bQRSHpAvzyf7MzeThD0l

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe

Executes dropped EXE 1 IoCs

pid	Process
5004	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	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.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 2560 wrote to memory of 5004	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	83
PID 2560 wrote to memory of 5004	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	83
PID 2560 wrote to memory of 5004	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	83
PID 2560 wrote to memory of 1544	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	84
PID 2560 wrote to memory of 1544	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	84
PID 2560 wrote to memory of 1544	2560	d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe	84

C:\Users\Admin\AppData\Local\Temp\d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe
"C:\Users\Admin\AppData\Local\Temp\d76022b8cfb7ff7756ec20f02a9b102a8e109d5916da75a852cee2327bfcd73bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- 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:5004
- 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:1544

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
66KB

MD5
21703b13004b1c1ec5d861daff14c63b

SHA1
1ecd34f8b2b2510f60a1ae5394f96c82d2044cc2

SHA256
18fb7fafd1b1dfaac1f862e206d5514a66919db8ed449e3cf07e133c10aadb3e

SHA512
9ce06b48413ce830c12c0df8cdbfa983a0fb0571f3e57282abb91c95f0f4e2c19e44fd46cc37c6354373dceba7a3e9bad0a772bdb0cc6b808970fdfb00a1d747

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
d92ab9055bf6d72b416c969e7e1c6617

SHA1
4a356bdb18e04c3c260aaafa19e5fdd87060101f

SHA256
df8dadd45834f64e50c445d2095acd79acc694f782bbd45c0e60480ba6bbe082

SHA512
842bbcf153523456273444e0ea7aa08fcb66b2cee9fda72e842a58266ea9490c6edfb7e8825f76396d1d39bdfc702019dd82f5e37a92bcf0aa3b7f5221d50a2a

Download Submit
memory/2560-0-0x0000000000EC0000-0x0000000000EE5000-memory.dmp

Filesize
148KB

Download
memory/2560-17-0x0000000000EC0000-0x0000000000EE5000-memory.dmp

Filesize
148KB

Download
memory/5004-13-0x0000000000500000-0x0000000000525000-memory.dmp

Filesize
148KB

Download
memory/5004-20-0x0000000000500000-0x0000000000525000-memory.dmp

Filesize
148KB

Download
memory/5004-22-0x0000000000500000-0x0000000000525000-memory.dmp

Filesize
148KB

Download
memory/5004-29-0x0000000000500000-0x0000000000525000-memory.dmp

Filesize
148KB

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