urelas | fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76f

General

Target

fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe
Size

67KB
MD5

b04499472a96b12d4e66266c14d2d630
SHA1

3bca0d0b1f15584723f5dad28ee1dc521261bae2
SHA256

fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76f
SHA512

045fe7b2e30a8da0c1a60b8637381c0234ab5e507aac6ef8ef9cafe48e226b2712fafcb2788a9f9c92de77d1e7ffeece5161fc6674d215365c6fe611f0ddfb8c
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarQ:yLAYUzmdD0sMQl7d7IuhCaU

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
2272	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2544	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.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	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.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 2408 wrote to memory of 2544	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	31
PID 2408 wrote to memory of 2544	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	31
PID 2408 wrote to memory of 2544	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	31
PID 2408 wrote to memory of 2544	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	31
PID 2408 wrote to memory of 2272	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	32
PID 2408 wrote to memory of 2272	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	32
PID 2408 wrote to memory of 2272	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	32
PID 2408 wrote to memory of 2272	2408	fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe	32

C:\Users\Admin\AppData\Local\Temp\fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe
"C:\Users\Admin\AppData\Local\Temp\fc4662a787af50d455e51f72d20b3b0613253af06564f13cd96dfc1c6c63e76fN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- 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:2272

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
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
340B

MD5
00399728dd1dcf77970f7ef00c1d5c07

SHA1
0ff228f9daaa2e3d0cad569bf12145da7cc2e0cf

SHA256
d0e1e6b7ea8f0bdb2de67ebd61f48c5bb86d619571326eb8811803e8b9b4986f

SHA512
104a4e38e6e97668dacba8db323274df8b21ba920cb147edec171f1a7566e9fc7f8c16e22a9122f75e957fc9beaff094c1aa3804c107d1af663350afd07ffa8f

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

Filesize
67KB

MD5
b3875d51b3354d8f20b29a55921bfa4c

SHA1
b36046c745c66d368eab4dcee50a997aa5e40647

SHA256
012737e0d3720827d76920bd7e2db79c87c3b304b4fd15e42cbd16aab70c1b62

SHA512
c4b292d23bc9bb5d7dcc2bbc7fd8e7e8dcaedb83b112fc7dbd278d9459713ab2150cd2ff19bbf3b50c817eb6a4408d965fe2e3c92f9dc6eea5dc312cfb50331a

Download Submit
memory/2408-0-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

Filesize
156KB

Download
memory/2408-9-0x0000000000230000-0x0000000000257000-memory.dmp

Filesize
156KB

Download
memory/2408-19-0x0000000000AB0000-0x0000000000AD7000-memory.dmp

Filesize
156KB

Download
memory/2544-10-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download
memory/2544-22-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download
memory/2544-24-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download
memory/2544-30-0x0000000000A40000-0x0000000000A67000-memory.dmp

Filesize
156KB

Download

Analysis

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