urelas | e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bf

General

Target

e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe
Size

65KB
MD5

bdfc6bfdef7c5435f691359d7eaa0860
SHA1

1a8dc8142fc1b2b7cba8a9502dc1203b2d9b20da
SHA256

e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bf
SHA512

c515bd3a6e375a47f5a23a6d8dd6ccf378420a06797692c7a8eb54f8350c2ebc93ff069afee7b9c59fe67fdcbd13bbdf46d0131472125c09974cf4f30e803a8d
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD07yg:6bQRSHpAvzyf7MzeThD07yg

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

pid	Process
1972	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.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	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.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

description	pid	Process	procid_target
PID 2100 wrote to memory of 2300	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	31
PID 2100 wrote to memory of 2300	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	31
PID 2100 wrote to memory of 2300	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	31
PID 2100 wrote to memory of 2300	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	31
PID 2100 wrote to memory of 1972	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	32
PID 2100 wrote to memory of 1972	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	32
PID 2100 wrote to memory of 1972	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	32
PID 2100 wrote to memory of 1972	2100	e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe	32

C:\Users\Admin\AppData\Local\Temp\e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe
"C:\Users\Admin\AppData\Local\Temp\e40ac6982d1a3acb94f7bcf8fd221465cd799bb3ced7944d328fdf30778b23bfN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- 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:2300
- 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:1972

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
340B

MD5
c5452b4943438b046909c026ce157fdb

SHA1
892528941dcf9b6fb2a8c93d40c05761f45c2f70

SHA256
2a454d7ebcf2e230b42deaa5f3dcd16204335ec17501083afc0d52c965f3a6b2

SHA512
4cab16950dcf5fa90e29c2cc5e201588bffe011816d7dfd930b507eaae86230b0b6a685ab91feda911ff4c8964aa3453011237fe74432fce5dbb4c955f6c3b25

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

Filesize
65KB

MD5
c2880f83ca6514b0fc11b8e3fbf7d6da

SHA1
36443e5053dfcc8d62ec753577482adda76c9cdc

SHA256
6daee7a9d9b5d4b61f760634b2373787a3899ee13fb7a54b31fb64bb33d19a21

SHA512
4171d1fa59d16cf55651d13b63e0c6f2dbefde8f9f9ee104f9f3986b31d6f28d2d6be21f2217e23db1c7eb0c83540e5a826d8bd627f8685539f6a03883c61d5a

Download Submit
memory/2100-0-0x0000000000CF0000-0x0000000000D15000-memory.dmp

Filesize
148KB

Download
memory/2100-6-0x0000000000910000-0x0000000000935000-memory.dmp

Filesize
148KB

Download
memory/2100-19-0x0000000000CF0000-0x0000000000D15000-memory.dmp

Filesize
148KB

Download
memory/2300-10-0x00000000013C0000-0x00000000013E5000-memory.dmp

Filesize
148KB

Download
memory/2300-22-0x00000000013C0000-0x00000000013E5000-memory.dmp

Filesize
148KB

Download
memory/2300-24-0x00000000013C0000-0x00000000013E5000-memory.dmp

Filesize
148KB

Download
memory/2300-31-0x00000000013C0000-0x00000000013E5000-memory.dmp

Filesize
148KB

Download

Analysis

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