urelas | 5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000

General

Target

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
Size

57KB
MD5

93168f2d91504f9a637add80fbdfca20
SHA1

517a9ad20e16525fc51597787058ad7f585b5954
SHA256

5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000
SHA512

b79279717bb4085ed1fcd6b382521db662c982271ae8996983a692eefec93023012ee52e9ecfb623ad7274b7008983e80263246442792d87dedbc6a478fa8b48
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1ls:amZ+luXwy2f9LDhDls

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
1048	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2336	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.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	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.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 2816 wrote to memory of 2336	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	31
PID 2816 wrote to memory of 2336	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	31
PID 2816 wrote to memory of 2336	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	31
PID 2816 wrote to memory of 2336	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	31
PID 2816 wrote to memory of 1048	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	32
PID 2816 wrote to memory of 1048	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	32
PID 2816 wrote to memory of 1048	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	32
PID 2816 wrote to memory of 1048	2816	5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe	32

C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe
"C:\Users\Admin\AppData\Local\Temp\5a9ca35bd38153ec5f69c4970b904aef4ea555aac3abbd821a61f55be8323000N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- 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:2336
- 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:1048

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

Replay Monitor

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Downloads

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
340B

MD5
8baef0e70ac285fca0bffd1d8168fd41

SHA1
c2c71ef760a595d187afa95d53ecff70339b51c5

SHA256
c8f286d3a7aef2594f3e759ce02704aa08c1f55a01429758bbac8f1c8896f56e

SHA512
eeedd33e882b306d6f5cd434901dd6f137df9567c43a922562d5d1306ba8720986fc343f67487a7b0c563147dc6cdfa106989018a5705080f01edd5d808dac78

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

Filesize
57KB

MD5
f36000b9c42e05c04a3a895b51d72723

SHA1
bf54a58abda7ffd43d61fcb5540d29349b39435a

SHA256
7ba3406ca80400a141fadd87f0fa07787e7c91225ffae8fca10a25c836394398

SHA512
ed4e879925487638cb029a66fae0ff1b7b2d059aa028e9a56759e5a030fc6e77e95516c279d459d4084a82f9fda3e9b4b47a9a7d40e5c295fd969babf11bd177

Download Submit
memory/2336-10-0x0000000000B30000-0x0000000000B62000-memory.dmp

Filesize
200KB

Download
memory/2336-21-0x0000000000B30000-0x0000000000B62000-memory.dmp

Filesize
200KB

Download
memory/2336-23-0x0000000000B30000-0x0000000000B62000-memory.dmp

Filesize
200KB

Download
memory/2336-29-0x0000000000B30000-0x0000000000B62000-memory.dmp

Filesize
200KB

Download
memory/2816-0-0x00000000011E0000-0x0000000001212000-memory.dmp

Filesize
200KB

Download
memory/2816-8-0x00000000003E0000-0x0000000000412000-memory.dmp

Filesize
200KB

Download
memory/2816-18-0x00000000011E0000-0x0000000001212000-memory.dmp

Filesize
200KB

Download

Analysis

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