urelas | fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3

General

Target
fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe
Size 274KB
Sample240805-gcfcmsybkk
SHA256 fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3
MD5 f9d00f7699813cc5bb0a8ac8c5d16587
SHA1 e1fe07952c2801edc558d796db210a7d73618219
SHA512 bc812f6be813f7f472fe3145c5476720e169f60901c41c0cc758c0447df0c10e8da5e56dbee884c84edf9fd8463364c2bb614d7ec84cc0072426a8c63b081e82
SSDEEP 3072:pp56zRJ83+OJ7NoGvdwWy6k04yW/KME0jj0wA6m:pOzRWu27dlOd5W0Ih
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

218.54.47.76
218.54.47.77
218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2680	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.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	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2744	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	30
PID 2372 wrote to memory of 2744	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	30
PID 2372 wrote to memory of 2744	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	30
PID 2372 wrote to memory of 2744	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	30
PID 2372 wrote to memory of 2680	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	31
PID 2372 wrote to memory of 2680	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	31
PID 2372 wrote to memory of 2680	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	31
PID 2372 wrote to memory of 2680	2372	fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe	31

C:\Users\Admin\AppData\Local\Temp\fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe
"C:\Users\Admin\AppData\Local\Temp\fd2b764bb57ea391ba5faf686914d5fc11ef5227ba71f101839df05bcc590cb3.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2744
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5
MD5 ac5e84ed8031d66a9fcd5e472ba8091b
SHA1 06303add604104d6abbb69458f89773c066b470c
SHA512 7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 338B
SHA256 8febbb34402fc2642eb69b80ce7b2658a701b51e4c8c59cca8eb40e00d2c6989
MD5 37e6cd981b0e855d058d9b60ae0b2078
SHA1 f6fe4efa5e4a7f584b7c6aceb7618c41fa2ed0e5
SHA512 26460eb87498cf12615a5958ba568d26d9dec49a504745af06fd53c4d9e4bcca46d64003fdccbb3b3de8429a72fe3545d9192558a476bc257d1b1fc4fa9ba191
MD5 SHA1 SHA512

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biudfw.exe

Path \Users\Admin\AppData\Local\Temp\biudfw.exe
Size 274KB
SHA256 e4b14c97d5338a77835267f54a2c237bb83f9ef7610a4fe12b7561b37e9161d9
MD5 cb960aa88ae29f3e1ebd988977a4dc8d
SHA1 eb2023e1ca869038e44218f368173396761fdfd0
SHA512 c9eabb2000eabaafac5e2b3c75198df11baba6c86ea0bd7acbea058673ba3cfbbcdf5ce3cb101cf1f1c805b76e83505e93d70d1846e76919c5c7737e3690f9ae
SSDEEP 3072:pp56zRJ83+OJ7NoGvdwWy6k04yW/KME0jj0wA6q:pOzRWu27dlOd5W0ID
MD5 SHA1 SHA512 SSDEEP

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memory/2372-0-0x0000000000920000-0x0000000000966000-memory.dmp

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memory/2372-6-0x0000000001DF0000-0x0000000001E36000-memory.dmp

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memory/2372-18-0x0000000000920000-0x0000000000966000-memory.dmp

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memory/2744-10-0x0000000001020000-0x0000000001066000-memory.dmp

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memory/2744-21-0x0000000001020000-0x0000000001066000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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