urelas | f55565628e4868db116845182a1cec78ad86014d3f0b9255d141e32fb0781e05

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2024, 14:03

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General

Target

5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe
Size

192KB
MD5

5cfcd8adb38de8f24e9d00b3492ccc86
SHA1

b0d69d43695e044d03dfba9eea63af58e674d61f
SHA256

f55565628e4868db116845182a1cec78ad86014d3f0b9255d141e32fb0781e05
SHA512

4e65ca151973c9d70d8468f7bc83c09fab4a72a0349621ec04a47ed23566f17bdd81fc2ca6b4f6b8544b65d7d4778ab53b14581e728d20cdf519fdfa2e1c5967
SSDEEP

3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhf:gExhk7rh7NEOIYWlPM6r6f

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4324	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	5cfcd8adb38de8f24e9d00b3492ccc86_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 4496 wrote to memory of 4324	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	91
PID 4496 wrote to memory of 4324	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	91
PID 4496 wrote to memory of 4324	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	91
PID 4496 wrote to memory of 3164	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	92
PID 4496 wrote to memory of 3164	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	92
PID 4496 wrote to memory of 3164	4496	5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5cfcd8adb38de8f24e9d00b3492ccc86_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4496
- 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:4324
- 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:3164

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
192KB

MD5
f6d22eb24c94af7e6c6237bbbc1d225c

SHA1
f5e3f91379781904cefd7f082096db9cade009c9

SHA256
5893a66917540ad68c0c0d11a565a72a1274baa5ebc17f949c248d79e1938a96

SHA512
cdd93167d4dbdaf546312dbbca2fad4fa603d3985358d88ef7ad05633e6cc404b35cd5cdc8668c5c745a609548a55af6baa7ab77d623754b5a9f5c47dce1ea10

Download Submit
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
2776cde4761cefd1198f4712989957b1

SHA1
c801245a080524e704e8e3da95700e58e9d1ca3c

SHA256
69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

SHA512
bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

Filesize
302B

MD5
27fea5448b11d53b9fe6488ff9c04415

SHA1
e023da5aff3f7bdeb0064f6f1486b7b13d3ed2d3

SHA256
0d04ea4e5ca097d25b3a2581b0ffc7a71022b77eea66763851782c665efede4b

SHA512
4974be51e196c35ae3fa6b0f51c640b8197c31a4615eccf6fa371fed7acf39b0df0d74b3ac290173e81f9f6d847a5eb963dad723fb8e8c93616f781821fbeeda

Download Submit
memory/4324-10-0x0000000000A70000-0x0000000000AA4000-memory.dmp

Filesize
208KB

Download
memory/4324-17-0x0000000000A70000-0x0000000000AA4000-memory.dmp

Filesize
208KB

Download
memory/4324-18-0x0000000000A70000-0x0000000000AA4000-memory.dmp

Filesize
208KB

Download
memory/4496-0-0x0000000000430000-0x0000000000464000-memory.dmp

Filesize
208KB

Download
memory/4496-14-0x0000000000430000-0x0000000000464000-memory.dmp

Filesize
208KB

Download