urelas | dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb

Analysis

max time kernel
134s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 04:10

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General

Target
dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe
Size 80KB
Sample241013-errywaydla
SHA256 dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb
MD5 d80c8aec6931256d19ffd0b6555845d2
SHA1 3789d54502c49fe153f185e10f32d445788dbf99
SHA512 6e394ea874dbc62a7cfbad8fb28db5911988ad085206f9501bd4f3860c6130ccbf471d023d0e956279d7bb8191e342681634cf5ef15f65098aa01b6ef48323ef
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEU:9RkjWjK9ABpGzlaRQLZ
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe

Executes dropped EXE 1 IoCs

pid	Process
4612	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3356-0-0x0000000000EA0000-0x0000000000ED1000-memory.dmp	upx
behavioral2/files/0x000d000000023bab-6.dat	upx
behavioral2/memory/4612-13-0x0000000000C60000-0x0000000000C91000-memory.dmp	upx
behavioral2/memory/3356-18-0x0000000000EA0000-0x0000000000ED1000-memory.dmp	upx
behavioral2/memory/4612-21-0x0000000000C60000-0x0000000000C91000-memory.dmp	upx
behavioral2/memory/4612-23-0x0000000000C60000-0x0000000000C91000-memory.dmp	upx
behavioral2/memory/4612-25-0x0000000000C60000-0x0000000000C91000-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	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.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 3356 wrote to memory of 4612	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	88
PID 3356 wrote to memory of 4612	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	88
PID 3356 wrote to memory of 4612	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	88
PID 3356 wrote to memory of 372	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	89
PID 3356 wrote to memory of 372	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	89
PID 3356 wrote to memory of 372	3356	dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe	89

C:\Users\Admin\AppData\Local\Temp\dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe
"C:\Users\Admin\AppData\Local\Temp\dd971f966366e6185b67eaebeecedca3dc45c2e617db13ac934f7e91b6af00eb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3356
- 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:4612
- 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:372

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 80KB
SHA256 805ed92fba70811b0aa8ee9d78cb05a36147e66e4f4e46d6de8b7906fb7cd3ac
MD5 8ebd5f4b7a527597e23dc642d7e67c5a
SHA1 973cba0eea8c1f927774ed3561af13a66cb00fa9
SHA512 aabd532bd9ab1f2d3cc7fd820733b7e6f2dcf30c8dfb4d04e8e1c71d4c076c60cc0517eba37c82d6db173971bcb4ade662452264b025d6bcd8312743631a60fe
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEg:9RkjWjK9ABpGzlaRQLV
MD5 SHA1 SHA512 SSDEEP

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 338B
SHA256 79f20d1ace4736925edbd44055fea1d449e475e252e66231edbb5e83cfc7036e
MD5 d9c0ee26da8874510070fc31216de2a2
SHA1 277e534411b942e513a8490cafb5c60f00fa39b5
SHA512 38f23d9230f4324c4ac40a879abb3571677583bf1ef872d05a388fe34e8fbbaaa3f14c99c206df46d02a91cdbdbe2f94f8d8ff91e350624d6049e7e881ce7807
MD5 SHA1 SHA512

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memory/3356-0-0x0000000000EA0000-0x0000000000ED1000-memory.dmp

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memory/3356-18-0x0000000000EA0000-0x0000000000ED1000-memory.dmp

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memory/4612-13-0x0000000000C60000-0x0000000000C91000-memory.dmp

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memory/4612-21-0x0000000000C60000-0x0000000000C91000-memory.dmp

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memory/4612-23-0x0000000000C60000-0x0000000000C91000-memory.dmp

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memory/4612-25-0x0000000000C60000-0x0000000000C91000-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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