urelas | c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960c

General

Target

c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
Size

58KB
MD5

3b789e2a298f40b417b9bb351fdfce40
SHA1

17925ce0a373d7d8bacb68641e29bbaa37c7e0ba
SHA256

c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960c
SHA512

c7e2ce2a6d1f46d5a6d5d664bbc583b458ba2f8cb3ea97e5ba193eace50ce8bf266973c795f5ebd692f17f9bf393b194a50a5f3a9aaefaf11d2edbb5034ef29a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1lg:amZ+luXwy2f9LDhDlg

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
1516	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1880	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1880	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	30
PID 1732 wrote to memory of 1880	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	30
PID 1732 wrote to memory of 1880	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	30
PID 1732 wrote to memory of 1880	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	30
PID 1732 wrote to memory of 1516	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	31
PID 1732 wrote to memory of 1516	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	31
PID 1732 wrote to memory of 1516	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	31
PID 1732 wrote to memory of 1516	1732	c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe	31

C:\Users\Admin\AppData\Local\Temp\c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe
"C:\Users\Admin\AppData\Local\Temp\c867bf97cfbe1cd0ed5bd46d2c4dda1e450007b31a126b5aa7ac841be946960cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- 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:1880
- 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:1516

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
58KB

MD5
ad7c0f408d7afaee49fbaa274af19c71

SHA1
3b0765ed8a1b6f48bd6a2f725e87f3e69bfbb8bd

SHA256
513f8f3354668be2b12b725f801eb1c6013b9d15a5cc9c45b09dea2f40d3f862

SHA512
7c2ed572472dfca7cb26c408474cf2c4fd1b60dbd888950cc8e87dc8cf7adacc2ed54d2bb467232ca7b6e88595a07a4f8e96b772cbc94025914f36df9e6ee5a7

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
340B

MD5
d99d5e2ffe305b7d53c6864dc67b5179

SHA1
710643b698f5926fb7c684618b7bb214ec70eb20

SHA256
ff14dd36e435ee8755a9ad3e580b88616aeb11edaa517c10717316aaacca0ff3

SHA512
80a8e00b0a2fd1955e24a3befa717d24d561345a1b11972d9c1c9623026c501b2cdd4062120414e95d730fc30fa9525ed8090a840b24208d1b302352a6efc869

Download Submit
memory/1732-0-0x00000000003D0000-0x0000000000402000-memory.dmp

Filesize
200KB

Download
memory/1732-16-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/1732-19-0x00000000003D0000-0x0000000000402000-memory.dmp

Filesize
200KB

Download
memory/1880-17-0x00000000001C0000-0x00000000001F2000-memory.dmp

Filesize
200KB

Download
memory/1880-22-0x00000000001C0000-0x00000000001F2000-memory.dmp

Filesize
200KB

Download
memory/1880-25-0x00000000001C0000-0x00000000001F2000-memory.dmp

Filesize
200KB

Download
memory/1880-32-0x00000000001C0000-0x00000000001F2000-memory.dmp

Filesize
200KB

Download

Analysis

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