urelas | 267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9

Analysis

max time kernel
100s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2024, 15:04

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General

Target

267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe
Size

57KB
MD5

92777caee4500fd51c45f28309c86400
SHA1

a14bddba1c53a0dc74200fe788f10b4d1f026c38
SHA256

267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9
SHA512

4e1b8dca0f91b04a1ea7825b83a7498134560af15454e3cc46bb14c16ddb613cfa53d5a2ad97acb68961479a0b914b4b0e53e9a939988654c9e3dc2b3c9e1f5a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1LgU:amZ+luXwy2f9LDhDLgU

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	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	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.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 3044 wrote to memory of 3008	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	88
PID 3044 wrote to memory of 3008	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	88
PID 3044 wrote to memory of 3008	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	88
PID 3044 wrote to memory of 3792	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	89
PID 3044 wrote to memory of 3792	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	89
PID 3044 wrote to memory of 3792	3044	267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe	89

C:\Users\Admin\AppData\Local\Temp\267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe
"C:\Users\Admin\AppData\Local\Temp\267efb72ec4589473983bc5aa961422ea6b25a63692451376c9dc78e22c93df9N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- 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:3008
- 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:3792

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
57KB

MD5
0edc1ddf6e834d0835f62b756d643691

SHA1
b38d9a61fb7e04a55227836bb1b76d1fa9768c33

SHA256
70c95a06bc327db1efbb67ca0236dcad92a612799ef12536ef6e6c66b5998d6c

SHA512
51d7f1ce1acee2ce86fa940b175b71712e692ca3837dd4a22b710dcaabb7ca470178313fc8419655273a6c5011c52366f1160339fa4f3af4b755c8ade7d28ae5

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
340B

MD5
83216fa7c3a8fbc7b3d9ee51e34f1f01

SHA1
daaad735ac904d587a2f5a0ad5e1fb5d479429b7

SHA256
86195fc0bec550aa4abb97244154862f8bd3b970e678850305b12d2786b30f1b

SHA512
d11273f59ed60098b2ffae4945cf8766061f4913b0fc15ddf188d53de9f9b74348598fa4dd3e6aaebcf81f2cd3f53c4d61456b25e28ca341f11d8b2bd56d1493

Download Submit
memory/3008-15-0x0000000000720000-0x0000000000752000-memory.dmp

Filesize
200KB

Download
memory/3008-21-0x0000000000720000-0x0000000000752000-memory.dmp

Filesize
200KB

Download
memory/3008-23-0x0000000000720000-0x0000000000752000-memory.dmp

Filesize
200KB

Download
memory/3008-29-0x0000000000720000-0x0000000000752000-memory.dmp

Filesize
200KB

Download
memory/3044-0-0x0000000000FE0000-0x0000000001012000-memory.dmp

Filesize
200KB

Download
memory/3044-18-0x0000000000FE0000-0x0000000001012000-memory.dmp

Filesize
200KB

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