urelas | 6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b

Analysis

max time kernel
102s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2024, 14:49

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General

Target
6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe
Size 80KB
Sample241020-r7eppstenf
SHA256 6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b
MD5 db2a52f461023dd9a657beb650b2c950
SHA1 9e44b71946374464e3810dc3b3ddf4344cbff1b3
SHA512 ebaf3fc456425ca62f467737ca8497cf8e0c7b9481a7e375307971d191206375c674774a0f4b90c28de1d990cedd0efe7b04becc1a184a6358bf0064b5333498
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEr4m:9RkjWjK9ABpGzlaRQLe4m
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe

Executes dropped EXE 1 IoCs

pid	Process
3884	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4936-0-0x0000000000230000-0x0000000000261000-memory.dmp	upx
behavioral2/files/0x0008000000023cd6-6.dat	upx
behavioral2/memory/3884-13-0x0000000000A50000-0x0000000000A81000-memory.dmp	upx
behavioral2/memory/4936-18-0x0000000000230000-0x0000000000261000-memory.dmp	upx
behavioral2/memory/3884-21-0x0000000000A50000-0x0000000000A81000-memory.dmp	upx
behavioral2/memory/3884-23-0x0000000000A50000-0x0000000000A81000-memory.dmp	upx
behavioral2/memory/3884-25-0x0000000000A50000-0x0000000000A81000-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	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.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 4936 wrote to memory of 3884	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	89
PID 4936 wrote to memory of 3884	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	89
PID 4936 wrote to memory of 3884	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	89
PID 4936 wrote to memory of 1660	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	90
PID 4936 wrote to memory of 1660	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	90
PID 4936 wrote to memory of 1660	4936	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	90

C:\Users\Admin\AppData\Local\Temp\6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe
"C:\Users\Admin\AppData\Local\Temp\6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- 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:3884
- 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:1660

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 e447edf47193684015b22929c0b1f5bcfadc0c30fa864723534f397637d9ff1a
MD5 283258ba1ffa4f59d838aa317212b16c
SHA1 add4e4194df8c5cc5b5dcca2692b33d982cfc5c6
SHA512 5574e12ecd18b19dd401676752719563c570495345700fe441f5b6555f5435058d52023b50d5b73579161ea24c088b1e26c0ee2b8f6481feb789e21ba055a5a4
SSDEEP 1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEr4M:9RkjWjK9ABpGzlaRQLe4M
MD5 SHA1 SHA512 SSDEEP

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 340B
SHA256 4570bf04272a8bcea981bde57d2ff74425235e390b2b16f7a0491bd6cc18520d
MD5 31cc99df17d6a9cb62d5e247013c9584
SHA1 8e3c1fca4dd257e4c6ec9e86adcb76ad9ffb2117
SHA512 928ed2e117d9554fe3b5e16e3b38e299058f453482adfd65d78325462cc7c73f805dc1b86ad04f18163fe6d94f83a5f945ff9a17f48d9202671debee7c9b92f4
MD5 SHA1 SHA512

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memory/3884-13-0x0000000000A50000-0x0000000000A81000-memory.dmp

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memory/3884-21-0x0000000000A50000-0x0000000000A81000-memory.dmp

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memory/3884-23-0x0000000000A50000-0x0000000000A81000-memory.dmp

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memory/3884-25-0x0000000000A50000-0x0000000000A81000-memory.dmp

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memory/4936-0-0x0000000000230000-0x0000000000261000-memory.dmp

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memory/4936-18-0x0000000000230000-0x0000000000261000-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