urelas | 4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f

General

Target

4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe
Size

55KB
MD5

b31e33f18a671f6dcb661de3eb5da035
SHA1

6ce0726df71be8885e0918045787410d127b51de
SHA256

4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f
SHA512

f70b364a6ef8b7b0ad56e0158e05c9b27d30ff3f9e433a621888a6aa17cd6fa21ec348b9c6361149925c3b481edcc5d63e182ee28e44349efa67299dadef2d4d
SSDEEP

1536:qw788avzI+on+TqOK0cHMqtzMLvWsrupwnTf1GqT76:qwda7KVr0cHneunw16

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

1152 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2524 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe

pid process

2372 4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1152	cmd.exe

pid	process
2524	biudfw.exe

pid	process
2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.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:

biudfw.execmd.exe4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe

description	pid	process	target process
PID 2372 wrote to memory of 2524	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	biudfw.exe
PID 2372 wrote to memory of 2524	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	biudfw.exe
PID 2372 wrote to memory of 2524	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	biudfw.exe
PID 2372 wrote to memory of 2524	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	biudfw.exe
PID 2372 wrote to memory of 1152	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	cmd.exe
PID 2372 wrote to memory of 1152	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	cmd.exe
PID 2372 wrote to memory of 1152	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	cmd.exe
PID 2372 wrote to memory of 1152	2372	4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe
"C:\Users\Admin\AppData\Local\Temp\4075af41ee875cd5516543255c2bba7406652ccea2b4bae93802f8c95b9f2f9f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- 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:2524
- 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:1152

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\biudfw.exe

Filesize
55KB

MD5
f6cc135f55876f29e453b2783126370f

SHA1
40698c11d5c3bfc67a0617a6ee6061d220995e35

SHA256
e78bd7c1223d83f5de049d0c9949c37878ecb2517808c4982fdbe8fed1df8e2d

SHA512
29d1a17c585220967ae70f035e9177babe73fdba65a902d37d821ef1f247fd334f62d0a760cb8f303c757a1b17e936a24882d5e56c7da467a0900c6b0e9c26d5

Download Submit
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
5cfa9577e1db71a0f8bea582ced27977

SHA1
4564df90ca7662c107635beb743fa2ada0cadf0f

SHA256
f04e34c0bcc9b1d27986170736a02761ec3c297a229c001a9c476cf2c6a5e1f7

SHA512
69783177fb77467908c278523aa4712f16bf4d22e0b241ea4af2242e29e02ab8d331e7934dccd3920ea37c40c2350b6a653635154dfe5829a6c5e47cde85831b

Download Submit
memory/2372-0-0x0000000000F30000-0x0000000000F61000-memory.dmp

Filesize
196KB

Download
memory/2372-17-0x0000000000F30000-0x0000000000F61000-memory.dmp

Filesize
196KB

Download
memory/2524-18-0x0000000000810000-0x0000000000841000-memory.dmp

Filesize
196KB

Download
memory/2524-21-0x0000000000810000-0x0000000000841000-memory.dmp

Filesize
196KB

Download
memory/2524-24-0x0000000000810000-0x0000000000841000-memory.dmp

Filesize
196KB

Download
memory/2524-31-0x0000000000810000-0x0000000000841000-memory.dmp

Filesize
196KB

Download

Analysis

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