urelas | 0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 14:29

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General

Target
0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe
Size 159KB
Sample241015-rt3jlszamc
SHA256 0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85
MD5 3a746d12104aa8da6a56bc39bfbf9400
SHA1 6e923f8079882c319188440a10bfd1b77d2b15d4
SHA512 349a972eb610164060d4671a2f6197dbea59d5355c96c7c3760eef147d88bc2fb6b5f10954d2ad9cb98a8da38e2b2e083fbe22daabbe5391c767bb403da0e398
SSDEEP 3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yi:yOzRWu27dlOd5/Yi
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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe

Executes dropped EXE 1 IoCs

pid	Process
3484	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	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.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 1396 wrote to memory of 3484	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	87
PID 1396 wrote to memory of 3484	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	87
PID 1396 wrote to memory of 3484	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	87
PID 1396 wrote to memory of 3976	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	88
PID 1396 wrote to memory of 3976	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	88
PID 1396 wrote to memory of 3976	1396	0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe	88

C:\Users\Admin\AppData\Local\Temp\0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe
"C:\Users\Admin\AppData\Local\Temp\0db1026131fbe525b1bfe8d94a76e013281a5d14195df528784b3a6719d8ea85N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- 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:3484
- 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:3976

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 159KB
SHA256 a02a6b9a7d22f46eb42ad2c0d18df257f29ca24ad26058e7f12addaf44ad0ad4
MD5 629952881d91234b5ebb3b3a780fd8f9
SHA1 fcdc06382f58372353fd9f045cb7f6aa0100def9
SHA512 6ffa7c01cd1b3f7eab560a838f4b9063d469ad90303afc010a6001bc983c77a94b43ddc4e2f1559f23e050be6d9ecd49fc11888c9be83351d2818fb5618cba9d
SSDEEP 3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yk:yOzRWu27dlOd5/Yk
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5
MD5 ac5e84ed8031d66a9fcd5e472ba8091b
SHA1 06303add604104d6abbb69458f89773c066b470c
SHA512 7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 340B
SHA256 4a53c8eadfbed7dd4c5caafa52c9b4fa6dcbe86cd3144649d2e7cebadf8b3939
MD5 809642777c7cdfbb0dd067abefc87083
SHA1 0f6cf2cbc0d15360a5db30d362c124f255e53e6f
SHA512 95ddbded3f32c4a7f8e97f9a3c65425e30b4c056ef1ff97825f5b634b3a7c47d50aa53e1a63fcdcf3e8c3cbacced4fd1862537202faeb7db1fb8e86901a94335
MD5 SHA1 SHA512

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memory/1396-0-0x0000000000B10000-0x0000000000B3B000-memory.dmp

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memory/1396-17-0x0000000000B10000-0x0000000000B3B000-memory.dmp

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memory/3484-15-0x00000000003E0000-0x000000000040B000-memory.dmp

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memory/3484-20-0x00000000003E0000-0x000000000040B000-memory.dmp

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memory/3484-21-0x00000000003E0000-0x000000000040B000-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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