urelas | 1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6

General

Target

1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe
Size

48KB
MD5

d6bf5d60b44618978503a040a5532224
SHA1

d83131212352901df3140ea7c77e808c7bae9e8d
SHA256

1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6
SHA512

2be6ae1afc899dae34cddae9b53fae62993de67ff78dfb7d42c0a48fde3a20e6105ded37e6bcbbf8ae895311a1bbae265b08fef483ae0cb0d8a59b19c40787f9
SSDEEP

1536:Op4/PC7Ruz3hRXRASULZ6JKYdbzcm6lMPR9nE:Qt7R8fU6nWs3E

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2740 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

okoser.exe

pid process

2500 okoser.exe
Loads dropped DLL 1 IoCs

Processes:

1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe

pid process

1852 1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2740	cmd.exe

pid	process
2500	okoser.exe

pid	process
1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.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:

cmd.exe1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exeokoser.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	okoser.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe

description	pid	process	target process
PID 1852 wrote to memory of 2500	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	okoser.exe
PID 1852 wrote to memory of 2500	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	okoser.exe
PID 1852 wrote to memory of 2500	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	okoser.exe
PID 1852 wrote to memory of 2500	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	okoser.exe
PID 1852 wrote to memory of 2740	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	cmd.exe
PID 1852 wrote to memory of 2740	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	cmd.exe
PID 1852 wrote to memory of 2740	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	cmd.exe
PID 1852 wrote to memory of 2740	1852	1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe
"C:\Users\Admin\AppData\Local\Temp\1426fa71c4361e62b95dd48e571bd9bc9de984823c11ad0023a830eb252c46c6.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Local\Temp\okoser.exe
  "C:\Users\Admin\AppData\Local\Temp\okoser.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2500
- 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:2740

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
0b43271388568b7282d66a2022f2bb0e

SHA1
695af294c1646f82e9c8a319d1650c272d461e2a

SHA256
773878c526d8643ae94343d9a082c0cc75596a3b1bdce71691010908d42cacc5

SHA512
1708dbd74eb867a0a1516ddc9e9edc06b2ec902695611ad0670ef1a706d9661344ed71c44cebed87146f85683d8742d42d9b1ede934ebad828191a045e131321

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

Filesize
338B

MD5
e0b5593673bbf0c0bc8591381c9d8546

SHA1
856cc2d283b74b3b83521d37556b685d795cdc3f

SHA256
aaf5d0f341f34766eb6d7b32a4519e2addd56ea4845378790e91800fbf0884c3

SHA512
2db0f8f262b1f90893d64d4fff8bb17292f9222af9516a18ada3566202637136e78ca5510a3e843ad81bdc495a4dcf5587a2f084d0e35edd36a441c49026f085

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

Filesize
49KB

MD5
d414cf8c35a4a084d74e15d34841bcb9

SHA1
f9ff2f79ab8d05f184e8affb016740066ca79562

SHA256
65699cadbf1bfc325b5cda01eb289da98be01260dc9e5dd32bafca0d5c6ed0b3

SHA512
6c0aa780bd00d920b14fead146ac8cabc4f737dc1376daff5bb65fcbd627db31e72c9230093cf3916d4e88b7c6944cbbbbd2ad24ab28529b720adbc491b0f6fc

Download Submit
memory/1852-0-0x0000000000890000-0x00000000008C3000-memory.dmp

Filesize
204KB

Download
memory/1852-7-0x0000000000770000-0x00000000007A3000-memory.dmp

Filesize
204KB

Download
memory/1852-19-0x0000000000890000-0x00000000008C3000-memory.dmp

Filesize
204KB

Download
memory/2500-16-0x0000000001090000-0x00000000010C3000-memory.dmp

Filesize
204KB

Download
memory/2500-22-0x0000000001090000-0x00000000010C3000-memory.dmp

Filesize
204KB

Download
memory/2500-24-0x0000000001090000-0x00000000010C3000-memory.dmp

Filesize
204KB

Download
memory/2500-31-0x0000000001090000-0x00000000010C3000-memory.dmp

Filesize
204KB

Download

Analysis

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