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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

3996 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3996	biudfw.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:

81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exebiudfw.execmd.exe

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 6 IoCs

Processes:

81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe

description	pid	process	target process
PID 2320 wrote to memory of 3996	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	biudfw.exe
PID 2320 wrote to memory of 3996	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	biudfw.exe
PID 2320 wrote to memory of 3996	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	biudfw.exe
PID 2320 wrote to memory of 3576	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	cmd.exe
PID 2320 wrote to memory of 3576	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	cmd.exe
PID 2320 wrote to memory of 3576	2320	81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe
"C:\Users\Admin\AppData\Local\Temp\81faf47e279217ddb4f9ef8f147697c7fb80a1f36464b801c774d34dcb99a11dN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- 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:3996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\biudfw.exe

Filesize
274KB

MD5
d472bbaf855ae536af11ed698be03a58

SHA1
eb6fb58b10282882b66e8c4cea5eff5781d96ad8

SHA256
bb57cc07395759a6f8658df718ec7e020ed3b72911cbf1fc71e375321bb61758

SHA512
42742a41f5886d6e284698a4cfabf630cc7ac1c23c5a96b0961816627ed6badb25b50e33b672349f4ee0891176babae9b43a6c941f109006578dc90e6f07739a

Download Submit
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
memory/2320-0-0x0000000000AD0000-0x0000000000B16000-memory.dmp

Filesize
280KB

Download
memory/2320-17-0x0000000000AD0000-0x0000000000B16000-memory.dmp

Filesize
280KB

Download
memory/3996-13-0x00000000003B0000-0x00000000003F6000-memory.dmp

Filesize
280KB

Download
memory/3996-20-0x00000000003B0000-0x00000000003F6000-memory.dmp

Filesize
280KB

Download
memory/3996-21-0x00000000003B0000-0x00000000003F6000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads