urelas | 615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009c

General

Target

615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe
Size

71KB
MD5

57be52759311868699102199c2b94800
SHA1

b71e730b4f07da4cf41a3f44cb9617e69b114cca
SHA256

615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009c
SHA512

3a2560e47c0e37ddc3fde64f9873411dc956d0a49544603ef316b3cff5eb47702f819e405baf3011aa404fb808e8e5434a266aa44738bf05a6c9fb6010c0b44e
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCaraw:yLAYUzmdD0sMQl7d7IuhCae

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

Processes:

cmd.exe

pid process

2828 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1016 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe

pid process

2544 615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2828	cmd.exe

pid	process
1016	biudfw.exe

pid	process
2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe

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

Processes:

615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.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

Processes:

615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe

description	pid	process	target process
PID 2544 wrote to memory of 1016	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	biudfw.exe
PID 2544 wrote to memory of 1016	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	biudfw.exe
PID 2544 wrote to memory of 1016	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	biudfw.exe
PID 2544 wrote to memory of 1016	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	biudfw.exe
PID 2544 wrote to memory of 2828	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	cmd.exe
PID 2544 wrote to memory of 2828	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	cmd.exe
PID 2544 wrote to memory of 2828	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	cmd.exe
PID 2544 wrote to memory of 2828	2544	615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe
"C:\Users\Admin\AppData\Local\Temp\615441dbd919e62416c21413f070c62d99581e09d5f82bf233c616df2642009cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- 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:1016
- 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:2828

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
900df2e0a7c87b276cf0e9c0cd704098

SHA1
3e364485f15437163c58817fe5d1aed5c1cd850e

SHA256
1747340c046dc3adec6c17f3e8f66e7a74e85619149e3e989e840d7964bb82a1

SHA512
c9cf4cca18715242a21d975c79b5d97f756cf27dfcc3ecf73e311f673ccd9d649cedf90c7b53f2f58bc156b4a70cd610b8cba01c35d5a9fdc348d2c3a8466cc2

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

Filesize
71KB

MD5
92bd417120dbf55ead6bde246413421a

SHA1
e225b86a24a33f2f6bd1c005d8af1fe3ac97d620

SHA256
11f51395042fc28a088124e6b41e462584e19e5ff539ee5091565c8d73bfc637

SHA512
f7b8796598b79ee25a7c0caa7011eae3f12bff0cc2fd280f9776fb843f51379659e91749954fe4f73bdf71a77d432700070dcc9d5ea0f4fe7693b710626b7ea1

Download Submit
memory/1016-21-0x00000000001C0000-0x00000000001E7000-memory.dmp

Filesize
156KB

Download
memory/1016-23-0x00000000001C0000-0x00000000001E7000-memory.dmp

Filesize
156KB

Download
memory/1016-29-0x00000000001C0000-0x00000000001E7000-memory.dmp

Filesize
156KB

Download
memory/2544-0-0x0000000000170000-0x0000000000197000-memory.dmp

Filesize
156KB

Download
memory/2544-6-0x0000000000780000-0x00000000007A7000-memory.dmp

Filesize
156KB

Download
memory/2544-18-0x0000000000170000-0x0000000000197000-memory.dmp

Filesize
156KB

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Analysis

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