urelas | 01398fa421530f6859c510d053d634cba58560cd5507754c28e01f257d93acf7

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 22:22

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General

Target
2788f762c605122455086f594d7caf70N.exe
Size 79KB
Sample240908-2abxnayapp
SHA256 01398fa421530f6859c510d053d634cba58560cd5507754c28e01f257d93acf7
MD5 2788f762c605122455086f594d7caf70
SHA1 441e8ae209f2909301742bfcc10ace515116f31e
SHA512 9148259ca84acd053fc72d960cf7b68e972a0503d1a7cfb2dc61a1fc5e4e2b6d5043353c9256e020015400b988facaa163003a232f873bee7eb9db880ae7fc1a
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEJ:9RkjWjK9ABpGzlaRQLC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	2788f762c605122455086f594d7caf70N.exe

Executes dropped EXE 1 IoCs

pid	Process
4172	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1492-0-0x0000000000EE0000-0x0000000000F11000-memory.dmp	upx
behavioral2/files/0x000e000000023444-6.dat	upx
behavioral2/memory/4172-14-0x0000000000770000-0x00000000007A1000-memory.dmp	upx
behavioral2/memory/1492-18-0x0000000000EE0000-0x0000000000F11000-memory.dmp	upx
behavioral2/memory/4172-21-0x0000000000770000-0x00000000007A1000-memory.dmp	upx
behavioral2/memory/4172-23-0x0000000000770000-0x00000000007A1000-memory.dmp	upx
behavioral2/memory/4172-26-0x0000000000770000-0x00000000007A1000-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	2788f762c605122455086f594d7caf70N.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 1492 wrote to memory of 4172	1492	2788f762c605122455086f594d7caf70N.exe	89
PID 1492 wrote to memory of 4172	1492	2788f762c605122455086f594d7caf70N.exe	89
PID 1492 wrote to memory of 4172	1492	2788f762c605122455086f594d7caf70N.exe	89
PID 1492 wrote to memory of 2552	1492	2788f762c605122455086f594d7caf70N.exe	90
PID 1492 wrote to memory of 2552	1492	2788f762c605122455086f594d7caf70N.exe	90
PID 1492 wrote to memory of 2552	1492	2788f762c605122455086f594d7caf70N.exe	90

C:\Users\Admin\AppData\Local\Temp\2788f762c605122455086f594d7caf70N.exe
"C:\Users\Admin\AppData\Local\Temp\2788f762c605122455086f594d7caf70N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- 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:4172
- 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:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb
MD5 55d2fdd1432483e3ba86ebeccfe130b6
SHA1 7280b14d708800fd15303b2caa8628a0fbd7aa08
SHA512 36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3
MD5 SHA1 SHA512

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huter.exe

Path C:\Users\Admin\AppData\Local\Temp\huter.exe
Size 79KB
SHA256 743e1db84e0d9a4d77e444cab2777663c1f72556f2c3272285b20414dae160f3
MD5 a10d412af9c594fe2541195376c7279b
SHA1 8c0c48234f53ffe0a8bb668f0c243fade0abc141
SHA512 f96ac743d79fa0dac859d33eea94cc618fbfab27bdef335f7e399804eacd36ad31abc4f446d071eea8d9cfc1dc166f41acb0fea26538d8ed903ac75bfce6a670
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEJ:9RkjWjK9ABpGzlaRQLu
MD5 SHA1 SHA512 SSDEEP

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 276B
SHA256 b7b9d0a918f4060af909b4b5e4a0c60e469ee59d819e63770536bbe1305bf6f1
MD5 c386587eada17d38dac067384a8e93b3
SHA1 1ddccc189f744da2615330e82edf34579b3049c9
SHA512 e229bbd2a79fb683500b1f0775dd5a85f813de74d88a34b99dd138c1385d4be81ccd5a4d4d4c630f062adc83d927b0cdc4afe72b22f22461f6fa6f22cfd9190e
MD5 SHA1 SHA512

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memory/1492-0-0x0000000000EE0000-0x0000000000F11000-memory.dmp

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memory/1492-18-0x0000000000EE0000-0x0000000000F11000-memory.dmp

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memory/4172-14-0x0000000000770000-0x00000000007A1000-memory.dmp

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memory/4172-21-0x0000000000770000-0x00000000007A1000-memory.dmp

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memory/4172-23-0x0000000000770000-0x00000000007A1000-memory.dmp

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memory/4172-26-0x0000000000770000-0x00000000007A1000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads