urelas | 5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917

General

Target

5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe
Size

70KB
MD5

71b00a8b6535d57246ba6acc484aa270
SHA1

e930668c521c945da540b145657eb269bff0bb72
SHA256

5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917
SHA512

5f2b64eae7715814e51d851c7308dd7984ff21c71b6beedb16532d682d46360bff9c6802562fadeac948fee3839391f3489c1fda070db7393a1f1b71f13773af
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarawC:yLAYUzmdD0sMQl7d7IuhCaej

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

Deletes itself 1 IoCs

pid	Process
2756	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2744	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	30
PID 1992 wrote to memory of 2744	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	30
PID 1992 wrote to memory of 2744	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	30
PID 1992 wrote to memory of 2744	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	30
PID 1992 wrote to memory of 2756	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	31
PID 1992 wrote to memory of 2756	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	31
PID 1992 wrote to memory of 2756	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	31
PID 1992 wrote to memory of 2756	1992	5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe	31

C:\Users\Admin\AppData\Local\Temp\5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe
"C:\Users\Admin\AppData\Local\Temp\5031e4ef6885462edad8ba822d19a49992315d039d2ed2fd708e008c994de917N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- 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:2744
- 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:2756

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

Loading Replay Monitor...

Downloads

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

Filesize
512B

MD5
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
340B

MD5
e0b9ddc305177c904d5d76af684b0751

SHA1
082235f9eeb7eee4a4f10727d7c067a5fd78f673

SHA256
a5f8aa8b33dae7dd114a7dd285cf988ef0f1147e87a28118f28a40cb07188e4b

SHA512
75dbc9b05a7a84a9252f36be20fb5ee693e66bb4a519e43233dbffb5b252d204fd1d1e4c642c03adf2e343b4bfaee4610e32b512633ce4abf7319a2e0cc33e3e

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

Filesize
70KB

MD5
e362d09ba2d1a23a85474c7a0ff0bc0e

SHA1
9f6138cb8481c5ba99657deeb1c46385750004c4

SHA256
6ce286006ca8179d2b6270c6b5c5dd421b452f61fada186dcc7876f8dd0af73f

SHA512
36fd82c971ba3d8567a4672d68390896dbe437c9e16f198c543ec6fb2f210572f4a18d9c3b6185b0fede1f6836ce7020705d2c96aef7b3f17d8ed42446f5cb0b

Download Submit
memory/1992-0-0x0000000000E70000-0x0000000000E97000-memory.dmp

Filesize
156KB

Download
memory/1992-6-0x00000000004F0000-0x0000000000517000-memory.dmp

Filesize
156KB

Download
memory/1992-18-0x0000000000E70000-0x0000000000E97000-memory.dmp

Filesize
156KB

Download
memory/2744-21-0x0000000000C80000-0x0000000000CA7000-memory.dmp

Filesize
156KB

Download
memory/2744-23-0x0000000000C80000-0x0000000000CA7000-memory.dmp

Filesize
156KB

Download
memory/2744-30-0x0000000000C80000-0x0000000000CA7000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing