urelas | 4763cba6c576e50e45458fbcdac8ad8c9ef5f8977556db16c8cbf1d5ee6f6e0d

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 01:05

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General

Target
811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe
Size 467KB
Sample240902-bfp4csxbpj
SHA256 811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d
MD5 3fc770a3d86428ee0036893b63305699
SHA1 14724e568a3c3fd95ab3b5480e964e098bc78297
SHA512 194b509177bfd568cae2ddf6165c0797473a55901bc23c20d4c4caa0034427c2d8d370f37f647507373d96abe940f6695032a0aa149c15425aead0f1bfa8836f
SSDEEP 12288:j3CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mD:jx9GzHlTv/b35tecFB6e
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

121.88.5.183
121.88.5.184

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe

Executes dropped EXE 1 IoCs

pid	Process
4496	sander.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	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sander.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 4496	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	87
PID 4156 wrote to memory of 4496	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	87
PID 4156 wrote to memory of 4496	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	87
PID 4156 wrote to memory of 3836	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	88
PID 4156 wrote to memory of 3836	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	88
PID 4156 wrote to memory of 3836	4156	811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe	88

C:\Users\Admin\AppData\Local\Temp\811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe
"C:\Users\Admin\AppData\Local\Temp\811550f43843b0d3f70b3e7f4e0fdd5dfd9636a9ba54aa8443aece836d38aa6d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Users\Admin\AppData\Local\Temp\sander.exe
  "C:\Users\Admin\AppData\Local\Temp\sander.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4496
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3836

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

_sannuyex.bat

Path C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat
Size 341B
SHA256 e04ab68d42e5c2cb03d5fcff7ec142fb53bad77cba518eaa0976b431ea0ee409
MD5 b54203877dbf1a6ef16aee8e81400523
SHA1 f94057b12d334cc141388d26c2142fca848d85d2
SHA512 cd59ab2c70e83336088027499148aec52eb3b3e8aecd6c3656390c555b8b4173ba2f3302b5e06e2c282769730787b15c4e9228d4c91b071d78a659d658d3d570
MD5 SHA1 SHA512

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 66c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea
MD5 145cec05d8d704ff7aa3d812b1aff628
SHA1 097ae09965ed3804359803708b8af87b5b90fcbb
SHA512 1037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d
MD5 SHA1 SHA512

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sander.exe

Path C:\Users\Admin\AppData\Local\Temp\sander.exe
Size 467KB
SHA256 accb2759689a45589b3db4963b8bda922b4818ba203bfc3705d1767af18000d2
MD5 34dc6a08f7b8957c3d84cceb4912cec1
SHA1 08079beee0c8548275f711729ff5e6aa86054d8e
SHA512 6f43e3fc948538837732ca35a56966be6da13e840c136b987caa2f797bd5af1c9b90badc12d0ef4a16156a746539895a4ab80843c1a03dd6b84db70cb1f73487
SSDEEP 12288:j3CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mR:jx9GzHlTv/b35tecFB6w
MD5 SHA1 SHA512 SSDEEP

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memory/4156-0-0x0000000000040000-0x00000000000C2000-memory.dmp

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memory/4156-14-0x0000000000040000-0x00000000000C2000-memory.dmp

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memory/4496-11-0x0000000000730000-0x00000000007B2000-memory.dmp

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memory/4496-17-0x0000000000730000-0x00000000007B2000-memory.dmp

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memory/4496-18-0x0000000000730000-0x00000000007B2000-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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