urelas | 66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a

General

Target

66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe
Size

55KB
MD5

5bb4304841ab726ef0a7ac1acc240ac5
SHA1

99b0cb5f3769e5c88b1f816c75e831669d8ca719
SHA256

66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a
SHA512

31e2dee40e1970b729a1ec673d9db0b4e4585478e4f6b533763a6c0cad8639a310294b34b2b7273793a08879ab807e32bd46be8e07d3827ef6c31f60b84a59aa
SSDEEP

1536:qw788avzI+on+TqOK0cHMqtzMLvWsrupwnTf1GqT7K:qwda7KVr0cHneunw1K

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

2540 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2312 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe

pid process

1204 66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2540	cmd.exe

pid	process
2312	biudfw.exe

pid	process
1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.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:

66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.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:

66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe

description	pid	process	target process
PID 1204 wrote to memory of 2312	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	biudfw.exe
PID 1204 wrote to memory of 2312	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	biudfw.exe
PID 1204 wrote to memory of 2312	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	biudfw.exe
PID 1204 wrote to memory of 2312	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	biudfw.exe
PID 1204 wrote to memory of 2540	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	cmd.exe
PID 1204 wrote to memory of 2540	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	cmd.exe
PID 1204 wrote to memory of 2540	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	cmd.exe
PID 1204 wrote to memory of 2540	1204	66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe
"C:\Users\Admin\AppData\Local\Temp\66fa0442e1c3091916a48ccb90a5cc141cc00add8a1235b6a71422dd114a988a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1204
- 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:2312
- 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:2540

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
0750e4580a3e9076e82bdc6ad33ba927

SHA1
b1e526b3833feda0e3b0738c6865fdac6360bf07

SHA256
74428e568204ea0d1c31570864cb96b1c2b672880f7575220957bf5fc2b24d89

SHA512
303b2cb8e644b336d7bf0892eadc84b414afdc41216719721aa0cf27fc18ecea1a2e943f07813c41d55c4166e489f89ec61a4fcead679ed3de8b323ecb42a8d9

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

Filesize
338B

MD5
6d82a70706fce362aeb99969bb736dc0

SHA1
103744fa674a3dee484eb1643c0919ba3aaf729a

SHA256
d23d89dc05fcca0edeae84fd9096f82d835ffc3fa18336fd09e7b447e65cc73d

SHA512
47e3d78e39991d2ca69de5c7aaaea813bad60eee6f85ed7ffc2953bc3d621fcee6c5f1c02eb406e79c767de2f22d0f252759ca842a1b8475b84389512d4a1629

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

Filesize
55KB

MD5
285df8cad8f96dd3c8796c6c12077ce5

SHA1
a64dc6c0fa5109daded101799bde610f43c03129

SHA256
41dbfcc71afed5e2c89c828de5649d654358bbfab61207d21a12f2b4a7fbfe19

SHA512
94e0d0f477c8b59cf15a26768b75ae23860e59eef2761369efab19fa0fc5d7413b3add38795b8598dcdc48843b41914e061475358085d4734d3c8979b15863f1

Download Submit
memory/1204-0-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/1204-8-0x0000000000940000-0x0000000000971000-memory.dmp

Filesize
196KB

Download
memory/1204-19-0x0000000000DE0000-0x0000000000E11000-memory.dmp

Filesize
196KB

Download
memory/2312-16-0x0000000001030000-0x0000000001061000-memory.dmp

Filesize
196KB

Download
memory/2312-22-0x0000000001030000-0x0000000001061000-memory.dmp

Filesize
196KB

Download
memory/2312-24-0x0000000001030000-0x0000000001061000-memory.dmp

Filesize
196KB

Download
memory/2312-31-0x0000000001030000-0x0000000001061000-memory.dmp

Filesize
196KB

Download

Analysis

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