urelas | f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 17:57

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General

Target

f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe
Size

66KB
MD5

24cdb4addc5fffaad2636cb3973672f0
SHA1

5b6c42471a253df25f36df7fe71e798a035e3daf
SHA256

f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273
SHA512

6eccd35623ad57ba1082ffb2f8881f18a83a1aa8e61b0ba62b345eda2c407ffd0d5d395219cf715ceb9a7a004f99dd8973c151be28c37ae5d31433579835d97d
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0s:6bQRSHpAvzyf7MzeThD0s

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe

Executes dropped EXE 1 IoCs

pid	Process
3668	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	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.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 744 wrote to memory of 3668	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	84
PID 744 wrote to memory of 3668	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	84
PID 744 wrote to memory of 3668	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	84
PID 744 wrote to memory of 2764	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	85
PID 744 wrote to memory of 2764	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	85
PID 744 wrote to memory of 2764	744	f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe	85

C:\Users\Admin\AppData\Local\Temp\f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe
"C:\Users\Admin\AppData\Local\Temp\f7b62d6f6b43f6e06fcf542ffa3403760724b430ceabdd225c88a217154b9273N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:744
- 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:3668
- 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:2764

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
cccdc888b8e5678ed0d1647722136300

SHA1
93573285c07e8752d2bd445f0b4f371a8db50260

SHA256
19421bf3c17acdf438b61127bb3f9de904eb426d60be985a2783d41196f576f0

SHA512
5d1fada6208465b0404c863d0b72bcac2dc4518613e594720bf1b7eab45964d15c098247f7118297569fb61a89931d234e5425fcc1298ee70f42fdad15bb7f1c

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
36ff0ce10014371f1d0e19a631c375af

SHA1
a4a113149c0b01e4387048d87c43db0f78307835

SHA256
c0fc1702c2d7a6d8ebbb8752e765335be6578a772bffee013239506f6a8452d0

SHA512
018e72873662e7f2109c3e74a18e74628f652924bc695fa7d800d4201df4119f6473f96c411b8df65f18b3c8d2e55c2f667086c9146622714b35e6cf5cba54e4

Download Submit
memory/744-0-0x0000000000870000-0x0000000000895000-memory.dmp

Filesize
148KB

Download
memory/744-18-0x0000000000870000-0x0000000000895000-memory.dmp

Filesize
148KB

Download
memory/3668-13-0x00000000007F0000-0x0000000000815000-memory.dmp

Filesize
148KB

Download
memory/3668-21-0x00000000007F0000-0x0000000000815000-memory.dmp

Filesize
148KB

Download
memory/3668-23-0x00000000007F0000-0x0000000000815000-memory.dmp

Filesize
148KB

Download
memory/3668-30-0x00000000007F0000-0x0000000000815000-memory.dmp

Filesize
148KB

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