urelas | 7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 20:48

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General

Target

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
Size

660KB
MD5

fa22a94cf15e0f978ab5f354af7b28c0
SHA1

75997c17a503e2a2f48f5d81a7f561a7d90fe7c9
SHA256

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074f
SHA512

0a8f9f498babb7ac26455b8e8c0d9e286b7977c35e436de6ebbf0bdc9318f576f432ab404a59e11dd6b1629baaed0fcd46811da27706ab51d73016f8afb907cd
SSDEEP

6144:O1xBWeMRygxDLbHxlSBxzJn1REBB6q1gBFJV6AvRqsf6YU+FM+3Yn/fCXjQGDqLO:Ol3MQIDKJzTq+Xxvo0U+d3s/fCX0Y

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

121.88.5.183

218.54.30.235

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

Processes:

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exemecoj.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	mecoj.exe

Executes dropped EXE 2 IoCs

Processes:

mecoj.exeusvik.exe

pid	Process
3640	mecoj.exe
4576	usvik.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4476-0-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/files/0x0002000000022dcd-6.dat	upx
behavioral2/memory/3640-12-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4476-14-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/3640-17-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/files/0x0002000000021f51-22.dat	upx
behavioral2/memory/4576-26-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/3640-27-0x0000000000400000-0x00000000004A5000-memory.dmp	upx
behavioral2/memory/4576-28-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-29-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-30-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-31-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-32-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-33-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-34-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-35-0x00000000005D0000-0x000000000068A000-memory.dmp	upx
behavioral2/memory/4576-36-0x00000000005D0000-0x000000000068A000-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

Processes:

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exemecoj.execmd.exeusvik.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mecoj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	usvik.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exemecoj.exeusvik.exe

pid	Process
4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
3640	mecoj.exe
3640	mecoj.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe
4576	usvik.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exemecoj.exe

description	pid	Process	procid_target
PID 4476 wrote to memory of 3640	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	89
PID 4476 wrote to memory of 3640	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	89
PID 4476 wrote to memory of 3640	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	89
PID 4476 wrote to memory of 4972	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	90
PID 4476 wrote to memory of 4972	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	90
PID 4476 wrote to memory of 4972	4476	7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe	90
PID 3640 wrote to memory of 4576	3640	mecoj.exe	98
PID 3640 wrote to memory of 4576	3640	mecoj.exe	98
PID 3640 wrote to memory of 4576	3640	mecoj.exe	98

C:\Users\Admin\AppData\Local\Temp\7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe
"C:\Users\Admin\AppData\Local\Temp\7526cf640a772dd13e6252a3fb94cf1975fd347f4f67246075e8012ef67f074fN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Users\Admin\AppData\Local\Temp\mecoj.exe
  "C:\Users\Admin\AppData\Local\Temp\mecoj.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Users\Admin\AppData\Local\Temp\usvik.exe
    "C:\Users\Admin\AppData\Local\Temp\usvik.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:4576
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4972

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

C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat

Filesize
343B

MD5
f46847abee1e922e6e3891fed2523c49

SHA1
92e963e39c22d1e9025dd4e083605fe7656a9a05

SHA256
a5e75557e8eb4c098e7100d141c75186dc3be071245f2eaed23b17e7b8c72d30

SHA512
c4acd3e822197402611464b7a4cdece51716c1805e2f291701a0028553c472b2f30400b11b998497253ebc13ada4c9991d40e50f69f6674c8d2f30d0f207313e

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

Filesize
512B

MD5
37c21a1cb456dc19bbcb7cada80bb364

SHA1
8d6a2040a7717e87d576a880c532476d75b344d7

SHA256
93a86eab5a1f717168738934b6d20aed8fb065f97302d22b60929b6586eae011

SHA512
b932697b8a4e86e51a91f62b4a6c7cdd3dc9ded754fe557b2b65b5178de3e5b22fc7874ea69dc2ed0fd81fcc29e1a8e1dc39402d53c4b1d5238eb4020e027d87

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

Filesize
660KB

MD5
32329964b4c05c9fcfd71bf8c268b88c

SHA1
90f384cf3143fc41f05b457bb213364dc7319512

SHA256
6d05fc40980982b98dc84c5d1b6bc0163df7dff8ff5dcb98def4a22a3b507015

SHA512
e5b1fc226ba66b900db3402659a7b2e85e7967954a1c829e4eadbac524d223e6ec04a4cd99dc2759c5463fd996693fee3d2701ca853a7a8118048ec467eb1818

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

Filesize
243KB

MD5
fb0f461da17c2f23109a2ace2bd8ca76

SHA1
8e0b6fcd15f5a3f16361127847d21e692fba0d5e

SHA256
0b2570c193fb29329d9c403e31bfacf71c380012ed34ce9eed9826c9231176f8

SHA512
a49a5ed98b072f92d37e91f72208abbeb5a1b0bb5b972d3c447da58b6309243b6a23669beba19226257180bc4dc339d68e1532d7f4897b58964f9d10fda397ee

Download Submit
memory/3640-27-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/3640-12-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/3640-17-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4476-14-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4476-0-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/4576-26-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-28-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-29-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-30-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-31-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-32-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-33-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-34-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-35-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download
memory/4576-36-0x00000000005D0000-0x000000000068A000-memory.dmp

Filesize
744KB

Download