urelas | a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 00:41

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General

Target
a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe
Size 123KB
Sample240312-a14a2sdb34
SHA256 a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049
MD5 7503383e27b8bf8eff4e23464a7a41c9
SHA1 48d146be2c5e3eb5ac6c3283ab61e0e854aa1edc
SHA512 d34abca9e9422dcbb56f311546e0198321d3fb7be3f580e3479c75b3ec76568a0043b4ea2401b826c8c2f543fef3945724d822982e6328329b62b2daf848f1bc
SSDEEP 1536:DVih9jjOABjWAqUffzNoBcTwE/sNW4Am8NsuPz4cnSXsWjcdy6YAiQ45sIsR:DVSRBPCoLY5RIzNdy6YO45O
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas trojan

Malware Config

Extracted

Family

urelas

218.54.47.76
218.54.47.77
218.54.47.74

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe

Executes dropped EXE 1 IoCs

pid	Process
4012	biudfw.exe

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 3048 wrote to memory of 4012	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	91
PID 3048 wrote to memory of 4012	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	91
PID 3048 wrote to memory of 4012	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	91
PID 3048 wrote to memory of 1760	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	92
PID 3048 wrote to memory of 1760	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	92
PID 3048 wrote to memory of 1760	3048	a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe	92

C:\Users\Admin\AppData\Local\Temp\a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe
"C:\Users\Admin\AppData\Local\Temp\a2d939624aa471cb65e19a8a027bf5deb6e09e21c25224333a1854ff94716049.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  PID:4012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  PID:1760

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

biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 124KB
SHA256 04565d9200da05de65a0e8f51c3f53e4488973a4b8cd6e763d3605b46d9a5045
MD5 c4eca214e56ef15b6106b5bcbe4b8fc6
SHA1 ca3710d036a09d066762e3a9450f5c0f7a1407bd
SHA512 703242a69081b5f1a72efcd54fad15e2ddadc540f98e8ac8e5e440d065db6571714dd5da557a1c52e3d9a7416862019d07dcd186b8c0c39d5a0dd27fa2fdc234
SSDEEP 1536:DVih9jjOABjWAqUffzNoBcTwE/sNW4Am8NsuPz4cnSXsWjcdy6YAiQ45sIssX:DVSRBPCoLY5RIzNdy6YO45n
MD5 SHA1 SHA512 SSDEEP

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biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 64KB
SHA256 b17d384fdbdf255c0d29443e4094ec4f3dc16239ac56b5667d3540354c99487b
MD5 7f250f42fa9c5fdf6f895470a029e793
SHA1 92ea388494a6f4c3c8bd90dd78a9dadc613e8d8f
SHA512 40b1883ce2305c79e6817de75f999524e7ab7407272db55bf314eb2c931e0f58d9bdfc787ff1d28c727e58370a46da212c49b8796d08aaa23c9d850b1ee11cd3
SSDEEP 768:4tDKh7rihoemKjoquABjQzVkBif03phaee7fdf67f9tzNoBcrG3/67vw0Jn6PJC1:DVih9jjOABjWAqUffzNoBcTwE/sNW4AR
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46
MD5 b4a86880004da8726288d7ec954885a8
SHA1 1bab1cfbdc2c540246210bc7852f8fe7e8357b31
SHA512 22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 338B
SHA256 43e1c0e3f7b4d65816244ad0cbc8a3b2181494607fc00acaedbffc070ba669f2
MD5 aa217cdbd74df0335387d7d13bb22785
SHA1 b31b56404784a680d20fc89b82b2ea157a5344bd
SHA512 3fdcab9fb86007e28552cbde31504f9167456f08637541a78518e6ef7d15518ac01da0fdf267164727aae7db4a866a4a9b732bf255721533fc1e5a04ad496157
MD5 SHA1 SHA512

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memory/3048-0-0x0000000000790000-0x00000000007B8000-memory.dmp

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memory/3048-14-0x0000000000790000-0x00000000007B8000-memory.dmp

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memory/4012-12-0x0000000000300000-0x0000000000328000-memory.dmp

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memory/4012-17-0x0000000000300000-0x0000000000328000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads