urelas | d19ed72ef49e73b079fdfdaff12a724a2d9e8bb6107d182d09254973b6de5a14

Analysis

max time kernel
137s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31/08/2024, 03:36

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General

Target
60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe
Size 60KB
Sample240831-d565aateqq
SHA256 60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9
MD5 8f18d363dd032a46f27618080626eb1f
SHA1 95ce1d01e04e0d513711548415f166587a1ea103
SHA512 5299d5297b1b1c9449f338c11f6d409dce4ad0106c83c0c7577d5163e2abf2e2348f401ae22141fc447d7cd9355a81c64166e36f9931f4e2a89060c3d2a29222
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPa:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

218.54.47.76
218.54.47.77
218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan 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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.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

description	pid	Process	procid_target
PID 1648 wrote to memory of 2380	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	88
PID 1648 wrote to memory of 2380	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	88
PID 1648 wrote to memory of 2380	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	88
PID 1648 wrote to memory of 4884	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	89
PID 1648 wrote to memory of 4884	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	89
PID 1648 wrote to memory of 4884	1648	60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe	89

C:\Users\Admin\AppData\Local\Temp\60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe
"C:\Users\Admin\AppData\Local\Temp\60477867b4b3356b8b7cfd685dd763840a456960263c449500cae4c65520c7b9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1648
- 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:2380
- 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:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 60KB
SHA256 f49d863b88757ce72b1cc448ad476c3c6909cb1889f59e999c56c38eb369d87b
MD5 d4494b403b7771b0bf7da62323a0ac38
SHA1 9022b4427850fd2961c0be97bec492ee617ed662
SHA512 21db18f35645d5ac0f0242f7aa82f66af66af52636c38144c8b1eaf13c0364b5a18b62ab4bff2d704be9df6984f5c60040cf3634d53f7843ae878897af995ae3
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxP0:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdT
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
MD5 55e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1 449221fd8d7196a54de2bd583625d8d1b64db56a
SHA512 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 338B
SHA256 cb30f014d23450288d0ee5ae5b6e01f4a1b1142d768e7522c72e0d336ad3ed3c
MD5 c20ce50e6a8f52527b353285d697774c
SHA1 27e53a8365d27b54dce232980a6e86bbb8eeab99
SHA512 121a4944fc4af7d310e1f8ae2f2cdcfbb8a28285b0fbe559dedf841b342ddd0a044b6c7cb497ac6aad465bc308e5402e2f025e742bd1a847d11ec78b8f73a4c4
MD5 SHA1 SHA512

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memory/1648-0-0x0000000000780000-0x00000000007B5000-memory.dmp

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memory/1648-15-0x0000000000780000-0x00000000007B5000-memory.dmp

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memory/2380-10-0x0000000000B90000-0x0000000000BC5000-memory.dmp

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memory/2380-18-0x0000000000B90000-0x0000000000BC5000-memory.dmp

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memory/2380-20-0x0000000000B90000-0x0000000000BC5000-memory.dmp

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memory/2380-27-0x0000000000B90000-0x0000000000BC5000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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