urelas | 5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751

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
22/11/2024, 22:42

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General

Target

5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe
Size

60KB
MD5

4620451a21aac417fee0b887468a9d6e
SHA1

8ace28b0b5d5fd0db148512fc84fe441d5cf62d8
SHA256

5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751
SHA512

6c20af01795152effcde247320cd0cb1749e85de688acd52892ff8593e5c4dd9b864d0e02b97fef689780f17eb778aa0b18e939435a8b7fb69daef973fb0cb4c
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPA:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdb

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe

Executes dropped EXE 1 IoCs

pid	Process
2952	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	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2952	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	84
PID 2348 wrote to memory of 2952	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	84
PID 2348 wrote to memory of 2952	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	84
PID 2348 wrote to memory of 2096	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	85
PID 2348 wrote to memory of 2096	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	85
PID 2348 wrote to memory of 2096	2348	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	85

C:\Users\Admin\AppData\Local\Temp\5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe
"C:\Users\Admin\AppData\Local\Temp\5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- 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:2952
- 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:2096

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
60KB

MD5
bc92eab7f6b247024f5736b2bcf269c9

SHA1
dd3b8d022307fc188bbb1aaded607097837dd8c7

SHA256
6eb3ed49f842690cd08117d5fa044d9edac08d358cc81a90e6dccf82948dc36d

SHA512
3d3ee2f14a11ce5bb58e85a42f14cce8466df177cc31ca359fac21e11a40e3c803f712d07fbdd4a55f90c5c694bfa499ebdeaa58bbfa0df7c3384d471ba62f91

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
e715e60d5bfd0fd1653db2e7ebdd711b

SHA1
e1811a12fa203173077d9215ab1a00deed3548bd

SHA256
b82aff41df6755ca8b1d77b813b2a493552edb870a18c6f8bd3d3e19bed2b9f1

SHA512
cc39251716db9961a3102b51463b9ca7f25b04bdb4173664ef51b9a1b5077407a6e108ad822f250951cc490b5d54da297c526993abdfd660ccc969ae864a4762

Download Submit
memory/2348-0-0x0000000000AB0000-0x0000000000AE5000-memory.dmp

Filesize
212KB

Download
memory/2348-14-0x0000000000AB0000-0x0000000000AE5000-memory.dmp

Filesize
212KB

Download
memory/2952-12-0x0000000000B00000-0x0000000000B35000-memory.dmp

Filesize
212KB

Download
memory/2952-17-0x0000000000B00000-0x0000000000B35000-memory.dmp

Filesize
212KB

Download
memory/2952-19-0x0000000000B00000-0x0000000000B35000-memory.dmp

Filesize
212KB

Download
memory/2952-25-0x0000000000B00000-0x0000000000B35000-memory.dmp

Filesize
212KB

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