urelas | 1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2024, 22:29

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General

Target

1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe
Size

60KB
MD5

6e687e80f6636c9324ca1eff6919eb32
SHA1

3b2660a9609a7f36d174a1db481e06749df22ba8
SHA256

1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987
SHA512

89833971c7065c8bba6dfa42d72aff6ea62f93b3294142bf2ee589d43fdbe9f90bb6d2310c78a638dcc92cfde9269597a7f8d9209d8521d511cda33a1019b839
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPP:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd0

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe

Executes dropped EXE 1 IoCs

pid	Process
4968	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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3612 wrote to memory of 4968	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	85
PID 3612 wrote to memory of 4968	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	85
PID 3612 wrote to memory of 4968	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	85
PID 3612 wrote to memory of 324	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	86
PID 3612 wrote to memory of 324	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	86
PID 3612 wrote to memory of 324	3612	1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe	86

C:\Users\Admin\AppData\Local\Temp\1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe
"C:\Users\Admin\AppData\Local\Temp\1dbc8a898f9f874c4c857f3ade55f9c0a9c94352da3a23c76d2e1415d65d6987.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612
- 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:4968
- 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:324

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
60KB

MD5
9ec850cfe2746e62a9f3436fc158aaba

SHA1
7cff0ca976072e08266d2a461cc926c88dbca103

SHA256
5d3f87861d979f8425b2543bb932543b25d03bef8fc289f1a2a62a31086ae1a7

SHA512
b7933f9fd677105b16d15f1de6e9ba642ca1896508a8c87aa9d030e54255b9eb5e660fc7a0153ced575a6d720698b505697011376e78cb8b79ba0a360a804c50

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
338B

MD5
d1eb9234f17648b27c283b317e039b81

SHA1
10a41773f40ba940d858fd2faef7b614c9bf6ab4

SHA256
c9a6e9a0ca60afa0b04d30a67604d4710c484b920773faa5fd4d2d8f13e94343

SHA512
014e1b0a53421be2aa380da9c0493a1f43324e9dc8afd114e2e7296c9f5b6dbd764b8f0e60ccc01f6cb94f74512912c52688a38bbf5e2b864eabea6c9774909c

Download Submit
memory/3612-0-0x0000000000910000-0x0000000000945000-memory.dmp

Filesize
212KB

Download
memory/3612-15-0x0000000000910000-0x0000000000945000-memory.dmp

Filesize
212KB

Download
memory/4968-12-0x0000000000E00000-0x0000000000E35000-memory.dmp

Filesize
212KB

Download
memory/4968-18-0x0000000000E00000-0x0000000000E35000-memory.dmp

Filesize
212KB

Download
memory/4968-20-0x0000000000E00000-0x0000000000E35000-memory.dmp

Filesize
212KB

Download
memory/4968-26-0x0000000000E00000-0x0000000000E35000-memory.dmp

Filesize
212KB

Download