urelas | 784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0

Analysis

max time kernel
137s
max time network
154s
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, 02:45

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General

Target

784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe
Size

61KB
MD5

00db57ed96fd2098d9a862cdeb6a6d10
SHA1

7a6cac4a0c84b8b1bc2db6d978b8ecb2f9d10873
SHA256

784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0
SHA512

34d6ac1f5f31c6d27c6a7d2f9731e8c903e87f78681488bb84ad0653b079370e553bddf99ba8abd95919495d753e9c4fb237bdb3aa732ab752d7fa2db753ec36
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPA:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdT

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe

Executes dropped EXE 1 IoCs

pid	Process
4548	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	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.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 1052 wrote to memory of 4548	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	87
PID 1052 wrote to memory of 4548	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	87
PID 1052 wrote to memory of 4548	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	87
PID 1052 wrote to memory of 3344	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	88
PID 1052 wrote to memory of 3344	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	88
PID 1052 wrote to memory of 3344	1052	784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe	88

C:\Users\Admin\AppData\Local\Temp\784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe
"C:\Users\Admin\AppData\Local\Temp\784818a96bcc2823b6460484e4d3e352c54369edf9d8c4b066a04f6b580173c0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052
- 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:4548
- 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
61KB

MD5
25774363ecbd853ffe0eb4c47ed98307

SHA1
c36a9f693c934bfc98d41b549d2153538313824c

SHA256
f4944df858892cca00885bcac3d6e8787285c9f48867b6ace567347e69325dcf

SHA512
0824a678719f47ba4c0a5bb69b9fac68f53a2018df36c4b652152f411d01f907fc94fe3b84bd2da2b65157422e12f828427d807d0494d692b7a40b3899bbec3c

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
340B

MD5
45a59f0569903e12dc89a26469adf588

SHA1
e1c609dfe1cbdac61eb2956549acdf4d2125b09d

SHA256
2bb681dab9b2a8ba2f2bb683fe62bf7e6e0c6ae0ffa5d8fef540a793d02fecfe

SHA512
c0141710a2446c855ae1846b29d08f8d24c9cfb310c2c9f6dd4e8d070834b9db4f1aa3fc2f0e45c020e3308172fe12b7b8f85264cfde309a01a2a18c976b6799

Download Submit
memory/1052-0-0x0000000000AD0000-0x0000000000B05000-memory.dmp

Filesize
212KB

Download
memory/1052-14-0x0000000000AD0000-0x0000000000B05000-memory.dmp

Filesize
212KB

Download
memory/4548-12-0x00000000009F0000-0x0000000000A25000-memory.dmp

Filesize
212KB

Download
memory/4548-17-0x00000000009F0000-0x0000000000A25000-memory.dmp

Filesize
212KB

Download
memory/4548-19-0x00000000009F0000-0x0000000000A25000-memory.dmp

Filesize
212KB

Download
memory/4548-25-0x00000000009F0000-0x0000000000A25000-memory.dmp

Filesize
212KB

Download