urelas | 88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886b

General

Target

88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe
Size

68KB
MD5

78632bdfe9d5cf884b60a6b801fba1c0
SHA1

3356a1ed5c38806c4182078f93805330994cb90f
SHA256

88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886b
SHA512

0b5b33705fe8f7c907bdf45c6428652155354c173e4307e8d17ea2f8389ffe02b7ed291a335a8f741a80f4d24e020e27c8a40d45952932ec556d07a6685a372b
SSDEEP

1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPeOrm:l//AjMp+u2onejH2PeEm

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

Processes:

cmd.exe

pid process

2864 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2940 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe

pid process

2084 88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2864	cmd.exe

pid	process
2940	biudfw.exe

pid	process
2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe

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

Processes:

88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.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

Processes:

88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe

description	pid	process	target process
PID 2084 wrote to memory of 2940	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	biudfw.exe
PID 2084 wrote to memory of 2940	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	biudfw.exe
PID 2084 wrote to memory of 2940	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	biudfw.exe
PID 2084 wrote to memory of 2940	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	biudfw.exe
PID 2084 wrote to memory of 2864	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	cmd.exe
PID 2084 wrote to memory of 2864	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	cmd.exe
PID 2084 wrote to memory of 2864	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	cmd.exe
PID 2084 wrote to memory of 2864	2084	88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe
"C:\Users\Admin\AppData\Local\Temp\88fa7feef0a78cae6f42599c78f4ee73b4f3e642f157e60aa7a3bc1ae7c7886bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2940
- 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:2864

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

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Downloads

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

Filesize
512B

MD5
a250860c0687ed9dda488805c025a2d2

SHA1
0c181ed3b46463d35631ca169f0928c33a1da389

SHA256
3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37

SHA512
0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a

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

Filesize
340B

MD5
745018ce8dd24a2f4f7fc768f9909c5e

SHA1
9b4445a728d7edfe0c002007393a3cd4d28cee6a

SHA256
ce67fecceafb2857b12305ff32b2a123caaccaec3cd001b6314c22a95753733c

SHA512
4c57cb79627442077e035a73de4a79af65c07a5e68d0f44c6e4008f29ee61509ef9aa269d3bc2cca374b43892c1313cead69637c9b15735761c6e234eaa647e4

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

Filesize
68KB

MD5
2ad61cf70850bc44e873f5c2d9054da8

SHA1
7f6ae2a83660091e13eda0efd0bdc949c44ca876

SHA256
4d3dfaa0b377e0a99c358b5242fe06f44083f9298cba305366de3652efa43aa4

SHA512
f3bce711559bb1c5e0efc734a9d82ea5fb764775a0d09cbfb8d7dca6aba10216258558ae22f062ce761239c0e04e51533f4a94c1f49c38a66f3d9c7ebb9b6ca3

Download Submit
memory/2084-0-0x0000000000AD0000-0x0000000000AF8000-memory.dmp

Filesize
160KB

Download
memory/2084-5-0x0000000000450000-0x0000000000478000-memory.dmp

Filesize
160KB

Download
memory/2084-18-0x0000000000AD0000-0x0000000000AF8000-memory.dmp

Filesize
160KB

Download
memory/2940-21-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download
memory/2940-23-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download
memory/2940-30-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download

Analysis

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