urelas | 3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545

General

Target

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe
Size

59KB
MD5

30acecc195f706b66324e08bf0250ed3
SHA1

f85f0e43593585677145806dbcaf3561b13cb7ed
SHA256

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545
SHA512

e12ce8da2f5b207d1ce85161fc5a59a513462f84f4bcddbf6956f478f3c859e8249938a921a99ab11290b55d8c4e95e68ce627ebabbcf9a061d4299a8830827f
SSDEEP

1536:6W82C0Db1edMckBI1kmJAhTPY6pnouy8W:6n25DbaMySmJAhbvoutW

Score

10^/10

urelas discovery trojan upx

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

2692 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2712 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

pid process

3040 3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

pid	process
2692	cmd.exe

pid	process
2712	biudfw.exe

pid	process
3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/3040-0-0x0000000000A00000-0x0000000000A2C000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\biudfw.exe	upx
behavioral1/memory/2712-16-0x00000000011F0000-0x000000000121C000-memory.dmp	upx
behavioral1/memory/3040-19-0x0000000000A00000-0x0000000000A2C000-memory.dmp	upx
behavioral1/memory/2712-22-0x00000000011F0000-0x000000000121C000-memory.dmp	upx
behavioral1/memory/2712-24-0x00000000011F0000-0x000000000121C000-memory.dmp	upx
behavioral1/memory/2712-31-0x00000000011F0000-0x000000000121C000-memory.dmp	upx

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

Processes:

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.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:

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

description	pid	process	target process
PID 3040 wrote to memory of 2712	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3040 wrote to memory of 2712	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3040 wrote to memory of 2712	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3040 wrote to memory of 2712	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3040 wrote to memory of 2692	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe
PID 3040 wrote to memory of 2692	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe
PID 3040 wrote to memory of 2692	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe
PID 3040 wrote to memory of 2692	3040	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe
"C:\Users\Admin\AppData\Local\Temp\3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- 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:2712
- 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:2692

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\golfinfo.ini

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
338B

MD5
ff7276656020c5bd03f8afe54e1571c2

SHA1
ab89ae0c54d74f62c0ee6e0fd95cd20c8efdcbec

SHA256
28e3bfce5aa8e72716a3beac73d9e1fed42a87e73b0d5f6224f4f781f38afb8d

SHA512
4c9880bb20b0681c8f78f49c7c3948a9782de046d6ae74987f5b9369105e5567729e7d77fef1b7f0aa58875123ef6ae13547dc200426ad427391f81888bb2c43

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

Filesize
59KB

MD5
c2c7a7e8f53d7501b827c147b86a7616

SHA1
00cb1ef45aa786c0810e14c4c7fc43c3359ef513

SHA256
b87293caa515efdbad4499240448942c22de4b45220c2402591f3dc5095d6238

SHA512
67818cc2521ddbb6b8a9f93e925573d0d6cdd8c20a6014af1c73c04fdb23f6d038d7758ac5e5d18987595898e69d18b87c51e4b7ae86b31976e8db51286c9258

Download Submit
memory/2712-16-0x00000000011F0000-0x000000000121C000-memory.dmp

Filesize
176KB

Download
memory/2712-22-0x00000000011F0000-0x000000000121C000-memory.dmp

Filesize
176KB

Download
memory/2712-24-0x00000000011F0000-0x000000000121C000-memory.dmp

Filesize
176KB

Download
memory/2712-31-0x00000000011F0000-0x000000000121C000-memory.dmp

Filesize
176KB

Download
memory/3040-0-0x0000000000A00000-0x0000000000A2C000-memory.dmp

Filesize
176KB

Download
memory/3040-8-0x00000000002D0000-0x00000000002FC000-memory.dmp

Filesize
176KB

Download
memory/3040-19-0x0000000000A00000-0x0000000000A2C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads