urelas | d620b15623bb352588dbe7e71ed15be7018750380cf5670c0acfec5612b28d9c

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 08:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

59f0820e1dba93f32143edd3016243e0N.exe
Size

53KB
MD5

59f0820e1dba93f32143edd3016243e0
SHA1

29ca84156e31cf22dff3784e0ea8fe16beacb5ac
SHA256

d620b15623bb352588dbe7e71ed15be7018750380cf5670c0acfec5612b28d9c
SHA512

5378d3b9a667f59c18d8544269441f5a0f331e1730c6fa6038b8508d58bf74d7a8c33c60822d1621fb932f265070776224c2f1304f8b852df9f7a3acfd28929f
SSDEEP

1536:TlnBzGPEdPJpUI4QP4BDK3XmbPfKJ97ifa:JnBGPUMQwBDamb3a7iy

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

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

Processes:

59f0820e1dba93f32143edd3016243e0N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation	59f0820e1dba93f32143edd3016243e0N.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1824 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1824	biudfw.exe

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

Processes:

59f0820e1dba93f32143edd3016243e0N.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59f0820e1dba93f32143edd3016243e0N.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

Processes:

59f0820e1dba93f32143edd3016243e0N.exe

description	pid	process	target process
PID 1568 wrote to memory of 1824	1568	59f0820e1dba93f32143edd3016243e0N.exe	biudfw.exe
PID 1568 wrote to memory of 1824	1568	59f0820e1dba93f32143edd3016243e0N.exe	biudfw.exe
PID 1568 wrote to memory of 1824	1568	59f0820e1dba93f32143edd3016243e0N.exe	biudfw.exe
PID 1568 wrote to memory of 3188	1568	59f0820e1dba93f32143edd3016243e0N.exe	cmd.exe
PID 1568 wrote to memory of 3188	1568	59f0820e1dba93f32143edd3016243e0N.exe	cmd.exe
PID 1568 wrote to memory of 3188	1568	59f0820e1dba93f32143edd3016243e0N.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\59f0820e1dba93f32143edd3016243e0N.exe
"C:\Users\Admin\AppData\Local\Temp\59f0820e1dba93f32143edd3016243e0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1568
- 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:1824
- 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:3188

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
53KB

MD5
91db822d1924cef9326148745ce7e5d5

SHA1
3abd2f8c437c2f271222ab0dcf124e5c3738b544

SHA256
1eb29042bf24eaa44702c94866242aa49b11b16b599e29543e3646d780c78512

SHA512
48cf91f7909485ef11668f394e77b65c9042c5f7b4239aee83908e0070279f9f01677d923f3bd1a33fb9db573c876fe4c18b8e684825f0bfd742bd7c0b376ad1

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

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
276B

MD5
81e05de602affcce0df5ebb80d5cb29d

SHA1
ee5f67f6d7fb476030780f50dd92ea78f6871b88

SHA256
8e942d9a670d8961bab18fa7ec93182ddaf9fcf31bf306f7268f079cea1a21ad

SHA512
43525dd191f61167d10999178edf440966dcf5fc0558043df17cf19f7588d25071231ed76430f57fca0efd4815e994939708a2e57659dd46e3416ac1732d37aa

Download Submit
memory/1568-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1568-15-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-18-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-20-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1824-27-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download