urelas | 862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c

General

Target

862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe
Size

192KB
MD5

5d3781d01a072727ceaf41e54b6faad2
SHA1

c8ab2f99c7562ec176511a6f80c8cfcfbb0de277
SHA256

862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c
SHA512

7931adcdb59bb758b4d1a53f660bc4a1495a4a3bd454ef22d651ac7405bb25df3cadca22f27fb39c43e9606a0b6364cd761cd524a4389a55f0dfd3b84c0c51d6
SSDEEP

3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhO:gExhk7rh7NEOIYWlPM6r6O

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

2300 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1976 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe

pid process

1908 862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2300	cmd.exe

pid	process
1976	biudfw.exe

pid	process
1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.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:

862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.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:

862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe

description	pid	process	target process
PID 1908 wrote to memory of 1976	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	biudfw.exe
PID 1908 wrote to memory of 1976	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	biudfw.exe
PID 1908 wrote to memory of 1976	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	biudfw.exe
PID 1908 wrote to memory of 1976	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	biudfw.exe
PID 1908 wrote to memory of 2300	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	cmd.exe
PID 1908 wrote to memory of 2300	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	cmd.exe
PID 1908 wrote to memory of 2300	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	cmd.exe
PID 1908 wrote to memory of 2300	1908	862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe
"C:\Users\Admin\AppData\Local\Temp\862a38f6e34687da7183713e8246e8c3d7b4d6eca9fafb36da705683b14ef60c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- 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:1976
- 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:2300

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

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

Filesize
512B

MD5
2776cde4761cefd1198f4712989957b1

SHA1
c801245a080524e704e8e3da95700e58e9d1ca3c

SHA256
69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

SHA512
bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

Filesize
338B

MD5
c72b0dbc2accb020ba8189860fcf2362

SHA1
5a1f10a1829006cdc073619262ccc504524f39ee

SHA256
87760fd1e929aac24d76876d4066670b956112e180a46f9e4bf4ea2a3edd4c03

SHA512
4e77fe1c41c63f154387004a39a120f6c420917ccf6df478bd9c30918ed59f7ae17a2b10fbd7d90511e8e0d69b04f561bb7e5c50f5b3f28bbb46a309097b5990

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

Filesize
192KB

MD5
9f2c000ca6ce37982c3fed17f5ab099b

SHA1
415c18c8fe6e05d68aea977c233ac1db0d700a01

SHA256
8ce66aba58cf430625e8acbec62e2e4a03c972a3c4fb30935287e2581ac12d15

SHA512
9076c35ab237b6aeb8b76fbaf3a26e835fbcf0b82bb6ce5d1ddcabb7e03f7a8b6e553d3255e02bd92860bc64bd3efe5893d4e3c483eeabd29b0c5da26de605ff

Download Submit
memory/1908-0-0x0000000000EF0000-0x0000000000F24000-memory.dmp

Filesize
208KB

Download
memory/1908-18-0x0000000000EF0000-0x0000000000F24000-memory.dmp

Filesize
208KB

Download
memory/1908-16-0x0000000000630000-0x0000000000664000-memory.dmp

Filesize
208KB

Download
memory/1976-17-0x0000000001360000-0x0000000001394000-memory.dmp

Filesize
208KB

Download
memory/1976-21-0x0000000001360000-0x0000000001394000-memory.dmp

Filesize
208KB

Download
memory/1976-22-0x0000000001360000-0x0000000001394000-memory.dmp

Filesize
208KB

Download

Analysis

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