urelas | 6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b

General

Target

6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe
Size

80KB
MD5

db2a52f461023dd9a657beb650b2c950
SHA1

9e44b71946374464e3810dc3b3ddf4344cbff1b3
SHA256

6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b
SHA512

ebaf3fc456425ca62f467737ca8497cf8e0c7b9481a7e375307971d191206375c674774a0f4b90c28de1d990cedd0efe7b04becc1a184a6358bf0064b5333498
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEr4m:9RkjWjK9ABpGzlaRQLe4m

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4160-0-0x0000000000A40000-0x0000000000A71000-memory.dmp	upx
behavioral2/files/0x000b000000023b82-6.dat	upx
behavioral2/memory/2184-13-0x0000000000BB0000-0x0000000000BE1000-memory.dmp	upx
behavioral2/memory/4160-18-0x0000000000A40000-0x0000000000A71000-memory.dmp	upx
behavioral2/memory/2184-21-0x0000000000BB0000-0x0000000000BE1000-memory.dmp	upx
behavioral2/memory/2184-23-0x0000000000BB0000-0x0000000000BE1000-memory.dmp	upx
behavioral2/memory/2184-26-0x0000000000BB0000-0x0000000000BE1000-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 4160 wrote to memory of 2184	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	87
PID 4160 wrote to memory of 2184	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	87
PID 4160 wrote to memory of 2184	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	87
PID 4160 wrote to memory of 2756	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	88
PID 4160 wrote to memory of 2756	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	88
PID 4160 wrote to memory of 2756	4160	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	88

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:4160
- 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:2184
- 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:2756

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

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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
f814c826a6d83cdd1c9783632e5d77fe

SHA1
2447bf6dfa1250d1594b4a3cb5ec34616cb82033

SHA256
35620bb478c7fefb7c6d1c3500f10a82ff3a6a1d9d820064f503b20102f34278

SHA512
6f439cd346ab11c55ea9bd3eb1732038c66209b7d536c6af5755ddc3b84eefd1ebdbfa282ada16382b4383609640699cc0f74fd95617dac90e9997cc2397ce44

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

Filesize
340B

MD5
31cc99df17d6a9cb62d5e247013c9584

SHA1
8e3c1fca4dd257e4c6ec9e86adcb76ad9ffb2117

SHA256
4570bf04272a8bcea981bde57d2ff74425235e390b2b16f7a0491bd6cc18520d

SHA512
928ed2e117d9554fe3b5e16e3b38e299058f453482adfd65d78325462cc7c73f805dc1b86ad04f18163fe6d94f83a5f945ff9a17f48d9202671debee7c9b92f4

Download Submit
memory/2184-13-0x0000000000BB0000-0x0000000000BE1000-memory.dmp

Filesize
196KB

Download
memory/2184-21-0x0000000000BB0000-0x0000000000BE1000-memory.dmp

Filesize
196KB

Download
memory/2184-23-0x0000000000BB0000-0x0000000000BE1000-memory.dmp

Filesize
196KB

Download
memory/2184-26-0x0000000000BB0000-0x0000000000BE1000-memory.dmp

Filesize
196KB

Download
memory/4160-0-0x0000000000A40000-0x0000000000A71000-memory.dmp

Filesize
196KB

Download
memory/4160-18-0x0000000000A40000-0x0000000000A71000-memory.dmp

Filesize
196KB

Download

Analysis

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