urelas | 033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:21

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General

Target

033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe
Size

60KB
MD5

d6a7907dab1f4a9f29ccbf821bf8f4e0
SHA1

925556045f03dd5e8272fc50f9583c496b1e10ee
SHA256

033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6
SHA512

6c531aec2dcda2074f0ae0b99ce9972cf6955f4db06a9c643a3445c789564c3e26a8fb30c40ae78a9cb1bd21927f329b016cad31987f701372f0a3993548b29a
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPu:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd1

Score

10^/10

urelas discovery 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe

Executes dropped EXE 1 IoCs

pid	Process
3844	biudfw.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 3 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	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 3844	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	82
PID 1108 wrote to memory of 3844	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	82
PID 1108 wrote to memory of 3844	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	82
PID 1108 wrote to memory of 1408	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	83
PID 1108 wrote to memory of 1408	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	83
PID 1108 wrote to memory of 1408	1108	033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe	83

C:\Users\Admin\AppData\Local\Temp\033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe
"C:\Users\Admin\AppData\Local\Temp\033e8929d659f887634d806f1c5e1c0395dde54068ca35df69ab2b0db491ebd6N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1408

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
60KB

MD5
4d91411a77a19dcf1c68825ba93d733e

SHA1
a54e47a8545695f74ad73345e0069614878ff874

SHA256
6c11d327ed9ba9aa81d6fb5aa1ca1dd2952268c6da58a01c507787e149427cf3

SHA512
eb4e6e428c7254544d2f8b1ea4c6cfe83d674e0e1264ef9f7e0e4efd96da71c9f990001e3937a7660f39109873e747e648d54227912c1f813b4aa7c3e9803fe6

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

Download Submit
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

Filesize
340B

MD5
9261d0d04b9005527106e68a3f8c02fc

SHA1
dd54a10265982ce47e7ced9221c7dd82591b5ee7

SHA256
fa4bd1fe4368631f2c2e74c29c85d464d034448f2f0ff3cc543011681ec3b1a7

SHA512
97151645f0a8222146e5daad827cbee63736e2ab82f674a8acff51a924c8b40561dd8c444e59004630d2e2a7f4d5830a25e8e1d2b5b81395f3eeb3227b318c51

Download Submit
memory/1108-0-0x0000000000BF0000-0x0000000000C25000-memory.dmp

Filesize
212KB

Download
memory/1108-15-0x0000000000BF0000-0x0000000000C25000-memory.dmp

Filesize
212KB

Download
memory/3844-9-0x00000000009A0000-0x00000000009D5000-memory.dmp

Filesize
212KB

Download
memory/3844-19-0x00000000009A0000-0x00000000009D5000-memory.dmp

Filesize
212KB

Download
memory/3844-21-0x00000000009A0000-0x00000000009D5000-memory.dmp

Filesize
212KB

Download
memory/3844-28-0x00000000009A0000-0x00000000009D5000-memory.dmp

Filesize
212KB

Download