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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1100 biudfw.exe

pid	process
1100	biudfw.exe

UPX packed file 7 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3272-0-0x0000000000350000-0x000000000037C000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\biudfw.exe	upx
behavioral2/memory/1100-9-0x0000000000D30000-0x0000000000D5C000-memory.dmp	upx
behavioral2/memory/3272-15-0x0000000000350000-0x000000000037C000-memory.dmp	upx
behavioral2/memory/1100-18-0x0000000000D30000-0x0000000000D5C000-memory.dmp	upx
behavioral2/memory/1100-20-0x0000000000D30000-0x0000000000D5C000-memory.dmp	upx
behavioral2/memory/1100-26-0x0000000000D30000-0x0000000000D5C000-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 6 IoCs

Processes:

3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe

description	pid	process	target process
PID 3272 wrote to memory of 1100	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3272 wrote to memory of 1100	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3272 wrote to memory of 1100	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	biudfw.exe
PID 3272 wrote to memory of 3092	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe
PID 3272 wrote to memory of 3092	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe
PID 3272 wrote to memory of 3092	3272	3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe
"C:\Users\Admin\AppData\Local\Temp\3d931ccac570e0aac303308a9bfcec4c83f6dde2103d0d60fbaa48cbd178e545.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272
- 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:1100
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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
59KB

MD5
e8035954aff4ad432c6b3b82a38ef619

SHA1
3ef626f7dad870d1765e14e9a78a1d06280e8ec0

SHA256
66b2a1dd5136af5379971007385663f736d1a790d762e58766a9a455a93cc2f6

SHA512
a6b5f402256e0099e81be32095072c031fcaef7d4d716b461e0df929e70d8e40719a3d752265c1a5561525ef3a38f1e40528e6407ac7ad06e7926a85f96601ce

Download Submit
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

Download Submit
memory/1100-9-0x0000000000D30000-0x0000000000D5C000-memory.dmp

Filesize
176KB

Download
memory/1100-18-0x0000000000D30000-0x0000000000D5C000-memory.dmp

Filesize
176KB

Download
memory/1100-20-0x0000000000D30000-0x0000000000D5C000-memory.dmp

Filesize
176KB

Download
memory/1100-26-0x0000000000D30000-0x0000000000D5C000-memory.dmp

Filesize
176KB

Download
memory/3272-0-0x0000000000350000-0x000000000037C000-memory.dmp

Filesize
176KB

Download
memory/3272-15-0x0000000000350000-0x000000000037C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads