urelas | 836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 22:48

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General

Target

836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe
Size

475KB
MD5

5bda45a12aad3128265a307785d68642
SHA1

28cd0d60564726f6a932b563c59510587a31e04f
SHA256

836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf
SHA512

ea60fbbd169469abcd75ba84b4779cbb1843fc1f7f0af8d0760ec3d5463a1ac888429f87a4507fba5e7422164338cdd6687f40f471c0f081cc1c3b05205d3514
SSDEEP

12288:93CtSokfFGUMKwlTIU/b37dJ75WEe+eKTxB6mZX:9x9GzHlTv/b35tecFB6g

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

121.88.5.183

121.88.5.184

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	sander.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	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sander.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 2996	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	86
PID 4728 wrote to memory of 2996	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	86
PID 4728 wrote to memory of 2996	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	86
PID 4728 wrote to memory of 4704	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	87
PID 4728 wrote to memory of 4704	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	87
PID 4728 wrote to memory of 4704	4728	836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe	87

C:\Users\Admin\AppData\Local\Temp\836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe
"C:\Users\Admin\AppData\Local\Temp\836ab70974363b42bac1efc3107febc7cb063cbd0b473521284f1f1354462abf.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Users\Admin\AppData\Local\Temp\sander.exe
  "C:\Users\Admin\AppData\Local\Temp\sander.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4704

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\_sannuyex.bat

Filesize
341B

MD5
fbf013e1f3dc8909c5806662e13ec8c0

SHA1
4a7a31de3408c23e1de4243ef8c113126cfde7fc

SHA256
81fb42d98f502a99ceb69fb0df9c67cb27c8856d77766b13b7a7a6e1eab28a13

SHA512
9192c250ae4dc3197f913f8dc8455ed15489b0d5100f3e6d39781783acd78b52db43f40b9599ad4ee879806ed066ea593c582f06eeb98461d6817962220668ab

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

Filesize
512B

MD5
145cec05d8d704ff7aa3d812b1aff628

SHA1
097ae09965ed3804359803708b8af87b5b90fcbb

SHA256
66c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea

SHA512
1037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d

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

Filesize
475KB

MD5
781b61f74dbe208d4339190bbfd5a660

SHA1
c2a878a4f714b01c2bb13dc3851567f469ea1cc7

SHA256
95d7498efd61a681ef31dbd852c728082a50e4f4dea06e4b99d9002c6ea98e01

SHA512
da69a492691b7ceb01e90c8ed6c82730de408471e95330963e0c419170df6dfadb6cf4ad9836d2ecc6d5cd31657893424c17d8c94e45c46ed89d2a2d8b182539

Download Submit
memory/2996-14-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/2996-11-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/2996-19-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/2996-20-0x0000000000920000-0x00000000009A2000-memory.dmp

Filesize
520KB

Download
memory/4728-0-0x0000000000860000-0x00000000008E2000-memory.dmp

Filesize
520KB

Download
memory/4728-1-0x0000000000860000-0x00000000008E2000-memory.dmp

Filesize
520KB

Download
memory/4728-16-0x0000000000860000-0x00000000008E2000-memory.dmp

Filesize
520KB

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