urelas | fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7

General

Target

fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe
Size

67KB
MD5

d041974c3973787c79ec7e9a6c67b940
SHA1

c8dcf898afb69ad73bdf1592daa5baadf5d20029
SHA256

fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7
SHA512

ec03d7639fb34dc52ff60e02d8a4324528290888732225d0214e7525bdd71b0d17ac61295401e108846796fc500aa52cda5c1e642d0f3b52bdbda346751252bb
SSDEEP

1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0ja:6bQRSHpAvzyf7MzeThD0ja

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

Deletes itself 1 IoCs

pid	Process
2216	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
836	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.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	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.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 8 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 836	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	31
PID 2028 wrote to memory of 836	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	31
PID 2028 wrote to memory of 836	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	31
PID 2028 wrote to memory of 836	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	31
PID 2028 wrote to memory of 2216	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	32
PID 2028 wrote to memory of 2216	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	32
PID 2028 wrote to memory of 2216	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	32
PID 2028 wrote to memory of 2216	2028	fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe	32

C:\Users\Admin\AppData\Local\Temp\fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe
"C:\Users\Admin\AppData\Local\Temp\fb9799b16563f0a0e1617e588f83e7fc9a08f77497803a4f767a799cbc4452c7N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- 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:836
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
512B

MD5
efd90b3ac908d5482af367de3a82184a

SHA1
de9f01d2ed0247b7b347e55c5a09721a60147fb9

SHA256
44f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d

SHA512
6e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02

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

Filesize
340B

MD5
6e8ddad5010e6a3ca63397cac45b734d

SHA1
83ede3289188cca86deda6d51428e7ef8e56b6b2

SHA256
6ebcdfe2f762b2768fb3ff8a9f45d21029900ced81facd6d75ce8c4a1a9c03da

SHA512
f24724ab609dba8d0c39c861a365a38c3a2c48e67e5ae01e2164530a5e2fd1a8bb87f455afd93d3799519e19cd204ec65958d407d35f553c3af3a5a056a70814

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
67KB

MD5
4851654f684886f19eb44ba9930a882a

SHA1
1264559470a95c5580f82821204215d8a1fc9699

SHA256
d7537c5ef63c9a6f7d690238be5e44e78bc008177de7f94a0eaefe210aef2c0f

SHA512
b8ed8d22d5559d7719f189b6a1bae270d1435741002efd464bffb5e44254bec6dab025374a4fbdb8b1f8e3d725296b78e32d10168712de94a250acca3b324b05

Download Submit
memory/836-10-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/836-22-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/836-24-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/836-31-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/2028-0-0x0000000000EF0000-0x0000000000F15000-memory.dmp

Filesize
148KB

Download
memory/2028-6-0x0000000000EA0000-0x0000000000EC5000-memory.dmp

Filesize
148KB

Download
memory/2028-19-0x0000000000EF0000-0x0000000000F15000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing