urelas | c4c6d76e36aa3cda944e1dda2e2eea5baa1cc8ad60ab7b2a64b907ba7f09b6f1

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05/05/2024, 09:42

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General

Target

adb243c1562b276d7f3b6c21e63ef226_NEAS.exe
Size

491KB
MD5

adb243c1562b276d7f3b6c21e63ef226
SHA1

52d972b2a7ee3aa7bf327abfac676e1a8adb8d90
SHA256

c4c6d76e36aa3cda944e1dda2e2eea5baa1cc8ad60ab7b2a64b907ba7f09b6f1
SHA512

77df9559d0d957c25d16e27c2068dd71ccd89961213610284ef16b556c9302705f948ac51d378b7e548d9f4f79d173a2fb87e4c75cf703faa586e2f12319a84b
SSDEEP

6144:KxBWeMRygxDLbHxlSBxzJb6B6q1gBFJV6AvRqsf6YU+FM+3Yn/fCXjQGDq+E:63MQIDKJxq+Xxvo0U+d3s/fCX0X

Score

10^/10

urelas 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

Deletes itself 1 IoCs

pid	Process
2600	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2576	baivj.exe

Loads dropped DLL 2 IoCs

pid	Process
1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe
1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1856-0-0x0000000000B40000-0x0000000000BE7000-memory.dmp	upx
behavioral1/files/0x0036000000015d21-4.dat	upx
behavioral1/memory/1856-11-0x00000000023C0000-0x0000000002467000-memory.dmp	upx
behavioral1/memory/2576-20-0x0000000000010000-0x00000000000B7000-memory.dmp	upx
behavioral1/memory/1856-22-0x0000000000B40000-0x0000000000BE7000-memory.dmp	upx
behavioral1/memory/2576-25-0x0000000000010000-0x00000000000B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe
2576	baivj.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2576	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	28
PID 1856 wrote to memory of 2576	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	28
PID 1856 wrote to memory of 2576	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	28
PID 1856 wrote to memory of 2576	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	28
PID 1856 wrote to memory of 2600	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	29
PID 1856 wrote to memory of 2600	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	29
PID 1856 wrote to memory of 2600	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	29
PID 1856 wrote to memory of 2600	1856	adb243c1562b276d7f3b6c21e63ef226_NEAS.exe	29

C:\Users\Admin\AppData\Local\Temp\adb243c1562b276d7f3b6c21e63ef226_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\adb243c1562b276d7f3b6c21e63ef226_NEAS.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\baivj.exe
  "C:\Users\Admin\AppData\Local\Temp\baivj.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - Deletes itself
  PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
287B

MD5
3047d89116639bd6ddec56df91507139

SHA1
a154dc7137ad0d955268a6b0699fa3bd9a2aecaa

SHA256
184a57c41542defd4914dcba62b4fa57d4673b990529925ee7d3de0a64d33d45

SHA512
8008a67177defb44c9ca55f37be4f6d3a057ffa2dc709726190094dc505b2d8c664a382b4d2e210377f6cad95854d20a4b8a14f183458fc1200b1b4da3a611f8

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

Filesize
512B

MD5
321648e6ae6a294fc3c0e16944d32a63

SHA1
1575254f688390d3723b7ed6dc749af0ff420ade

SHA256
28707c9d741e95faecee35cb913f87a9f476a9e58b98407a4d277c3673f032a0

SHA512
6b4240c2bcf2c05409baf18a898cda956887086f91d5d60be8248ebb080c56b097dddbaed0135f2e645551839f2d83ffdab2c983aebc67dac327d3c610550c07

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

Filesize
491KB

MD5
75a8cd4e0fecf76508f7af1da3161f93

SHA1
f9e8a702f9255a11ff13d6851ac542171ce6510d

SHA256
745d72100cab080b091c5532ba26db3d2945906f3464bf1e4226f810932dbdab

SHA512
a9ad613fb5224491ca4128b761a9830bbef708fa092ae6e0872c0fdabc7713ec862f622d9529f146021c0b4eb776a2315831d55b67a4eb9e9781b4712930ebe2

Download Submit
memory/1856-0-0x0000000000B40000-0x0000000000BE7000-memory.dmp

Filesize
668KB

Download
memory/1856-13-0x00000000023C0000-0x0000000002467000-memory.dmp

Filesize
668KB

Download
memory/1856-11-0x00000000023C0000-0x0000000002467000-memory.dmp

Filesize
668KB

Download
memory/1856-22-0x0000000000B40000-0x0000000000BE7000-memory.dmp

Filesize
668KB

Download
memory/2576-20-0x0000000000010000-0x00000000000B7000-memory.dmp

Filesize
668KB

Download
memory/2576-25-0x0000000000010000-0x00000000000B7000-memory.dmp

Filesize
668KB

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