orcus | a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77

General

Target

a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
Size

3.2MB
MD5

ba673cd29119974eba5c7a7173480e89
SHA1

12c7db1b85f2e422faa28dd802a42470ce33bb8d
SHA256

a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77
SHA512

e2d2ae4db1ed50a0aa8f8183454fede7a915b8d0c6f19fbc51e851c53fbd850880d7a350915825c29f5a619da4d8bfd2b9b8eef47ef14e3306097a101e475d47
SSDEEP

49152:EoWN8QFUwqYZeM9/ZzzBjMkPUayX82+YXAypQxb9ndo9JnCmGWncFf0I74gu3vMv:Ep0wGGzBjryX82uypSb9ndo9JCmc

Score

10^/10

orcus persistence rat spyware stealer

Malware Config

Extracted

Family

orcus

C2

192.168.56.1:10134

Mutex

cf2702edb1ff4197a537ecb675c687d0

Attributes

autostart_method
Registry
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus

Orcurs Rat Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2168-1-0x0000000000940000-0x0000000000C7C000-memory.dmp	orcus
behavioral1/files/0x0007000000014b27-30.dat	orcus
behavioral1/memory/2424-31-0x0000000001310000-0x000000000164C000-memory.dmp	orcus

Executes dropped EXE 3 IoCs

pid	Process
2608	WindowsInput.exe
2432	WindowsInput.exe
2424	Orcus.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files\\Orcus\\Orcus.exe\""	Orcus.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WindowsInput.exe	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
File created	C:\Windows\SysWOW64\WindowsInput.exe.config	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
File created	C:\Windows\SysWOW64\WindowsInput.InstallState	WindowsInput.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Orcus\Orcus.exe.config	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
File created	C:\Program Files\Orcus\Orcus.exe	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
File opened for modification	C:\Program Files\Orcus\Orcus.exe	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2608	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	28
PID 2168 wrote to memory of 2608	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	28
PID 2168 wrote to memory of 2608	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	28
PID 2168 wrote to memory of 2424	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	30
PID 2168 wrote to memory of 2424	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	30
PID 2168 wrote to memory of 2424	2168	a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe	30

C:\Users\Admin\AppData\Local\Temp\a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe
"C:\Users\Admin\AppData\Local\Temp\a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\WindowsInput.exe
  "C:\Windows\SysWOW64\WindowsInput.exe" --install
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2608
- C:\Program Files\Orcus\Orcus.exe
  "C:\Program Files\Orcus\Orcus.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2424

C:\Windows\SysWOW64\WindowsInput.exe
"C:\Windows\SysWOW64\WindowsInput.exe"
1⤵
- Executes dropped EXE
PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files\Orcus\Orcus.exe

Filesize
3.2MB

MD5
ba673cd29119974eba5c7a7173480e89

SHA1
12c7db1b85f2e422faa28dd802a42470ce33bb8d

SHA256
a863bd17dfbc29c69ff0246665604bd99811b63cd2fd22bfd97c2c7715218e77

SHA512
e2d2ae4db1ed50a0aa8f8183454fede7a915b8d0c6f19fbc51e851c53fbd850880d7a350915825c29f5a619da4d8bfd2b9b8eef47ef14e3306097a101e475d47

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe

Filesize
21KB

MD5
a80be96476032d2eaa901d180fe9fb73

SHA1
f378d0bc5fefb9ea0b5006f020091ffcbcd7acec

SHA256
d6075c1ed6f285f5de01ce0cc6a817b59054da8b19f20bc7081cfe7fb2b1af42

SHA512
210c0c4c845b416a601015fba5ccd2a3e8a4b81d3b4c5e0491b07bd0dcad938d9b118728bb1abc21eb73c5f9263a3c08e1822ece91002a2d1f0983857f0192ea

Download Submit
C:\Windows\SysWOW64\WindowsInput.exe.config

Filesize
357B

MD5
a2b76cea3a59fa9af5ea21ff68139c98

SHA1
35d76475e6a54c168f536e30206578babff58274

SHA256
f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

SHA512
b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

Download Submit
memory/2168-1-0x0000000000940000-0x0000000000C7C000-memory.dmp

Filesize
3.2MB

Download
memory/2168-2-0x0000000000590000-0x00000000005EC000-memory.dmp

Filesize
368KB

Download
memory/2168-4-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2168-3-0x00000000002B0000-0x00000000002BE000-memory.dmp

Filesize
56KB

Download
memory/2168-5-0x0000000000470000-0x0000000000482000-memory.dmp

Filesize
72KB

Download
memory/2168-0-0x000007FEF5C53000-0x000007FEF5C54000-memory.dmp

Filesize
4KB

Download
memory/2168-32-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2424-31-0x0000000001310000-0x000000000164C000-memory.dmp

Filesize
3.2MB

Download
memory/2424-33-0x00000000007F0000-0x0000000000802000-memory.dmp

Filesize
72KB

Download
memory/2424-35-0x0000000000800000-0x0000000000818000-memory.dmp

Filesize
96KB

Download
memory/2424-34-0x0000000001290000-0x00000000012E8000-memory.dmp

Filesize
352KB

Download
memory/2424-36-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

Filesize
64KB

Download
memory/2432-22-0x0000000000210000-0x000000000021C000-memory.dmp

Filesize
48KB

Download
memory/2608-20-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2608-17-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2608-16-0x000007FEF5C50000-0x000007FEF663C000-memory.dmp

Filesize
9.9MB

Download
memory/2608-15-0x00000000009C0000-0x00000000009CC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads