urelas | 512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892

General

Target

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe
Size

140KB
MD5

cd314479dfad507b53e41939db3c2da0
SHA1

d536934b9eec4baacb72dac49cf9bb8ab29127a3
SHA256

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892
SHA512

7728722fd804d690941c0dc129a2c940f8c92035d079985b5eedba06d9a2d2c6c95d7b59c055c0e057d6160a43a801c7f0e6c4c8ce38c6f9ea6ddc8a76f29f30
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfI4:P/5kqCxiXEcO3XfGf2tMUf6odgR5A44

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
1192	cmd.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid	Process
2164	biudfw.exe

Loads dropped DLL 1 IoCs

Processes:

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe

pid	Process
2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.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

Processes:

biudfw.execmd.exe512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe

description	pid	Process	procid_target
PID 2376 wrote to memory of 2164	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	29
PID 2376 wrote to memory of 2164	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	29
PID 2376 wrote to memory of 2164	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	29
PID 2376 wrote to memory of 2164	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	29
PID 2376 wrote to memory of 1192	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	30
PID 2376 wrote to memory of 1192	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	30
PID 2376 wrote to memory of 1192	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	30
PID 2376 wrote to memory of 1192	2376	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	30

C:\Users\Admin\AppData\Local\Temp\512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe
"C:\Users\Admin\AppData\Local\Temp\512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- 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:2164
- 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:1192

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\biudfw.exe

Filesize
140KB

MD5
38d23234b68a2bac13f0388ccda43b01

SHA1
e04ef111058baddb0cf2ce493955ebf4f64420e5

SHA256
c5045ae3cdc4126c6bd58f53ae5488d2fd998501a06a3febbdcf905fccad17b3

SHA512
0bd7855f9144a4e127c95d5b32a7e461e4e67f0cc1167f5ef7ad4cd32d65abdc387a71bd5132f7a6cb2703d510fe05338be9e80f98b1c4e81192c2c130e8427d

Download Submit
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
340B

MD5
406d69d196b1c132724ca1576ae4154e

SHA1
a687093a09a7184dc51111828b2ba5e37d7d27dd

SHA256
a7115287e50807adad33a39db73a11e7faf5e62aeda9b6c38c071a852daad3a0

SHA512
16be5940cf964b0c22a0e2ddc9895a3b1cb4ee2abf64defebc41c9c448bc92bc56c1f230d89ae3b82482cea2c1797fe5f5ad7ac0bbd2fd0aca5c96995e13bfd3

Download Submit
memory/2164-16-0x0000000000990000-0x00000000009B7000-memory.dmp

Filesize
156KB

Download
memory/2164-21-0x0000000000990000-0x00000000009B7000-memory.dmp

Filesize
156KB

Download
memory/2164-22-0x0000000000990000-0x00000000009B7000-memory.dmp

Filesize
156KB

Download
memory/2376-0-0x0000000000A10000-0x0000000000A37000-memory.dmp

Filesize
156KB

Download
memory/2376-15-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/2376-18-0x0000000000A10000-0x0000000000A37000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads