urelas | 1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7d

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2024, 02:09

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General

Target

1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe
Size

52KB
MD5

eb71479977873ddd18b7b92c961f5c90
SHA1

3beb9a164c32065d3c41572cfc7b0e0b7c8dccdc
SHA256

1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7d
SHA512

64fd33316114e8d3d1f74b7573b860f752659ae107b01ded4e2722927cd855824b64ba09f5ea284d4007ebc32f2c3afcf4aa7656a77d197b73f8df03989fc84d
SSDEEP

1536:vMcQYte55zs091Zw9FAGDdJYipvwGf9ogjrg1:vMhAe5Zs091KI+JYixw49XjrE

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
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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe

Executes dropped EXE 1 IoCs

pid	Process
1312	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	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.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 4764 wrote to memory of 1312	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	84
PID 4764 wrote to memory of 1312	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	84
PID 4764 wrote to memory of 1312	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	84
PID 4764 wrote to memory of 212	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	85
PID 4764 wrote to memory of 212	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	85
PID 4764 wrote to memory of 212	4764	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	85

C:\Users\Admin\AppData\Local\Temp\1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe
"C:\Users\Admin\AppData\Local\Temp\1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4764
- 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:1312
- 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:212

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

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
52KB

MD5
5da77a40e3e0897d7a6f018e9f5caa1d

SHA1
521266b36dde74467dce2156b86e265fd124afef

SHA256
7a8cba4b3394d35fd5fc53cafae1342e876c8fb45830b71482cb11fe21227fac

SHA512
173f2f6fffa3ee24b40c23ab6d4488d79cfeaabd418a3175a9eb20604976eddc1f444e324310ca21b2f18ca998c14de98f94e03b5bb9dc4d4b9ee64b31d2887c

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

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
340B

MD5
3a261c304ad728005c2a56c0e6ea04a0

SHA1
6a4bf525414afe8d6557429cd023f9ab47ac32ce

SHA256
9afcbec815edd595982554aa66d10d106546335bf9b5553db39415bd6f8485b9

SHA512
a71aad635e5b2579373781be5f9396836495c17620173dd230a742b3211ad8ded422f4066f9f7385a15c19854f66b5bcc8c2cc6dc55835092760e8e808abc5ec

Download Submit
memory/1312-10-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/1312-18-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/1312-20-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/1312-26-0x0000000000120000-0x0000000000146000-memory.dmp

Filesize
152KB

Download
memory/4764-0-0x0000000000A40000-0x0000000000A66000-memory.dmp

Filesize
152KB

Download
memory/4764-15-0x0000000000A40000-0x0000000000A66000-memory.dmp

Filesize
152KB

Download