urelas | de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504

General

Target

de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe
Size

62KB
MD5

235624e41182355162b9b273e1205680
SHA1

666dc4c670fe1649455a2fac736e180c4733516b
SHA256

de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504
SHA512

0fa906be6e3c50f3bb7522cd5e7e53090eeede7efc3cf57f75273a018dbdfddce52ac56dbb6b6a5d390a5d97b33e5117bafc887e68e3159c3799f44c37f98df6
SSDEEP

1536:saTkcl2v/z0thjkh6+uYLo31d0JuPrROVd6F:Jo0cAthu6+FQ0JuPkd6F

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
2652	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2724	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	30
PID 2616 wrote to memory of 2724	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	30
PID 2616 wrote to memory of 2724	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	30
PID 2616 wrote to memory of 2724	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	30
PID 2616 wrote to memory of 2652	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	31
PID 2616 wrote to memory of 2652	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	31
PID 2616 wrote to memory of 2652	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	31
PID 2616 wrote to memory of 2652	2616	de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe	31

C:\Users\Admin\AppData\Local\Temp\de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe
"C:\Users\Admin\AppData\Local\Temp\de9aa85cc6db379e1d8ca80a4522611da38f3fba63956a22747a6d360d9ec504N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- 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:2724
- 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:2652

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

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Downloads

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

Filesize
62KB

MD5
bff547b90bb3dd5eb8a273ae561c4b9e

SHA1
f2ae730319dee33f0c6edbafa2fbd9d618f1f12e

SHA256
690e21faff50b18b18569e5f86b52198e430b67136b8dc41409a8c8d4d4c0659

SHA512
f53cae476ea7e9bb23dc1767d66199d5ee036d4c6729bdb3eeeb19b8104eb0cd28e04b4e7c2a85da12694ec734230939264357ca391e3fb2a09e9c787e3da201

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

Filesize
512B

MD5
657ce9e5dd337971e44dfb9cb3fbf7dd

SHA1
026734083afaa4b7d298781b26a72ac9b67ac831

SHA256
3138d6a5526aaa3cb120adb309f2a27d5fec03c8aa088268a1c7f378dd722472

SHA512
79aab9648bb19ebe5946dd9edd7e11a70ea7b340a1c7539ccff3d3d13de2932bf5ea9077c079208e09bf5d632f00541e52d4926c5c80f86741effb8d86acd26d

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

Filesize
340B

MD5
f284731f3e56d0693982d15b9fdbe1dd

SHA1
f75b44ee70c4083c3cb06d10d3d3f13d13720ddc

SHA256
8dd5fbeee3ddcc404bc143d57b50131b4013df4724711a6ccaefdf18205a5ba4

SHA512
bfd2dbf80a00b3be40e486b8a9f4ed9831610ca10bd078b3421b84444b69e0119d3c3559b76d9d49fb646043e2e342999c0d21d761ccfa617c3e11bb79920304

Download Submit
memory/2616-0-0x00000000003E0000-0x0000000000405000-memory.dmp

Filesize
148KB

Download
memory/2616-5-0x0000000000480000-0x00000000004A5000-memory.dmp

Filesize
148KB

Download
memory/2616-19-0x00000000003E0000-0x0000000000405000-memory.dmp

Filesize
148KB

Download
memory/2724-11-0x0000000000C80000-0x0000000000CA5000-memory.dmp

Filesize
148KB

Download
memory/2724-22-0x0000000000C80000-0x0000000000CA5000-memory.dmp

Filesize
148KB

Download
memory/2724-24-0x0000000000C80000-0x0000000000CA5000-memory.dmp

Filesize
148KB

Download
memory/2724-31-0x0000000000C80000-0x0000000000CA5000-memory.dmp

Filesize
148KB

Download

Analysis

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