urelas | 5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751

General

Target

5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe
Size

60KB
MD5

4620451a21aac417fee0b887468a9d6e
SHA1

8ace28b0b5d5fd0db148512fc84fe441d5cf62d8
SHA256

5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751
SHA512

6c20af01795152effcde247320cd0cb1749e85de688acd52892ff8593e5c4dd9b864d0e02b97fef689780f17eb778aa0b18e939435a8b7fb69daef973fb0cb4c
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPA:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdb

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
1876	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2512	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.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	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.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 1548 wrote to memory of 2512	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	30
PID 1548 wrote to memory of 2512	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	30
PID 1548 wrote to memory of 2512	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	30
PID 1548 wrote to memory of 2512	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	30
PID 1548 wrote to memory of 1876	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	31
PID 1548 wrote to memory of 1876	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	31
PID 1548 wrote to memory of 1876	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	31
PID 1548 wrote to memory of 1876	1548	5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe	31

C:\Users\Admin\AppData\Local\Temp\5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe
"C:\Users\Admin\AppData\Local\Temp\5a0d64fc49ad51b5d3e985978e013426594e0f7f6b639c4bf3a5267c2fd17751.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- 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:2512
- 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:1876

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
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
e715e60d5bfd0fd1653db2e7ebdd711b

SHA1
e1811a12fa203173077d9215ab1a00deed3548bd

SHA256
b82aff41df6755ca8b1d77b813b2a493552edb870a18c6f8bd3d3e19bed2b9f1

SHA512
cc39251716db9961a3102b51463b9ca7f25b04bdb4173664ef51b9a1b5077407a6e108ad822f250951cc490b5d54da297c526993abdfd660ccc969ae864a4762

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

Filesize
60KB

MD5
b95ff6adcedaf21611594b6203d065ce

SHA1
644c1c9922cc4d1e0f2523825f1a2cca183769bb

SHA256
30454fb7718aacf4997c1e51a3cc07d5876cfffc1a186d6d69b5714fa3b45aec

SHA512
b70926c113fa66e07647e89b3f7dcbce2dcbf2d3435bb12d2a388d8a183e0d5d9b49377919fb20c84a59cb1b2636b09327a405aed7c9b8b7e4a028f07749fa91

Download Submit
memory/1548-0-0x0000000001210000-0x0000000001245000-memory.dmp

Filesize
212KB

Download
memory/1548-6-0x0000000000980000-0x00000000009B5000-memory.dmp

Filesize
212KB

Download
memory/1548-18-0x0000000001210000-0x0000000001245000-memory.dmp

Filesize
212KB

Download
memory/2512-21-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/2512-23-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/2512-30-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

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Analysis

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