urelas | a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e

General

Target

a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe
Size

57KB
MD5

2650580371c8440f32cdc5bdd9c79063
SHA1

ca0db46389229205aa02074d4e2fb891ba985452
SHA256

a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e
SHA512

8939abd188726bfd230b62afa5ac24f7bc8bcabd5c2a97d3234819fae4c66067e8a9fa1fd4e373364d816f46c37305d5ca5f1f899c55878f3351eed4c78cac6a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl12:amZ+luXwy2f9LDhD2

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

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

Processes:

a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid	Process
2868	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

Processes:

a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exebiudfw.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.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

Processes:

a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe

description	pid	Process	procid_target
PID 3564 wrote to memory of 2868	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	89
PID 3564 wrote to memory of 2868	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	89
PID 3564 wrote to memory of 2868	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	89
PID 3564 wrote to memory of 5112	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	91
PID 3564 wrote to memory of 5112	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	91
PID 3564 wrote to memory of 5112	3564	a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe	91

C:\Users\Admin\AppData\Local\Temp\a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe
"C:\Users\Admin\AppData\Local\Temp\a74cf49a83473e2508e72e43e4c125c58fe90e7f97aa2388c8288af387eb892e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564
- 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:2868
- 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:5112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
57KB

MD5
eeae401fa26bf56153f6ec75da98ff34

SHA1
8ee6e12a7579c04cc5dce1aaa4c8aa964292acd1

SHA256
184eeb1a8abde7596c031e927b4fc3fa4eedd6c82f63d844bce28d9d063354a5

SHA512
1c0e379c05ebbec20020fb5cdbb81cadf459a231d351d3c262ceddd963b5ad50b3db917555584f48f3ea57d524d5e9c7c5c517918b5b864dea426e27e318342d

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
338B

MD5
260097e06502f7526597fef80158a352

SHA1
3bafdcacb92d2a54756d4b8f6e85a9396b50a62c

SHA256
ac59e0c76a02f9f578d423f38f453962e3ea0269b97c8e44be96ad15291c5f21

SHA512
15e38e378fd4dc8626611909cceba42971a5730d8adce294e1f8f59823afa6da335f30672bde9d34f5f6fcdaf9c11e6b39e13193e568ebe88f08d6745b9002ef

Download Submit
memory/2868-14-0x0000000000940000-0x0000000000972000-memory.dmp

Filesize
200KB

Download
memory/2868-21-0x0000000000940000-0x0000000000972000-memory.dmp

Filesize
200KB

Download
memory/2868-23-0x0000000000940000-0x0000000000972000-memory.dmp

Filesize
200KB

Download
memory/2868-29-0x0000000000940000-0x0000000000972000-memory.dmp

Filesize
200KB

Download
memory/3564-0-0x00000000006C0000-0x00000000006F2000-memory.dmp

Filesize
200KB

Download
memory/3564-18-0x00000000006C0000-0x00000000006F2000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads