urelas | 9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0

General

Target

9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe
Size

57KB
MD5

509aa880ada88285f66c8e41fab9a455
SHA1

a410383aba86bff404be633c294177082cecae15
SHA256

9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0
SHA512

c2c5078262356d4c120df68f3a49dc1bf68ca9f3c6d2b143a9fd963df4ae486ddd0929cd087b027364bb4c97b8cff4b7d6ad7905f046a6e8122f0356d7936b1e
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8Z:MOemdTd1o74qlmbbJ+x+IkX

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2944	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2836	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.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	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.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 8 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2836	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	30
PID 2172 wrote to memory of 2836	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	30
PID 2172 wrote to memory of 2836	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	30
PID 2172 wrote to memory of 2836	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	30
PID 2172 wrote to memory of 2944	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	31
PID 2172 wrote to memory of 2944	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	31
PID 2172 wrote to memory of 2944	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	31
PID 2172 wrote to memory of 2944	2172	9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe	31

C:\Users\Admin\AppData\Local\Temp\9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe
"C:\Users\Admin\AppData\Local\Temp\9f2daca5bb18f82f19206b44d27ca75d6e09289012364a4a3f9b20bb6de3ebc0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- 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:2836
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
512B

MD5
7cdc8777d33db85bc19aefb64879a7f7

SHA1
f2d494d4dfe93a05eb58513935196e8578648adf

SHA256
9af382db716e39144dda99d3d9afbd5df9b65e6a36af229e715c00539bce6336

SHA512
34b075db80bf3704f76f9dd28eedffe88c9b3b5f730c79c27b9908fe2865847ae925487de2dcc1a8566bd3836d3b770ca3831d0b110312376684a92e42c6b48f

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

Filesize
338B

MD5
7c5662e5a4dc128a8eea1a2db3357f87

SHA1
594b317f4d04ce779e0ac494dad8561edcc02e25

SHA256
f52ccb2413de617aaa919b98a010b7dfa04291af43f2e213888bf1d3c2572204

SHA512
398a75dc559d138f01799c3125d6478ae45af6e413140c38ce232601df96155dbdb9d84fe9ec4ea069d9c25c1f3ceee2bf08fb360f8807213b119da8bb00780b

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
57KB

MD5
a8231a125541433a5392a3fa530468f9

SHA1
20fe9e61256b45792a0f446615c4b8adc07bd493

SHA256
edf0bdcd9284c0ca2de57edc692ecbd144818ca474afae0bc34d433ad2ab0695

SHA512
8afb48bdef86d65e3fc03b21b6bff70dd207eec257106e2373d3a04dfe4ba3b6890963ce5ded22ce759fba496e7c78a1672817f8b5cd9c73e070b5ccfdce1789

Download Submit
memory/2172-0-0x00000000002A0000-0x00000000002C6000-memory.dmp

Filesize
152KB

Download
memory/2172-8-0x0000000000340000-0x0000000000366000-memory.dmp

Filesize
152KB

Download
memory/2172-19-0x00000000002A0000-0x00000000002C6000-memory.dmp

Filesize
152KB

Download
memory/2836-10-0x00000000011F0000-0x0000000001216000-memory.dmp

Filesize
152KB

Download
memory/2836-22-0x00000000011F0000-0x0000000001216000-memory.dmp

Filesize
152KB

Download
memory/2836-24-0x00000000011F0000-0x0000000001216000-memory.dmp

Filesize
152KB

Download
memory/2836-30-0x00000000011F0000-0x0000000001216000-memory.dmp

Filesize
152KB

Download

Analysis

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