urelas | 5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960f

General

Target

5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe
Size

84KB
MD5

3d9cb77b2c5724abbc67a17d3ccd2d70
SHA1

0d5f35e3c86cec3b0da19f69d71c1dda3a16e41e
SHA256

5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960f
SHA512

16da3e524128fadb1c7e4968f55e27e624fb61c7ce04ea5b1934a3e19f174247ecb7401eb33910033c6f719aa7db088ec600da9c0fdea1496c1f4d67598f041d
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURn:JznH976dUCnuniDL

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

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	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe

Executes dropped EXE 1 IoCs

pid	Process
1456	huter.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3668-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/files/0x0010000000023b5d-6.dat	upx
behavioral2/memory/3668-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1456-20-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1456-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/1456-29-0x0000000000400000-0x0000000000431000-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	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.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 3668 wrote to memory of 1456	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	88
PID 3668 wrote to memory of 1456	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	88
PID 3668 wrote to memory of 1456	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	88
PID 3668 wrote to memory of 4552	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	89
PID 3668 wrote to memory of 4552	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	89
PID 3668 wrote to memory of 4552	3668	5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe	89

C:\Users\Admin\AppData\Local\Temp\5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe
"C:\Users\Admin\AppData\Local\Temp\5818e86ecfa32a8f8a763f6b6ecace2ef11e314eb740d40b553e37c96b63960fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- 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:1456
- 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:4552

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
a01dba4c45102fc15292fd5591166536

SHA1
d96191c30e0f09439d8547f4ededbf6726ccd54b

SHA256
cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

SHA512
277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

Download Submit
C:\Users\Admin\AppData\Local\Temp\huter.exe

Filesize
85KB

MD5
7882dc6f0605516e68b4e800e439bbc8

SHA1
aa5864d299152e2f4300f2099aaa0d9117472feb

SHA256
fc9aee82b9b755a2c9e8f3eca2ef5a8fb1970c445f75c77d8647f8ee42195318

SHA512
7f13228f3bcb31430f953ce7367d50209528df64c28687c4613a2a95eb0680151e4f50beb5f2e6b08fc8a46544d05828891376cf108884cfdc91b352bceef13e

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

Filesize
340B

MD5
d74b0369b06fb7761a92be2efe28998b

SHA1
d3a122abb29d0792c92b21c680eb8b9cb56d14c7

SHA256
6888ee84afbb9f7d8584e65093d45a1c25b50682e8b3167959826c7bbdebc3b3

SHA512
d34b6f57c5db931c3187f271afcfddeb0bb36389405457d7c620b8a29c89d2e0d4e52aa0618d78e851e00e63ac09c7679ff31c2b75475f8ecea69de9c8a7d003

Download Submit
memory/1456-20-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1456-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1456-29-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3668-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3668-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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