urelas | 55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269b

General

Target

55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe
Size

80KB
MD5

676ab0111fac160545f4a721c50cda50
SHA1

8e8550c8fd776e49c668011275fe553324d66633
SHA256

55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269b
SHA512

d2103e405811321d638e24cfc4c054cd4543538041d282f3a2157635b369845f8f43e2485c940303f78307a10ef05eaaac8768b62ac35edf8dae478359897641
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEC:9RkjWjK9ABpGzlaRQLL

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

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe

Executes dropped EXE 1 IoCs

pid	Process
3040	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4884-0-0x00000000007C0000-0x00000000007F1000-memory.dmp	upx
behavioral2/files/0x0014000000023a43-6.dat	upx
behavioral2/memory/3040-13-0x0000000000DE0000-0x0000000000E11000-memory.dmp	upx
behavioral2/memory/4884-18-0x00000000007C0000-0x00000000007F1000-memory.dmp	upx
behavioral2/memory/3040-21-0x0000000000DE0000-0x0000000000E11000-memory.dmp	upx
behavioral2/memory/3040-23-0x0000000000DE0000-0x0000000000E11000-memory.dmp	upx
behavioral2/memory/3040-25-0x0000000000DE0000-0x0000000000E11000-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	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.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 4884 wrote to memory of 3040	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	89
PID 4884 wrote to memory of 3040	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	89
PID 4884 wrote to memory of 3040	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	89
PID 4884 wrote to memory of 4456	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	90
PID 4884 wrote to memory of 4456	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	90
PID 4884 wrote to memory of 4456	4884	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	90

C:\Users\Admin\AppData\Local\Temp\55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe
"C:\Users\Admin\AppData\Local\Temp\55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884
- 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:3040
- 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:4456

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
80KB

MD5
a38db761661dbc4b546080bfcb7ee1df

SHA1
f3f8302190688c8a81e6c12eccdadbd034f482ae

SHA256
e856c1d5f02ac6b1405e60e31f7e55d311b67b23ac74246fdbcab054a9b06c4b

SHA512
94711e1ee391b25c97e33298043dd32ad1dd0df9747d17e2a21f65bc494322a96673072756800fb91b7a37e5f8d53f1e72a904530910cefc0cdc100cdfe6bad7

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

Filesize
340B

MD5
ab1282bd01be2b0c36c6e1361b6f1287

SHA1
25fd2bd66dea23d8d708943dd77480720ec79148

SHA256
cc339aab0e09dc54f76e8be88f5ec1fdf7593db9df85def2aaa74e063a1d89aa

SHA512
22ba4c6013c7f09ff84ad30a920df2098e62a0a90fbc9b210d51d48a32676057fd066577c6c32fdba4c10510697163a8b536145c587a3a9cc58cd4050884029f

Download Submit
memory/3040-13-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/3040-21-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/3040-23-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/3040-25-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/4884-0-0x00000000007C0000-0x00000000007F1000-memory.dmp

Filesize
196KB

Download
memory/4884-18-0x00000000007C0000-0x00000000007F1000-memory.dmp

Filesize
196KB

Download

Analysis

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