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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe

Executes dropped EXE 1 IoCs

pid	Process
1060	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2208-0-0x0000000000FE0000-0x0000000001011000-memory.dmp	upx
behavioral2/files/0x000a000000023b78-6.dat	upx
behavioral2/memory/1060-15-0x0000000000A30000-0x0000000000A61000-memory.dmp	upx
behavioral2/memory/2208-18-0x0000000000FE0000-0x0000000001011000-memory.dmp	upx
behavioral2/memory/1060-21-0x0000000000A30000-0x0000000000A61000-memory.dmp	upx
behavioral2/memory/1060-23-0x0000000000A30000-0x0000000000A61000-memory.dmp	upx
behavioral2/memory/1060-26-0x0000000000A30000-0x0000000000A61000-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 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 1060	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	82
PID 2208 wrote to memory of 1060	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	82
PID 2208 wrote to memory of 1060	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	82
PID 2208 wrote to memory of 908	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	83
PID 2208 wrote to memory of 908	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	83
PID 2208 wrote to memory of 908	2208	81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe	83

C:\Users\Admin\AppData\Local\Temp\81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe
"C:\Users\Admin\AppData\Local\Temp\81099e4d51edcbcd8e1fa3c5a398a714987ae214010e4c10c2d68d8bde32e3f6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- 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:1060
- 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:908

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

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\huter.exe

Filesize
76KB

MD5
92c01f7970d5985d22bf88e473b5487d

SHA1
c8dffaee0e738c8bcfccc774f5d629aa5a8b530b

SHA256
6acbf101312647f0580e6c8df69169290dae35569e737f3947c83c58465c6427

SHA512
6e4c9a8f716bdc65d0c9ab3cdf105dd5cfe94a6ee10ece69d040af971c467b364693c1ed3284ca73ab4f8855f5bf6584fe0886f3665a7c9ace0e7a9b81d12908

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

Filesize
338B

MD5
ee67473d8084579bf3b443bb31ab5ce6

SHA1
3b0d17a38020859f0b450cda990f704bf1905402

SHA256
17ac60285ca6d058899657c371af7f859cf13b4771a5252acb28355fb8f85180

SHA512
b0f94fc134237e4cdcb4e9c50d2af7765c30c79e2610885c85786dac6383cb372994d31eca07a604588131c693f0ca302962f60eccd2f5764a7d67a2722d7f51

Download Submit
memory/1060-15-0x0000000000A30000-0x0000000000A61000-memory.dmp

Filesize
196KB

Download
memory/1060-21-0x0000000000A30000-0x0000000000A61000-memory.dmp

Filesize
196KB

Download
memory/1060-23-0x0000000000A30000-0x0000000000A61000-memory.dmp

Filesize
196KB

Download
memory/1060-26-0x0000000000A30000-0x0000000000A61000-memory.dmp

Filesize
196KB

Download
memory/2208-0-0x0000000000FE0000-0x0000000001011000-memory.dmp

Filesize
196KB

Download
memory/2208-18-0x0000000000FE0000-0x0000000001011000-memory.dmp

Filesize
196KB

Download

Analysis

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