urelas | 1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9

Analysis

max time kernel
95s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2024, 02:01

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General

Target

1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe
Size

60KB
MD5

d7959c544897d75c1204873d31c0d43b
SHA1

53da6b36adc2f998a94af3d6736a8ae95dca548a
SHA256

1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9
SHA512

e7715be8923bc7a3394ab5b73a0901c7de3cdb7924c02ecac2050f8d1c50dd72d471ed43722aa46662a71a6426f5176c604a809a7e13deeceea1cc2e82b66190
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPG:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdrD

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe

Executes dropped EXE 1 IoCs

pid	Process
312	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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 312	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	83
PID 1308 wrote to memory of 312	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	83
PID 1308 wrote to memory of 312	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	83
PID 1308 wrote to memory of 1596	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	84
PID 1308 wrote to memory of 1596	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	84
PID 1308 wrote to memory of 1596	1308	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	84

C:\Users\Admin\AppData\Local\Temp\1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe
"C:\Users\Admin\AppData\Local\Temp\1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- 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:312
- 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:1596

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
60KB

MD5
71de0fea20c9cdea6ba48b27f9566faf

SHA1
bbb952c37bf2c1548e54c0bbced83ae7108a0c17

SHA256
5a9265a043f47d5fb14e6a7f8196d5fea5d5da582c855c7b3c523f880eaceda4

SHA512
25f7269d6a6d9a886216ffc4bd9ef19d644a48e5d0c5fd448d1d663753512e693c4f889d0f4c24953219f7ce5848303db35e810fa7cfb35070cf1d1a2669ccf1

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
81d9d1a77acae16e3a1bcfe0b7fc3647

SHA1
5ec7d3a9bd34ebc8d96b985467d0b1b02c86a29f

SHA256
7ba1f60eb04eecfcdca1286c0eafb4e98c9add91afa36808e6538d78a36ed339

SHA512
d8112db8271fbf76fd51d55a63b517de768e106c2b92428af037eadf40f80d8b5deb8a33f257a35be302325fe6267407ddb85b5db1c7af608f1ef7d5d8a1eb70

Download Submit
memory/312-9-0x00000000004F0000-0x0000000000525000-memory.dmp

Filesize
212KB

Download
memory/312-18-0x00000000004F0000-0x0000000000525000-memory.dmp

Filesize
212KB

Download
memory/312-20-0x00000000004F0000-0x0000000000525000-memory.dmp

Filesize
212KB

Download
memory/312-27-0x00000000004F0000-0x0000000000525000-memory.dmp

Filesize
212KB

Download
memory/1308-0-0x0000000000CD0000-0x0000000000D05000-memory.dmp

Filesize
212KB

Download
memory/1308-15-0x0000000000CD0000-0x0000000000D05000-memory.dmp

Filesize
212KB

Download