urelas | aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e

General

Target

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
Size

60KB
MD5

53b683df4a39a374ad1dc4dac7c309cf
SHA1

54039858b84d2709b51652132d51ff0a43c5614e
SHA256

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e
SHA512

36fc17df508f63929ee56e2e625240c6014886a6dca0e59a901daafa068554454bb0d96abdd8a5adc3672fb4790900058d3e7d65a856f1a4247d04bfb99359a8
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPn:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd5U

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

2780 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2808 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe

pid process

2420 aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2780	cmd.exe

pid	process
2808	biudfw.exe

pid	process
2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.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:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.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:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe

description	pid	process	target process
PID 2420 wrote to memory of 2808	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 2420 wrote to memory of 2808	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 2420 wrote to memory of 2808	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 2420 wrote to memory of 2808	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 2420 wrote to memory of 2780	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe
PID 2420 wrote to memory of 2780	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe
PID 2420 wrote to memory of 2780	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe
PID 2420 wrote to memory of 2780	2420	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
"C:\Users\Admin\AppData\Local\Temp\aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- 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:2808
- 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:2780

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
fcef283922ae34634d894852b925a9ab

SHA1
e4cd4a4eb8d4236159e9370769f14654d4229b4c

SHA256
aa4cf57939d1b21227b7727daa2f0442924c5b929d56da3090eb3d4b0804312a

SHA512
ac7bb5659b1174c4e8b3ab3a5e2af7937936801e63efd1f77bcc61526064a5a9b7b32ba0615aca2bc40921586a5d575a1f5acb1c5480f6b674ae76805f12e176

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

Filesize
60KB

MD5
20959550933a50f638adfa24daf3af3e

SHA1
30054bd2f670de8c0300b2eed9a29320002c3f06

SHA256
6b21bb14755774a34cd7ce64c784a14d7513a6f608eac49dbaf4e7053caf6cdb

SHA512
1cb5ff7466943dddc4a906aea94ecdc4e864e450f541226c879d0323105c52fafe68a53a9439416e5a32800d07bbe8e83f8932fbf424afc1c5d498b89a95ca03

Download Submit
memory/2420-0-0x0000000001010000-0x0000000001045000-memory.dmp

Filesize
212KB

Download
memory/2420-9-0x0000000000980000-0x00000000009B5000-memory.dmp

Filesize
212KB

Download
memory/2420-19-0x0000000001010000-0x0000000001045000-memory.dmp

Filesize
212KB

Download
memory/2808-10-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2808-22-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2808-24-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download
memory/2808-30-0x0000000001140000-0x0000000001175000-memory.dmp

Filesize
212KB

Download

Analysis

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