urelas | 35c589a7a35c6e194c529212e3f314dedbb0df469538e486bc7faf0ce5de7f2b

Analysis

max time kernel
133s
max time network
136s
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, 03:58

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General

Target

778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe
Size

136KB
MD5

778f81ef7b8407bceef623768b15a0f0
SHA1

e3a150a28b6a2425309f5098fccfc90ca31371cf
SHA256

35c589a7a35c6e194c529212e3f314dedbb0df469538e486bc7faf0ce5de7f2b
SHA512

51b2d59239963cd8412cd1d71ede90733deab89e9ef3982ce21ecf7ea7f390445ad3f27accc2b3498e255570f7827bb70258ea0256c7a66ceb8107ea8095e42c
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APx:P/5kqCxiXEcO3XfGf2tMUf6odgR5A5

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	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	778f81ef7b8407bceef623768b15a0f0_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 4176 wrote to memory of 2684	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	88
PID 4176 wrote to memory of 2684	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	88
PID 4176 wrote to memory of 2684	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	88
PID 4176 wrote to memory of 1592	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	89
PID 4176 wrote to memory of 1592	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	89
PID 4176 wrote to memory of 1592	4176	778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\778f81ef7b8407bceef623768b15a0f0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4176
- 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:2684
- 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:1592

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
080ff084983557b5ee02dd6dc61ee1c4

SHA1
73c61071043c1df7fd062f2cea9d97b083b8e336

SHA256
959f3c4e5edecc58bafaba67d060c31ea7ff771533c61b6b2716e9eef5985d13

SHA512
f69ed2d37e1a3d1bd43c089bb841c117ce79ecbe9762aee9e4832b02e9820543d6635099da32c4db43e2dd05e701206384ffe6d0154a7792b0242511e188d2db

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
8aaeddd5d910af5dd4613aae82738960

SHA1
820fe893db49bbb7876fe7291e6a92748f7107f2

SHA256
9756dd96077c614ed29b6f568704950cd6b668f4905906c5fa661bae5e4afeeb

SHA512
fbff0bddd3bb711dc62fb9b7ef023b86e4bb2ae34a8d34add89cd92f0bf6691e033a12108efdd7984594a3fed95aa56581428f772461c3ce39eed677de8e6b85

Download Submit
memory/2684-15-0x0000000000050000-0x0000000000077000-memory.dmp

Filesize
156KB

Download
memory/2684-20-0x0000000000050000-0x0000000000077000-memory.dmp

Filesize
156KB

Download
memory/2684-21-0x0000000000050000-0x0000000000077000-memory.dmp

Filesize
156KB

Download
memory/4176-0-0x0000000000EF0000-0x0000000000F17000-memory.dmp

Filesize
156KB

Download
memory/4176-17-0x0000000000EF0000-0x0000000000F17000-memory.dmp

Filesize
156KB

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