urelas | 7cbb762112ac930f5da01062e6095bd6c87c955fcc7d6346a51f462dd19fc502

Analysis

max time kernel
132s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2024, 07:52

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General

Target

7881d950eabc4d268062578357b444f1_JaffaCakes118.exe
Size

59KB
MD5

7881d950eabc4d268062578357b444f1
SHA1

447d963e8f265a1523e450156aad12239a347c9b
SHA256

7cbb762112ac930f5da01062e6095bd6c87c955fcc7d6346a51f462dd19fc502
SHA512

aa32290259d99bebd7bbcb5fab98799a4435cc45df2b7c69a685b93dc741ed117514dd208d2b4757079266d568aa34cd079f8e0b27abf3c604e72db5221dee6d
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPA:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdr

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

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
228	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	7881d950eabc4d268062578357b444f1_JaffaCakes118.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 6 IoCs

description	pid	Process	procid_target
PID 3908 wrote to memory of 228	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	90
PID 3908 wrote to memory of 228	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	90
PID 3908 wrote to memory of 228	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	90
PID 3908 wrote to memory of 1652	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	91
PID 3908 wrote to memory of 1652	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	91
PID 3908 wrote to memory of 1652	3908	7881d950eabc4d268062578357b444f1_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\7881d950eabc4d268062578357b444f1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7881d950eabc4d268062578357b444f1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3908
- 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:228
- 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:1652

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

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

Filesize
59KB

MD5
55026abe794d488efe7b46f0a6e1d6a8

SHA1
bf1a6cfd3a24520c7a5f0003c23715cce709bf47

SHA256
4546b1aa5627438351ea0b2c550e565a6a490fbaf2e7735f862a3c4d47f147d1

SHA512
8c55542251ccdb0d0846f9ee9cb7f1d1d907e27ad02610dd303400b4794e3e2bffa4d60c284d63110375b01243d7fa9091639c3d0dd92c8c0591313adbced955

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
61a82c8d12a0bda95e0d48bf9d67473a

SHA1
630a8581c95736ed792a60045004e20c189d7d77

SHA256
547ea7ba8fcdec933d9886a38f18db15d0291cfc3a3285e3ce6741be28a2ba39

SHA512
fef24797c7c6a81eee38d42c1fb84c44142e486c663be1768fa41293f51e586fed5b089939c584503c538843fdf05435c0303d8966c2859d55130ab3e43f0b4a

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memory/228-10-0x0000000000750000-0x0000000000785000-memory.dmp

Filesize
212KB

Download
memory/228-18-0x0000000000750000-0x0000000000785000-memory.dmp

Filesize
212KB

Download
memory/228-20-0x0000000000750000-0x0000000000785000-memory.dmp

Filesize
212KB

Download
memory/228-27-0x0000000000750000-0x0000000000785000-memory.dmp

Filesize
212KB

Download
memory/3908-0-0x00000000004A0000-0x00000000004D5000-memory.dmp

Filesize
212KB

Download
memory/3908-15-0x00000000004A0000-0x00000000004D5000-memory.dmp

Filesize
212KB

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