urelas | 81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11d

General

Target

81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe
Size

274KB
MD5

a153677f0478feae8acc9e7d88da37b0
SHA1

491ec8d033805fb58a0879d27521670386ec48fe
SHA256

81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11d
SHA512

a216626d8a7498bcc247aa20647382202c4cf851bb1dc54b19138636006b1762a318e581b46997bb020c21d2f244a10e98ded600ba68598979fa2980f3f22b7b
SSDEEP

3072:pp56zRJ83+OJ7NoGvdwWy6k04yW/KME0jj0wA6c:pOzRWu27dlOd5W0In

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
3064	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.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	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.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 2164 wrote to memory of 2860	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	29
PID 2164 wrote to memory of 2860	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	29
PID 2164 wrote to memory of 2860	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	29
PID 2164 wrote to memory of 2860	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	29
PID 2164 wrote to memory of 3064	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	30
PID 2164 wrote to memory of 3064	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	30
PID 2164 wrote to memory of 3064	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	30
PID 2164 wrote to memory of 3064	2164	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	30

C:\Users\Admin\AppData\Local\Temp\81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe
"C:\Users\Admin\AppData\Local\Temp\81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2164
- 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:2860
- 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:3064

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
ac5e84ed8031d66a9fcd5e472ba8091b

SHA1
06303add604104d6abbb69458f89773c066b470c

SHA256
3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

SHA512
7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

Filesize
340B

MD5
43d1b2c5a36d8ab6063058c749b837df

SHA1
2856eea25d91ecda5549a625025e4ce583d7e12e

SHA256
43054ccd9b5cbfd01ac09ac24af0bbc9977068ee730bed59b23124f55688af96

SHA512
2d3231ac35476673f242b8368f36c6e4b280684e73c0419dd37114e5999c46f2f433f914005e4390ce69ccf225789eac24fe154d48bef5d606b3f4fecabe4735

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

Filesize
274KB

MD5
aea407106c5b2691e92ce666b4a6b235

SHA1
e77d801e7d4cc966c158037aed66b5fdacc31fa5

SHA256
6bf777b357ef917c6e15b28e0c42fa576cce3da38199999ceb996692a0dfe2f5

SHA512
36625352632f72a41e1d633dcbb4a1463bbff8c7304cf5ffe6c72ab91afb5933d925aca8f236de10228ccff4b3522f943f09bd8299d3d4570594643da52e6ccb

Download Submit
memory/2164-0-0x0000000000E30000-0x0000000000E76000-memory.dmp

Filesize
280KB

Download
memory/2164-6-0x0000000000B80000-0x0000000000BC6000-memory.dmp

Filesize
280KB

Download
memory/2164-17-0x0000000000E30000-0x0000000000E76000-memory.dmp

Filesize
280KB

Download
memory/2860-20-0x0000000000950000-0x0000000000996000-memory.dmp

Filesize
280KB

Download
memory/2860-21-0x0000000000950000-0x0000000000996000-memory.dmp

Filesize
280KB

Download

Analysis

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