urelas | f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afce

General

Target

f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe
Size

641KB
MD5

d61f155a04d2b2801f8219bca8fbab10
SHA1

3d93ba284f59854a7a05dd59d10f17ac02807618
SHA256

f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afce
SHA512

869266800d97e573c8a48a55ad212bdc16cc216f180c52ce19c6799ac162475b0900d4179cb55985190914383bbfbb82ddfe1bf3e6c48459607edc547eb66495
SSDEEP

12288:jBjUUmQfHYO+2LI5++CHYq6gCop2KQU1TUNW7q5m:jBvmcYO+2s59QP61KQQUNWp

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

218.54.30.235

218.54.31.165

Signatures

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

Checks computer location settings 2 TTPs 2 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	ivfor.exe

Executes dropped EXE 2 IoCs

pid	Process
2864	ivfor.exe
4716	voicv.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0003000000000709-21.dat	upx
behavioral2/memory/4716-25-0x0000000000400000-0x00000000004A7000-memory.dmp	upx
behavioral2/memory/4716-28-0x0000000000400000-0x00000000004A7000-memory.dmp	upx
behavioral2/memory/4716-29-0x0000000000400000-0x00000000004A7000-memory.dmp	upx
behavioral2/memory/4716-30-0x0000000000400000-0x00000000004A7000-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 4 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	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ivfor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	voicv.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe
4716	voicv.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 2864	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	83
PID 3344 wrote to memory of 2864	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	83
PID 3344 wrote to memory of 2864	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	83
PID 3344 wrote to memory of 1200	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	84
PID 3344 wrote to memory of 1200	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	84
PID 3344 wrote to memory of 1200	3344	f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe	84
PID 2864 wrote to memory of 4716	2864	ivfor.exe	103
PID 2864 wrote to memory of 4716	2864	ivfor.exe	103
PID 2864 wrote to memory of 4716	2864	ivfor.exe	103

C:\Users\Admin\AppData\Local\Temp\f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe
"C:\Users\Admin\AppData\Local\Temp\f05b2d0a90ba1df0734cb30a4fc76309ddcfd39ab40338ec3b9d1cd99a43afceN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\ivfor.exe
  "C:\Users\Admin\AppData\Local\Temp\ivfor.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Users\Admin\AppData\Local\Temp\voicv.exe
    "C:\Users\Admin\AppData\Local\Temp\voicv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4716
- 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:1200

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\_uinsey.bat

Filesize
342B

MD5
a413fca0087c440ff5e62e80c3a3865a

SHA1
335856923bf4f6f7e86cef18d481f532498961c4

SHA256
621c837caddbdd7068a561e26be6c2837dbad1d4811a029d7ee95d70e37cee90

SHA512
282df54001e9f733099eaff6cd5089f3238d600a5c53b502a926dccc0422c231c5e3d3e17fed2a93fff6aeec5908dfaa7aa748f71ffe916317899f2913b68f75

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

Filesize
512B

MD5
1f7d38779617b323a75f9d168a721044

SHA1
ad0ceed2ac7c596fe52c98e6be5017637aec10a8

SHA256
fa6b2540284bfed86d61553346b23c7ed55bb49dfbca71393b8857a1a318a81b

SHA512
5f5808f8e7821c31f78a5ebf117c0e0493e3b28521427bff3c46c0ca34dd2007023b8779249bf0cba505ddb1031da7532652470683b3211a5d1372384a7cab59

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

Filesize
641KB

MD5
6e4310376b3d965489c40d3b4fbcd40b

SHA1
d2e846e8f458cc8fef666c71d586ac9541ef3249

SHA256
96e6ac7ec5875e589a8a6f651016a59031762e548909bd01d26aa1eb555ef917

SHA512
653922f4c8c631b9dbe7f481ae315344629758412fdb380c5f5ce1bd0b67622ac41b87d591554e2002139b5824ce7dd9cd2de0bbbe8c5ee24cb429d1c6b68949

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

Filesize
205KB

MD5
1d473c0fdc08c644719673cb059d4901

SHA1
a7ba80000fa78ff4a63599d8036e520c7bc021f3

SHA256
98455839f7f6d4d780a9d5f0ad171117d4f975ff3028733637f4d9d753026b7a

SHA512
0ca26f2d6927710e9d67777d487071036a31152810d22af15d86c90cf7b4cbde633f8e58354603ca0e0b2d936d8fd56eced3195082e239e7568cbc7031326850

Download Submit
memory/2864-16-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/2864-26-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/3344-0-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/3344-13-0x0000000000400000-0x00000000004A0000-memory.dmp

Filesize
640KB

Download
memory/4716-25-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/4716-28-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/4716-29-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/4716-30-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download

Analysis

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