urelas | e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2024 22:28

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General

Target

e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe
Size

57KB
MD5

cf2a4f2bb279bfa058c9959eef7ca996
SHA1

1145a2db59d3060bf39dbd84e12df8b8598d719e
SHA256

e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6
SHA512

4ea339c36ac8a2187f75fac6452cc2e9d78d8870bc3ffa49d23880c387144c3470478dd03d777beb22c5e10c1e678c3d8bb650841d9db3f4445f13a5437091d2
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8R:MOemdTd1o74qlmbbJ+x+Ik3

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe

Executes dropped EXE 1 IoCs

pid	Process
1348	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	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.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 4192 wrote to memory of 1348	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	82
PID 4192 wrote to memory of 1348	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	82
PID 4192 wrote to memory of 1348	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	82
PID 4192 wrote to memory of 3396	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	83
PID 4192 wrote to memory of 3396	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	83
PID 4192 wrote to memory of 3396	4192	e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe	83

C:\Users\Admin\AppData\Local\Temp\e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe
"C:\Users\Admin\AppData\Local\Temp\e350b0c0ecd551ae9874ab5ad3d9453e334e7ff9f5c1d5ac6b7691cdf49846a6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4192
- 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:1348
- 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:3396

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

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Downloads

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

Filesize
57KB

MD5
77353e86bc40d29d94b4ae455c6e33f9

SHA1
67e933dd348d7ab90148741f43e705d6e07cc75a

SHA256
b06220a35edfa27719e4aee5e0656a57f03f9d244ba339229c233b3474a498ad

SHA512
b0d972420f27b85435a56b56caed4b2f459e57bd7c9d7bcbfdbf9670f3b11d95ae866cd587d0a12151c188202e3d6bcc087aee93018e329402d6e35602ea97c8

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

Filesize
512B

MD5
7cdc8777d33db85bc19aefb64879a7f7

SHA1
f2d494d4dfe93a05eb58513935196e8578648adf

SHA256
9af382db716e39144dda99d3d9afbd5df9b65e6a36af229e715c00539bce6336

SHA512
34b075db80bf3704f76f9dd28eedffe88c9b3b5f730c79c27b9908fe2865847ae925487de2dcc1a8566bd3836d3b770ca3831d0b110312376684a92e42c6b48f

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

Filesize
338B

MD5
df455c08bdb279100af6cdeece1363a3

SHA1
d6d0286244d66e4b7cff4a6ee17b509cfdebdceb

SHA256
256ce19d65267e281c253526e8ca40b6f769b8b8f97c1cd9abb7b44c955d5930

SHA512
6a3404601d87777dfb453e29682d8877e8a8cbbc591f19cd03a7118120e72ded34d388b992c03e6dfde1d0fc28f9bc7ffc752bd38c7dfe8b8c1bbc93adcea2b2

Download Submit
memory/1348-10-0x0000000000F70000-0x0000000000F96000-memory.dmp

Filesize
152KB

Download
memory/1348-18-0x0000000000F70000-0x0000000000F96000-memory.dmp

Filesize
152KB

Download
memory/1348-20-0x0000000000F70000-0x0000000000F96000-memory.dmp

Filesize
152KB

Download
memory/1348-26-0x0000000000F70000-0x0000000000F96000-memory.dmp

Filesize
152KB

Download
memory/4192-0-0x0000000000680000-0x00000000006A6000-memory.dmp

Filesize
152KB

Download
memory/4192-15-0x0000000000680000-0x00000000006A6000-memory.dmp

Filesize
152KB

Download