urelas | 168fb7063c7124b99bc523aa831fc3bccc5f64f3b3699911157b258bc883c834

General

Target

6c444d97906346930901ba6270b704a0N.exe
Size

56KB
MD5

6c444d97906346930901ba6270b704a0
SHA1

c97be1f5bd111a9be5219d844787863d49f13a1b
SHA256

168fb7063c7124b99bc523aa831fc3bccc5f64f3b3699911157b258bc883c834
SHA512

f65c78942416316e04ac42427b458a753a1bb6dc3c2dfc80d7cb99687ceed889c650194a660b2003c097f692b51b69e0a84d02ec4b1c3a68e6c181116521eff4
SSDEEP

1536:vMcQYte55zs091Zw9FAGDdJYipvwGf9ogjrgHDh:vMhAe5Zs091KI+JYixw49Xjr+

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2720 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2804 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

6c444d97906346930901ba6270b704a0N.exe

pid process

588 6c444d97906346930901ba6270b704a0N.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2720	cmd.exe

pid	process
2804	biudfw.exe

pid	process
588	6c444d97906346930901ba6270b704a0N.exe

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:

cmd.exe6c444d97906346930901ba6270b704a0N.exebiudfw.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6c444d97906346930901ba6270b704a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6c444d97906346930901ba6270b704a0N.exe

description	pid	process	target process
PID 588 wrote to memory of 2804	588	6c444d97906346930901ba6270b704a0N.exe	biudfw.exe
PID 588 wrote to memory of 2804	588	6c444d97906346930901ba6270b704a0N.exe	biudfw.exe
PID 588 wrote to memory of 2804	588	6c444d97906346930901ba6270b704a0N.exe	biudfw.exe
PID 588 wrote to memory of 2804	588	6c444d97906346930901ba6270b704a0N.exe	biudfw.exe
PID 588 wrote to memory of 2720	588	6c444d97906346930901ba6270b704a0N.exe	cmd.exe
PID 588 wrote to memory of 2720	588	6c444d97906346930901ba6270b704a0N.exe	cmd.exe
PID 588 wrote to memory of 2720	588	6c444d97906346930901ba6270b704a0N.exe	cmd.exe
PID 588 wrote to memory of 2720	588	6c444d97906346930901ba6270b704a0N.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\6c444d97906346930901ba6270b704a0N.exe
"C:\Users\Admin\AppData\Local\Temp\6c444d97906346930901ba6270b704a0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:588

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:2804

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:2720

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\golfinfo.ini

Filesize
512B

MD5
b4a86880004da8726288d7ec954885a8

SHA1
1bab1cfbdc2c540246210bc7852f8fe7e8357b31

SHA256
c85016a9115aeb492bf116ab05791a9c3e6e30c39274767bd0476bd56a37db46

SHA512
22758f6c6de591c99f8f9857c1b03e55c242f0a4987d376b08c30bc608027d1574a228a8230099ddac2a3214663396b016e85d085204155a5ec26f87a28496b4

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

Filesize
276B

MD5
ac92f394868bdc5b84692156171d2d6e

SHA1
2fb1837134d6faa8ffd63b3ff79725dea187c5a0

SHA256
d572f192902d38f9d318306a2beb77f9fa7c79aef5010dd17152323ce80d8850

SHA512
e85a8ca9dcd8810ce1d99978499a0be7edb10f8ef56b2e33c8c80d733098659ede0f4d912a1843567a8333becdf8cc2d39dc0711c69b4783d0db80e983d9c520

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

Filesize
56KB

MD5
f7af77b1b1f047739ca3322ef8352b5d

SHA1
210956685ef7045c21400c7c938e4911d3ac1f0f

SHA256
56e726e5c77d9a751829b80e1e6673795aba77610f3bc951c83aa4493169902f

SHA512
6d3471221cf7cfd5a8d41b52360cfc96a3a44b123ed5fd40a536f7d873c7e816ca6f68d338a459e0422466bc422bc9d9ee40b864727cc5211c299b23b79b6ab3

Download Submit
memory/588-0-0x00000000009E0000-0x0000000000A06000-memory.dmp

Filesize
152KB

Download
memory/588-9-0x0000000000480000-0x00000000004A6000-memory.dmp

Filesize
152KB

Download
memory/588-18-0x00000000009E0000-0x0000000000A06000-memory.dmp

Filesize
152KB

Download
memory/2804-10-0x0000000001380000-0x00000000013A6000-memory.dmp

Filesize
152KB

Download
memory/2804-21-0x0000000001380000-0x00000000013A6000-memory.dmp

Filesize
152KB

Download
memory/2804-23-0x0000000001380000-0x00000000013A6000-memory.dmp

Filesize
152KB

Download
memory/2804-29-0x0000000001380000-0x00000000013A6000-memory.dmp

Filesize
152KB

Download

Analysis

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