urelas | 1ffcd40bf39d3e4b7c8f023c056ca76fb84b36026bf680af3dd3bb87d91f90ef

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 20:03

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General

Target
0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe
Size 60KB
Sample240328-ystnmsfc5v
SHA256 1ffcd40bf39d3e4b7c8f023c056ca76fb84b36026bf680af3dd3bb87d91f90ef
MD5 0ed9fd9d82cc422107a54b074423b968
SHA1 16b89a00526f47ab51983a3526826aa0880bf913
SHA512 c72a1f4956e338d6e7dbcc4380a8caf50135cf65035a253c5638803a8793ca297dd57b897700d8b6cc2a4b3155d253d83f4ab4d22a4592a936284dd051f5e528
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPz:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdan
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas 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-1-5-21-609813121-2907144057-1731107329-1000\Control Panel\International\Geo\Nation	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2636	biudfw.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 484 wrote to memory of 2636	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	88
PID 484 wrote to memory of 2636	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	88
PID 484 wrote to memory of 2636	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	88
PID 484 wrote to memory of 1720	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	89
PID 484 wrote to memory of 1720	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	89
PID 484 wrote to memory of 1720	484	0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0ed9fd9d82cc422107a54b074423b968_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:484
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2636
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  PID:1720

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

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 60KB
SHA256 d0add0ea73aca89def6011ed19d427bc5cca3d9ca52b1cb43a2f00c0348b7994
MD5 4d49b3138a03632a2231b08a94ecaabc
SHA1 4e719c45423536f7bbf0572b65d5bd730b05c868
SHA512 e5b1a119b8dcbc6f634e9b164192f9ad8e00636518d6112e13d08ed7d26bb3821e56a6ead8ba9585b6b95410019f407e819c1d19152664e3160fe7590d6e570d
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPK:nK0GjMeQG3iaQREuVZ6ro29p4YxbKda2
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 b5c6298a9e3e769976e56a78943f7cbca074facef5a58af1829e95afeea37c5a
MD5 97e5b29f0f5cdf0ea339f4f20d38d693
SHA1 bfbf27b239931f8bc3288ab059e8d58b2f121af5
SHA512 c028b6312a95ae7a68da475367341ac645a182bf292c1ccb5090be759e06e94b7d200f39b7b2dec84b1c64a7b4ee42e5b39f0074e02c100cf9ca0c5fcc12812b
MD5 SHA1 SHA512

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memory/484-0-0x0000000000130000-0x0000000000165000-memory.dmp

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memory/484-14-0x0000000000130000-0x0000000000165000-memory.dmp

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memory/2636-13-0x0000000000820000-0x0000000000855000-memory.dmp

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memory/2636-17-0x0000000000820000-0x0000000000855000-memory.dmp

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memory/2636-19-0x0000000000820000-0x0000000000855000-memory.dmp

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memory/2636-25-0x0000000000820000-0x0000000000855000-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