urelas | b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e

General

Target

b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe
Size

67KB
MD5

50c120558fb0abc6c421072bdd0f0032
SHA1

8ff8418beb040c5c9f66202abea3b7a339ae4f7a
SHA256

b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e
SHA512

6f03f6c3dba2c4c6e23e97dd345d0b764cd31b41eb34e35db786718a233528b5903b3e817641de80dc9b5c61fac454d8a525904ce95da5499e68c6d3750c1809
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarU:yLAYUzmdD0sMQl7d7IuhCag

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
Urelas family
urelas
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2796 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

540 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe

pid process

1632 b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2796	cmd.exe

pid	process
540	biudfw.exe

pid	process
1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.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:

b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.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 8 IoCs

Processes:

b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe

description	pid	process	target process
PID 1632 wrote to memory of 540	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	biudfw.exe
PID 1632 wrote to memory of 540	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	biudfw.exe
PID 1632 wrote to memory of 540	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	biudfw.exe
PID 1632 wrote to memory of 540	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	biudfw.exe
PID 1632 wrote to memory of 2796	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	cmd.exe
PID 1632 wrote to memory of 2796	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	cmd.exe
PID 1632 wrote to memory of 2796	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	cmd.exe
PID 1632 wrote to memory of 2796	1632	b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe
"C:\Users\Admin\AppData\Local\Temp\b17de79fe99a08b69e342af556f9169eb04933003fb9fce745bf63ae01c9157e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1632
- 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:540
- 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:2796

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
512B

MD5
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
338B

MD5
9ad71aedcbac6e3589e904b7845ba34d

SHA1
cd56885a4679e6eef2f5a78dfe9b9ed39f5dd625

SHA256
6cdf3504e1cdadee4813c85ec1a09785e5f0f97de0f61f3a2f6ea2aafca38674

SHA512
b7e7ca586af49d814e196683e917478cb03ba2b1a86f90f9ca641cf42e1996914242fff07ac15cffdb13842e482b5c9111f0780aa91b74d8b232e134ae8fa7ab

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
67KB

MD5
ae11f1d83f5c00001e26f448bc50d0cc

SHA1
a9b29e7bcac062557654853568496b0a9dae9a08

SHA256
ad3f250544e04d0a822bfd3e8a201ae0978199c69ced21c34474ac40b6a0ba63

SHA512
3cbc629e34c070277f1a60b11b6bb2e4b20eefba827f942163fee8fbf5042f656a2a1727c06cf97da838e42b99b51b4f6b89a6835a39396cd66a0163d8a396f5

Download Submit
memory/540-21-0x0000000000020000-0x0000000000047000-memory.dmp

Filesize
156KB

Download
memory/540-23-0x0000000000020000-0x0000000000047000-memory.dmp

Filesize
156KB

Download
memory/540-30-0x0000000000020000-0x0000000000047000-memory.dmp

Filesize
156KB

Download
memory/1632-0-0x00000000011E0000-0x0000000001207000-memory.dmp

Filesize
156KB

Download
memory/1632-6-0x0000000000950000-0x0000000000977000-memory.dmp

Filesize
156KB

Download
memory/1632-18-0x00000000011E0000-0x0000000001207000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing