urelas | 7bc667f6b0abaa040977919b96ed061e9e245612042aa587cdb14e4b5cf9a627

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 09:09

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General

Target

82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe
Size

59KB
MD5

82931e46f5f01fd16a70796f601a4794
SHA1

e3e4952fbcc0715ca20a113f8c2ae46b12975c08
SHA256

7bc667f6b0abaa040977919b96ed061e9e245612042aa587cdb14e4b5cf9a627
SHA512

d78c9525acda8d1b862a7738291d6d7a3a2994380b71cc83bd5001fd966ac6f169f69abd1d375337f175073e18558ea79ab3001e0cc1b2a2c02ea7f63d479fc6
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPI:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdom

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

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
652	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2284	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2284	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2284	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	31
PID 2628 wrote to memory of 2284	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	31
PID 2628 wrote to memory of 652	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	32
PID 2628 wrote to memory of 652	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	32
PID 2628 wrote to memory of 652	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	32
PID 2628 wrote to memory of 652	2628	82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82931e46f5f01fd16a70796f601a4794_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2284
- 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:652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
59KB

MD5
292b087465882138be6027ca668bf2bd

SHA1
d87ce2e98c98d29cdfbbae77e9ba4d51b827b626

SHA256
e3bfc862cc7079f967810d7c28eb81295e830fcf2e42d8345b41a37c3c0dd60c

SHA512
0e31ddf5d32af2e0dc9ec5d7e8a7abd09928b1794a663c8fe07f16862d21fa0eed92eb5700d693e1200d09650a45bbba7169bed33d098cbe6f0e1d8a9819a086

Download Submit
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
302B

MD5
3d53c11f902e9a542986994b67bae870

SHA1
5f0e8ac73ad76e2b2f92d4c9f2aa9ec31dfe720c

SHA256
2071d75faab142eef7c575f5f32f18bc158ba87c2d9edd919cef9ad53e92a631

SHA512
afe5e909ab6e3dec0f120fe13d8525170c72870d418c74f4659648df726ad7d678efcff21f01538018f5fd782b4ce9078f9bc0fa0e4c84dc5c465f57aac0fb5f

Download Submit
memory/2284-21-0x00000000008F0000-0x0000000000925000-memory.dmp

Filesize
212KB

Download
memory/2284-23-0x00000000008F0000-0x0000000000925000-memory.dmp

Filesize
212KB

Download
memory/2284-29-0x00000000008F0000-0x0000000000925000-memory.dmp

Filesize
212KB

Download
memory/2628-0-0x00000000002B0000-0x00000000002E5000-memory.dmp

Filesize
212KB

Download
memory/2628-6-0x00000000008F0000-0x0000000000925000-memory.dmp

Filesize
212KB

Download
memory/2628-18-0x00000000002B0000-0x00000000002E5000-memory.dmp

Filesize
212KB

Download