urelas | 83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1

General

Target

83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe
Size

57KB
MD5

74dd0f7a98e3ac1f239ae7c82dd2aac9
SHA1

88ee9b07cb0583936b2df3ad43e4f2f1fdc5948c
SHA256

83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1
SHA512

637b828a9715b9bf4fc1c2b49e24732019e322814449ce617bba077ae41f08909f1156a97153168304248af55a0c79dd1abc06a24093cd528628edafbf0c7c06
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1K:amZ+luXwy2f9LDhDK

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
2920	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1776	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.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	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.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 2420 wrote to memory of 1776	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	30
PID 2420 wrote to memory of 1776	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	30
PID 2420 wrote to memory of 1776	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	30
PID 2420 wrote to memory of 1776	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	30
PID 2420 wrote to memory of 2920	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	31
PID 2420 wrote to memory of 2920	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	31
PID 2420 wrote to memory of 2920	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	31
PID 2420 wrote to memory of 2920	2420	83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe	31

C:\Users\Admin\AppData\Local\Temp\83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe
"C:\Users\Admin\AppData\Local\Temp\83be74a8e87d218df966ff6c18e5eff67f15f96121500df3d7c13d5fdb9575a1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- 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:1776
- 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:2920

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

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Downloads

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

Filesize
57KB

MD5
ba2f5ef2f14e01a49fadcbe6747a5675

SHA1
f22ad97ad91375132a054cdcc760b613fc4a9ebc

SHA256
1d26251fddd726cf7d3fdbb5ddd49e1e728bfd0bd928f4de5213ada3ab75a414

SHA512
59758f3e31315826843c48184ea419c5757c2acc1cdfd907a73ab0e75c1efa63f780d26cd77fe8f2959b26afde2dcd260ee57ce7cde7d538dfbb369db564e259

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
41202c61b94cb9f4746d3054ea4567d8

SHA1
5b9447505421cc781e66d7b722a3c4bb289767c1

SHA256
d3f41211e9bdcdf89ea30125217d5aea3cd81faef73b429632c67d46a9d7bfd1

SHA512
0a50994af63bd88609689823746fca6151d342edf0163bc42c7d8003f526037a25a95f227a5b353f237b288b4b7ffb0a83e1112fa1fd833f5cd29978de41cfc3

Download Submit
memory/1776-20-0x0000000000160000-0x0000000000192000-memory.dmp

Filesize
200KB

Download
memory/1776-22-0x0000000000160000-0x0000000000192000-memory.dmp

Filesize
200KB

Download
memory/1776-29-0x0000000000160000-0x0000000000192000-memory.dmp

Filesize
200KB

Download
memory/2420-17-0x0000000000820000-0x0000000000852000-memory.dmp

Filesize
200KB

Download
memory/2420-6-0x0000000001DF0000-0x0000000001E22000-memory.dmp

Filesize
200KB

Download
memory/2420-0-0x0000000000820000-0x0000000000852000-memory.dmp

Filesize
200KB

Download

Analysis

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