urelas | 5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000

General

Target

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
Size

57KB
MD5

93168f2d91504f9a637add80fbdfca20
SHA1

517a9ad20e16525fc51597787058ad7f585b5954
SHA256

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000
SHA512

b79279717bb4085ed1fcd6b382521db662c982271ae8996983a692eefec93023012ee52e9ecfb623ad7274b7008983e80263246442792d87dedbc6a478fa8b48
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1ls:amZ+luXwy2f9LDhDls

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

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

Processes:

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid	Process
3120	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

Processes:

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exebiudfw.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.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

Processes:

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe

description	pid	Process	procid_target
PID 1552 wrote to memory of 3120	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1552 wrote to memory of 3120	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1552 wrote to memory of 3120	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	88
PID 1552 wrote to memory of 3848	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89
PID 1552 wrote to memory of 3848	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89
PID 1552 wrote to memory of 3848	1552	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	89

C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
"C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- 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:3120
- 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:3848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\biudfw.exe

Filesize
57KB

MD5
4d61a4387c2154ea1d9fd973aec9b371

SHA1
2cfb31f0c5700d56206f786589e8728929287699

SHA256
6fc4f3dd450e9c8cef73b16d046a526b101a02ce6ca2344d92b1ec2d3b1b5154

SHA512
cf5f1ffcc1d2d4ec5298305f29c8cc12ba930301aecce54328920d52127a4459d780a75f4eb42efbe004b7be32ca5cbb8675e551179f5fcccb6a898e22bb2b19

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
340B

MD5
8baef0e70ac285fca0bffd1d8168fd41

SHA1
c2c71ef760a595d187afa95d53ecff70339b51c5

SHA256
c8f286d3a7aef2594f3e759ce02704aa08c1f55a01429758bbac8f1c8896f56e

SHA512
eeedd33e882b306d6f5cd434901dd6f137df9567c43a922562d5d1306ba8720986fc343f67487a7b0c563147dc6cdfa106989018a5705080f01edd5d808dac78

Download Submit
memory/1552-0-0x0000000000B50000-0x0000000000B82000-memory.dmp

Filesize
200KB

Download
memory/1552-18-0x0000000000B50000-0x0000000000B82000-memory.dmp

Filesize
200KB

Download
memory/3120-15-0x0000000000540000-0x0000000000572000-memory.dmp

Filesize
200KB

Download
memory/3120-22-0x0000000000540000-0x0000000000572000-memory.dmp

Filesize
200KB

Download
memory/3120-24-0x0000000000540000-0x0000000000572000-memory.dmp

Filesize
200KB

Download
memory/3120-31-0x0000000000540000-0x0000000000572000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads