urelas | 8e620732f8541c584216d580057f165cbe982393eeed7c38d98fef2c335f2286

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 08:27

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General

Target

NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe
Size

465KB
MD5

3837a2c234eba6152f5cfc9a5338ab73
SHA1

d843b155d39229809bdef898ae48190d6f108847
SHA256

8e620732f8541c584216d580057f165cbe982393eeed7c38d98fef2c335f2286
SHA512

fbcc057cf4d4ee16296546e00cebdce20ade0a5930c4d023c5ee2c96a5d0fb9a3ed256dc0827c19c50012919635465af2a8fa96d300cefb64275314e089f625b
SSDEEP

6144:k9H4y9VOpL/DeRRoSGFPRuDYBzFrY5dRA2AkCMnZi6c/2AS9kFwJARejm7C:kZF9VOpnqoSG1EcBhs9xAkLZMomC

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Control Panel\International\Geo\Nation	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe

Executes dropped EXE 1 IoCs

pid	Process
4028	sander.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2216-0-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral2/files/0x0006000000022e05-6.dat	upx
behavioral2/files/0x0006000000022e05-8.dat	upx
behavioral2/files/0x0006000000022e05-9.dat	upx
behavioral2/memory/2216-13-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral2/memory/4028-16-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral2/memory/4028-17-0x0000000000400000-0x00000000004A9000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 4028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	90
PID 2216 wrote to memory of 4028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	90
PID 2216 wrote to memory of 4028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	90
PID 2216 wrote to memory of 1028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	91
PID 2216 wrote to memory of 1028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	91
PID 2216 wrote to memory of 1028	2216	NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe	91

C:\Users\Admin\AppData\Local\Temp\NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.3837a2c234eba6152f5cfc9a5338ab73.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\sander.exe
  "C:\Users\Admin\AppData\Local\Temp\sander.exe"
  2⤵
  - Executes dropped EXE
  PID:4028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  PID:1028

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

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
c06d75b573f85b204d70a5203f20f65d

SHA1
669035eaa6eed8808c0da743f4a91431071851d2

SHA256
ec40eac232f7d3d7ff74dfa9202b55acdb3cd58d0883f4736a69229d76d30430

SHA512
ff889f3e504d45e29763aef2c07ce4bf810b3e19eb451def62ff01e6fca9becab7ff2b09a551c45b9b843e3472f71f907c522e45220b4b46a1a2b269953e146a

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

Filesize
512B

MD5
178eba193b631d7b0653896453b678b2

SHA1
8878cae8fb5417248da5800e4d85b00149160404

SHA256
8c7800dfaf639b17e6b682b6fa2365275e6f80d07e6aa6bb56b676669d0e9db5

SHA512
936f9ec171c7ad5aa63c6691d9ea109a3f1ef31fe00bc26fe5afa8ae0ee21b5d3f65e873a242e7986f98bcb9abc82911dbf34bb907ed7a4973e959b7e90c69d5

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

Filesize
465KB

MD5
230a383b273eee6491875026ed2f72d2

SHA1
27a18cff7a2f8e6ac6b34262ed2ac16f0efa9e92

SHA256
6baa81a16dcf1c45819afc7f182983da368a05f22b54b4db193acd1586ca381d

SHA512
6d7e3392d0a15d8ff53ea9079edb67e9179ec6198b009be99b9fe6f4e1df1024e59cb0495cd2d000ef203060075f724cc670ac8239ec74b401ff3551a4628a1b

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

Filesize
465KB

MD5
230a383b273eee6491875026ed2f72d2

SHA1
27a18cff7a2f8e6ac6b34262ed2ac16f0efa9e92

SHA256
6baa81a16dcf1c45819afc7f182983da368a05f22b54b4db193acd1586ca381d

SHA512
6d7e3392d0a15d8ff53ea9079edb67e9179ec6198b009be99b9fe6f4e1df1024e59cb0495cd2d000ef203060075f724cc670ac8239ec74b401ff3551a4628a1b

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

Filesize
465KB

MD5
230a383b273eee6491875026ed2f72d2

SHA1
27a18cff7a2f8e6ac6b34262ed2ac16f0efa9e92

SHA256
6baa81a16dcf1c45819afc7f182983da368a05f22b54b4db193acd1586ca381d

SHA512
6d7e3392d0a15d8ff53ea9079edb67e9179ec6198b009be99b9fe6f4e1df1024e59cb0495cd2d000ef203060075f724cc670ac8239ec74b401ff3551a4628a1b

Download Submit
memory/2216-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2216-13-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4028-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4028-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download