urelas | 665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c

General

Target

665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe
Size

141KB
MD5

74f1bcc76becad9f01e6a8140f5b6ee0
SHA1

5ce0120845e8e6f94e6ffbd8b82db80eb0275c06
SHA256

665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c
SHA512

c24249f6b253a0bd1ab835fb3e8457b1c80200721abf2dfd5d23e52fc5974a4be3ceaf4acc961e9d30d5136410884700d821d19d4d9d52cef068cb08c368b9f7
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIYU:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4YU

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
2724	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.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	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.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 1048 wrote to memory of 2544	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	29
PID 1048 wrote to memory of 2544	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	29
PID 1048 wrote to memory of 2544	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	29
PID 1048 wrote to memory of 2544	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	29
PID 1048 wrote to memory of 2724	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	30
PID 1048 wrote to memory of 2724	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	30
PID 1048 wrote to memory of 2724	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	30
PID 1048 wrote to memory of 2724	1048	665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe	30

C:\Users\Admin\AppData\Local\Temp\665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe
"C:\Users\Admin\AppData\Local\Temp\665f34aa97227fa85bc9c5660b414cd3f49665978099964b88b01d8a4201cf1c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048
- 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:2544
- 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:2724

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
141KB

MD5
a820af492a11f74aa3d98e9935e68ef0

SHA1
272575bbb047b937683f8db630b26ae4451d936e

SHA256
193675de95a2032feb6adb76f2e169f220a62dcc4eaa9ffbf2b920a374455820

SHA512
905d4c2f7311d7cc23eeaaaf39a6e80f42e8974ccf7678bb44a7668bc4de913f3ff4e701adbd04c5bea6da22d9c626597e2458a7ccfe3d216f4bf70be6d6be3e

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
338B

MD5
2bbe62979b2dbd642d02f32d9d3f0976

SHA1
2538024955e12a46c659dac1d3a25dfbc0e01f97

SHA256
ae5272160278bb65383070a55e3d96530843e4ae246b7aa9e93de314214059be

SHA512
3df6cca484a93446b5cffe967b63d18e9edadd4eddb999ce655d6f7e8d85356e9de541c8bf51384af60b27891409bbe983a5e2de5f1a2bca52a58cfc6d1a862f

Download Submit
memory/1048-0-0x00000000011E0000-0x0000000001207000-memory.dmp

Filesize
156KB

Download
memory/1048-9-0x0000000000540000-0x0000000000567000-memory.dmp

Filesize
156KB

Download
memory/1048-18-0x00000000011E0000-0x0000000001207000-memory.dmp

Filesize
156KB

Download
memory/2544-10-0x0000000000BC0000-0x0000000000BE7000-memory.dmp

Filesize
156KB

Download
memory/2544-21-0x0000000000BC0000-0x0000000000BE7000-memory.dmp

Filesize
156KB

Download
memory/2544-22-0x0000000000BC0000-0x0000000000BE7000-memory.dmp

Filesize
156KB

Download

Analysis

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