urelas | f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5

General

Target

f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe
Size

324KB
MD5

7c4be427fb9c0b704fc7836a0262b34c
SHA1

6d0aa5c39503a36d9f9e601c2614ace4aa6b169c
SHA256

f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5
SHA512

8b6b78e1c78ac404ce18564d8c7c4b76b16915bce699567e002153201e649772baf8a3cd5e4ba5bf39a920ca778b3cd528ec91dd1c24db049e762664f0bb43d1
SSDEEP

6144:bNEo/rmV71+I8ZD/h/vFfhxxQO4B4tqv+Hq/On1NHwBzQ4bed76a3FoSxP:bNEo/6YnZVB1rkAqcNAzQCed7J1oSx

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
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

Processes:

f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe

Executes dropped EXE 1 IoCs

Processes:

bypok.exe

pid process

3040 bypok.exe

pid	process
3040	bypok.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4376-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\bypok.exe	upx
behavioral2/memory/4376-14-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/3040-17-0x0000000000400000-0x0000000000489000-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

Processes:

f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exebypok.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bypok.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe

description	pid	process	target process
PID 4376 wrote to memory of 3040	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	bypok.exe
PID 4376 wrote to memory of 3040	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	bypok.exe
PID 4376 wrote to memory of 3040	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	bypok.exe
PID 4376 wrote to memory of 2248	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	cmd.exe
PID 4376 wrote to memory of 2248	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	cmd.exe
PID 4376 wrote to memory of 2248	4376	f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe
"C:\Users\Admin\AppData\Local\Temp\f5da0f18b7517c6daae158d22eef9b377f026eb5b0e141cc943b331cea47def5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\bypok.exe
  "C:\Users\Admin\AppData\Local\Temp\bypok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3040
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248

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\_uinsey.bat

Filesize
340B

MD5
5c7b95813b0009e4849f172569ed117e

SHA1
10980ae3b2453ee58a5191caf8fb6ff1dac86c68

SHA256
1fc3e49feaca9eb385ee025f60a87d712726ea29956fff47be3c30ce255e8fb6

SHA512
b5be4e6c57234b812c3903ebb551c8aea65c709c23e8e254c7bdb0144b1e54ef525e45d5a361b087cf0621b64654f5ead75d07d60ba4d0b0f2730318a588cb64

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

Filesize
324KB

MD5
4902e991b2d15b1183ccd6469a27cdbe

SHA1
019a5d54dbe4734a674a1a02b4b071e371663f81

SHA256
6731b5a76c1e059139e3157cddf0390a0e5a66d5429e30d57f1702813b37270c

SHA512
46e583355a3eb038754fbe2cae6875e247c46d74044c19c1c8f62bf4e282ac8ec72af6d4b07b45b0eaea56ac04d6b57cc2d47dbf8366be06b96273a512f246c5

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C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
5efd02103cce9c2f9642d3dc5732c4e0

SHA1
4932bab560b198371d250a42c8939b0d76b68a05

SHA256
e0b76974150920dedbf05e54ecb1cf27de3441e49c05086eef216bf6eb41f476

SHA512
0fb6cfa4c4d798b906e2ed3c3f69641983684e78f32cbe1e295fc101636d317afd42453d3931dc65726223b42c08a62c8a496e01eb1952ba9cdf8f350c6156cc

Download Submit
memory/3040-17-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4376-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4376-14-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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