urelas | df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2024, 13:42

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General

Target

df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
Size

67KB
MD5

20fa9fe9bd77569db6756eb0666c7460
SHA1

5324425f6f6ec6d93b7660a1499f2d1085aa0129
SHA256

df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1
SHA512

58d86059a581e69815b4fa63b67c7ce5b1a15e02039071539abbd4b02d60255d8ac1874e294a18565190cfb4bd50eaf19b4aefedb47dd1e28d910601845bf322
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarec:yLAYUzmdD0sMQl7d7IuhCaic

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe

Executes dropped EXE 1 IoCs

pid	Process
5084	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	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.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 936 wrote to memory of 5084	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	87
PID 936 wrote to memory of 5084	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	87
PID 936 wrote to memory of 5084	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	87
PID 936 wrote to memory of 376	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	88
PID 936 wrote to memory of 376	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	88
PID 936 wrote to memory of 376	936	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	88

C:\Users\Admin\AppData\Local\Temp\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
"C:\Users\Admin\AppData\Local\Temp\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936
- 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:5084
- 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:376

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
67KB

MD5
aa9866ac7a2105bd762f263a1b337186

SHA1
e224fc2860c26e2fc111735d2858124d4b2e8f87

SHA256
edec23c57a47bf5159041df01c24c841f0f490b2957c0a91bd741373d9649af3

SHA512
87d5a0200d115f5626c48b1b9279da43c4c976be6fc6e7c3ed8fbcf8be9b74a3f930eb365633bcb37535109bfbe5c8ec9495b432d89a9a529893a7de8f7495e1

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

Filesize
512B

MD5
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
338B

MD5
2de2a6507b8c279b053fcf5fd2c42989

SHA1
422b4b0e2f2235468290e4046e6e535d3d94a1eb

SHA256
e3ce7eb08743adade301e52c731aa299a69c575a919d97c6972ec25e421aefa0

SHA512
f55f1ce902fac21a9eec3c41a7ea4f7ee42e51aaebb33c3441593c1b58d67ac3a8c0190bc144f3731e1ad06c394da20f6eea7e80b8bcaf57ac1ad524c235a78a

Download Submit
memory/936-0-0x0000000000D90000-0x0000000000DB7000-memory.dmp

Filesize
156KB

Download
memory/936-18-0x0000000000D90000-0x0000000000DB7000-memory.dmp

Filesize
156KB

Download
memory/5084-13-0x00000000008A0000-0x00000000008C7000-memory.dmp

Filesize
156KB

Download
memory/5084-21-0x00000000008A0000-0x00000000008C7000-memory.dmp

Filesize
156KB

Download
memory/5084-23-0x00000000008A0000-0x00000000008C7000-memory.dmp

Filesize
156KB

Download
memory/5084-29-0x00000000008A0000-0x00000000008C7000-memory.dmp

Filesize
156KB

Download