urelas | a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1d

General

Target

a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe
Size

69KB
MD5

caae391ec47a6ae99c4a7fafe6187a70
SHA1

f118986a2b3c37f3c7c9505fd74fdffc1d10e00a
SHA256

a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1d
SHA512

b88d471c241ac2ac0ab97ac1267e87aa1a96501b950b4bdd7429aff70cac808a839c4b4d94b2b6cb403845f3abc28d601c8e86386549cd9ef4a7dd49db1e45a0
SSDEEP

1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPeOti:l//AjMp+u2onejH2Peh

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
2208	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.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	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2300	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	31
PID 2272 wrote to memory of 2300	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	31
PID 2272 wrote to memory of 2300	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	31
PID 2272 wrote to memory of 2300	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	31
PID 2272 wrote to memory of 2208	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	32
PID 2272 wrote to memory of 2208	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	32
PID 2272 wrote to memory of 2208	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	32
PID 2272 wrote to memory of 2208	2272	a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe	32

C:\Users\Admin\AppData\Local\Temp\a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe
"C:\Users\Admin\AppData\Local\Temp\a8e4e0bb97c958113dbd83995125ab7dfb100c515a06ab0350bddbdcea269c1dN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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:2300
- 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:2208

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\golfinfo.ini

Filesize
512B

MD5
a250860c0687ed9dda488805c025a2d2

SHA1
0c181ed3b46463d35631ca169f0928c33a1da389

SHA256
3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37

SHA512
0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a

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

Filesize
340B

MD5
a4a727a6292d04bd7a783fefa46dd97e

SHA1
a025a6ad275272fb25efec4bf3481dd34e2591f8

SHA256
da6d5383b592b05dfd6fdd30b72b0b37aba063eab5305f662377c5f9a5a96220

SHA512
4b3b5cc5940f7d83ce1350be3fc291ee30fcb1b07e0d0242bd41118ed583d069bca86ba3584ff524a3528655345b5e5bef249c44c34f3481dbbdafa6561d61a0

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

Filesize
69KB

MD5
67a469f023b068ad28d0b3072ef63a6a

SHA1
4a7e7dc34ccc1b5ae678da6d6a6ca8a6932191e1

SHA256
cf8f1e6bff6752b5e64e605155bdea18449f4185d953be117fe17b9ca55a1685

SHA512
7d08c8a7c1d43e83cbefd83bce070e837d4e3c8e5e26be9b54cd994b21401ce4abe03dcd201e4472e7b154648ef6ab842ec5e8ff4b023ceeb1b118dcab843c56

Download Submit
memory/2272-0-0x0000000001330000-0x0000000001358000-memory.dmp

Filesize
160KB

Download
memory/2272-8-0x0000000000AB0000-0x0000000000AD8000-memory.dmp

Filesize
160KB

Download
memory/2272-19-0x0000000001330000-0x0000000001358000-memory.dmp

Filesize
160KB

Download
memory/2300-16-0x00000000010A0000-0x00000000010C8000-memory.dmp

Filesize
160KB

Download
memory/2300-22-0x00000000010A0000-0x00000000010C8000-memory.dmp

Filesize
160KB

Download
memory/2300-24-0x00000000010A0000-0x00000000010C8000-memory.dmp

Filesize
160KB

Download
memory/2300-30-0x00000000010A0000-0x00000000010C8000-memory.dmp

Filesize
160KB

Download

Analysis

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