urelas | 4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/11/2024, 22:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe
Size

426KB
MD5

e4534a106609e33002824af2f536a937
SHA1

29b956d5233e3b4f0b59382b53d798e1d1bce9df
SHA256

4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953
SHA512

4e9502bc121bfc303dbce61318a0d918d1850d5e1b1b2265ad0d524ffd2aec88a910919f7e644edbb3f8d8eaed66812259f6c6a1e78b29e16762b83e143f7258
SSDEEP

6144:WzU7blKaP2iCWhWapKRaRXOkN4Swel6f3IsInOdsc:YU7M5ijWh0XOW4sEfeOD

Score

10^/10

urelas aspackv2 discovery trojan

Malware Config

Extracted

Family

urelas

218.54.31.226

218.54.31.165

Signatures

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

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0004000000004ed7-26.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
2416	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1972	siliq.exe
1624	biwuv.exe

Loads dropped DLL 3 IoCs

pid	Process
3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe
3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe
1972	siliq.exe

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	biwuv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	siliq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe
1624	biwuv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1972	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	30
PID 3044 wrote to memory of 1972	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	30
PID 3044 wrote to memory of 1972	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	30
PID 3044 wrote to memory of 1972	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	30
PID 3044 wrote to memory of 2416	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	31
PID 3044 wrote to memory of 2416	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	31
PID 3044 wrote to memory of 2416	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	31
PID 3044 wrote to memory of 2416	3044	4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe	31
PID 1972 wrote to memory of 1624	1972	siliq.exe	34
PID 1972 wrote to memory of 1624	1972	siliq.exe	34
PID 1972 wrote to memory of 1624	1972	siliq.exe	34
PID 1972 wrote to memory of 1624	1972	siliq.exe	34

C:\Users\Admin\AppData\Local\Temp\4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe
"C:\Users\Admin\AppData\Local\Temp\4757153eaf5e3a0b2afcd1160b87c1d9a9e579aedabce52ffbd6c83969469953.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\siliq.exe
  "C:\Users\Admin\AppData\Local\Temp\siliq.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Users\Admin\AppData\Local\Temp\biwuv.exe
    "C:\Users\Admin\AppData\Local\Temp\biwuv.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1624
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
340B

MD5
2e41ec5d0baa4ef76a82c0b0b1d8f58c

SHA1
6f93c7490b59dd92ed58e1406c0f8bdd156cb659

SHA256
8ee3c8ac0b8815d68bdc39a1eb9d95e253e74cbe6e482ae91511ccbe2dc8d548

SHA512
d27a2f296e27ae39cea7c8b12051dd6fd68ab932116235417db540d59fdad12e5522df52065f52c7bdbd2d85cb696e4f517347942aca876b8fad35b42faf0063

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

Filesize
512B

MD5
671a12a4110af3353387f82a65ce3e3e

SHA1
b2407f18ecc8401d86c2f5be0748e75bf08b4ffa

SHA256
896483b294f76ea2d11b9b2445a3722546af8df207ec612a110525e98f62169e

SHA512
e247c96ce97ab8c77b9d7e7470cc2607ed7c5667f250b88b6363d16fa864d862eec3c96f5a85fce7061cff56b61e55ca89b00ab23f5ba26e020a8bca205aaed9

Download Submit
\Users\Admin\AppData\Local\Temp\biwuv.exe

Filesize
212KB

MD5
f19c85d005e9ba58cdad7f47856e512f

SHA1
860f7d66e98ee7975ab0370b9f1d347707bd8101

SHA256
49f3fba11f3662b37a3e3ee2dbfc7ee695a4222b36a1cc2f634819d59ff9baf2

SHA512
d842cd497c97cc8636ed3587c89c281cbc87edd18238f3fc4aaf5e0d4d0a352888599c503dd51a628b092304ca6072567384e12a45d5002c89892b4ae006004b

Download Submit
\Users\Admin\AppData\Local\Temp\siliq.exe

Filesize
426KB

MD5
78d48a0e9b3194ac3ed1b618387796b1

SHA1
00f0e305d0cff58742232b50a30751fcd4fdaca6

SHA256
f970ba8b2849bda0a0e43f059a925727df5ba7af8e84f84d3adbc644b390e398

SHA512
06e4446df3400d6a0954a53cf9f86b9762798f3b3b68aefac1495d4fabc8600bd7675c13ebb412d76ab915335dfb7161c10c59456846ea89d065363874932662

Download Submit
memory/1624-40-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-41-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-33-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-42-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-39-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-32-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-38-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-35-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1624-34-0x0000000001270000-0x0000000001304000-memory.dmp

Filesize
592KB

Download
memory/1972-29-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/1972-30-0x0000000003B80000-0x0000000003C14000-memory.dmp

Filesize
592KB

Download
memory/1972-23-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3044-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3044-20-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/3044-11-0x00000000024D0000-0x0000000002537000-memory.dmp

Filesize
412KB

Download