urelas | b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 04:14

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General

Target

b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe
Size

57KB
MD5

6499c25b94de72746749d9d3e41ae441
SHA1

c714663e5fb9c178d35ee9f999a03837d9d20b77
SHA256

b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf
SHA512

4b9c545024c6b8705ec477dec2c4aa56abd4824b0834b5e9f8648ab0353398c2becde5bf43739cf8552afac82e3d538ccac82bf657ead399285f5703f270dd7e
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1At:amZ+luXwy2f9LDhDAt

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe

Executes dropped EXE 1 IoCs

pid	Process
3876	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 3876	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	87
PID 3956 wrote to memory of 3876	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	87
PID 3956 wrote to memory of 3876	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	87
PID 3956 wrote to memory of 2328	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	88
PID 3956 wrote to memory of 2328	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	88
PID 3956 wrote to memory of 2328	3956	b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe	88

C:\Users\Admin\AppData\Local\Temp\b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe
"C:\Users\Admin\AppData\Local\Temp\b0e6d36f46657479f1d960d4d3216d47fae4ec767f1360182200cc09d87e26cf.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3956
- 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:3876
- 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:2328

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
57KB

MD5
03af5cee134fbeff60a9e80eca93121e

SHA1
613ae76efe4c85966a68234117f64204bf71a68c

SHA256
00ddd9481e23fad25968af8cd0a6e2ff4fa0c8490104df424f5cd7e65f27076b

SHA512
4cb70a3ad46d001545a1515dadf6b7cc6221cfde8d9ae62d96ee1b0c07dc9d1deb6fe6bfdb8bf4d010a71cbab252bfb0eae0eb625e3940d8dcd74f49993da5f6

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
338B

MD5
17297bad330f17eeb00185a0f05b4940

SHA1
a5dbe0a8dc293449c49cc16ca44783541510609a

SHA256
bf4e2c3dff822d2b914b99ca67153a0354ece41329fd9ad8229d644af7e4717b

SHA512
6b77af2075162b9b1fa9598778fec8b63bcb0935a931ad880b35198adb6c13cbbf39c2a2518e1e5c136e3af0e48b976758be3402cc7f806fe44fba6a16ca90df

Download Submit
memory/3876-15-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/3876-21-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/3876-23-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/3876-29-0x0000000000F80000-0x0000000000FB2000-memory.dmp

Filesize
200KB

Download
memory/3956-0-0x0000000000B10000-0x0000000000B42000-memory.dmp

Filesize
200KB

Download
memory/3956-18-0x0000000000B10000-0x0000000000B42000-memory.dmp

Filesize
200KB

Download