urelas | 66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2

General

Target

66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe
Size

60KB
MD5

71d14b003ceebb2f1fc12c81ad3347f0
SHA1

dbf66776e4bd9ababc133802773fb2a30770e673
SHA256

66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2
SHA512

66f1bcc388e734e116776e4ac59879df4cb63fe40415ced19937c56b1acff53788014244e7b21a548c97d9e9f44bcf644ff4fbeac7a724ec2e82071caf2e7e3e
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxP2:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdaa

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

2080 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2284 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe

pid process

2480 66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2080	cmd.exe

pid	process
2284	biudfw.exe

pid	process
2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.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:

66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.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:

66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe

description	pid	process	target process
PID 2480 wrote to memory of 2284	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	biudfw.exe
PID 2480 wrote to memory of 2284	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	biudfw.exe
PID 2480 wrote to memory of 2284	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	biudfw.exe
PID 2480 wrote to memory of 2284	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	biudfw.exe
PID 2480 wrote to memory of 2080	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	cmd.exe
PID 2480 wrote to memory of 2080	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	cmd.exe
PID 2480 wrote to memory of 2080	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	cmd.exe
PID 2480 wrote to memory of 2080	2480	66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe
"C:\Users\Admin\AppData\Local\Temp\66798c123996bfdfcb15eb67af33ae27352325bf55a7215be3d827bf7e8fb9b2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- 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:2284
- 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:2080

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
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
617d4e7a3a9c9acae5f71250a0a4adf5

SHA1
48d4fb6bcae8356bcc460b62ce7f6300215c57a8

SHA256
24ed099bae28648bbe47e725341945d0203dc1ecf7057675ede246e5f2b55f8f

SHA512
be2081624b955f5adc0846c37f99c861c496a4266fbb297d9c95e8ca71a81c1843a682d7f745865ed3973923fc16357b4f1573cb25dc313969086f44bfeb302e

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

Filesize
60KB

MD5
435f003712e4ee2cbd8811b63159056f

SHA1
3c20d485c86a852c1c124f20b5bd8145d62d96f0

SHA256
92bb79cfce1d10180b51390b8c13d5ad03f3679b8f47a434bba9be43ec39cb8d

SHA512
3c9697b03eb608a62918f0e939f08fafa38871f303ccc9d0f304b911023f389ce372555c6086beac183544890f13a8523aa3b270b0326936b9f51db9b95017a9

Download Submit
memory/2284-17-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2284-22-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2284-25-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2284-32-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2480-0-0x00000000001E0000-0x0000000000215000-memory.dmp

Filesize
212KB

Download
memory/2480-19-0x00000000001E0000-0x0000000000215000-memory.dmp

Filesize
212KB

Download
memory/2480-16-0x0000000000570000-0x00000000005A5000-memory.dmp

Filesize
212KB

Download

Analysis

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