urelas | c9d8676deb092ea525559e1744d1b57446ee0564e1d354dbf70e9ae5f052f255

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2024, 18:31

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General

Target
4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe
Size 59KB
Sample241016-w6arksyfmk
SHA256 c9d8676deb092ea525559e1744d1b57446ee0564e1d354dbf70e9ae5f052f255
MD5 4e5e132cab972dceae4555bce432af73
SHA1 36dd23e045ead02f78abddfd73ab299985ed0ed8
SHA512 d57a684f09e7fecb00256273c7c9bedda55dd086921cc36b7bc013160c48ea25d995fe5f27860daa6a30a571e9794215ef85eedab5983bbb4ed123de3b41ee77
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPq:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdd
MD5 SHA1 SHA512 SSDEEP

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5096	biudfw.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	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 5096	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	87
PID 4524 wrote to memory of 5096	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	87
PID 4524 wrote to memory of 5096	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	87
PID 4524 wrote to memory of 212	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	88
PID 4524 wrote to memory of 212	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	88
PID 4524 wrote to memory of 212	4524	4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4e5e132cab972dceae4555bce432af73_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4524
- 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:5096
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 59KB
SHA256 ac33ccac584a2e7f4c188758d041e38378f2f1b186acb341d96c2acfe1e1d645
MD5 f72cb6f1c1a0880fe3a079200a4f3065
SHA1 a16a606f75c56741e079bacb638dd98500f1eae0
SHA512 07121361537e86a58526f5d1995df863d3520f56e11d1b10f5fef04b55ec8ffd3335d80a4d82dddd5a80b36e2a1eac9939fdeec30b9f1dabdceaf6e970ecbac4
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPN:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd0
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
MD5 55e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1 449221fd8d7196a54de2bd583625d8d1b64db56a
SHA512 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 302B
SHA256 2a124509e8c3b956b67a4fc8eb7546371f9d3abc09bf3e9d6194b1bd83722dc6
MD5 4e38de19349d3c0b5a0fbcb705dff747
SHA1 c597617b314d3d57c003eae8154061efe1b408b5
SHA512 1bfa8953b819d692b97e2e3c928dbd4ba734f3c5c1f3e88706b1520c3a713ef52195cd96905777bb6eba5f6f48dc052756b7c0d4ba8193457dc1edcea96beaed
MD5 SHA1 SHA512

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memory/4524-0-0x0000000000540000-0x0000000000575000-memory.dmp

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memory/4524-15-0x0000000000540000-0x0000000000575000-memory.dmp

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memory/5096-10-0x0000000000150000-0x0000000000185000-memory.dmp

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memory/5096-18-0x0000000000150000-0x0000000000185000-memory.dmp

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memory/5096-20-0x0000000000150000-0x0000000000185000-memory.dmp

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memory/5096-27-0x0000000000150000-0x0000000000185000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads