urelas | 31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 21:00

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General

Target

31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe
Size

62KB
MD5

7418f5d7e50d9b410c0ac7baec9a894b
SHA1

bdca1455fbca27f4dd183d761ff63c3023f55c67
SHA256

31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d
SHA512

bc370d63876c37c1295542d49bb697977a30137dde340e4b748d75f72a3c2d921e9d7ac89311fffb0e203b214f4739e524d638bbe9f65bc4bd1d299c2749bbd4
SSDEEP

1536:saTkcl2v/z0thjkh6+uYLo31d0JuPrROVT:Jo0cAthu6+FQ0JuPkT

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.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 1932 wrote to memory of 4572	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	87
PID 1932 wrote to memory of 4572	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	87
PID 1932 wrote to memory of 4572	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	87
PID 1932 wrote to memory of 3344	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	88
PID 1932 wrote to memory of 3344	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	88
PID 1932 wrote to memory of 3344	1932	31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe	88

C:\Users\Admin\AppData\Local\Temp\31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe
"C:\Users\Admin\AppData\Local\Temp\31f07747ce71885358dd49f3416aca8290a6684ba699a8ad97448819ce3c467d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1932
- 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:4572
- 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:3344

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
62KB

MD5
88ac79881eae33a186509de08fb0d629

SHA1
aa912af42928e11a32c886e43cc4c21f37c7caeb

SHA256
b9da5fe84b3f0e786b851b9e1b2ae16b20b13815c4338185153e9d91a462e40d

SHA512
572aea8fffc65f69a0cd4cc1417c1edafdacde3407b5c0f09a6b54f5484c360cad9bcf1098879cdb2c75084e45739241fe606f669bcd915f3b993dc5ea359d18

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

Filesize
512B

MD5
657ce9e5dd337971e44dfb9cb3fbf7dd

SHA1
026734083afaa4b7d298781b26a72ac9b67ac831

SHA256
3138d6a5526aaa3cb120adb309f2a27d5fec03c8aa088268a1c7f378dd722472

SHA512
79aab9648bb19ebe5946dd9edd7e11a70ea7b340a1c7539ccff3d3d13de2932bf5ea9077c079208e09bf5d632f00541e52d4926c5c80f86741effb8d86acd26d

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

Filesize
338B

MD5
14da6248c71a3843ac1a2bbb2c4aedc4

SHA1
247cf47afbd92a7ebcf7f6584679af11cdf681db

SHA256
0b11eb7fca80c7f18e3a859fd9f45a6cf0f2d59bc9fb088cb44ee8d1e9505d8c

SHA512
c8d705aa586ab3977a2e873f8be355a74295e5a72214390892fd1870868b266c675fce2e5675877346b7097d7203fdecd8b16efd85c72b057c09be1851e08208

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memory/1932-0-0x0000000000160000-0x0000000000185000-memory.dmp

Filesize
148KB

Download
memory/1932-18-0x0000000000160000-0x0000000000185000-memory.dmp

Filesize
148KB

Download
memory/4572-15-0x0000000000570000-0x0000000000595000-memory.dmp

Filesize
148KB

Download
memory/4572-21-0x0000000000570000-0x0000000000595000-memory.dmp

Filesize
148KB

Download
memory/4572-23-0x0000000000570000-0x0000000000595000-memory.dmp

Filesize
148KB

Download
memory/4572-29-0x0000000000570000-0x0000000000595000-memory.dmp

Filesize
148KB

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