urelas | dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68

General

Target

dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe
Size

66KB
MD5

fd542f27e63cefa1e19c82af964d29f8
SHA1

bf4db0dfd51e3ba49406d5b08da935bbf701a457
SHA256

dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68
SHA512

5270df660ff01f6421b2ca7d7ffecef687bc0f4e2c32f65864002f565e44a178fd6cab3bb13b0d16382764d1d51322aea4d36e662dfd3cbc5236399b77f1c7a3
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0l:6bQRSHpAvzyf7MzeThD0l

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2600 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2084 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe

pid process

2240 dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2600	cmd.exe

pid	process
2084	biudfw.exe

pid	process
2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe

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

Processes:

dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.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 8 IoCs

Processes:

dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe

description	pid	process	target process
PID 2240 wrote to memory of 2084	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	biudfw.exe
PID 2240 wrote to memory of 2084	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	biudfw.exe
PID 2240 wrote to memory of 2084	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	biudfw.exe
PID 2240 wrote to memory of 2084	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	biudfw.exe
PID 2240 wrote to memory of 2600	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	cmd.exe
PID 2240 wrote to memory of 2600	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	cmd.exe
PID 2240 wrote to memory of 2600	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	cmd.exe
PID 2240 wrote to memory of 2600	2240	dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe
"C:\Users\Admin\AppData\Local\Temp\dd9d798378ebf628908c73cfc8294f7c6442fdb9fcf95e19fd0cc155668d9d68.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- 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:2084
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
512B

MD5
efd90b3ac908d5482af367de3a82184a

SHA1
de9f01d2ed0247b7b347e55c5a09721a60147fb9

SHA256
44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

SHA512
6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

Filesize
338B

MD5
6530ae2f9fc734987c714c2715ee4fbd

SHA1
c634d81a5217641cf500d57c60425f3634344ff8

SHA256
eebb381b3d4baa3c58341dcc55af8b8d88a315f6bbb29040f4e00f8365a42761

SHA512
f19acdea465a59501e44b8e690e8022a06230191a21f52126f1271307617875e322f740259c726c05a93f73553722ca32b85ad8fcfff790c8bc57f0cae6e9974

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
66KB

MD5
958287b00cb31cac71ffba9bc84c9b7a

SHA1
3a872ff2dff7a8d4425f7007c24bd3c5ad3374b3

SHA256
5b92ef64f0b941807be80defce884d49e2d0dd7f6386b964f2298882370bf06b

SHA512
90cc646a91330ea4d567f2a99846149dab847e3d41452b6bda658978438d3e2ee971b91cf7130e5b8dec125879e45cbd7921bfa90f5c35ef4e134937e6afee5f

Download Submit
memory/2084-16-0x0000000000250000-0x0000000000275000-memory.dmp

Filesize
148KB

Download
memory/2084-22-0x0000000000250000-0x0000000000275000-memory.dmp

Filesize
148KB

Download
memory/2084-24-0x0000000000250000-0x0000000000275000-memory.dmp

Filesize
148KB

Download
memory/2084-31-0x0000000000250000-0x0000000000275000-memory.dmp

Filesize
148KB

Download
memory/2240-0-0x0000000000DC0000-0x0000000000DE5000-memory.dmp

Filesize
148KB

Download
memory/2240-19-0x0000000000DC0000-0x0000000000DE5000-memory.dmp

Filesize
148KB

Download
memory/2240-7-0x00000000005A0000-0x00000000005C5000-memory.dmp

Filesize
148KB

Download

Analysis

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