urelas | f0f21e5facff46ddd12b0062afd60e748c017cf2e701b6aacda1b80dc045b921

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 19:25

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General

Target

3c84aa3f8f46669648f51b150afe8494.exe
Size

487KB
MD5

3c84aa3f8f46669648f51b150afe8494
SHA1

c073c74728a82c76246ca285f7f136a4615a0518
SHA256

f0f21e5facff46ddd12b0062afd60e748c017cf2e701b6aacda1b80dc045b921
SHA512

a5b5afa48ce1234881d2ab3d9d819303b4f54470b5abaca51854a437cac3bb4f70e32feaba95c6ba3dafddef35b3e8daa3b8d70efe8507d484485e1606da76af
SSDEEP

12288:cpbfVlu0agWfZlnxgmEpZGsrUs99uDEq5EGDFhH:cpbGRZxSfGCUs99hq5Jf

Score

10^/10

urelas trojan

Malware Config

Extracted

Family

urelas

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan 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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	muyju.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	3c84aa3f8f46669648f51b150afe8494.exe

Executes dropped EXE 2 IoCs

pid	Process
4204	muyju.exe
4768	opden.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe
4768	opden.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 4204	316	3c84aa3f8f46669648f51b150afe8494.exe	88
PID 316 wrote to memory of 4204	316	3c84aa3f8f46669648f51b150afe8494.exe	88
PID 316 wrote to memory of 4204	316	3c84aa3f8f46669648f51b150afe8494.exe	88
PID 316 wrote to memory of 3312	316	3c84aa3f8f46669648f51b150afe8494.exe	89
PID 316 wrote to memory of 3312	316	3c84aa3f8f46669648f51b150afe8494.exe	89
PID 316 wrote to memory of 3312	316	3c84aa3f8f46669648f51b150afe8494.exe	89
PID 4204 wrote to memory of 4768	4204	muyju.exe	99
PID 4204 wrote to memory of 4768	4204	muyju.exe	99
PID 4204 wrote to memory of 4768	4204	muyju.exe	99

C:\Users\Admin\AppData\Local\Temp\3c84aa3f8f46669648f51b150afe8494.exe
"C:\Users\Admin\AppData\Local\Temp\3c84aa3f8f46669648f51b150afe8494.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:316
- C:\Users\Admin\AppData\Local\Temp\muyju.exe
  "C:\Users\Admin\AppData\Local\Temp\muyju.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4204
- - C:\Users\Admin\AppData\Local\Temp\opden.exe
    "C:\Users\Admin\AppData\Local\Temp\opden.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:4768
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  PID:3312

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

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Downloads

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

Filesize
276B

MD5
857ffe3a149b4e207542754d4db81285

SHA1
345193fb480d2baeba2455414be80685354f7e51

SHA256
4b76eb2d49730cb70c6eaf5389846dfa7f04f8bf88d54ae6537ad6204dec5ca8

SHA512
1cab78a9dc14d53f520a404f33b2c4f5d8aa49e1e3ddba23ee8afdb6ba783c8e1c53f225197fa27c50a7b6f67f63602b3ed0ff459230fb5bbeab3313cb3c9d51

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

Filesize
512B

MD5
7386cd9472dac65253a451aab3c69b2e

SHA1
2bb7ff31b6f08addc50e31580f25dc3cbb07492c

SHA256
6124fab5ae384514ee72bfa57adf161813e625ccba41b5ec2203ef2443db0fe5

SHA512
07de158b87bee7f495300a774e0fd18831047eb54ca018bf351463225e2f951e0b45390c4d1cd02e50a60e92cb89233e4b4d0c7eb75c3266beee2db2906bd7e0

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

Filesize
487KB

MD5
1140a66d409353fb56a46fc45ef5d636

SHA1
cab48e22b0ccead19b7c164cc60d6ea4dccf5351

SHA256
f54da541d09358c0efd875f18a233b1ecfe649a52c2885bbb5b0c8caac740080

SHA512
cd07773a91a3dc79e68aa34550814d25beaf2bb9f6e11d2eeebfc950e0e2c06f567cbdb2cfa19bca69ab77cb7f3634c5cd0a5e174d95ab49ed3970d3084e2cf9

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

Filesize
178KB

MD5
3db74541a359f0fc4df46103aea56338

SHA1
21ab5fd7790fd327689ba8a2a396ac2b1bccb919

SHA256
21b211575fe32ca0f7647f0ef91794ebe18905d3461752d37c63761655523893

SHA512
d307faa7739a1001a74c9c2f618c3793d45545752ee129bcedbe45867d040c8a992112e77757ac01c2847625fc9a695145444adc23e108a0c57ea795b8053d2b

Download Submit
memory/316-0-0x00000000000B0000-0x0000000000136000-memory.dmp

Filesize
536KB

Download
memory/316-14-0x00000000000B0000-0x0000000000136000-memory.dmp

Filesize
536KB

Download
memory/4204-17-0x0000000000650000-0x00000000006D6000-memory.dmp

Filesize
536KB

Download
memory/4204-12-0x0000000000650000-0x00000000006D6000-memory.dmp

Filesize
536KB

Download
memory/4204-27-0x0000000000650000-0x00000000006D6000-memory.dmp

Filesize
536KB

Download
memory/4768-26-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4768-29-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4768-30-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4768-31-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4768-32-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4768-33-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download