urelas | accf7142aadfa962d7d9b6429c187f947d4dfb18b1efce16ffc7bfd3a783243b

Analysis

max time kernel
92s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2024, 23:26

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General

Target

c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe
Size

135KB
MD5

c4d388d5c665a255bfca5e23cfd64c64
SHA1

ecea4051eb5b16bd2c9fd38bf63683b670036050
SHA256

accf7142aadfa962d7d9b6429c187f947d4dfb18b1efce16ffc7bfd3a783243b
SHA512

6bb24aafc815062039d7f4a80b2cd5237f07b511d35cb0bc0e5fcbb2e00233c1936fead32cf879b2a9f57d42795dbfb8d1cfaf9a20a00943af1d26427a9b0372
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APW:P/5kqCxiXEcO3XfGf2tMUf6odgR5AO

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4384	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	c4d388d5c665a255bfca5e23cfd64c64_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 2528 wrote to memory of 4384	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	83
PID 2528 wrote to memory of 4384	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	83
PID 2528 wrote to memory of 4384	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	83
PID 2528 wrote to memory of 3136	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	84
PID 2528 wrote to memory of 3136	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	84
PID 2528 wrote to memory of 3136	2528	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- 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:4384
- 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:3136

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
136KB

MD5
125d54a2b63df31ab0d212f996492aad

SHA1
fd0cdf7bbe523021c42ff002c11e28926c0e58ba

SHA256
090b4c6b4f3463f0ef05b8286d182d42842c1337619bf9f655a4a4baa43bff0f

SHA512
c3be58cd5fd7648b168c6dd2a6050d79b21564dc091664c2e794c52e99e697cb188214d7f87c94f7a778b84b99c63daa0d622099adc306c0c84e00e19521428b

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

Filesize
512B

MD5
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
302B

MD5
3ff7297904c42d484f2cb8967ae6e394

SHA1
f65da51dc90d6dcfbf371de33d2e776e99a36536

SHA256
00fbd9e6d871519842087de759d2a511c8e406cc09759e36339872f764b4cadb

SHA512
a1ad7785ad5c305369c61ae5402ddd1520fc826631bfa2e0f08d421d98df373e2f51ab5a320ad2abec75efe67a9f5ce38a91ef394badb513cc02899514db6249

Download Submit
memory/2528-0-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

Filesize
156KB

Download
memory/2528-17-0x0000000000CC0000-0x0000000000CE7000-memory.dmp

Filesize
156KB

Download
memory/4384-15-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/4384-20-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download
memory/4384-21-0x0000000000490000-0x00000000004B7000-memory.dmp

Filesize
156KB

Download