urelas | 9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8

General

Target

9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe
Size

57KB
MD5

9efa52605ac53b7ca2697c1592885300
SHA1

0292c3495e4f9131f170fc4a8f239d33b22b7788
SHA256

9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8
SHA512

740059f1c76b5955b0d2b594104d44228775198dbf26afe70f7715237eb13a87597f99de08b868486a5c6513c391c96315ade523bbeefb506dcb39781abbfdd9
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1C:amZ+luXwy2f9LDhDC

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
3004	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.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	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2724	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	30
PID 2760 wrote to memory of 2724	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	30
PID 2760 wrote to memory of 2724	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	30
PID 2760 wrote to memory of 2724	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	30
PID 2760 wrote to memory of 3004	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	31
PID 2760 wrote to memory of 3004	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	31
PID 2760 wrote to memory of 3004	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	31
PID 2760 wrote to memory of 3004	2760	9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe	31

C:\Users\Admin\AppData\Local\Temp\9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe
"C:\Users\Admin\AppData\Local\Temp\9d823261ae50a05dd8e077ce05fd7b4b7b0ad13bd80d635fff1aa3b84a1cc5f8N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- 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:2724
- 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:3004

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
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
340B

MD5
51f83a280b31a2220086c181f999b959

SHA1
a2b79108557baa4943ae02b50d8686c8050b367b

SHA256
8bf7db39fe7f2a3ea71695530f0cc1cd0c97a10f75400ac9c6ea5f0d3f86537d

SHA512
1204d47b2eaee41051f4bbdefa3baf21e35f9c42deb4ce9f20ea160c32ee7cac06a29b29ec69bb6b7843eb8e3e9a36e1fc399acb1381761d5f934895fb0b4708

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

Filesize
57KB

MD5
e7f6738ba6d1976a7d327a969a12a2ad

SHA1
6849ff511aa3c9402bcc9f90251f68b26b7f406a

SHA256
106c32134d1f3a9f96e78439943bf2aeee21f2ba7636c783f39d61258467cbfa

SHA512
233fb803c5d0d71c1aeb54f411cafb14472aef6df69bcadf66c3cc50403aec85b71daf60e5d11ffccd515daa4b4cb0862b125e82568e2592f3a4da5349528e99

Download Submit
memory/2724-21-0x0000000001210000-0x0000000001242000-memory.dmp

Filesize
200KB

Download
memory/2724-23-0x0000000001210000-0x0000000001242000-memory.dmp

Filesize
200KB

Download
memory/2724-29-0x0000000001210000-0x0000000001242000-memory.dmp

Filesize
200KB

Download
memory/2760-0-0x0000000000360000-0x0000000000392000-memory.dmp

Filesize
200KB

Download
memory/2760-6-0x00000000003A0000-0x00000000003D2000-memory.dmp

Filesize
200KB

Download
memory/2760-18-0x0000000000360000-0x0000000000392000-memory.dmp

Filesize
200KB

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Analysis

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