urelas | d91dcc301722692594664654a2aa3feb53c4fbdf0c10cf9f1b6790a59e982298

Analysis

max time kernel
105s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 18:13

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General

Target

55ae6ad49d02908444ba196526e9bfd0N.exe
Size

53KB
MD5

55ae6ad49d02908444ba196526e9bfd0
SHA1

1289f879c187811826c39127e46ac8254bc2f705
SHA256

d91dcc301722692594664654a2aa3feb53c4fbdf0c10cf9f1b6790a59e982298
SHA512

14515c1592a3322febd312003f6bfa097b99ad40781f593274b6369b03f52caca678db49d2f0918bcc36473b3f0e1388c8452b28a8a4a135d20bc8a22fa03c58
SSDEEP

1536:TlnBzGPEdPJpUI4QP4BDK3XmbPfKJ97ifA:JnBGPUMQwBDamb3a7iI

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	55ae6ad49d02908444ba196526e9bfd0N.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	55ae6ad49d02908444ba196526e9bfd0N.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 3980 wrote to memory of 4968	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	89
PID 3980 wrote to memory of 4968	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	89
PID 3980 wrote to memory of 4968	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	89
PID 3980 wrote to memory of 748	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	90
PID 3980 wrote to memory of 748	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	90
PID 3980 wrote to memory of 748	3980	55ae6ad49d02908444ba196526e9bfd0N.exe	90

C:\Users\Admin\AppData\Local\Temp\55ae6ad49d02908444ba196526e9bfd0N.exe
"C:\Users\Admin\AppData\Local\Temp\55ae6ad49d02908444ba196526e9bfd0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3980
- 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:748

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
53KB

MD5
44253b16ac3dc7a69853bf8a66c6f1ce

SHA1
cb0f6618de766bc37833bca036c8a726acd57a79

SHA256
b5e987cf4fcb756c29381fb8e81a987f4e693506f2ff2374fb0608bd0350c101

SHA512
5171b2d41b111ed042842d9f26c6df63b95566700fba8a1e7ece2607fb736d1aa2d2c403ce75e46d13ef89ee5c6f95ead4f1367d98ea8db35396a13ab2fdefab

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

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
276B

MD5
0880417ff4f9404f0041785383084e0d

SHA1
0dfe2d0fc025e5af7ee986e6a3b050ce43fc5a05

SHA256
b18ea1807ec1546cfc0da9fb9db95251bb3cf4c12f2d01bab1e8ab22e4059805

SHA512
f2a794e51ebeb95532059afd1d1607afff7755ab5ef04682a27ceba59ec4c39ab9ced1e6654462ba6cc899776900e4c1320888a0349a67b35d41f270f2e9c0f9

Download Submit
memory/3980-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3980-14-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4968-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4968-17-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4968-19-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/4968-26-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download