urelas | 4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c

General

Target

4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe
Size

57KB
MD5

200a6c6846002ae2b9291e41fa9f8c17
SHA1

711392307d01fc3c71579a74b06f07cf6d67a3b3
SHA256

4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c
SHA512

ff85709b9e0d76f429286cbee238f8c3614756f90c63fc14f8e24dc0b83033b70aba974b9ec544331f3fa094f0f1ea24ccd4a071940e623a5be7ff5d89477801
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl15:amZ+luXwy2f9LDhD5

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
2528	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1544	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.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	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.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 2568 wrote to memory of 1544	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	30
PID 2568 wrote to memory of 1544	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	30
PID 2568 wrote to memory of 1544	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	30
PID 2568 wrote to memory of 1544	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	30
PID 2568 wrote to memory of 2528	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	31
PID 2568 wrote to memory of 2528	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	31
PID 2568 wrote to memory of 2528	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	31
PID 2568 wrote to memory of 2528	2568	4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe	31

C:\Users\Admin\AppData\Local\Temp\4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe
"C:\Users\Admin\AppData\Local\Temp\4a9b5551e62974c62d274323b1902155645660d6d0ad6bfd7ba6f604d47b136c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- 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:1544
- 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:2528

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\biudfw.exe

Filesize
57KB

MD5
1ba8304bcd2c44b0b34358332a1cb665

SHA1
0439addefd45b29fac50fa8e1a17061251c05309

SHA256
1fdfd975740d5f903e1d36e4487c1b3ea0c02700d0c11f7cc3f4eca48a8a99a6

SHA512
31bc8f413fa06112b26aa685d89ee9a82d2e505bdda92421d786e90a1324251c17cc3c23ef524c0d1c8239e8150e5da7d01d32ec4ddd0c878ae7e5e21fe1176b

Download Submit
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
338B

MD5
4465c00a26c2cb9529aa52dd6e6e0b43

SHA1
7f8a7e9572fa17fe499e38ffc665335cb2d2c05c

SHA256
f1f4c579677ee843eb0bf07b42170b41e80432ff0f09d6cbea07abc261aea4ad

SHA512
f52cbbbea43180ba74425ed41429adfb53b736b967c4d1760e50d939564c1e622a2fc012a44ac26fb2d1ff8f96a4087d9e1e2dcc4a8c66354995b5e31255e13f

Download Submit
memory/1544-19-0x0000000000100000-0x0000000000132000-memory.dmp

Filesize
200KB

Download
memory/1544-22-0x0000000000100000-0x0000000000132000-memory.dmp

Filesize
200KB

Download
memory/1544-25-0x0000000000100000-0x0000000000132000-memory.dmp

Filesize
200KB

Download
memory/1544-31-0x0000000000100000-0x0000000000132000-memory.dmp

Filesize
200KB

Download
memory/2568-0-0x00000000010D0000-0x0000000001102000-memory.dmp

Filesize
200KB

Download
memory/2568-16-0x00000000005F0000-0x0000000000622000-memory.dmp

Filesize
200KB

Download
memory/2568-18-0x00000000010D0000-0x0000000001102000-memory.dmp

Filesize
200KB

Download

Analysis

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