urelas | a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872

General

Target

a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe
Size

57KB
MD5

bdf0b1396561fba8fb27d3f4b0b8ed41
SHA1

a4bacf1ad91282a0d85d39f695c088e8dc8d1530
SHA256

a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872
SHA512

6cbb8f4a25a67723ddb146ef0cd18ddc55599cc751624661f9b016c333dad4adfcd5148be92bd7c3b1c0a247ee14ea65c016b9f9e98364b42ecd0904f7e3ffb0
SSDEEP

1536:MQPzemdaNqAPG17k74qlmbbVgYyvxcd5jnGWqN7kS8Ne:MOemdTd1o74qlmbbJ+x+Ikm

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
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
2596	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1040	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.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	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.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 2404 wrote to memory of 1040	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	30
PID 2404 wrote to memory of 1040	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	30
PID 2404 wrote to memory of 1040	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	30
PID 2404 wrote to memory of 1040	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	30
PID 2404 wrote to memory of 2596	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	31
PID 2404 wrote to memory of 2596	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	31
PID 2404 wrote to memory of 2596	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	31
PID 2404 wrote to memory of 2596	2404	a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe	31

C:\Users\Admin\AppData\Local\Temp\a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe
"C:\Users\Admin\AppData\Local\Temp\a87a888a40ed1ac3de8fcfe2528b51a2097a4a25840bc0da213083f33161f872.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- 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:1040
- 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:2596

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\biudfw.exe

Filesize
57KB

MD5
70a5529657e2298c2d7a566e18e9be04

SHA1
d06e81b1c9fc324dfd7e9e169b1af694ba7aca04

SHA256
84df31c03dc1ac8497dd180eb8955bb9fca29b4538ee96b97c332213a9029bac

SHA512
382eb5bf4bdcdd11217dd48a225f3564120ffa68a79beefbc9e0a91b6e3634eb22fbf6f26a1c71d5367402ebcbec64b0a8bdc63193217397a345f2fd0b8e689f

Download Submit
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
d7422754bbf7eadb3322464345f79c3c

SHA1
361ce840408625b507020ac9c4e8266c561ac3e6

SHA256
56d2b1f51f313d18df3b7a05d7d14d4fd7f189b050fecf1b4971095c557c179a

SHA512
99e889b4496bab4f45cff1e7e8c28a0c956cc5ecd3b24189298c446e14d6560d50876d4589b08a99c53a8e6c5663c1adb087cb0da4fe77e9c5af3d59971b2368

Download Submit
memory/1040-16-0x00000000010B0000-0x00000000010D6000-memory.dmp

Filesize
152KB

Download
memory/1040-22-0x00000000010B0000-0x00000000010D6000-memory.dmp

Filesize
152KB

Download
memory/1040-24-0x00000000010B0000-0x00000000010D6000-memory.dmp

Filesize
152KB

Download
memory/1040-31-0x00000000010B0000-0x00000000010D6000-memory.dmp

Filesize
152KB

Download
memory/2404-0-0x0000000000C00000-0x0000000000C26000-memory.dmp

Filesize
152KB

Download
memory/2404-10-0x0000000000500000-0x0000000000526000-memory.dmp

Filesize
152KB

Download
memory/2404-19-0x0000000000C00000-0x0000000000C26000-memory.dmp

Filesize
152KB

Download

Analysis

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