urelas | ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ec

Analysis

max time kernel
105s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2024, 00:23

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General

Target

ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe
Size

136KB
MD5

da2fe9969f2ba1d2773b88a6bb854b00
SHA1

5029bb792b60d969a5a6e75e8edd002c0bbbc9f1
SHA256

ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ec
SHA512

bb74bb5f98dbf0e0e6848b7e4319434507fd5e3475e52df9a4e1cb681951400af651d2d198a9dafe599a678e7c067a41269ea4b3230f75a93e2fa5e1d9eca95f
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIh:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4h

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe

Executes dropped EXE 1 IoCs

pid	Process
2228	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	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.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 4588 wrote to memory of 2228	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	87
PID 4588 wrote to memory of 2228	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	87
PID 4588 wrote to memory of 2228	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	87
PID 4588 wrote to memory of 5012	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	88
PID 4588 wrote to memory of 5012	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	88
PID 4588 wrote to memory of 5012	4588	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	88

C:\Users\Admin\AppData\Local\Temp\ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe
"C:\Users\Admin\AppData\Local\Temp\ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- 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:2228
- 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:5012

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
4904f60bd34376e05e0a5b74edd966fd

SHA1
7c583d06d1e2f6d19ef6ae22e6cdb0c39cdb7ad8

SHA256
dc4d4ac1625e9d21a75b8e69a4829772c30c2d322a1f5361777ef64d5450336b

SHA512
8af2508dc966e27560a82eab9d781f690ea99baad30805f1350413c3289a690c1d0b3c4ae55aa9fca7a31b0dd8a7abf24becaf327ef39f126ffc8cc11a02d936

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
340B

MD5
a6709a98d02bca4a7a28acd34b19dff7

SHA1
8d3033337da56879feb4a88efe75e8c7a203303e

SHA256
7e10f61899e20ede08faf2500ac46881aaeff68ba3d9e712ebd3c8e277f0eff4

SHA512
9e55cc3ce369cba6bf4f280c431f1c35a4f881de7cd1187b62bd6212a663b5357b61d65aaee0cc1fb8765e5d575584fbd6ff42684aa93ddc19f295b448d50edc

Download Submit
memory/2228-12-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/2228-20-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/2228-21-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/4588-0-0x0000000000700000-0x0000000000727000-memory.dmp

Filesize
156KB

Download
memory/4588-17-0x0000000000700000-0x0000000000727000-memory.dmp

Filesize
156KB

Download