urelas | 81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6

General

Target

81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe
Size

76KB
MD5

30e0c5360dacb25116307c083f78b537
SHA1

fe61af4b6a90c0825f4d3b57e088b1419500b1a5
SHA256

81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6
SHA512

42fb45e76764169563eac3170e24c5643cf64904ab7cb158e6366478ed5637561bfd04c2a1dae1fe3906a21cba1644554414d5c14341622bc554b8c7ee4929de
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEs:9RkjWjK9ABpGzlaRQLT

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

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
2788	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000060000-0x0000000000091000-memory.dmp	upx
behavioral1/files/0x0009000000015d2a-4.dat	upx
behavioral1/memory/3068-10-0x0000000000200000-0x0000000000231000-memory.dmp	upx
behavioral1/memory/2520-19-0x0000000000060000-0x0000000000091000-memory.dmp	upx
behavioral1/memory/3068-22-0x0000000000200000-0x0000000000231000-memory.dmp	upx
behavioral1/memory/3068-24-0x0000000000200000-0x0000000000231000-memory.dmp	upx
behavioral1/memory/3068-27-0x0000000000200000-0x0000000000231000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 3068	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	30
PID 2520 wrote to memory of 2788	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	31
PID 2520 wrote to memory of 2788	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	31
PID 2520 wrote to memory of 2788	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	31
PID 2520 wrote to memory of 2788	2520	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	31

C:\Users\Admin\AppData\Local\Temp\81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe
"C:\Users\Admin\AppData\Local\Temp\81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\huter.exe
  "C:\Users\Admin\AppData\Local\Temp\huter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3068
- 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:2788

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
55d2fdd1432483e3ba86ebeccfe130b6

SHA1
7280b14d708800fd15303b2caa8628a0fbd7aa08

SHA256
5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb

SHA512
36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3

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

Filesize
338B

MD5
ee67473d8084579bf3b443bb31ab5ce6

SHA1
3b0d17a38020859f0b450cda990f704bf1905402

SHA256
17ac60285ca6d058899657c371af7f859cf13b4771a5252acb28355fb8f85180

SHA512
b0f94fc134237e4cdcb4e9c50d2af7765c30c79e2610885c85786dac6383cb372994d31eca07a604588131c693f0ca302962f60eccd2f5764a7d67a2722d7f51

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

Filesize
76KB

MD5
0d4a31f83fbe2fcd154221f551d4ff77

SHA1
1d3c3fc6977f89e1ba86781126485fda220961ef

SHA256
0f1df57daaf7f3292a15df8b3e822bc87cc55ccadfe7802fb8cb8cf1f66100b4

SHA512
2c46167a784a6ade16dee7e0ace9df06de41c79f362079ff339a020641eff4d115870e203c9b3d1870ae271e5675309962cbcea4139460b5fdf039fc80775734

Download Submit
memory/2520-0-0x0000000000060000-0x0000000000091000-memory.dmp

Filesize
196KB

Download
memory/2520-9-0x0000000001D90000-0x0000000001DC1000-memory.dmp

Filesize
196KB

Download
memory/2520-19-0x0000000000060000-0x0000000000091000-memory.dmp

Filesize
196KB

Download
memory/3068-10-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download
memory/3068-22-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download
memory/3068-24-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download
memory/3068-27-0x0000000000200000-0x0000000000231000-memory.dmp

Filesize
196KB

Download

Analysis

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