urelas | 1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7d

General

Target

1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe
Size

52KB
MD5

eb71479977873ddd18b7b92c961f5c90
SHA1

3beb9a164c32065d3c41572cfc7b0e0b7c8dccdc
SHA256

1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7d
SHA512

64fd33316114e8d3d1f74b7573b860f752659ae107b01ded4e2722927cd855824b64ba09f5ea284d4007ebc32f2c3afcf4aa7656a77d197b73f8df03989fc84d
SSDEEP

1536:vMcQYte55zs091Zw9FAGDdJYipvwGf9ogjrg1:vMhAe5Zs091KI+JYixw49XjrE

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
2928	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.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	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.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 1388 wrote to memory of 2788	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	31
PID 1388 wrote to memory of 2788	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	31
PID 1388 wrote to memory of 2788	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	31
PID 1388 wrote to memory of 2788	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	31
PID 1388 wrote to memory of 2928	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	32
PID 1388 wrote to memory of 2928	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	32
PID 1388 wrote to memory of 2928	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	32
PID 1388 wrote to memory of 2928	1388	1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe	32

C:\Users\Admin\AppData\Local\Temp\1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe
"C:\Users\Admin\AppData\Local\Temp\1f4ffae1d208aa2da2fc5364702a0999f92db988820b695c723fd34fb514df7dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388
- 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:2788
- 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:2928

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
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
340B

MD5
3a261c304ad728005c2a56c0e6ea04a0

SHA1
6a4bf525414afe8d6557429cd023f9ab47ac32ce

SHA256
9afcbec815edd595982554aa66d10d106546335bf9b5553db39415bd6f8485b9

SHA512
a71aad635e5b2579373781be5f9396836495c17620173dd230a742b3211ad8ded422f4066f9f7385a15c19854f66b5bcc8c2cc6dc55835092760e8e808abc5ec

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

Filesize
52KB

MD5
2c5810f8d70faf1a7a82d9e1b3accb2f

SHA1
6d52b5fb324623d66bcee1b14b2efd7900bbb51a

SHA256
1aa02f23be30aee41ac9763bfe421ec443295566a8991519fe2b58dc4fdd1912

SHA512
e839465ffe0e12b339e8a710bf31ae65cd62fa1570d7291a32f270531c29bd753f4c99f34604b412e4043be9f53b7bcc903954fa63a851373c49b80355bcc3a0

Download Submit
memory/1388-0-0x00000000013A0000-0x00000000013C6000-memory.dmp

Filesize
152KB

Download
memory/1388-6-0x0000000000390000-0x00000000003B6000-memory.dmp

Filesize
152KB

Download
memory/1388-19-0x00000000013A0000-0x00000000013C6000-memory.dmp

Filesize
152KB

Download
memory/2788-10-0x0000000001140000-0x0000000001166000-memory.dmp

Filesize
152KB

Download
memory/2788-22-0x0000000001140000-0x0000000001166000-memory.dmp

Filesize
152KB

Download
memory/2788-24-0x0000000001140000-0x0000000001166000-memory.dmp

Filesize
152KB

Download
memory/2788-31-0x0000000001140000-0x0000000001166000-memory.dmp

Filesize
152KB

Download

Analysis

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