urelas | 3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36

General

Target

3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe
Size

60KB
MD5

591b0d29ecaf8c4fb813ac94e83cc955
SHA1

56abd39062b85ba9de583343bdc9e3e1a4197d5c
SHA256

3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36
SHA512

69a8f865a176ecb46f845e52adb94c229a38f7ed049ddb7e9dd94f8a432e8b263c9c3ce79a0dbabcaef618bfab9ca72af9af5838a4174410efa2a725855ac099
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPp:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdat

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:

3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

4872 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4872	biudfw.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:

3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.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:

3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe

description	pid	process	target process
PID 4272 wrote to memory of 4872	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	biudfw.exe
PID 4272 wrote to memory of 4872	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	biudfw.exe
PID 4272 wrote to memory of 4872	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	biudfw.exe
PID 4272 wrote to memory of 2428	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	cmd.exe
PID 4272 wrote to memory of 2428	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	cmd.exe
PID 4272 wrote to memory of 2428	4272	3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe
"C:\Users\Admin\AppData\Local\Temp\3f579ffc4e6b75f48e91b86b8c01c87cc3bde8acf4d9fe6ef1f56078e413af36.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4272
- 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:4872
- 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:2428

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
60KB

MD5
dbdc47b5eb227c21fb12ca23e82b48c6

SHA1
0fd64aed49449ab8a880bca17b342ada9e4c12e7

SHA256
21257c45273c2932891b34b05bbd287a9f67977e335edd7dc2cb8627b819dd2f

SHA512
abb20c44458bf59b1eb21e77f6b326994a359a28a163b2b474abae126f1fa040573f4a7acd96193a8333b433fd530cf14ad2655fb79695590baef85e4cb1a1de

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
4e0fb62006667f0bc68d939d580c9a09

SHA1
598cd023c0140af9911a7de2b16e4b9a7ee0efa6

SHA256
acf6eac45dd5443e013711919e9aacef10357ee65022c1bec32dc7d18571e376

SHA512
c5dcb33722e8cc05d783089280bd0fc6584ae83c9e4395b39c12498a13cace7c2e285a7954080ad9b1159f11b3f00ff93b04d9c8120f1c4b65e6bc224351691d

Download Submit
memory/4272-0-0x0000000000AF0000-0x0000000000B25000-memory.dmp

Filesize
212KB

Download
memory/4272-15-0x0000000000AF0000-0x0000000000B25000-memory.dmp

Filesize
212KB

Download
memory/4872-10-0x0000000000A40000-0x0000000000A75000-memory.dmp

Filesize
212KB

Download
memory/4872-18-0x0000000000A40000-0x0000000000A75000-memory.dmp

Filesize
212KB

Download
memory/4872-20-0x0000000000A40000-0x0000000000A75000-memory.dmp

Filesize
212KB

Download
memory/4872-26-0x0000000000A40000-0x0000000000A75000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads