urelas | a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 13:21

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General

Target

a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe
Size

141KB
MD5

fecb25b3d5eb1a48e524807cab3ec700
SHA1

412895faca98f025f4841f34f386d73e8cf170b5
SHA256

a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312
SHA512

1ed4522d1c7c0ddd7d37357b86ab2869a588824ad5b3147f4679683e86d4ad0f7ae6ab1e73a253e2eb70594ec0e097ad4d85f5bf71a69b89e4671ddc2937ed81
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIYs:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4Ys

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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	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	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.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 2900 wrote to memory of 2720	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	93
PID 2900 wrote to memory of 2720	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	93
PID 2900 wrote to memory of 2720	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	93
PID 2900 wrote to memory of 3956	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	94
PID 2900 wrote to memory of 3956	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	94
PID 2900 wrote to memory of 3956	2900	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	94

C:\Users\Admin\AppData\Local\Temp\a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe
"C:\Users\Admin\AppData\Local\Temp\a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2720
- 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:3956

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
141KB

MD5
561d78335ff242df71f84df4b392b537

SHA1
60e7e8fcdafd41961b6cd77f226f1dd8cd8c6a05

SHA256
b53dd6032bb9871e347d8a99d20041c0a613aaa9a20e65b354e03078f3e40107

SHA512
0fc9156082ce5f228f354b2f70deb06aac5a58219a4e622e917b5b866d0b267130f5af5623d8bb480c7b32cbd22a92a9f0a1ec7154acd0228addca80537ede52

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

Filesize
512B

MD5
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
340B

MD5
7deffd8d0ebafce17a2ae0f361319fb8

SHA1
4fecab27f8edce650e396aebdc7f73be5a7d2c38

SHA256
917912ff4c712a334cfd568bdda422a9b734784b9ee1f9ff8aa35759f49b8f81

SHA512
94ea8802cfd119c4fbdc62d49d87df195bda5308417a6451b7a25ec4105f493dd54e0ea5a16a37e5c0a761f7fa2f7c89e541706c30f9ef16590f4e906770bcda

Download Submit
memory/2720-14-0x00000000004C0000-0x00000000004E7000-memory.dmp

Filesize
156KB

Download
memory/2720-20-0x00000000004C0000-0x00000000004E7000-memory.dmp

Filesize
156KB

Download
memory/2720-21-0x00000000004C0000-0x00000000004E7000-memory.dmp

Filesize
156KB

Download
memory/2900-0-0x0000000000B40000-0x0000000000B67000-memory.dmp

Filesize
156KB

Download
memory/2900-17-0x0000000000B40000-0x0000000000B67000-memory.dmp

Filesize
156KB

Download